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Fekonja A. Comparisons of Two Different Treatment Methods for Impacted Maxillary Canines: A Retrospective Study. J Clin Med 2024; 13:2374. [PMID: 38673647 PMCID: PMC11051128 DOI: 10.3390/jcm13082374] [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: 03/03/2024] [Revised: 04/13/2024] [Accepted: 04/18/2024] [Indexed: 04/28/2024] Open
Abstract
Background: The impaction of the maxillary canine is a common occurrence, and orthodontists must be prepared to manage it. The purpose of this article is to present a study of the efficacy of a double-wire orthodontic appliance compared to a control group in the alignment of impacted maxillary canines in the dental arch. Methods: To diagnose an impacted maxillary canine, a panoramic radiograph was taken and a detailed analysis was performed by the same orthodontist. This article presents the results of 28 impacted maxillary canines with inclusion criteria of A2 (tooth angulation to the midline 16°-45°), V1 (vertical height of the tooth crown above the cementoenamel junction but less than half the length of the root of the maxillary lateral incisor), and O3 (medial position of the canine crown of more than half but less than the entire root width of the lateral incisor) positions in 21 patients (7 males and 14 females) with a mean age of 14.02 years (SD = 1.61) who were treated by the same orthodontist for impacted maxillary canines using a fixed double-wire orthodontic appliance. The analyzed data were compared with the control group (treated with a fixed orthodontic appliance and active ligature), which was matched for pretreatment age and the A2, V1, and O3 positions of the impacted maxillary canine. Results: With both methods, the impacted maxillary canines were aligned and guided into a correct position in the dental arch, but the mean active orthodontic traction of 31 ± 4.2 weeks in the SG was statistically significantly shorter (p < 0.05) in comparison to 37 ± 6.3 weeks in the CG, and the number of visits was statistically significantly (p < 0.05) fewer in the SG (5 ± 2) than in the CG (11 ± 5). Conclusions: The findings of this study are important to the field of orthodontics and show that the alignment of impacted maxillary canines with A2, V1, and O3 positions can be achieved with both methods, but with the double-wire appliance, the treatment time was shorter and the number of visits was statistically significantly fewer. The results of this study suggest that this approach may be more efficient and cost-effective compared to conventional methods.
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Affiliation(s)
- Anita Fekonja
- Department of Orthodontic Health Centre Maribor, Ulica Talcev 9, 2000 Maribor, Slovenia;
- Faculty of Medicine, University of Maribor, Taborska ulica 8, 2000 Maribor, Slovenia
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Kolokitha OE, Balli D, Zarkadi AE, Gizani S. Association between maxillary canine impaction and other dental anomalies: radiological study of a mixed dentition children's cohort from an orthodontic clinic. Eur Arch Paediatr Dent 2023:10.1007/s40368-023-00798-y. [PMID: 37046044 DOI: 10.1007/s40368-023-00798-y] [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: 11/12/2022] [Accepted: 03/30/2023] [Indexed: 04/14/2023]
Abstract
PURPOSE To investigate the significance of association between maxillary impacted canines and various dental anomalies. METHODS Files of 874 orthodontic patients were evaluated for the presence of maxillary impacted canines. From this sample, a group of 97 patients (39 males and 58 females) with at least 1 impacted maxillary canine consisted the study group. This group was compared to a control group of 97 patients (42 males and 55 females) that was created by random selection from the initial sample without maxillary canine impaction. The impaction diagnosis was made from the panoramic radiographs. Chi-square test was used to perform the analysis for significant associations. Stepwise discriminant analysis, binary logistic regression and classification tree were used to identify best combinations. RESULTS Statistically significant difference was found for peg-shaped maxillary lateral incisors and infraoccluded deciduous molars. The presence of peg-shaped upper lateral incisors arises the probability of impacted canine to 83.3%, a distal displaced unerupted second premolar to 63.16% and the impaction of any other teeth to 80% as showed by the classification tree. CONCLUSIONS The presence of peg-shaped maxillary lateral incisors and infraocclusion of deciduous molars can be considered major valuable early risk indicators for maxillary canine impaction, because they manifest before the maxillary canine eruption. Special consideration should be given on distal displaced unerupted second premolar and the impaction of any other teeth. Patients with these dental anomalies are candidates for future interceptive treatment for canine eruption.
