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Sáenz-Ravello G, Ossandón-Zúñiga B, Muñoz-Meza V, Mora-Ferraro D, Baeza M, Fan S, Sagheb K, Schiegnitz E, Díaz L. Short implants compared to regular dental implants after bone augmentation in the atrophic posterior mandible: umbrella review and meta-analysis of success outcomes. Int J Implant Dent 2023; 9:18. [PMID: 37400739 DOI: 10.1186/s40729-023-00476-0] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2022] [Accepted: 04/28/2023] [Indexed: 07/05/2023] Open
Abstract
PURPOSE To assess the body of evidence of short versus regular implants after bone augmentation (BA) in the atrophic posterior mandible in the context of implant treatment success outcomes. METHODS Seven databases, two registries, and reference lists were searched for systematic reviews and meta-analysis (SR/MA), randomized controlled trials (RCTs) and longitudinal studies published in English, Spanish or German since 2012. Confidence in the SR/MA methodology was evaluated using AMSTAR-2 and the risk of bias of primary studies using Cochrane's RoB 2.0 and ROBINS-I. A random-effects meta-analysis and a meta-regression were performed for continuous and dichotomous outcomes. GRADE approach was used to assess the certainty of the evidence. RESULTS Eighteen SRs/MAs, most of them "critically low" and "low" confidence with substantial overlap, included 14 relevant RCTs with a high risk of bias. A cohort study with moderate risk of bias was added. Quantitative synthesis of 595 implants and 281 hemiarches/patients indicates that the use of short implants (< 10 mm) compared to regular implants and BA may reduce implant failure at 1-year follow-up, and marginal bone loss (MBL) at 3-, 5-, and 8-year follow-up; is likely to reduce the risk of biological complications at 1-, 3-, 5-, and 8-year follow-up; and may be the patient's preferred alternative. There is a correlation between bone height, MBL and biological complications. CONCLUSIONS The available evidence partially suggests that the use of short implants could decrease implant failure, MBL, and biological complications, and increase patient satisfaction. However, given the need for further RCTs and real-world evidence to fully evaluate short- and long-term outcomes, it would be prudent for clinicians to carefully consider the individual needs and circumstances of the patients before deciding whether to use short implants. Trial registration PROSPERO CRD42022333526.
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Affiliation(s)
- Gustavo Sáenz-Ravello
- Faculty of Dentistry, Center for Epidemiology and Surveillance of Oral Diseases, University of Chile, Santiago, Chile
| | | | | | | | - Mauricio Baeza
- Faculty of Dentistry, Center for Epidemiology and Surveillance of Oral Diseases, University of Chile, Santiago, Chile
| | - Shengchi Fan
- Department of Oral and Maxillofacial Surgery, University Medical Center of the Johannes-Gutenberg University, Augustusplatz 2, 55131, Mainz, Germany
| | - Keyvan Sagheb
- Department of Oral and Maxillofacial Surgery, University Medical Center of the Johannes-Gutenberg University, Augustusplatz 2, 55131, Mainz, Germany
| | - Eik Schiegnitz
- Department of Oral and Maxillofacial Surgery, University Medical Center of the Johannes-Gutenberg University, Augustusplatz 2, 55131, Mainz, Germany
| | - Leonardo Díaz
- Faculty of Dentistry, Postgraduate School, University of Chile, Santiago, Chile.
- Department of Oral and Maxillofacial Surgery, University Medical Center of the Johannes-Gutenberg University, Augustusplatz 2, 55131, Mainz, Germany.
