The relationship between the status and position of third molars and the presence of mandibular angle and condylar fractures

Brucoli, Matteo; Romeo, Irene; Pezzana, