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      Multidisciplinary management of congenitally missing lateral incisors: A minimally invasive approach

      case-report

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          Abstract

          The following case report demonstrates how a multidisciplinary team approach can be utilized successfully for the minimally invasive esthetic treatment of congenitally missing maxillary lateral incisors through space closure and canine re‐anatomization.

          Abstract

          The following study presents the treatment of a 15 year old female girl presenting with missing maxillary lateral incisors. The maxillary canines were protracted into the lateral incisor spaces using orthodontic fixed appliances, and the maxillary buccal segment teeth were protracted to esthetic, functional positions. A minimally invasive approach was chosen for canine re‐anatomization by the fabrication of direct veneers using composite resin restorations.

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          Most cited references18

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          A meta-analysis of the prevalence of dental agenesis of permanent teeth.

          To gain more insight into the prevalence of dental agenesis. Data from Caucasian populations in North America, Australia and Europe were included in a meta-analysis. For the prevalence of African American, Chinese and Arab groups only indications could be reported because of a limited number of studies. Agenesis differs by continent and gender: the prevalence for both sexes was higher in Europe (males 4.6%; females 6.3%) and Australia (males 5.5%; females 7.6%) than for North American Caucasians (males 3.2%; females 4.6%). In addition, the prevalence of dental agenesis in females was 1.37 times higher than in males. The mandibular second premolar was the most affected tooth, followed by the maxillary lateral incisor and the maxillary second premolar. The occurrence of dental agenesis was divided into three main groups: common (P2(i) > I2(s) > P2(s)), less common (I1(i) > I2(i) & P1(s) > C(s) & M2(i)) and rare (M2(s) & M1(s) > C(i) > M1(i) & I1(s)). Unilateral occurrence of dental agenesis is more common than bilateral occurrence. However, bilateral agenesis of maxillary lateral incisors is more common than unilateral agenesis. The overall prevalence of agenesis in the maxilla is comparable with that in the mandible, but a marked difference was found between both jaws regarding tooth type. Absence of one or two permanent teeth is found in 83% of the subjects with dental agenesis. A practical application of the results of the meta-analysis is the estimation of dental treatment need. Copyright Blackwell Munksgaard, 2004
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            The congenitally missing upper lateral incisor. A retrospective study of orthodontic space closure versus restorative treatment.

            Orthodontic treatment for patients with uni- or bilateral congenitally missing lateral incisors is a challenge to effective treatment planning. The two major alternatives, orthodontic space closure or space opening for prosthetic replacements, can both compromise aesthetics, periodontal health, and function. The aim of this retrospective study was to examine treated patients who had congenitally missing lateral incisors and to compare their opinion of the aesthetic result with the dentists' opinions of occlusal function and periodontal health. In this sample, 50 patients were identified. Thirty had been treated with orthodontic space closure, and 20 by space opening and a prosthesis (porcelain bonded to gold and resin bonded bridges). The patient's opinion of the aesthetic result was evaluated using the Eastman Esthetic Index questionnaire and during a structured interview. The functional status, dental contact patterns, periodontal condition, and quality of the prosthetic replacement was evaluated. In general, subjects treated with orthodontic space closure were more satisfied with the appearance of their teeth than those who had a prosthesis. No significant differences in the prevalence of signs and symptoms of temporomandibular dysfunction (TMD) were found. However, patients with prosthetic replacements had impaired periodontal health with accumulation of plaque and gingivitis. The conclusion of this study is that orthodontic space closure produces results that are well accepted by patients, does not impair temporomandibular joint (TMJ) function, and encourages periodontal health in comparison with prosthetic replacements.
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              Mandibular lateral incisor-canine transposition, concomitant dental anomalies, and genetic control.

              Mandibular lateral incisor-canine (Mn.I2.C) transposition is a rare developmental disturbance of tooth order characterized by positional interchange of the two teeth. In children with Mn.I2.C anomaly, the mandibular lateral incisor shows distal ectopic eruption and the adjacent canine subsequently erupts mesial to it. A sample of 60 orthodontic patients with Mn.I2.C transposition was studied using roentgenograms taken at the time of diagnosis. Two age-related phenotypes of the anomaly were identified: early-stage (median age, 9 years) and mature-stage (median age, 12 years). Mn.I2.C transposition occurred bilaterally in 10 subjects (17%) and favored female expression (sex ratio, M1:F3) and right-side occurrence (68% of unilateral cases). Statistically significant associations were found between Mn.I2.C transposition and increased frequency of tooth agenesis (M3, p < 0.01; MnP2, p < 0.01) and peg-shaped maxillary lateral incisors (p < 0.0001). The results from this study and the analysis of 50 previously published cases provide evidence that Mn.I2.C transposition is a disturbance of tooth order and eruptive position probably caused by genetic influences. The Mn.I2.C anomaly likely results from genetic mechanisms similar to those responsible for occurrences of its associated dental anomalies, such as tooth agenesis and peg-shaped maxillary lateral incisors. In an appendix, clinical orthodontic management of Mn.I2.C transposition is discussed, based on treatment data derived from the study sample.
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                Author and article information

                Contributors
                a_bengassem@hotmail.com
                Journal
                Clin Case Rep
                Clin Case Rep
                10.1002/(ISSN)2050-0904
                CCR3
                Clinical Case Reports
                John Wiley and Sons Inc. (Hoboken )
                2050-0904
                26 July 2021
                July 2021
                : 9
                : 7 ( doiID: 10.1002/ccr3.v9.7 )
                : e04521
                Affiliations
                [ 1 ] Department of Pediatric Dentistry and Orthodontics College of Dentistry Taibah University AlMadinah AlMunawwarah Saudi Arabia
                [ 2 ] Department of Restorative Dental Science College of Dentistry Taibah University AlMadinah AlMunawwara Saudi Arabia
                Author notes
                [*] [* ] Correspondence

                Afnan Ben Gassem, Department of Orthodontics, College of Dentistry, Madinah, P.O Box 41311, Saudi Arabia.

                Email: a_bengassem@ 123456hotmail.com

                Author information
                https://orcid.org/0000-0002-9576-960X
                Article
                CCR34521
                10.1002/ccr3.4521
                8311912
                34336211
                b83bb12e-fc7a-48a4-b73c-bf244e6b84f2
                © 2021 The Authors. Clinical Case Reports published by John Wiley & Sons Ltd.

                This is an open access article under the terms of the http://creativecommons.org/licenses/by-nc-nd/4.0/ License, which permits use and distribution in any medium, provided the original work is properly cited, the use is non‐commercial and no modifications or adaptations are made.

                History
                : 27 May 2021
                : 20 March 2021
                : 04 June 2021
                Page count
                Figures: 5, Tables: 0, Pages: 0, Words: 3164
                Categories
                Case Report
                Case Report
                Custom metadata
                2.0
                July 2021
                Converter:WILEY_ML3GV2_TO_JATSPMC version:6.0.4 mode:remove_FC converted:26.07.2021

                canine re‐anatomization,congenitally missing lateral incisors,hypodontia,minimal invasive management,orthodontic space closure

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