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Affiliation(s)
- O-E Kolokitha
- Department of Orthodontics, Faculty of Dentistry, School of Health Sciences, Aristotle University of Thessaloniki, Thessaloniki, Greece.
| | - D Balli
- Department of Pediatric Dentistry, Faculty of Dentistry, School of Health Sciences, Aristotle University of Thessaloniki, Thessaloniki, Greece
| | - A-E Zarkadi
- Department of Pediatric Dentistry, Faculty of Dentistry, School of Health Sciences, Aristotle University of Thessaloniki, Thessaloniki, Greece
| | - S Gizani
- Head of Paediatric Dentistry, Department of Dentistry, Kapodistrian University of Athens (NKUA), Athens, Greece
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Lupinetti GM, Li P, Feagin K, MacDougall M, Lamani E. Non-syndromic hypodontia of maxillary lateral incisors and its association with other dental anomalies. Prog Orthod 2022; 23:53. [PMID: 36581787 PMCID: PMC9800678 DOI: 10.1186/s40510-022-00451-2] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2022] [Accepted: 11/15/2022] [Indexed: 12/31/2022] Open
Abstract
BACKGROUND Tooth agenesis (TA) is the developmental absence of one or more teeth and is the most common craniofacial disorder in humans. Maxillary lateral incisor agenesis (MLIA) is a specific subtype of TA and can have esthetic, functional, and psychosocial implications for patients. The aim of this study was to evaluate the prevalence of MLIA amongst patients with non-syndromic tooth agenesis, as well as its association with other dental anomalies. MATERIALS AND METHODS The dental records of 240 patients with non-syndromic congenitally missing teeth treated at the University of Alabama at Birmingham Department of Orthodontics were reviewed. Dolphin Imaging software was used to identify missing teeth, microdonts, peg laterals, impactions, and transpositions. Data were analyzed using chi-square or Fisher's exact test. All the tests were two-sided at the significance level of 0.05 (SAS 9.4). RESULTS In the patient cohort, MLIA prevalence was 37.5% (second most common) and no gender or ethnic differences were identified. We also observed the bilaterally missing lateral incisors more frequently than the unilateral presentation (p = 0.0006). Additionally, 62.5% of patients with unilateral MLIA displayed a contralateral tooth that was a peg (p = 0.0001); however, no association was found with other microdonts. Furthermore, of the 90 patients missing at least one maxillary lateral incisor, 42.2% were missing another tooth type and 10% of MLIA patients also had an impacted tooth (mainly maxillary canines). However, these were not statistically significant. Finally, no transposed teeth were found in our patients. CONCLUSIONS This study found that maxillary lateral incisors were the second most frequently missing teeth. When clinicians diagnose congenital absence of a maxillary lateral incisor, the patient should be evaluated for other missing teeth, peg lateral incisors, or potential impactions, especially maxillary canines.
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Affiliation(s)
- Giana Maria Lupinetti
- grid.265892.20000000106344187Department of Orthodontics, School of Dentistry, University of Alabama at Birmingham, 1919, 7th Avenue South, SDB 313, Birmingham, AL 35294-0007 USA
| | - Peng Li
- grid.265892.20000000106344187Department of Acute, Chronic and Continuing Care, School of Nursing, University of Alabama at Birmingham, Birmingham, AL USA
| | - Kyle Feagin
- grid.265892.20000000106344187Department of Orthodontics, School of Dentistry, University of Alabama at Birmingham, 1919, 7th Avenue South, SDB 313, Birmingham, AL 35294-0007 USA
| | - Mary MacDougall
- grid.17091.3e0000 0001 2288 9830Faculty of Dentistry, University of British Columbia, Vancouver, BC Canada
| | - Ejvis Lamani
- grid.265892.20000000106344187Department of Orthodontics, School of Dentistry, University of Alabama at Birmingham, 1919, 7th Avenue South, SDB 313, Birmingham, AL 35294-0007 USA
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Risk Prediction of Maxillary Canine Impaction among 9-10-Year-Old Malaysian Children: A Radiographic Study. BIOMED RESEARCH INTERNATIONAL 2022; 2022:5579243. [PMID: 36119931 PMCID: PMC9481328 DOI: 10.1155/2022/5579243] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/17/2022] [Revised: 08/18/2022] [Accepted: 08/23/2022] [Indexed: 11/17/2022]
Abstract
Background. Early diagnosis and interceptive treatment of the maxillary canine impaction is crucial as it reduces treatment complexity and decreases complications and adverse outcomes. Aim and Objectives. To determine the mean maxillary canine position among 9-10-year-old children and predict the risk of impaction of the maxillary canines. Methodology. Panoramic radiographs (PANs) of 289 healthy children aged between 9 and 10 years were observed where the average position of maxillary canines was related to the lateral incisor, sector locations, and angulations to the bicondylar line were traced. The average position was obtained by using descriptive statistics. One sample Wilcoxon signed-rank test is done to predict the risk of canine impaction by comparing the data obtained to the average position from prior studies. Results. A total of 289 PANs (126 males and 163 females) were utilized for the analysis. The findings showed that the average position of the maxillary canines in our population was statistically different from the average position of nonimpacted canines in previous studies. However, on average, more than 85% of canines in our population were still located within the safe range of satisfactory position, with females showing slight predominance outside of the acceptable range. The mean scores of the angles between the right canine and lateral incisor were significantly higher among females than males (
). Similarly, females had a significantly higher mean angle of the left canine than males (
). In regard to the angles between the bicondylar line and permanent maxillary canine, the mean scores were not significantly different (
) on both the left and right side. Conclusion. There is a low risk of impaction of maxillary canines in the Malaysian population. However, more retrospective studies using more radiographic and clinical indicators need to be done to confirm the risk of impaction further.