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Yang J, Siow L, Zhang X, Wang Y, Wang H, Wang B. Dental Reimplantation Treatment and Clinical Care for Patients with Previous Implant Failure-A Retrospective Study. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2022; 19:15939. [PMID: 36498015 PMCID: PMC9735569 DOI: 10.3390/ijerph192315939] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 11/02/2022] [Revised: 11/26/2022] [Accepted: 11/26/2022] [Indexed: 06/17/2023]
Abstract
(1) Objectives: This study evaluated the clinical outcomes of dental implants placed in previously failed sites and discussed the risk factors that mattered in reimplantation. (2) Methods: All the cases by one specific implantologist during his first five years of clinical practice were screened, with a focus on those who received reimplantation. The clinical outcomes were assessed, including the implant survival, peri-implant health, and patients' satisfaction. (3) Results: 28 patients (31 implants) were recorded as failures from 847 patients (1269 implants), with a 2.4% overall failure rate at the implant level, of whom 19 patients (21 implants) received reimplantation treatment. After a mean follow-up of 33.7 ± 10.1 months (95% CI 29.1-38.3 months), 20 implants remained functional, but 1 implant revealed a secondary early failure, indicating a 95.2% overall survival rate. The mean probing depth (PD), modified sulcus bleeding index (mSBI), and marginal bone loss (MBL) of the surviving reinserted implants were 2.7 ± 0.6 mm (95% CI 2.5-3.0 mm), 0.7 ± 0.5 (95% CI 0.5-1.0), and 0.5 ± 0.6 mm (95% CI 0.3-0.8 mm), respectively. Embedded healing occurred more frequently in the reinserted implants than in the primary implants (p = 0.052). The patients' satisfaction suffered from implant failure, but a successful reimplantation could reverse it with close doctor-patient communication. (4) Conclusions: Reimplantation treatment was recommended, based on a thorough evaluation and consideration of the risk factors combined with effective communication with the patients.
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Affiliation(s)
| | | | | | | | - Huiming Wang
- Correspondence: (H.W.); (B.W.); Tel.: +86-13858092696 (H.W.); +86-18358190519 (B.W.)
| | - Baixiang Wang
- Correspondence: (H.W.); (B.W.); Tel.: +86-13858092696 (H.W.); +86-18358190519 (B.W.)
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Vrielinck L, Blok J, Politis C. Survival of conventional dental implants in the edentulous atrophic maxilla in combination with zygomatic implants: a 20-year retrospective study. Int J Implant Dent 2022; 8:27. [PMID: 35704150 PMCID: PMC9200924 DOI: 10.1186/s40729-022-00425-3] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2022] [Accepted: 05/25/2022] [Indexed: 11/10/2022] Open
Abstract
PURPOSE Implant-supported prosthetic rehabilitation in the resorbed maxilla is a great challenge. The aim of this study was to determine the survival rate of conventional anterior implants placed in combination with zygomatic implants according to the Brånemark technique, and to identify risk factors for implant failure. METHODS We collected data retrospectively from 72 consecutive patients who received treatment from 1998 to 2018 at our center, according to Brånemark's original technique. Kaplan-Meier analysis was conducted to assess survival rate, and a survival regression model was used with the patient as the random factor, applying the Weibull distribution. RESULTS A total of 236 maxillary anterior implants were included, with a mean follow-up of 12.1 years. Kaplan-Meier analysis showed overall cumulative survival rates of 95.3% at 1 year, 94.8% at 2 years, 93.0% at 5 years, 90.5% at 10 years, 81.6% at 15 years, and 67.7% at 20 years. Survival regression showed an association between bruxism and implant failure as well as implants bearing an overdenture. Implants with length ≤ 10 mm had a significantly lower survival time. No significant association was found between the number of anterior implants and survival rate. CONCLUSIONS We found acceptable long-term anterior conventional implant survival. Significant risk factors for failure were bruxism, overdentures, and implants shorter than 10 mm.
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Affiliation(s)
- Luc Vrielinck
- Department of Oral and Maxillofacial Surgery, East-Limburg Hospital, Genk, Belgium
| | - Jorden Blok
- Department of Oral and Maxillofacial Surgery, University Hospitals Leuven, Leuven, Belgium
| | - Constantinus Politis
- Department of Oral and Maxillofacial Surgery, University Hospitals Leuven, Leuven, Belgium. .,OMFS IMPATH Research Group, Department of Imaging and Pathology, Faculty of Medicine, Catholic University of Leuven, Leuven, Belgium.
