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Choong EKM, Shu X, Leung KCM, Lo ECM. Oral health-related quality of life (OHRQoL) after rehabilitation with removable partial dentures (RPDs): A systematic review and meta-analysis. J Dent 2022; 127:104351. [PMID: 36280004 DOI: 10.1016/j.jdent.2022.104351] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2022] [Revised: 10/09/2022] [Accepted: 10/20/2022] [Indexed: 11/21/2022] Open
Abstract
OBJECTIVES To summarise evidence on the change in oral health-related quality of life (OHRQoL) before and after rehabilitation with removable partial dentures (RPDs) amongst partially edentulous adults. DATA Studies assessing OHRQoL amongst patients aged ≥18 years, before and after rehabilitation with RPDs of any type and design, were included. The quality of included studies was evaluated using the Cochrane risk of bias tools. Meta-analysis was conducted using a random-effect model. SOURCES MEDLINE, EMBASE and CENTRAL, up to March 29, 2022. STUDY SELECTION AND RESULTS Thirteen studies were eligible and eight were included in the meta-analysis. The studies had moderate to serious risk of bias. There was a very low level of certainty that OHRQoL, as measured using OHIP-14, improved 3 months after RPDs were fitted (222 participants, MD: -12.0, 95% CI: -16.1, -7.9, p<0.001) and after 6 months (101 participants, MD: -10.5, 95% CI: -16.4, -4.6, p<0.001). At 12 months post-treatment, RPD rehabilitation did not result in statistically significant improvement in OHIP-14 scores (62 participants, MD: -12.7, 95% CI: -26.1, 0.6, p = 0.06). However, the assessment using OHIP-49 at 12 months showed significant improvement (87 participants, MD: -34.8, 95% CI: -41.9, -27.7, p<0.001), with low certainty of evidence. CONCLUSIONS Based on the limited evidence available, this review found that RPD rehabilitation appear to improve OHRQoL in the short term up to 6 months, with a very low level of certainty. The long-term effect of RPD treatment on OHRQoL after 12 months is inconclusive. There is currently insufficient evidence on the effect of RPD treatment on OHRQoL. This review highlights the need for more and better quality studies. CLINICAL SIGNIFICANCE Data on RPD outcomes are summarised, aiding clinicians in providing evidence-based patient-centred care that matches patients' needs and expectations. Recommendations for future research were also highlighted. REGISTRATION PROSPERO CRD42022328606.
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Affiliation(s)
- Elaine Kar Man Choong
- Faculty of Dentistry, The University of Hong Kong, 34 Hospital Road, Sai Ying Pun, Hong Kong SAR; Department of Community Oral Health & Clinical Prevention, Faculty of Dentistry, Universiti Malaya, 50603 Kuala Lumpur, Malaysia
| | - Xin Shu
- Faculty of Dentistry, The University of Hong Kong, 34 Hospital Road, Sai Ying Pun, Hong Kong SAR
| | - Katherine Chiu Man Leung
- Faculty of Dentistry, The University of Hong Kong, 34 Hospital Road, Sai Ying Pun, Hong Kong SAR
| | - Edward Chin Man Lo
- Faculty of Dentistry, The University of Hong Kong, 34 Hospital Road, Sai Ying Pun, Hong Kong SAR.
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Rutkowski JL. Survival Rates of Dental Implants Versus Teeth. J ORAL IMPLANTOL 2022; 48:261-262. [PMID: 36054134 DOI: 10.1563/aaid-joi-d-22-editorial.4804] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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Gotfredsen K, Rimborg S, Stavropoulos A. Efficacy and risks of removable partial prosthesis in periodontitis patients: A systematic review. J Clin Periodontol 2021; 49 Suppl 24:167-181. [PMID: 34761421 DOI: 10.1111/jcpe.13519] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2020] [Revised: 04/27/2021] [Accepted: 06/08/2021] [Indexed: 01/24/2023]
Abstract
AIM The aim of this systematic review was to answer the following focused question: "In partially edentulous patients with periodontitis, are removable dental prostheses (RDPs) more efficacious than no prosthetic treatment, treatment to a shortened dental arch (SDA), or tooth-supported fixed dental prostheses (FDPs)?" MATERIALS AND METHODS A systematic literature search was performed electronically for the period 1966-2020. Two authors independently assessed the studies for eligibility according to the PRISMA guidelines. Risk assessment was performed using RoB 2.0 and the Newcastle-Ottawa Scale. RESULTS Two retrospective studies indicated that RDPs increased the risk of tooth loss compared to FDPs in patients with a history of periodontitis. Prospective studies found that RDPs could be maintained without any significant periodontal destruction on a long-term basis. Owing to the heterogeneity of the data, no meta-analysis could be performed. Several studies indicated that RDP increased plaque accumulation. RDPs had only a limited effect on masticatory efficiency and nutritional status. RDPs may improve oral-health-related quality of life (OHRQoL), but to a lesser extent compared with that of patients treated to an SDA. CONCLUSIONS There is no strong evidence that RDPs per se will cause periodontal destruction including tooth loss. RDPs do not inevitably improve masticatory efficiency but improve OHRQoL, although less than for patients treated with FDPs including resin-bonded FDPs.