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Nahvi G, Rohani K, Eslamian L. Correlation between maxillary cuspid impaction with available space and anomalies of maxillary lateral incisors. Dent Res J (Isfahan) 2021. [DOI: 10.4103/1735-3327.313122] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022] Open
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Cassetta M, Guarnieri R, Altieri F, Brandetti G, Padalino G, Di Giorgio R, Barbato E. Relationship between upper lateral incisors anomalies and palatal displaced canine: a case-control retrospective study. MINERVA STOMATOLOGICA 2020; 69:159-164. [PMID: 32610724 DOI: 10.23736/s0026-4970.19.04299-7] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Abstract
BACKGROUND An observational case-control study was designed to retrospectively assess the association among sex, skeletal and dental variables and the and the palatal maxillary canine impaction. METHODS The STROBE guidelines were followed. The records of 2195 subjects were analyzed. The data records of subjects with palatally displaced canine (PDC) were compared with the data of randomly selected subjects without PDC. Descriptive statistics, logistic regression model and χ2 test were used. RESULTS One hundred and one subjects presented at least one PDC; 106 subjects without PDC were randomly selected. From the logistic model, it was found that only gender and persistence of the deciduous canine were significantly associated with PDC. The Chi-square test showed a correlation between the presence of upper lateral incisor anomalies and PDC, otherwise, considering the unilateral impaction, there was no statistically significant difference in the relationship between canine impaction and the presence of the lateral incisor anomalies, on the same or opposite side of the impaction. CONCLUSIONS The female sex and the persistence of maxillary deciduous canines are associated with PDC. The anomalies of the lateral incisor do not seem to play a mechanistic role, but could rather represent a genetic variable of the canine eruption disorder.
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Affiliation(s)
- Michele Cassetta
- School of Dentistry, Department of Oral and Maxillofacial Sciences, Sapienza University, Rome, Italy
| | - Rosanna Guarnieri
- School of Dentistry, Department of Oral and Maxillofacial Sciences, Sapienza University, Rome, Italy -
| | - Federica Altieri
- School of Dentistry, Department of Oral and Maxillofacial Sciences, Sapienza University, Rome, Italy
| | - Giulia Brandetti
- School of Dentistry, Department of Oral and Maxillofacial Sciences, Sapienza University, Rome, Italy
| | - Gabriella Padalino
- School of Dentistry, Department of Oral and Maxillofacial Sciences, Sapienza University, Rome, Italy
| | - Roberto Di Giorgio
- School of Dentistry, Department of Oral and Maxillofacial Sciences, Sapienza University, Rome, Italy
| | - Ersilia Barbato
- School of Dentistry, Department of Oral and Maxillofacial Sciences, Sapienza University, Rome, Italy
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Abstract
The prevalence of impacted maxillary canines is 2–3%. In Caucasian populations, it is reported to be more palatally displaced than buccally, with the opposite trend seen in Asian populations. At the ages of 9–11 years, the position of the canine germ should be diagnosed, for most children through clinical supervision. In 7–10% of children, the clinical investigation must be supplemented with radiographic investigation, in most cases with intraoral radiographs. About 50% of impacted canines cause root resorption of the adjacent teeth. To detect the severity of resorption, cone-beam computed tomography is necessary. Root resorptions on incisor roots occur most often at 11–12 years of age. Early diagnosis of ectopically positioned maxillary canines is very important. In cases with palatally displaced canines and no root resorptions, extraction of the primary canines has been found in different studies to give good results. If the permanent canine has not started to normalize its position within 12 months, orthodontic treatment must be taken in consideration. Often, this is done by surgical exposure and orthodontic traction of the canine out into the dental arch.
