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2022-01-01
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THIRD MOLAR AND THEIR RELATIONSHIP WITH CARIES ON THE DISTAL SURFACE OF SECOND MOLAR: A META-ANALYSIS
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Universidade Federal dos Vales do Jequitinhonha e Mucuri. Faculdade de Odontologia. Diamantina, MG, Brasil.
Universidade Federal de Minas Gerais. Faculdade de Odontologia. Departamento de Odontologia e Ortodontia Pediátrica. Belo Horizonte, MG, Brasil.
Universidade Federal dos Vales do Jequitinhonha e Mucuri. Faculdade de Odontologia. Diamantina, MG, Brasil.
Fundação Oswaldo Cruz. Instituo Rene Rachou. Belo Horizonte, MG, Brasil.
Universidade Federal dos Vales do Jequitinhonha e Mucuri. Faculdade de Odontologia. Diamantina, MG, Brasil.
Universidade Federal dos Vales do Jequitinhonha e Mucuri. Faculdade de Odontologia. Diamantina, MG, Brasil / Hospital Santa Casa de Caridade de Diamantina. Diamantina, MG, Brasil.
Universidade Federal de Minas Gerais. Faculdade de Odontologia. Departamento de Odontologia e Ortodontia Pediátrica. Belo Horizonte, MG, Brasil.
Universidade Federal dos Vales do Jequitinhonha e Mucuri. Faculdade de Odontologia. Diamantina, MG, Brasil.
Fundação Oswaldo Cruz. Instituo Rene Rachou. Belo Horizonte, MG, Brasil.
Universidade Federal dos Vales do Jequitinhonha e Mucuri. Faculdade de Odontologia. Diamantina, MG, Brasil.
Universidade Federal dos Vales do Jequitinhonha e Mucuri. Faculdade de Odontologia. Diamantina, MG, Brasil / Hospital Santa Casa de Caridade de Diamantina. Diamantina, MG, Brasil.
Abstract
Purpose: The aim of this meta-analysis was to determine which characteristics of mandibular third molars (MTMs) are more often associated with an increase in the prevalence/incidence of caries on the distal surface of mandibular second molars (MSMs). Methods: Three electronic databases were analyzed: PubMed; OVID and the Virtual Health Library. Observational studies were included, and the risk of bias was assessed using The Newcastle-Ottawa Scale. The Comprehensive Meta-Analysis software program was used for meta-analysis. Results: Fifteen studies were included in this systematic review, and five were included in the meta-analysis. The distal surface of MSMs were more likely to exhibit caries in the following scenarios: when MTMs were found in the A position, rather than the C position (OR: 3.45, 95% CI: 2.28-5.22, p<0.001); when the horizontal position was compared with the vertical (OR: 8.12, 95% CI: 3.75-17.58, p<0.001) and distoangular (OR: 9.75, 95% CI: 3.49 - 27.25, p<0.001) positions; and when the mesioangular position was compared with the vertical (OR: 7.25, 95% CI: 3.48-15.10, p<0.001) and distoangular (OR: 9.54, 95% CI: 3.47 - 26.21, p<0.001) positions. Conclusion: The results of this study suggest that the presence of MTMs increases the incidence of caries on the distal surface of MSMs. Furthermore, caries on the distal surface of MSMs is more commonly associated with position A and horizontal and mesioangular mandibular molars.
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