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Affiliation(s)
- Klaus Gotfredsen
- Section of Oral Rehabilitation, Department of Odontology, Faculty of Health Sciences, University of Copenhagen, Copenhagen, Denmark
| | - Susie Rimborg
- Copenhagen University Library, Faculty Library of Natural and Health Sciences, Copenhagen University, Copenhagen, Denmark
| | - Andreas Stavropoulos
- Division of Regenerative Dental Medicine and Periodontology, University Clinics of Dental Medicine (CUMD), University of Geneva, Geneva, Switzerland.,Department of Periodontology, Faculty of Odontology, University of Malmö, Malmö, Sweden
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Piemjai M, Adunphichet N. Impact of hybrid layer formation on the 15-year survival, complications and failures of full-coverage retainers. J Prosthodont Res 2021; 66:131-140. [PMID: 34321373 DOI: 10.2186/jpr.jpr_d_20_00249] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Abstract
PURPOSE To compare the effect of 4-META/MMA-TBB resin, which can provide hybrid layer formation, and acid-base cements on survival, complications, and failure risks of full-coverage retainers evaluated for 15 years. METHODS A total of 1,161 abutment teeth in 260 patients treated with at least one single crown or fixed partial denture were recalled for clinical examination. Survival was defined as not having undergone extraction of abutments or renewal of prostheses. Secondary caries, pulp necrosis, or prosthesis detachment were recorded as complications. Survival and complications rates were analyzed using the Kaplan-Meier method and log-rank test. Multivariable analysis of factors associated with failure or complications using Cox's proportional hazard regression model was performed (α = 0.05). RESULTS Significant differences were observed in survival ( p = 0.007), secondary caries (p = 0.000), and prosthesis detachment (p = 0.025) complications between luting agents. The 5-, 10-, and 15-year survival rates for 4-META/MMA-TBB resin were 95.2%, 90.5%, and 90.5%, while those of acid-base cements were 93.2%, 80.6, and 67.4%, respectively. Secondary caries and prosthesis detachment complications for 4-META/MMA-TBB resin were 1.9% and 0.5%, whereas those for acid-base cements were 15.2% and 4.3% respectively. Acid-base cements were associated with a 1.664-, 2.950-, 3.333-, and 4.444-times greater risk of failure, prosthesis renewal, secondary caries and prosthesis detachment, respectively. CONCLUSIONS 4-META/MMA-TBB resin has higher long-term survival rate with lesser caries and prosthesis detachment than acid-base cements. The ability of this resin to create an acid-base resistant hybrid layer may contribute to a life-long function of tooth abutment.
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Affiliation(s)
- Morakot Piemjai
- Department of Prosthodontics, Faculty of Dentistry, Chulalongkorn University, Bangkok
| | - Noppawan Adunphichet
- Department of Prosthodontics, Faculty of Dentistry, Chulalongkorn University, Bangkok
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Walter MH, Dreyhaupt J, Mundt T, Kohal R, Kern M, Rauch A, Nothdurft F, Hartmann S, Böning K, Boldt J, Stark H, Edelhoff D, Wöstmann B, Luthardt RG, Hannak W, Wolfart S, Heydecke G, Jahn F, Pospiech P, Marré B. Periodontal health in shortened dental arches: A 10-year RCT. J Prosthodont Res 2020; 64:498-505. [PMID: 32063531 DOI: 10.1016/j.jpor.2020.01.005] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2019] [Revised: 12/18/2019] [Accepted: 01/21/2020] [Indexed: 10/25/2022]
Abstract
PURPOSE This analysis focused on periodontal health in shortened dental arches (SDAs). METHODS In a randomized controlled clinical trial, patients with missing molars in one jaw and at least one premolar and canine on both sides were eligible for participation. In the partial removable dental prosthesis (PRDP) group (n = 79), molars were replaced with a precision attachment retained PRDP. In the SDA group (n == 71), the SDA up to the second premolars was either left as is or restored with fixed dental prostheses. Outcome variables were vertical clinical attachment loss (CAL-V), pocket probing depth (PPD), bleeding on probing (BOP) and plaque index (PLI). For CAL-V and PPD, the changes at six measuring points per tooth were analyzed. For BOP and PLI, patient related rates were calculated for each point in time. Statistical methods included linear regression analyses. RESULTS In the intention-to-treat (ITT) analysis for CAL-V in the study jaw, the 10 year patient related mean changes were 0.66 mm in the PRDP group and -0.13 mm in the SDA group. The resulting mean patient related group difference of 0.79 mm (95% CI: 0.20 mm-1.38 mm) was significant (p = 0.01). There were no significant differences in the ITT analyses for PPD. For BOP and PLI, significant group differences with more favorable results for the SDA group were found. CONCLUSIONS In view of lacking substantial differences for CAL-V and PPD, the overall differences were considered of minor clinical relevance. The results add confirmatory evidence to the shortened dental arch concept and its clinical viability (controlled-trials.com ISRCTN97265367).
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Affiliation(s)
- Michael H Walter
- Department of Prosthetic Dentistry, Faculty of Medicine Carl Gustav Carus, Technische Universität Dresden, Fetscherstraße 74, Dresden 01307, Germany.