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Zheng BW, Chen YN, Muhammed FK, Abdullah AO, Liu Y. Association of congenital missing of maxillary lateral incisors with cervical vertebral body fusions and/or atlas posterior arch deficiency. J Dent Sci 2020; 15:114-117. [PMID: 32257011 PMCID: PMC7109508 DOI: 10.1016/j.jds.2019.12.006] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2019] [Revised: 12/28/2019] [Indexed: 11/15/2022] Open
Abstract
To evaluate the association between congenital missing of maxillary lateral incisor (MLI) with cervical vertebral body fusions, posterior arch deficiency, and both anomalies. A total of 64 subjects (24 males and 40 females; mean age 16 ± 4.5 years) were detected to have congenital missing of MLI and selected as a study group. Two hundred and fifty-six subjects (87 males and 169 females, mean age 18.1 ± 3.2 years) were assigned to the control group. In the congenital absence of MLI, 53.7% revealed cervical column body fusion, 11.1% indicated a posterior arch deficiency, and 9.3% showed cervical column body fusion with posterior arch deficiency. Morphological deviations of the cervical column showed significant associations with congenital absence of MLI compared to control group (p < 0.001). There were no significant differences in gender among the study and control groups (p > 0.05). Subjects with congenial MLI tend to have an increased frequency of cervical anomaly.
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Affiliation(s)
- Bo-wen Zheng
- Department of Orthodontics, School and Hospital of Stomatology of Stomatology, China Medical University, Liaoning Provincial Key Laboratory of Oral Disease, Shenyang, PR China
| | - Yan-na Chen
- Department of Orthodontics, School and Hospital of Stomatology of Stomatology, China Medical University, Liaoning Provincial Key Laboratory of Oral Disease, Shenyang, PR China
| | - Fenik Kaml Muhammed
- Department of Orthodontics, School and Hospital of Stomatology of Stomatology, China Medical University, Liaoning Provincial Key Laboratory of Oral Disease, Shenyang, PR China
| | - Adil O. Abdullah
- School and Hospital of Stomatology, China Medical University, Liaoning Provincial Key Laboratory of Oral Disease, Shenyang, PR China
| | - Yi Liu
- Department of Orthodontics, School and Hospital of Stomatology of Stomatology, China Medical University, Liaoning Provincial Key Laboratory of Oral Disease, Shenyang, PR China
- Corresponding author. Department of Orthodontics, School and hospital of Stomatology, China Medical University, Liaoning Provincial Key Laboratory of Oral Disease, Nanjing North Street 117#, He-Ping District, Shenyang 110002, PR China.
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Orthodontic Treatment of Bilateral Impacted Mandibular Canines and a Mupparapu Type 2 Transmigration. Case Rep Dent 2019; 2019:7638959. [PMID: 31612084 PMCID: PMC6755289 DOI: 10.1155/2019/7638959] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2019] [Revised: 08/14/2019] [Accepted: 08/28/2019] [Indexed: 11/28/2022] Open
Abstract
Dental transmigration is a rare condition that mainly affects the mandibular canines. Since the tooth involved is usually impacted and its crown has crossed the midline towards the opposite side, the treatment options frequently are surgical removal or radiographic follow-up, and, in some cases, orthodontic traction is possible. In 2002, Mupparapu presented a classification for lower canines in transmigration according to their position within the mandible. This paper is aimed at describing the orthodontic treatment of a female patient with two impacted mandibular canines, one of them in a Mupparapu type 2 transmigration position (horizontal impaction position near the lower mandibular border and below the incisors' root apices). Additionally, the paper discusses the biomechanical orthodontic design and the alternative treatment options for these complex cases.