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Abstract
Inappropriate and unnecessary implant therapy driven by an erroneous belief that dental implants provide enhanced function and esthetics over diseased or failing teeth has led to a growing burden of implant complications across the globe. Specifically, esthetic and biological complications frequently lead to the unfavorable prognosis of dental implants. Often, these cannot be managed predictably to improve the condition or satisfy patients' demands. In such circumstances, implant removal needs to be considered. Currently, minimally invasive methods based on reverse torque engineering are key to preserve peri-implant soft and hard tissues. Implant replacement is now feasible, as evidenced by the high survival rates of implants placed at previously failed sites. Notwithstanding these data, clinicians should still consider carefully the expendability of an implant and whether its replacement will satisfy the prosthetic, biomechanical, and esthetic demands of the patient. In the scenario where future implant placement is desired, protocols undertaken for soft/hard tissue grafting and implant placement should be based upon defect morphology and soft and hard-tissue characteristics. Currently, however, a lack of knowledge of the biological events and dimensional changes that arise following implant removal renders decision-making complex and challenging, and recommendations remain largely based upon empirical speculation. This chapter will review the indications for implant replacement for prosthetic, biomechanical, and esthetic complications, alongside considerations in decision-making, planning, implementation, and outcomes of implant replacement.
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Affiliation(s)
- Alberto Monje
- Department of Periodontics and Oral Medicine, School of Dental Medicine, University of Michigan, Ann Arbor, MI, USA.,Department of Periodontology, Universidad Internacional de Catalunya, Barcelona, Spain
| | - José Nart
- Department of Periodontology, Universidad Internacional de Catalunya, Barcelona, Spain
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Rossit M, Gil-Manich V, Ribera-Uribe JM. Success rate of nitrous oxide-oxygen procedural sedation in dental patients: systematic review and meta-analysis. J Dent Anesth Pain Med 2021; 21:527-545. [PMID: 34909471 PMCID: PMC8637914 DOI: 10.17245/jdapm.2021.21.6.527] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2021] [Revised: 10/18/2021] [Accepted: 11/07/2021] [Indexed: 11/24/2022] Open
Abstract
The aim of this systematic review was to determine the success rate of nitrous oxide-oxygen procedural sedation (NOIS) in dentistry. A systematic digital search was conducted for publications or reports of randomized controlled trials evaluating the clinical performance of NOIS. Abstracts of research papers were screened for suitability, and full-text articles were obtained for those who met the inclusion and exclusion criteria accordingly. The quality of the studies was assessed using the revised Cochrane risk-of-bias tool (RoB 2). A total of 19 articles (eight randomized clinical trials with parallel intervention groups and 11 crossover trials), published between May 1988 and August 2019, were finally selected for this review. The studies followed 1293 patients reporting NOIS success rates, with a cumulative mean value of 94.9% (95% CI: 88.8–98.9%). Thirteen trials were conducted on pediatric populations (1098 patients), and the remaining six were conducted on adults (195 patients), with cumulative efficacy rates of 91.9% (95% CI: 82.5–98.1%) and 99.9% (95% CI: 97.7–100.0%), respectively. The difference was statistically significant (P = 0.002). Completion of treatment and Section IV of the Houpt scale were the most used efficacy criteria. Within the limitations of this systematic review, the present study provides important information on the efficacy rate of NOIS. However, further well-designed and well-documented clinical trials are required and there is a need to develop guidelines for standardization of criteria and definition of success in procedural sedation. Currently, completion of treatment is the most used parameter in clinical practice, though many others also do exist at the same time. To maximize NOIS efficacy, clinicians should strictly consider appropriate indications for the procedure.