| | - Jens Dreyhaupt
- Institute of Epidemiology and Medical Biometry, Ulm University, Schwabstraße 13, Ulm 89075, Germany
| | - Torsten Mundt
- Department of Prosthodontics, Gerodontology and Biomaterials, Dental School, University of Greifswald, Rotgerberstr. 8, Greifswald 17487, Germany
| | - Ralf Kohal
- Department of Prosthetic Dentistry, Medical Center - University of Freiburg, Faculty of Medicine, University of Freiburg, Hugstetter Str. 55, Freiburg im Breisgau 79106, Germany
| | - Matthias Kern
- Department of Prosthodontics, Propaedeutics and Dental Materials, School of Dentistry, Christian-Albrechts University, Christian-Albrechts-Platz 4, Kiel 24118, Germany
| | - Angelika Rauch
- Department of Prosthodontics and Materials Science, University of Leipzig, Liebigstr. 18, Leipzig 04103, Germany
| | - Frank Nothdurft
- Department of Prosthetic Dentistry and Dental Materials Science, Medical Center, Dental School and Clinics, Saarland University, Campus Homburg, Kirrberger Str. 100, Homburg/Saar 66421, Germany
| | - Sinsa Hartmann
- Department of Prosthetic Dentistry, Johannes-Gutenberg University of Mainz, Langenbeckstr. 1, Mainz 55131, Germany
| | - Klaus Böning
- Department of Prosthetic Dentistry, Faculty of Medicine Carl Gustav Carus, Technische Universität Dresden, Fetscherstraße 74, Dresden 01307, Germany
| | - Julian Boldt
- Department of Prosthetic Dentistry, Julius-Maximilians University of Würzburg, Pleicherwall 2, Würzburg 97070, Germany
| | - Helmut Stark
- Department of Prosthodontics, Preclinical Education and dental Materials Science, University of Bonn, Welschnonnenstr.17, Bonn 53111, Germany
| | - Daniel Edelhoff
- Department of Prosthetic Dentistry, University Hospital, LMU Ludwig-Maximilians-University, Goethestraße 70, Munich 80336, Germany
| | - Bernd Wöstmann
- Department of Prosthetic Dentistry, Justus-Liebig University of Gießen, Rudolf-Buchheim-Str. 8, Gießen 35392, Germany
| | - Ralph Gunnar Luthardt
- Department of Prosthetic Dentistry, Center of Dentistry, Universitätsklinikum Ulm, Albert-Einstein-Allee 11, Ulm 89081, Germany
| | - Wolfgang Hannak
- Charité - Universitätsmedizin Berlin, CC3 - Charité, Center for Dental and Craniofacial Sciences, Department of Prosthodontics, Geriatic Dentistry and Craniomandibular Disorders, Campus Benjamin Franklin, Aßmannshauser Straße 4-6, Berlin 14197, Germany
| | - Stefan Wolfart
- Department of Prosthodontics and Biomaterials, Medical Faculty, RWTH Aachen University, Pauwelsstr. 30, Aachen 52074, Germany
| | - Guido Heydecke
- Department of Prosthodontics, University Medical Center Eppendorf, Zahnärztliche Prothetik, Martinistr. 52, Hamburg 20246, Germany
| | - Florentine Jahn
- Department of Prosthetic Dentistry and Dental Material Science, Friedrich-Schiller University of Jena, Poliklinik für Zahnärztliche Prothetik und Werkstoffkunde, An der Alten Post 4, Jena 07743, Germany
| | | | - Birgit Marré
- Department of Prosthetic Dentistry, Faculty of Medicine Carl Gustav Carus, Technische Universität Dresden, Fetscherstraße 74, Dresden 01307, Germany
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Sigal AV, Sigal MJ, Titley KC, Andrews PB. Stainless steel crowns as a restoration for permanent posterior teeth in people with special needs: A retrospective study. J Am Dent Assoc 2019; 151:136-144. [PMID: 31889511 DOI: 10.1016/j.adaj.2019.10.002] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/10/2019] [Revised: 10/01/2019] [Accepted: 10/04/2019] [Indexed: 11/15/2022]
Abstract
BACKGROUND Limited information exists regarding the use of stainless steel crowns (SSCs) in permanent teeth. The objective of this retrospective cohort study was to present the long-term clinical outcomes of the SSC compared with those of amalgam and composite resin restorations and the SSC radiographic outcomes in a special-needs population. METHODS This study included 271 patients with at least 1 SSC restoration from the Mount Sinai Hospital Dentistry Clinic for Persons with Special Needs in Toronto, Ontario, Canada. A total of 2,621 posterior permanent tooth restorations were documented: 766 SSCs, 1,651 amalgam restorations, and 204 composite resin restorations. Clinical analysis included patient demographics, treatment parameters, and outcome assessments for each restoration recorded. Radiographic analysis of SSC restorations included 127 bite-wing radiographs and 118 periapical radiographs, measurement of interproximal bone loss, and assessment of periapical status using the Periapical Index Scale. RESULTS The 10-year survival rates for new SSC and amalgam restorations were 79.2% and 63.5%, respectively. The 91 SSC failures included 2 recementations, 33 replacements, and 56 extractions. Primary diagnoses at the time of failure included chronic periodontal disease (25) and loose or lost SSCs (24). Of the 528 failed conventional restorations that were replaced, 60% were replaced with SSCs. The mean alveolar bone loss from mesial and distal sites was 1.36 millimeters and 1.40 mm, respectively. Therefore, 93% of the sites recorded were less than 2 mm and classified as healthy. All pre-SCC and post-SSC periapical radiographs had healthy Periapical Index Scale scores (1 or 2) recorded over an average duration of 8.4 years (1-29.1 years). CONCLUSIONS SSCs are a durable treatment option for the restoration of the posterior permanent dentition. PRACTICAL IMPLICATIONS Posterior permanent teeth restored with stainless steel crowns can be expected to last for 10 years and represent a viable treatment choice for severely carious or fractured posterior permanent teeth.
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Sadek SA, Elawady D. Impact of Removable Partial Denture Type on Patient Satisfaction and Abutment Survival Rate-RCT. Open Access Maced J Med Sci 2019; 7:2513-2519. [PMID: 31666857 PMCID: PMC6814483 DOI: 10.3889/oamjms.2019.668] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2019] [Revised: 07/31/2019] [Accepted: 08/04/2019] [Indexed: 11/25/2022] Open
Abstract
BACKGROUND: Patient’s satisfaction and the preservation of abutments is the most important outcomes that the clinician seeks during fabrication of any dental treatment, especially when it is concerned with removable prosthodontic rehabilitation. AIM: The present study evaluates three different Removable Partial Denture (RPD) types restoring mandibular class II modification I edentulous cases with regards to patient’s satisfaction and abutments survival. METHODS: Forty-two partially edentulous patients were divided into three groups (Group I rehabilitated with Vitallium RPD, Group II rehabilitated with Vitallium RPD where the modification area restored with the surveyed bridge, Group III rehabilitated with Thermopress RPD). The patients were followed up for twenty-four months. Using a questionnaire, prosthodontic maintenance required was documented at the delivery and after 3 months. RESULTS: There was a significant difference regarding patient satisfaction for group III (P-value <0.05) while for groups I and II there was a non-significant difference (P-value >0.05). Regarding the survival rate, there was a non-significant difference between the three groups (P-value >0.05) at the end of twenty-four months of follow up. CONCLUSION: Patient satisfaction and abutment survival were better with Thermopress RPD than conventional Vitallium RPD or Vitallium RPD with a surveyed bridge restoring the modification area. Although a non-statistically significant difference was found in the survival rate of abutments between groups, a clinically important result was revealed as no abutments failures were reported in the Thermopress group.