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Associations between tooth agenesis and displaced maxillary canines: a cross-sectional radiographic study. Prog Orthod 2018; 19:23. [PMID: 30027405 PMCID: PMC6053345 DOI: 10.1186/s40510-018-0226-0] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2018] [Accepted: 06/23/2018] [Indexed: 11/29/2022] Open
Abstract
Background The aim of present study was to test the association between hypodontia and displaced maxillary canine when compared with a control group. Methods The study group was composed of 336 subjects with a mean age of 10.7 ± 1.2 years, presenting with at least one missing tooth. Exclusion criteria included syndromes, craniofacial malformations, extractions and trauma history and previous orthodontic treatment. The control group consisted of 336 subjects with a mean age of 10.7 ± 1.2 years, without agenesis. Stepwise multiple logistic regression using the backwards elimination and the Wald test method was performed to identify the best combination of hypodontia and displaced maxillary canine (P < 0.05). Results The most represented category in study group consisted in mild agenesis (86.9%); moderate and severe agenesis groups respectively represented the 11.7 and 1.4% of study group. Agenesis was diagnosed in both arches in 46 subjects. Maxillary hypodontia and mandibular hypodontia was respectively detected in 156 and 134 subjects. The most frequent missing teeth were mandibular second premolars (45.8%), lateral incisors (41.7%) and maxillary second premolars (17.8%). A significant correlation between agenesis and displaced maxillary canine was observed in the study group (P < 0.05). Only the agenesis of maxillary lateral incisors remained in the final model during backward stepwise deletion. Significant association between the severity of dental agenesis and prevalence of displaced maxillary canine was not assessed. Conclusions The outcomes revealed no difference related to the severity of dental agenesis and prevalence of displaced maxillary canine. Only the agenesis of maxillary lateral incisors should be considered directly connected with displaced maxillary canine. Electronic supplementary material The online version of this article (10.1186/s40510-018-0226-0) contains supplementary material, which is available to authorized users.
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Gkantidis N, Katib H, Oeschger E, Karamolegkou M, Topouzelis N, Kanavakis G. Patterns of non-syndromic permanent tooth agenesis in a large orthodontic population. Arch Oral Biol 2017; 79:42-47. [PMID: 28288390 DOI: 10.1016/j.archoralbio.2017.02.020] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2016] [Revised: 02/23/2017] [Accepted: 02/27/2017] [Indexed: 12/26/2022]
Abstract
OBJECTIVE The aim of this study is to explore patterns of non-syndromic permanent tooth agenesis in a large orthodontic patient group. DESIGN A record review was performed in various orthodontic clinics to identify white patients with non-syndromic permanent tooth agenesis, excluding 3rd molars. Four hundred and fourteen subjects fulfilled the inclusion criteria. RESULTS In the 414 subjects with tooth agenesis, approximately 70% presented 1-2 missing teeth. Symmetric agenesis patterns were often observed in the sample (by jaw, by side, or crossed quadrants), with prevalence approaching 30% for cases with contralateral tooth agenesis within a jaw. In cases with 1 or 2 missing teeth, from the total number of potential tooth agenesis patterns in the sample, a certain part was evident, limiting the variation to 27.8% (44/158). In the entire sample, both in the maxilla and the mandible a certain incisor/premolar agenesis phenotype was observed in 59.0% of cases in isolated form. CONCLUSIONS Although there was variation in the tooth agenesis patterns, our findings suggest the involvement of particular genetic, epigenetic, and/or environmental factors in the formation of the entire dentition, which often lead to specific tooth agenesis phenotypes in cases where this process is disrupted. The present study provides a comprehensive categorization of orthodontic cases with tooth agenesis and can assist in planning future epidemiological and genetic studies.
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Affiliation(s)
- Nikolaos Gkantidis
- Department of Orthodontics and Dentofacial Orthopedics, University of Bern, Freiburgstrasse 7, CH-3010, Bern, Switzerland.