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Affiliation(s)
- Marco Rossit
- Department of Geriatric Dentistry, Oral Medicine, and Care for Patients with Special Needs, Universitat Internacional de Catalunya (UIC), Barcelona, Spain
| | - Victor Gil-Manich
- Department of Geriatric Dentistry, Oral Medicine, and Care for Patients with Special Needs, Universitat Internacional de Catalunya (UIC), Barcelona, Spain
| | - José Manuel Ribera-Uribe
- Department of Geriatric Dentistry, Oral Medicine, and Care for Patients with Special Needs, Universitat Internacional de Catalunya (UIC), Barcelona, Spain
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Mathur A, Kharbanda OP, Koul V, Dinda AK, Anwar MF, Singh S. Fabrication and evaluation of antimicrobial biomimetic nanofibre coating for improved dental implant bio-seal: An in vitro study. J Periodontol 2021; 93:1578-1588. [PMID: 34855256 DOI: 10.1002/jper.21-0255] [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] [Received: 04/23/2021] [Revised: 07/26/2021] [Accepted: 09/26/2021] [Indexed: 11/08/2022]
Abstract
BACKGROUND A weak implant-soft tissue interface may lead to bacterial ingression, breakdown of underlying tissues, and eventually implant failure. This study proposes a surface modification technique of titanium alloy (Ti), using a nano-biopolymer scaffold to enhance soft tissue attachment in dental implants. METHODS Gelatin (20% w/v) embedded with 10±2 nm silver nanoparticles (AgNPs) was electrospun to form a Gelatin Electrospun Mat (GEM) scaffold, bonded to Ti alloy surface using chemical surface functionalization. Antimicrobial activity of AgNPs was tested against representative Gram-positive (S. aureus) and Gram-negative bacteria (E. coli) at 4, 24, and 48 hours (h) and after embedding in scaffold at 48 h. Cytotoxicity analysis (MTT assay) was carried out using the 3T3 mouse fibroblast cell line at 24 and 72 h for two groups: Control (unmodified Ti disc) and Experimental (GEM embedded with AgNPs); and further validated by scanning electron microscopy (SEM). RESULTS The AgNPs-embedded GEM showed good antimicrobial activity at 48 h, with the AgNPs showing complete (99.99%) inhibition of bacterial colony counts at 24 h and 48 h. Cell viability and proliferation over the GEM modified Ti discs were seen to be significantly increased (p < 0.05) at 72 h as compared to control. SEM images revealed intimate spreading of fibroblasts, with differentiated cell morphology and pseudopodial processes, indicative of enhanced fibroblastic adhesion, growth, and differentiation over the scaffold. CONCLUSION Results show good antifouling properties and biocompatibility of the fabricated coating, making it a promising strategy to reduce post-operative infections and peri-implant diseases in Ti dental implants. This article is protected by copyright. All rights reserved.
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Affiliation(s)
- Apoorva Mathur
- Centre for Dental Education and Research (CDER, ), All India Institute of Medical Sciences, New Delhi, 110029, India
| | - Om Prakash Kharbanda
- Dr. CG Pandit, National Chair of ICMR, Room 206, Department of Plastic Surgery, All India Institute of Medical Sciences, New Delhi, 110029, India
| | - Veena Koul
- PhD Professor Emeritus, Centre for Biomedical Engineering, IIT Delhi, India
| | - Amit Kumar Dinda
- ICMR Emeritus Scientist, Department of Pathology, All India Institute of Medical Sciences, New Delhi, 110029, India
| | | | - Suchita Singh
- Scientist C (Clinical Operations), Div. of ECD, ITRC, Indian Council for Medical Research, New Delhi, India
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Anitua E, Montalvillo A, Eguia A, Alkhraisat MH. Clinical outcomes of dental implants placed in the same region where previous implants failed due to peri-implantitis: a retrospective study. Int J Implant Dent 2021; 7:109. [PMID: 34751830 PMCID: PMC8578225 DOI: 10.1186/s40729-021-00392-1] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2021] [Accepted: 11/04/2021] [Indexed: 12/27/2022] Open
Abstract
Purpose There is paucity in the studies that assess dental implants replacing failed dental implants due to peri-implantitis. This study aims to evaluate the clinical outcomes of these implants in terms of implant survival and marginal bone loss. Methods Patients in this retrospective study were selected if having one or more implants removed due to peri-implantitis and the placement and loading of dental implants in the same region from April 2010 to December 2019. Information was collected about the patient's demographic data, implant dimensions, surgical and prosthetic variables. Changes in peri-implant bone level, cumulative implant survival rate and technical complications were assessed. Results Three hundred and eighty one dental implants in 146 patients that were placed in the same position or one-tooth position mesially/distally to the site of explantation were included. The patients' mean age was 63 ± 10 years. Ninety seven patients were females and 49 were males. After a mean follow-up of 34 ± 17 months, two implants failed. The cumulative survival rate was 99%. The marginal bone loss was −0.1 ± 0.6. Immediate or delay replacement of the failed implant did not affect implant survival or marginal bone stability. All the prostheses were screw-retained and presented the following complications: ceramic chipping (3 events), resin tooth fracture (1 event) and prosthetic screw loosening (1 event). Conclusions Dental implants replacing failed implants due to peri-implantitis would be an option in the management of peri-implantitis. They showed high survival rate and marginal bone stability.