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Affiliation(s)
- Sherif A Sadek
- Department of Prosthodontics, Faculty of Oral and Dental Medicine, Cairo University, Cairo, Egypt.,Department of Prosthodontics, Alfarabi Private College for Dentistry and Nursing, Jeddah, Kingdom of Saudi Arabia
| | - Dina Elawady
- Department of Prosthodontics, Faculty of Dentistry, Modern Science and Arts University (MSA), Cairo, Egypt
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Saito M, Shimazaki Y, Fukai K, Furuta M, Aida J, Ando Y, Miyazaki H, Kambara M. Risk factors for tooth loss in adult Japanese dental patients: 8020 Promotion Foundation Study. ACTA ACUST UNITED AC 2019; 10:e12392. [PMID: 30680956 DOI: 10.1111/jicd.12392] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2018] [Accepted: 11/12/2018] [Indexed: 11/26/2022]
Abstract
AIM The assessment of the risk of tooth loss in patients visiting a dental clinic is important for managing their oral health. In the present study, we examined the risk factors for tooth loss among dental patients. METHODS Data from the 8020 Promotion Foundation Study on the Health Promotion Effects of Dental Care were used in the present study. The study involved 2743 patients who visited a dental clinic in Japan and completed a questionnaire and oral health examination at baseline and at the 2-year follow up. Tooth- and person-level risk factors for tooth loss during 2 years were subjected to a multilevel multivariate logistic regression analysis. RESULTS In both the person- and tooth-level analyses, age, smoking habit, reason for dental visit, economic status, number of remaining teeth, and periodontal status were significantly associated with tooth loss. In the tooth-level analysis, tooth type, tooth status, and periodontal status were significantly related to tooth loss. Persons who visited a dental clinic for periodic maintenance had a significantly lower risk of tooth loss than those who visited only to receive dental treatment. CONCLUSIONS Various tooth-level factors and modifiable factors, such as smoking cessation and periodic maintenance, are important for the suppression of tooth loss in dental patients.
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Affiliation(s)
- Mizuki Saito
- Department of Preventive Dentistry and Dental Public Health, Aichi Gakuin University, Nagoya, Japan
| | - Yoshihiro Shimazaki
- Department of Preventive Dentistry and Dental Public Health, Aichi Gakuin University, Nagoya, Japan.,8020 Promotion Foundation, Tokyo, Japan
| | | | - Michiko Furuta
- 8020 Promotion Foundation, Tokyo, Japan.,Section of Preventive and Public Health Dentistry, Kyushu University Faculty of Dental Science, Fukuoka, Japan
| | - Jun Aida
- 8020 Promotion Foundation, Tokyo, Japan.,Department of International and Community Oral Health, Tohoku University Graduate School of Dentistry, Sendai, Japan
| | - Yuichi Ando
- 8020 Promotion Foundation, Tokyo, Japan.,National Institute of Public Health, Wako, Japan
| | - Hideo Miyazaki
- 8020 Promotion Foundation, Tokyo, Japan.,Department of Oral Health Science, Niigata University Graduate School of Medical and Dental Sciences, Niigata, Japan
| | - Masaki Kambara
- 8020 Promotion Foundation, Tokyo, Japan.,Osaka Dental University, Hirakata, Japan
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Use of silver diamine fluoride for the maintenance of dental prostheses in a high caries-risk patient: A medical management approach. J Prosthet Dent 2018; 119:713-716. [DOI: 10.1016/j.prosdent.2017.06.007] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2017] [Revised: 06/08/2017] [Accepted: 06/08/2017] [Indexed: 11/21/2022]
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10
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Mulic A, Svendsen G, Kopperud S. A retrospective clinical study on the longevity of posterior Class II cast gold inlays/onlays. J Dent 2018; 70:46-50. [DOI: 10.1016/j.jdent.2017.12.010] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2017] [Revised: 12/08/2017] [Accepted: 12/16/2017] [Indexed: 10/18/2022] Open
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Afrashtehfar KI, Emami E, Ahmadi M, Eilayyan O, Abi-Nader S, Tamimi F. Failure rate of single-unit restorations on posterior vital teeth: A systematic review. J Prosthet Dent 2016; 117:345-353.e8. [PMID: 27765400 DOI: 10.1016/j.prosdent.2016.08.003] [Citation(s) in RCA: 29] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/12/2016] [Revised: 08/03/2016] [Accepted: 08/04/2016] [Indexed: 11/26/2022]
Abstract
STATEMENT OF PROBLEM No knowledge synthesis exists concerning when to use a direct restoration versus a complete-coverage indirect restoration in posterior vital teeth. PURPOSE The purpose of this systematic review was to identify the failure rate of conventional single-unit tooth-supported restorations in posterior permanent vital teeth as a function of remaining tooth structure. MATERIAL AND METHODS Four databases were searched electronically, and 8 selected journals were searched manually up to February 2015. Clinical studies of tooth-supported single-unit restorative treatments with a mean follow-up period of at least 3 years were selected. The outcome measured was the restorations' clinical or radiological failure. Following the Preferred Reporting Items for Systematic reviews and Meta-Analyses guidelines, the Cochrane Collaboration procedures for randomized control trials, the Strengthening the Reporting of Observational Studies in Epidemiology criteria for observational studies, 2 reviewers independently applied eligibility criteria, extracted data, and assessed the quality of the evidence of the included studies using the American Association of Critical Care Nurses' system. The weighted-mean group 5-year failure rates of the restorations were reported according to the type of treatment and remaining tooth structure. A metaregression model was used to assess the correlation between the number of remaining tooth walls and the weighted-mean 5-year failure rates. RESULTS Five randomized controlled trials and 9 observational studies were included and their quality ranged from low to moderate. These studies included a total of 358 crowns, 4804 composite resins, and 303582 amalgams. Data obtained from the randomized controlled trials showed that, regardless of the amount of remaining tooth structure, amalgams presented better outcomes than composite resins. Furthermore, in teeth with fewer than 2 remaining walls, high-quality observational studies demonstrated that crowns were better than amalgams. A clear inverse correlation was found between the amount of remaining tooth structure and restoration failure. CONCLUSIONS Insufficient high-quality data are available to support one restorative treatment or material over another for the restoration of vital posterior teeth. However, the current evidence suggests that the failure rates of treatments may depend on the amount of remaining tooth structure and types of treatment.