| | - Hattan Katib
- Department of Orthodontics and Dentofacial Orthopedics, University of Bern, Freiburgstrasse 7, CH-3010, Bern, Switzerland
| | - Elias Oeschger
- Department of Orthodontics and Dentofacial Orthopedics, University of Bern, Freiburgstrasse 7, CH-3010, Bern, Switzerland
| | - Marina Karamolegkou
- Department of Orthodontics, School of Dentistry, University of Athens, 2 Thivon Str, 115 27, Goudi, Athens, Greece
| | - Nikolaos Topouzelis
- Department of Orthodontics, Aristotle University of Thessaloniki, University Campus, 54 124, Thessaloniki, Greece
| | - Georgios Kanavakis
- Department of Orthodontics, Tufts University School of Dental Medicine, 1 Kneeland Street, MA 02111, Boston, USA
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Impacted Maxillary Canine Prevalence and Its Association with Other Dental Anomalies in a Mexican Population. Int J Dent 2017; 2017:7326061. [PMID: 28326102 PMCID: PMC5343273 DOI: 10.1155/2017/7326061] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2016] [Revised: 02/06/2017] [Accepted: 02/09/2017] [Indexed: 11/17/2022] Open
Abstract
Objective. We quantified the prevalence of impacted maxillary canines (IMC) and their association with other dental anomalies (DAs). Materials and Methods. A retrospective study was done with 860 patients 12 to 39 years of age. The prevalence of IMC was calculated and compared by sex. The sample was divided into a control group and an impaction group, and the prevalence was calculated in both for a series of anomalies: agenesis, supernumerary teeth, shape anomalies of the upper laterals (microdontia, peg and barrel shape, and talon cusp), fusion, gemination, other impacted teeth, transposition, and amelogenesis imperfecta. The prevalence values for both groups were compared (Pearson's χ2 test, p ≤ 0.05). Results. IMC were present in 6.04% of the sample with no difference by sex (p = 0.540). Other DAs occurred in 51.92% of the IMC group and in 20.17% of the controls (p < 0.05). Significant associations (p < 0.05) were identified between IMC and four other DAs: microdontia, barrel shape, other impacted teeth, and transposition. The prevalence of all anomalies was lower in the control group. Conclusion. IMC were seen in 6.04% of patients. Patients with this condition also had a higher prevalence of other DAs. These other anomalies should be used as risk indicators for early diagnosis.
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Bertl MH, Foltin A, Giannis K, Vasak C, Bernhart T, Strbac GD. Influence of repeat surgery on treatment time in the interdisciplinary management of impacted maxillary canines: A retrospective cohort study. J Craniomaxillofac Surg 2016; 44:843-7. [PMID: 27193479 DOI: 10.1016/j.jcms.2016.04.001] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2016] [Revised: 03/08/2016] [Accepted: 04/06/2016] [Indexed: 11/24/2022] Open
Abstract
PURPOSE To evaluate the effect of repeat surgery on treatment time in the interdisciplinary management of impacted maxillary canines. MATERIAL AND METHODS This retrospective cohort study enrolled patients referred for computed tomographic examination for impacted maxillary canines within a 5-year observational period. The occurrence of repeat surgery was analysed with regard to treatment time, canine location, and surgical exposure technique. RESULTS A total of 55 patients with 79 impacted maxillary canines were analysed. Of those, 83.6% did not present with complications that would have prompted repeat surgery during their treatment. For patients requiring repeat surgery, time until clinically visible movement of the canine was significantly longer (p < 0.001), whereas time between initial movement and eruption into the oral cavity was significantly shorter (p < 0.001). Overall treatment time did not differ significantly (p = 0.13). An open surgical exposure technique was associated with a significantly lower occurrence of repeat surgeries (p = 0.03). Bilateral impaction of canines significantly prolonged overall treatment time (p = 0.01). CONCLUSIONS In the event of initial treatment failure during the interdisciplinary management of impacted maxillary canines, repeat surgery should be considered, which has limited effect on overall treatment time. An open surgical exposure technique is preferable.
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Affiliation(s)
- Michael H Bertl
- Division of Orthodontics, University Clinic of Dentistry, Medical University of Vienna, Sensengasse 2a, 1090 Vienna, Austria
| | - Andrea Foltin
- Division of Orthodontics, University Clinic of Dentistry, Medical University of Vienna, Sensengasse 2a, 1090 Vienna, Austria
| | - Katharina Giannis
- Division of Dental Student Training and Patient Care, University Clinic of Dentistry, Medical University of Vienna, Sensengasse 2a, 1090 Vienna, Austria
| | - Christoph Vasak
- Division of Oral Surgery, University Clinic of Dentistry, Medical University of Vienna, Sensengasse 2a, 1090 Vienna, Austria
| | - Thomas Bernhart
- Division of Oral Surgery, University Clinic of Dentistry, Medical University of Vienna, Sensengasse 2a, 1090 Vienna, Austria
| | - Georg D Strbac
- Division of Oral Surgery, University Clinic of Dentistry, Medical University of Vienna, Sensengasse 2a, 1090 Vienna, Austria.