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Affiliation(s)
- Eduardo Anitua
- University Institute for Regenerative Medicine and Oral Implantology - UIRMI (UPV/EHU-Fundación Eduardo Anitua), Jose Maria Cagigal 19, 01007, Vitoria, Spain. .,BTI Biotechnology Institute, Vitoria, Spain.
| | - Adriana Montalvillo
- University Institute for Regenerative Medicine and Oral Implantology - UIRMI (UPV/EHU-Fundación Eduardo Anitua), Jose Maria Cagigal 19, 01007, Vitoria, Spain
| | - Asier Eguia
- University Institute for Regenerative Medicine and Oral Implantology - UIRMI (UPV/EHU-Fundación Eduardo Anitua), Jose Maria Cagigal 19, 01007, Vitoria, Spain
| | - Mohammad Hamdan Alkhraisat
- University Institute for Regenerative Medicine and Oral Implantology - UIRMI (UPV/EHU-Fundación Eduardo Anitua), Jose Maria Cagigal 19, 01007, Vitoria, Spain.,BTI Biotechnology Institute, Vitoria, Spain
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Retreatment of multiple failing maxillary implants after full arch rehabilitation: a retrospective, observational cohort study. Int J Oral Maxillofac Surg 2020; 49:1481-1488. [PMID: 32249035 DOI: 10.1016/j.ijom.2020.03.010] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/24/2019] [Revised: 10/29/2019] [Accepted: 03/12/2020] [Indexed: 11/20/2022]
Abstract
The aim of this study was to assess implant retreatment in a group of patients whose maxillary implants were all failing after full arch rehabilitation. Treatment involved implant removal, augmentation, and placement of an overdenture supported by four to six implants. All consecutive patients referred between 2008 and 2018, following multiple late implant failures in the rehabilitated maxilla, were included in the study. Seventy implants in 15 patients were evaluated at 3.3 ± 2.5 years (range 1.1-8.6 years) after loading. Implant survival, complications, clinical parameters, marginal bone loss, and patient-related outcome measures were recorded at the time of evaluation. Overall implant survival was 95.7%. Three implant failures occurred within the first year of function. Marginal bone loss was 0.32 ± 0.46 mm; pocket probing depth was 4.55 ± 1.59 mm. Plaque, calculus, inflammation, and bleeding were hardly seen (median index score 0). Patients scored their satisfaction with their overdentures as high (mean overall score 8.7 ± 1.2, maximum 10). Chewing soft and tough food was scored as 'good' and hard food as 'moderate'. The mean Oral Health Impact Profile score was 29.5 ± 33.3. It can be concluded that the replacement of multiple failing implants in an edentulous maxilla after bone augmentation is a safe and predictable treatment procedure when applied as an implant-supported overdenture.
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Yang G, Chen L, Gao Y, Liu H, Dong H, Mou Y. Risk factors and reoperative survival rate of failed narrow‐diameter implants in the maxillary anterior region. Clin Implant Dent Relat Res 2019; 22:29-41. [PMID: 31797552 DOI: 10.1111/cid.12867] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2019] [Revised: 10/04/2019] [Accepted: 10/23/2019] [Indexed: 02/06/2023]
Affiliation(s)
- Guangwen Yang
- Department of Oral Implantology Nanjing Stomatological Hospital, Medical School of Nanjing University Nanjing Jiangsu China
| | - Li Chen
- Department of Oral Implantology Nanjing Stomatological Hospital, Medical School of Nanjing University Nanjing Jiangsu China
| | - Ying Gao
- The 461 Clinical Department of the 964 Hospital of People's Liberation Army Changchun Jilin China
| | - Hui Liu
- Department of Oral Implantology Nanjing Stomatological Hospital, Medical School of Nanjing University Nanjing Jiangsu China
| | - Heng Dong
- Department of Oral Implantology Nanjing Stomatological Hospital, Medical School of Nanjing University Nanjing Jiangsu China
| | - Yongbin Mou
- Department of Oral Implantology Nanjing Stomatological Hospital, Medical School of Nanjing University Nanjing Jiangsu China
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Solderer A, Al‐Jazrawi A, Sahrmann P, Jung R, Attin T, Schmidlin PR. Removal of failed dental implants revisited: Questions and answers. Clin Exp Dent Res 2019; 5:712-724. [PMID: 31890309 PMCID: PMC6934347 DOI: 10.1002/cre2.234] [Citation(s) in RCA: 27] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2019] [Revised: 07/19/2019] [Accepted: 07/22/2019] [Indexed: 12/14/2022] Open