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Affiliation(s)
- Kelvin I Afrashtehfar
- Teaching and Research Assistant, Division of Prosthodontics and Restorative Dentistry, Faculty of Dentistry, McGill University, Montreal, Quebec, Canada; Research Associate, Division of Oral Health and Society, McGill University, Montreal, Quebec, Canada; and Visiting Scholar, Department of Reconstructive Dentistry, School of Dental Medicine, University of Bern, Berne, Switzerland
| | - Elham Emami
- Associate Professor, Department of Restorative Dentistry, Faculty of Dentistry, University of Montreal, Montreal, Quebec, Canada
| | - Motahareh Ahmadi
- Research Assistant, Oral Health and Rehabilitation Research Unit, Faculty of Dentistry, University of Montreal, Montreal, Quebec, Canada
| | - Owis Eilayyan
- Teaching and Research Assistant, Faculty of Medicine, McGill University, Montreal, Quebec, Canada
| | - Samer Abi-Nader
- Division Director and Associate Professor, Division of Prosthodontics and Restorative Dentistry, Faculty of Dentistry, McGill University, Montreal, Quebec, Canada
| | - Faleh Tamimi
- Associate Professor, Division of Prosthodontics and Restorative Dentistry, Faculty of Dentistry, McGill University, Montreal, Quebec, Canada.
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Patel DR, O'Brien T, Petrie A, Petridis H. A systematic review of outcome measurements and quality of studies evaluating fixed tooth-supported restorations. J Prosthodont 2014; 23:421-33. [PMID: 24947268 PMCID: PMC4491372 DOI: 10.1111/jopr.12160] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 10/22/2013] [Indexed: 02/04/2023] Open
Abstract
PURPOSE The purpose of this systematic review was to review clinical studies of fixed tooth-supported prostheses, and to assess the quality of evidence with an emphasis on the assessment of the reporting of outcome measurements. Multiple hypotheses were generated to compare the effect of study type on different outcome modifiers and to compare the quality of publications before and after January 2005. MATERIALS AND METHODS An electronic search was conducted using specific databases (MEDLINE via Ovid, EMBASE via Ovid, Cochrane Library) through July 2012. This was complemented by hand searching the past 10 years of issues of the Journal of Oral Rehabilitation, Journal of Prosthetic Dentistry, Journal of Prosthodontics, and the International Journal of Prosthodontics. All experimental and observational clinical studies evaluating survival, success, failure, and complications of tooth-supported extracoronal fixed partial dentures, crowns, and onlays were included. No restrictions on age or follow-up time were placed. RESULTS The electronic search generated 14,869 papers, of which 206 papers were included for full-text review. Hand-searching added 23 papers. Inclusion criteria were met by 182 papers and were included for the review. The majority were retrospective studies. Only 8 (4.4%) were randomized controlled trials. The majority of the studies measured survival and failure, and few studies recorded data on success; however, more than 60% of the studies failed to define survival, success, and failure. Many studies did not use any standardized criteria for assessment of the quality of the restorations and, when standardized criteria were used, they were modified, thereby not allowing for comparisons with other studies. There was an increase of 21.8% in the number of studies evaluating outcome measurements of all-ceramic restorations in past 8 years. CONCLUSIONS Prosthodontic literature presents with a reduced percentage of RCTs compared to other disciplines in dentistry. The overall quality of recording prosthodontic outcome measurements has not improved greatly in the past 8 years.
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Affiliation(s)
| | - Tim O'Brien
- Prosthodontics Unit, Department of Restorative Dentistry, UCL Eastman Dental InstituteLondon, UK
| | - Aviva Petrie
- Biostatistics Unit, UCL Eastman Dental InstituteLondon, UK
| | - Haralampos Petridis
- Prosthodontics Unit, Department of Restorative Dentistry, UCL Eastman Dental InstituteLondon, UK
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Yahyazadehfar M, Ivancik J, Majd H, An B, Zhang D, Arola D. On the Mechanics of Fatigue and Fracture in Teeth. APPLIED MECHANICS REVIEWS 2014; 66:0308031-3080319. [PMID: 25516632 PMCID: PMC4240032 DOI: 10.1115/1.4027431] [Citation(s) in RCA: 46] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/07/2013] [Revised: 03/30/2014] [Indexed: 05/24/2023]
Abstract
Tooth fracture is a major concern in the field of restorative dentistry. However, knowledge of the causes for tooth fracture has developed from contributions that are largely based within the field of mechanics. The present manuscript presents a technical review of advances in understanding the fracture of teeth and the fatigue and fracture behavior of their hard tissues (i.e., dentin and enamel). The importance of evaluating the fracture resistance of these materials, and the role of applied mechanics in developing this knowledge will be reviewed. In addition, the complex microstructures of tooth tissues, their roles in resisting tooth fracture, and the importance of hydration and aging on the fracture resistance of tooth tissues will be discussed. Studies in this area are essential for increasing the success of current treatments in dentistry, as well as in facilitating the development of novel bio-inspired restorative materials for the future.