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Veli I, Yuksel B, Uysal T. Prevalence of Maxillary Permanent Canine Impaction in Relation to Anomalous Lateral Incisors. Turk J Orthod 2014. [DOI: 10.13076/tjo-d-14-00025] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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Lempesi E, Karamolegkou M, Pandis N, Mavragani M. Maxillary canine impaction in orthodontic patients with and without agenesis: a cross-sectional radiographic study. Angle Orthod 2013; 84:11-7. [PMID: 23841540 DOI: 10.2319/022413-155.1] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022] Open
Abstract
OBJECTIVE To assess potential associations between maxillary canine impaction (MCI) and agenesis status as well as between MCI and gender. MATERIALS AND METHODS The records of 182 orthodontic patients with agenesis (excluding the third molars) and 630 orthodontic patients without agenesis were examined. Diagnosis of MCI was based on pretreatment panoramic radiographs. Maxillary canines that had not erupted as a result of physical barrier or deflection in the eruption path at the dental age of at least 12 years were considered impacted. Logistic regression analysis was used to test for the associations of interest. RESULTS MCI was detected in 5.6% (n = 35) of the nonagenesis group (28 female and 7 male participants) and in 18.1% (n = 33) of the agenesis group (20 female and 13 male participants). Bilateral impaction was detected in 12 patients (34.3%) of the nonagenesis group and in 11 patients (33.3%) of the agenesis group. There was evidence that maxillary lateral incisor agenesis (odds ratio = 5.1, 95% confidence interval [CI] 2.5-10.5, P < .001) and second premolar agenesis (odds ratio = 2.6, 95% CI 1.0-6.6, P = .042) were significant MCI predictors after adjusting for gender. The odds of MCI were 69% higher in female versus male subjects after adjusting for agenesis status (95% CI 0.97-2.92, P = .063). CONCLUSIONS This study indicates that there is evidence that agenesis status is a strong predictor of MCI, whereas gender is a weak predictor of MCI. Caution should be exercised in interpreting the results because of the observational nature of the present study.
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Affiliation(s)
- Evangelia Lempesi
- a Postgraduate Student, Orthodontic Department, School of Dentistry, University of Athens, Athens, Greece
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Yan B, Sun Z, Fields H, Wang L, Luo L. Etiologic factors for buccal and palatal maxillary canine impaction: a perspective based on cone-beam computed tomography analyses. Am J Orthod Dentofacial Orthop 2013; 143:527-34. [PMID: 23561415 DOI: 10.1016/j.ajodo.2012.11.021] [Citation(s) in RCA: 51] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2012] [Revised: 11/01/2012] [Accepted: 11/01/2012] [Indexed: 11/17/2022]
Abstract
INTRODUCTION The aim of this research was to identify the etiologic factors associated with palatally impacted canines and buccally impacted canines in a Chinese population by using the cone-beam computed tomography technique. METHODS Pretreatment cone-beam computed tomography scans of 170 Chinese subjects with impacted maxillary canines and 170 age- and sex-matched subjects without impaction were used. Impacted canine subjects were divided into 2 groups: those with palatally impacted canines and those with buccally impacted canines. One rater analyzed the cone-beam computed tomography data for qualitative and quantitative variables of the teeth, dental arch, and skeletal components. The measurements were compared by using analytical statistical methods. RESULTS The mesiodistal dimension of the lateral incisor was significantly smaller in the palatally impacted canine group than in the other group (by an average of 0.4-0.5 mm; analysis of variance [ANOVA], P <0.001). Both anterior maxillary dental (interpremolar) width and skeletal width (interjugal points) in the buccally impacted canine group were significantly smaller than in the palatally impacted canine and control groups (ANOVA, P <0.001), whereas the intermolar widths and posterior mandibular widths were similar among the groups. The groups with palatally impacted or buccally impacted canines had significantly increased prevalence values of peg-shaped lateral incisors and incisor impaction, respectively (chi-square or Fisher exact tests, P <0.001). After excluding subjects who also had lateral incisor anomalies, the prevalence values of supernumerary teeth, missing premolars, or third molars combined were not different among the impaction and control groups. The average mesiodistal location of the canine cusp tip was significantly different between the buccally impacted canines and the palatally impacted canines groups; it was distal and mesial to the lateral incisor long axis, respectively. CONCLUSIONS In Chinese subjects, buccal canine impaction is mostly associated with anterior transverse (dental and skeletal) deficiency and incisor impaction, whereas palatal impaction is mostly associated with small or missing lateral incisors, consistent with the guidance theory. Likely, preimpaction migrations of the canines are mainly buccal for buccal impactions and excessively mesiopalatal for palatal impactions.