Abstract
Objectives This narrative review is aiming on showing reasons for implant failure, removal techniques, and respective clinical considerations; further, the survival rate of implants in previous failed sites is examined. Materials and methods Questions have been formulated, answered, and discussed through a literature search including studies assessing implant failure and removal up to 2018. Results Studies describing reasons for implant failure, implant removal techniques, and the reinsertion of implants in a previous failed site (n = 12) were included. To date, peri-implantitis is the main reason for late implant failure (81.9%). Trephine burs seem to be the best-known method for implant removal. Nevertheless, the counter-torque-ratchet-technique, because of the low invasiveness, should be the first choice for the clinician. Regarding zirconia implant removal, only scarce data are available. Implantation in previously failed sites irrespective of an early or late failure results in 71% to 100% survival over 5 years. Conclusion If removal is required, interventions should be based on considerations regarding minimally invasive access and management as well as predictable healing. (Post)Operative considerations should primarily depend on the defect type and the consecutive implantation plans.
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Affiliation(s)
- Alex Solderer
- Clinic of Conservative and Preventive DentistryUniversity of ZurichZurichSwitzerland
| | | | - Philipp Sahrmann
- Clinic of Conservative and Preventive DentistryUniversity of ZurichZurichSwitzerland
| | - Ronald Jung
- Clinic of Reconstructive DentistryUniversity of ZurichZurichSwitzerland
| | - Thomas Attin
- Clinic of Conservative and Preventive DentistryUniversity of ZurichZurichSwitzerland
| | - Patrick R. Schmidlin
- Clinic of Conservative and Preventive DentistryUniversity of ZurichZurichSwitzerland
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Kang DY, Kim M, Lee SJ, Cho IW, Shin HS, Caballé-Serrano J, Park JC. Early implant failure: a retrospective analysis of contributing factors. J Periodontal Implant Sci 2019; 49:287-298. [PMID: 31681486 PMCID: PMC6819696 DOI: 10.5051/jpis.2019.49.5.287] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2019] [Revised: 07/19/2019] [Accepted: 07/30/2019] [Indexed: 12/13/2022] Open
Abstract
Purpose The aim of this retrospective study was to determine the prevalence of early implant failure using a single implant system and to identify the factors contributing to early implant failure. Methods Patients who received implant treatment with a single implant system (Luna®, Shinhung, Seoul, Korea) at Dankook University Dental Hospital from 2015 to 2017 were enrolled. The following data were collected for analysis: sex and age of the patient, seniority of the surgeon, diameter and length of the implant, position in the dental arch, access approach for sinus-floor elevation, and type of guided bone regeneration (GBR) procedure. The effect of each predictor was evaluated using the crude hazard ratio and the adjusted hazard ratio (aHR) in univariate and multivariate Cox regression analyses, respectively. Results This study analyzed 1,031 implants in 409 patients, who comprised 169 females and 240 males with a median age of 54 years (interquartile range [IQR], 47–61 years) and were followed up for a median of 7.2 months (IQR, 5.6–9.9 months) after implant placement. Thirty-five implants were removed prior to final prosthesis delivery, and the cumulative survival rate in the early phase at the implant level was 95.6%. Multivariate regression analysis revealed that seniority of the surgeon (residents: aHR=2.86; 95% confidence interval [CI], 1.37–5.94) and the jaw in which the implant was placed (mandible: aHR=2.31; 95% CI, 1.12–4.76) exerted statistically significant effects on early implant failure after adjusting for sex, age, dimensions of the implant, and type of GBR procedure (preoperative and/or simultaneous) (P<0.05). Conclusions Prospective studies are warranted to further elucidate the factors contributing to early implant failure. In the meantime, surgeons should receive appropriate training and carefully select the bone bed in order to minimize the risk of early implant failure.