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Affiliation(s)
- Mobin Yahyazadehfar
- Department of Mechanical Engineering,
University of Maryland Baltimore County,
Baltimore, MD 21250
| | - Juliana Ivancik
- Department of Mechanical Engineering,
University of Maryland Baltimore County,
Baltimore, MD 21250
- Protective Equipment Division,
U.S Army Aberdeen Test Center,
Aberdeen, MD 21001
| | - Hessam Majd
- Department of Mechanical Engineering,
University of Maryland Baltimore County,
Baltimore, MD 21250
| | - Bingbing An
- Department of Mechanics,
Shanghai University,
Shanghai 200444, China
- Shanghai Key Laboratory of
Mechanics in Energy Engineering,
Shanghai 200072, China
| | - Dongsheng Zhang
- Department of Mechanics,
Shanghai University,
Shanghai 200444, China
- Shanghai Key Laboratory of
Mechanics in Energy Engineering,
Shanghai 200072, China
| | - Dwayne Arola
- Department of Materials Science
and Engineering,
University of Washington,
Seattle, WA 98195
- Department of Endodontics,
Prosthodontics, and Operative Dentistry,
Dental School,
University of Maryland,
Baltimore, MD 21201
e-mail:
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Abstract
Besides the prevention strategies against early stage dental caries, restoration is a preferable way to prevent decayed tooth from further deterioration. This study aimed to compare the mechanical strengths of carious tooth, traditionally restored tooth, and novel conservatively restored teeth under occlusal loading. The two-dimensional (2D) finite element method (FEM) was applied to quantify and compare maximum tensile stresses thereby predicting the initiation of crack. Taking into consideration of peak tensile stresses, it was found that the conservative (minimal intervention) restorations exhibited better fracture resistance than traditional restoration.
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Multifactorial risk assessment for survival of abutments of removable partial dentures based on practice-based longitudinal study. J Dent 2013; 41:1175-80. [DOI: 10.1016/j.jdent.2013.07.018] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2013] [Revised: 07/18/2013] [Accepted: 07/23/2013] [Indexed: 10/26/2022] Open
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Yamazaki S, Arakawa H, Maekawa K, Hara ES, Noda K, Minakuchi H, Sonoyama W, Matsuka Y, Kuboki T. Retrospective investigation of the remaining teeth status of patients with implant-supported fixed partial dentures in unilateral free-end edentulism. J Prosthodont Res 2013; 57:262-7. [DOI: 10.1016/j.jpor.2013.08.001] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2013] [Revised: 07/08/2013] [Accepted: 08/09/2013] [Indexed: 11/26/2022]
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Lee JH, Son HH, Kim HY, Chang J. Caries risk profiles of Korean dental patients using simplified Cariogram models. Acta Odontol Scand 2013; 71:899-905. [PMID: 23088581 DOI: 10.3109/00016357.2012.734416] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Abstract
OBJECTIVES The objective of this study was to compare the caries risk profiles obtained from the simplified Cariogram models and the conventional Cariogram model of Korean dental patients. MATERIALS AND METHODS Data required for a caries risk assessment with the Cariogram were collected from 80 young adult patients (mean: 23 years old). Three different simplified Cariogram models were produced with exclusion of either or both salivary secretion rate and lactobacilli count: group 1, conventional model; group 2, both salivary secretion rate and lactobacilli count excluded; group 3, salivary secretion rate excluded; group 4, lactobacilli count excluded. RESULTS The mean chance of avoiding caries in group 1 (55.5%) was not significantly different from those in groups 2 and 3. Also four caries-related sectors of the Cariogram (diet, bacteria, susceptibility and circumstance) in group 1 were not significantly different than in groups 2 and 3. Group 4 showed significant differences from group 1 in the mean chance of avoiding caries and the diet, susceptibility and circumstance sectors (p < 0.05). Significant correlations were detected between all risk factors and their corresponding risk sectors (p < 0.05). Also there were significant correlations between each risk factor and the chance of avoiding caries, except for the amount of plaque, in groups 1, 2 and 3 (p < 0.05). CONCLUSIONS The simplified Cariogram model without salivary secretion rate and lactobacilli count did not significantly change the outcome produced from the conventional model. However, single exclusion of lactobacilli count noticeably changed the caries risk profile.
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Affiliation(s)
- Jung-Hyun Lee
- Department of Conservative Dentistry and Dental Research Institute, School of Dentistry, Seoul National University, Seoul, Korea
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Dikbas I, Tanalp J, Tomruk CO, Koksal T. Evaluation of reasons for extraction of crowned teeth: a prospective study at a university clinic. Acta Odontol Scand 2013; 71:848-56. [PMID: 22554248 DOI: 10.3109/00016357.2012.680908] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Abstract
OBJECTIVE The aim of this study was to determine and classify the major reasons for extraction of teeth with full crowns belonging to patients admitted to a university clinic within a specific time frame. METHODS Two hundred and eight extracted teeth with full crown belonging to 75 patients were included. Apart from demographic information, reasons for presenting to the hospital, the major reason for extraction, the type of the crown (single crown, bridge abutment, abutment for removable prosthesis), presence of posts, age of restorations, presence of an endodontic treatment and quality were recorded. Comparable data were statistically analyzed using the chi-square test. RESULTS Forty-three (57.3%) of the patients were females, whereas 32 (42.7%) were males with an average age of 63.21 ± 13.56. A statistically significant relationship was determined between age groups and rate of extractions, with the lowest extractions detected in the 35-44 years age group and the highest in the 55-64 years age group (p = 0.001). Tooth mobility was the predominant reason for patients' initial presentation (52.9%). The most encountered reason for extraction was periodontal reasons with a prevalence of 59.1%, followed by caries (26.9%) and periapical lesions (12%); 35.6% of extracted teeth had endodontic treatment. Sixty teeth (81.1%) had incomplete root fillings. There was a significant relationship between extractions and incomplete root fillings (p = 0.001). CONCLUSION Studies comprising other faculty clinics as well as general practices will be complementary in making more generalized statements regarding the etiology of extractions of crowned teeth.