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Affiliation(s)
- Bin Yan
- School of Computer Science and Engineering, Southeast University, Nanjing, China
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Ramazanzadeh BA, Ahrari F, Hajian S. Evaluation of tooth size in patients with congenitally-missing teeth. J Dent Res Dent Clin Dent Prospects 2013; 7:36-41. [PMID: 23487169 PMCID: PMC3593203 DOI: 10.5681/joddd.2013.006] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2012] [Accepted: 12/01/2012] [Indexed: 12/15/2022] Open
Abstract
Background and aims Hypodontia is a common developmental abnormality of dentition. This study aimed to determine tooth width in patients affected with mild hypodontia and compare the results with a control group without tooth agenesis.
Materials and methods The orthodontic records of 25 patients with congenital missing of one or two teeth (hypodontia group), and 25 subjects with full dentition (control group) were selected. The greatest mesiodistal width of each tooth was measured on the study models by a digital caliper. Tooth width measurements were compared between the groups using a student t-test at p < 0.05 of significance.
Results Patients with hypodontia showed narrower teeth than the control subjects. The differences in tooth size between the two groups were statistically significant for the first and second premolars and first molar in the maxillary right and for the second premolar in the maxillary left quadrants (p < 0.05). In the lower arch, the first and second premolars and also first molar in both sides of hypodontia patients demonstrated significant reduction in tooth size compared to the control group (p < 0.05).
Conclusion These findings suggest that patients with mild hypodontia have narrower teeth than normal subjects especially in posterior segments, which may have clinical implications during the orthodontic treatment process.
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Affiliation(s)
- Barat-Ali Ramazanzadeh
- Professor of Orthodontics, Dental Research Center, Mashhad University of Medical Sciences, Mashhad, Iran
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Mercuri E, Cassetta M, Cavallini C, Vicari D, Leonardi R, Barbato E. Dental anomalies and clinical features in patients with maxillary canine impaction. Angle Orthod 2013; 83:22-28. [PMID: 22639824 PMCID: PMC8805528 DOI: 10.2319/021712-149.1] [Citation(s) in RCA: 49] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2012] [Accepted: 04/01/2012] [Indexed: 07/29/2023] Open
Abstract
OBJECTIVE To analyze the prevalence, distribution, clinical features, and relationship with dental anomalies of maxillary canine impaction. MATERIALS AND METHODS The complete pretreatment records of 1674 orthodontic patients were examined. Subjects with maxillary impacted canines were divided into two study groups: a palatally displaced canine (PDC) group (114 patients) and a buccally displaced canine (BDC) group (37 patients). These were compared to a control group of 151 patients who were randomly selected from the initial sample without maxillary canine impaction. The significance of associations between canine impaction and dental and clinical features and anomalies was examined with the chi-square test. RESULTS PDC patients presented with normal overjet and facial profile and a lower degree of dental arch crowding in comparison to the control patients. PDC patients showed a higher prevalence of impaction of other teeth, dental aplasia, transposition, and peg-shaped maxillary lateral incisors (odds ratios 3.3, 2.6, 8.3, and 5.8, respectively). CONCLUSION PDC was frequently the only orthodontic problem of patients. BDC group patients did not present with notable differences in clinical and dental features or dental anomalies compared to control subjects.
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Affiliation(s)
- Emanuele Mercuri
- Research Assistant, Department of Oral and Maxillofacial Sciences, School of Dentistry, “Sapienza” University of Rome, Rome, Italy
| | - Michele Cassetta
- Assistant Professor, Department of Oral and Maxillofacial Sciences, School of Dentistry, “Sapienza” University of Rome, Rome, Italy
| | - Costanza Cavallini
- Research Assistant, Department of Radiology, “Sapienza” University of Rome, Rome, Italy
| | - Donatella Vicari
- Professor, Department of Statistics, “Sapienza” University of Rome, Rome, Italy
| | - Rosalia Leonardi
- Professor, Department of Orthodontics, School of Dentistry, University of Catania, Catania, Italy
| | - Ersilia Barbato
- Professor, Department of Oral and Maxillofacial Sciences, School of Dentistry, “Sapienza” University of Rome, Rome, Italy
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