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Affiliation(s)
- Dae-Young Kang
- Department of Periodontology, Dankook University College of Dentistry, Cheonan, Korea
| | - Myeongjin Kim
- Department of Periodontology, Dankook University College of Dentistry, Cheonan, Korea
| | - Sung-Jo Lee
- Department of Periodontology, Sejong Dental Hospital, Dankook University College of Dentistry, Sejong, Korea
| | - In-Woo Cho
- Department of Periodontology, Dankook University College of Dentistry, Cheonan, Korea
| | - Hyun-Seung Shin
- Department of Periodontology, Dankook University College of Dentistry, Cheonan, Korea
| | - Jordi Caballé-Serrano
- Department of Oral and Maxillofacial Surgery, Universitat Internacional de Catalunya, School of Dental Medicine, Barcelona, Spain
| | - Jung-Chul Park
- Department of Periodontology, Dankook University College of Dentistry, Cheonan, Korea
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do Nascimento C, Nogueira Fernandes FHC, Teixeira W, Pedrazzi V. Iodoform and silver-coated abutments preventing bacterial leakage through the implant-abutment interfaces: In vitro analysis using molecular-based method. Arch Oral Biol 2019; 105:65-71. [PMID: 31276940 DOI: 10.1016/j.archoralbio.2019.06.009] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2019] [Revised: 06/06/2019] [Accepted: 06/26/2019] [Indexed: 10/26/2022]
Abstract
OBJECTIVES The aim of this in vitro study was to evaluate the effectiveness of an iodoform paste and silver-coated abutments in preventing the microbial colonization and leakage through the implant-abutment interface of morse taper and internal hexagon implants. MATERIAL AND METHODS Seventy-two implants with morse taper (n = 36) or internal hexagon connections (n = 36) were investigated. Implants were treated with iodoform paste (n = 12), silver-coated abutments (n = 12), or control (n = 12). After saliva incubation, Checkerboard DNA-DNA hybridization was used to identify and quantify up to 43 microbial species colonizing the inner parts of the implants. ANOVA-Type and Wald-Type analyses of variance were used to investigate the relative effects and their interaction. Friedman- Conover test adjusted by Benjamini-Hockberg FDR were performed for pairwise multiple comparisons. Significance was set as p < 0.05. RESULTS Analyses of variance indicate a significant interaction between connections, antimicrobial treatments, and species. The frequency of contamination was reduced in the implants submitted to the antimicrobial treatments. Iodoform and silver-coated abutments significantly reduced the total microbial counts in the internal hexagon implants. The lower microbial counts were recorded for morse taper implants with silver-coated abutments. CONCLUSIONS Iodoform paste and silver-coated abutments have influenced the microbial leakage through the implant-abutment interface, by reducing both frequency of contamination and microbial levels. Treatments were not effective in reducing the counts of the target species.
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Affiliation(s)
- Cássio do Nascimento
- Department of Dental Materials and Prosthesis, School of Dentistry of Ribeirão Preto, University of São Paulo, Brazil
| | | | - Wendel Teixeira
- Department of Dental Materials and Prosthesis, School of Dentistry of Ribeirão Preto, University of São Paulo, Brazil
| | - Vinícius Pedrazzi
- Department of Dental Materials and Prosthesis, School of Dentistry of Ribeirão Preto, University of São Paulo, Brazil.
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Al-Juboori MJ, Al-Shaeli AJ, Radhi H, Filho LCM, Al-Attas MA. Chronic Submerged Implant Infection Treated with Immediate Implantation and Guided Bone Regeneration: A Case Report. Open Dent J 2019. [DOI: 10.2174/1874210601913010160] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
Abstract
Introduction:
Early implant infection and failure can be addressed by either implant maintenance or immediate replacement and bone regeneration at the defect site.
Methods:
In this study, six patients with chronic sinusitis at the implant site were treated with implant removal and curettage to remove the infected and inflamed soft tissue. A new implant was immediately screwed into the same socket, and a Guided Bone Regeneration (GBR) procedure was performed to regenerate the lost bone at the site. After the patients underwent the second surgery, the sinusitis disappeared, and new bone formed around the implant, achieving good implant stability.
Conclusion:
The implant was loaded, and no complaints were reported during the follow-up period. Chronic implant infection treated with implant removal and immediate replacement plus GBR resulted in stable new implants with new bone formation.
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