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Affiliation(s)
- Idil Dikbas
- Department of Prosthodontics, Faculty of Dentistry, Yeditepe University, Istanbul, Turkey
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Alomari QD, Khalaf ME, Al-Shawaf NM. Relative contribution of restorative treatment to tooth extraction in a teaching institution. J Oral Rehabil 2013; 40:464-71. [PMID: 23600993 DOI: 10.1111/joor.12056] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 03/27/2013] [Indexed: 11/30/2022]
Abstract
Teeth can be extracted due to multiple factors. The aim of this retrospective cross-sectional study was to identify the relative contribution of restorative treatments to tooth loss. The study reviewed records of 826 patients (1102 teeth). Patient's gender, age and education were obtained. In addition to the main reason for extraction (caries, periodontal disease, pre-prosthetic extraction, restorative failure and remaining root), the following information was collected about each extracted tooth: type, the status of caries if any (primary or secondary) and pulpal status (normal or reversible pulpitis, irreversible pulpitis, necrotic or root canal treated) and type and size of restoration, if present. Following data collection, descriptive analysis was performed. A log-linear model was used to examine the association between restorative treatment and tooth loss and between reasons for tooth loss and type of tooth. Lower molars followed by upper molars were the most commonly extracted teeth. Teeth with no restorations or with crowns were less likely to be extracted (P < 0·001). Lower and upper molars and lower premolars were more likely to be extracted due to restorative failure, while lower anterior teeth were more likely to be extracted due to periodontal disease (P < 0·05). Twenty two per cent of the extractions was due to restorative failure, and at least 65·9% of these teeth had secondary caries. Gender, age and educational level were factors that affect tooth loss. In conclusion, teeth receiving multiple restorative therapies were more likely to be extracted.
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Affiliation(s)
- Q D Alomari
- Department of Restorative Sciences, Faculty of Dentistry, Kuwait University, Safat, Kuwait.
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Featherstone JDB, Singh S, Curtis DA. Caries Risk Assessment and Management for the Prosthodontic Patient. J Prosthodont 2011; 20:2-9. [DOI: 10.1111/j.1532-849x.2010.00596.x] [Citation(s) in RCA: 30] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022] Open
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22
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Brägger U, Hirt-Steiner S, Schnell N, Schmidlin K, Salvi GE, Pjetursson B, Matuliene G, Zwahlen M, Lang NP. Complication and failure rates of fixed dental prostheses in patients treated for periodontal disease. Clin Oral Implants Res 2010; 22:70-7. [DOI: 10.1111/j.1600-0501.2010.02095.x] [Citation(s) in RCA: 37] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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Matsuda KI, Ikebe K, Enoki K, Tada S, Fujiwara K, Maeda Y. Incidence and association of root fractures after prosthetic treatment. J Prosthodont Res 2010; 55:137-40. [PMID: 21134786 DOI: 10.1016/j.jpor.2010.10.003] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2010] [Revised: 10/06/2010] [Accepted: 10/21/2010] [Indexed: 11/30/2022]
Abstract
PURPOSE Common reasons for tooth extractions include periodontal disease, dental caries and root fracture. The purpose of this study was to investigate the association of tooth loss after prosthetic treatment, particularly incidences due to root fracture, which occur frequently and are difficult to prevent. METHODS Data were collected from consecutively selected medical records of patients taken over 3 years after their initial visit to Osaka University Dental Hospital. Collected data included (1) age and gender, (2) number of teeth at the initial visit and number of extracted teeth, (3) reasons for extraction, (4) restored with or without a post and (5) abutment of removable partial dentures (RPDs). A Chi-squared test was applied among the reasons for extraction, whether the tooth was restored with a post or not and clasped or not. A logistic regression analysis was used to determine the associations of root fracture with the patient data. RESULTS This study included 101 patients (296 extracted teeth). The reasons for extraction included periodontal disease (64.6%), caries (25.3%) and root fracture (10.1%). The percentage of root fracture was significantly higher for female than male, for restored teeth with posts than without posts and for abutment of RPDs than for non-abutment teeth. Logistic regressions showed that root fractures were significantly associated with gender and abutments. CONCLUSION The most frequently stated reasons for tooth extraction after prosthetic treatment were periodontal disease and dental caries, followed by root fracture. Root fractures were significantly associated with gender and abutment teeth of RPDs.
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Affiliation(s)
- Ken-ichi Matsuda
- Department of Prosthodontics and Oral Rehabilitation, Osaka University Graduate School of Dentistry, 1-8 Yamadaoka, Suita, Osaka 565-0871, Japan.
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Tsesis I, Rosen E, Tamse A, Taschieri S, Kfir A. Diagnosis of Vertical Root Fractures in Endodontically Treated Teeth Based on Clinical and Radiographic Indices: A Systematic Review. J Endod 2010; 36:1455-8. [PMID: 20728708 DOI: 10.1016/j.joen.2010.05.003] [Citation(s) in RCA: 123] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2010] [Accepted: 05/15/2010] [Indexed: 10/19/2022]
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Ng YL, Mann V, Gulabivala K. Tooth survival following non-surgical root canal treatment: a systematic review of the literature. Int Endod J 2010; 43:171-89. [PMID: 20158529 DOI: 10.1111/j.1365-2591.2009.01671.x] [Citation(s) in RCA: 220] [Impact Index Per Article: 15.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2023]
Abstract
AIMS To investigate (i) the effect of study characteristics on reported tooth survival after root canal treatment (RCTx) and (ii) the effect of clinical factors on the proportion of root filled teeth surviving after RCTx. METHODOLOGY Longitudinal human clinical studies investigating tooth survival after RCTx which were published up to the end of 2007 were identified electronically (MEDLINE and Cochrane database 1966-2007 December, week 4). In addition, four journals (Dental Traumatology, International Endodontic Journal, Journal of Endodontics, Oral Surgery Oral Medicine Oral Pathology Oral Radiology & Endodontics), bibliographies of all relevant articles and review articles were hand searched. Two reviewers (Y-LN, KG) assessed and selected the studies based on specified inclusion criteria and extracted the data onto a pre-designed proforma, independently. The criteria were as follows: (i) clinical study on RCTx; (ii) stratified analysis of primary and secondary RCTx available; (iii) sample size given and larger than 10; (iv) at least 6-month postoperative review; (v) success based on survival of tooth; and (vi) proportion of teeth surviving after treatment given or could be calculated from the raw data. Three strands of evidence or analyses were used to triangulate a consensus view. The reported findings from individual studies, including those excluded for quantitative analysis, were utilized for the intuitive synthesis, which constituted the first strand of evidence. Secondly, the pooled weighted proportion of teeth surviving and thirdly the combined effects of potential prognostic factors were estimated using the fixed and random effects meta-analyses on studies fulfilling all the inclusion criteria. RESULTS Of the 31 articles identified, 14 studies published between 1993 and 2007 were included. The majority of studies were retrospective (n = 10) and only four prospective. The pooled percentages of reported tooth survival over 2-3, 4-5 and 8-10 years following RCTx were 86% (95% CI: 75%, 98%), 93% (95% CI: 92%, 94%) and 87% (95% CI: 82%, 92%), respectively. Substantial differences in study characteristics were found to hinder effective direct comparison of findings. Evidence for the effect of prognostic factors on tooth survival was weak. Based on the data available for meta-analyses, four conditions were found to significantly improve tooth survival. In descending order of influence, the conditions increasing observed proportion of survival were as follows: (i) a crown restoration after RCTx; (ii) tooth having both mesial and distal proximal contacts; (iii) tooth not functioning as an abutment for removable or fixed prosthesis; and (iv) tooth type or specifically non-molar teeth. Statistical heterogeneity was substantial in some cases but its source could not be investigated because of insufficient available information. CONCLUSIONS The pooled proportion of teeth surviving over 2-10 years following RCTx ranged between 86% and 93%. Four factors (listed above) were identified as significant prognostic factors with concurrence between all three strands of evidence.
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Affiliation(s)
- Y-L Ng
- Unit of Endodontology, UCL Eastman Dental Institute, University College London, London.
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Sonbul H, Birkhed D. Risk profile and quality of dental restorations: a cross-sectional study. Acta Odontol Scand 2010; 68:122-8. [PMID: 20105096 DOI: 10.3109/00016350903527196] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Abstract
OBJECTIVES The aims of the present study were (1) to evaluate the percentage of recurrent caries with respect to the estimated caries risk profile obtained with a Cariogram, (2) to evaluate the quality of restorations in a Saudi population with several restorations and (3) to determine the additional value of bite-wing radiographs as an aid to quality evaluation. MATERIAL AND METHODS A total of 803 restorations were examined in 100 adults according to the United States Public Health Service/Ryge criteria. Salivary and microbiological factors, dietary habits and plaque index were investigated. The Cariogram was used to evaluate the risk profiles. Class II bite-wing radiographs (n = 281) were taken to examine the marginal integrity and the anatomic form proximally. RESULTS The patients were categorized according to 'the chance of avoiding caries' into three risk groups: 0%-20% (n = 38), 21%-40% (n = 28) and 41%-100% (n = 34). ANOVA revealed statistically significant differences between the risk groups with respect to the recurrent caries (P < 0.05). A high percentage of the total restorations (56%) were diagnosed with recurrent caries. The quality of anatomic form and surface texture was unacceptable in the majority of cases. After adding the evaluations of class II bite-wings, the percentage of unacceptable restorations increased by 28% and 17% with regard to marginal integrity and anatomic form, respectively (P < 0.001). CONCLUSIONS Recurrent caries was related to the percentage 'chance of avoiding caries' as estimated by the Cariogram. The importance of bite-wings was emphasized as an aid to quality evaluation.
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Affiliation(s)
- Helal Sonbul
- Department of Cariology, Institute of Odontology, The Sahlgrenska Academy, University of Göteborg, Gothenburg, Sweden
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Theodosopoulou JN, Chochlidakis KM. A Systematic Review of Dowel (Post) and Core Materials and Systems. J Prosthodont 2009; 18:464-72. [DOI: 10.1111/j.1532-849x.2009.00472.x] [Citation(s) in RCA: 65] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022] Open
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Ashkanani HM, Raigrodski AJ, Flinn BD, Heindl H, Mancl LA. Flexural and shear strengths of ZrO2 and a high-noble alloy bonded to their corresponding porcelains. J Prosthet Dent 2008; 100:274-84. [DOI: 10.1016/s0022-3913(08)60206-1] [Citation(s) in RCA: 55] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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Treatment history of teeth in relation to the longevity of the teeth and their restorations: outcomes of teeth treated and maintained for 15 years. Br Dent J 2007. [DOI: 10.1038/bdj.2007.953] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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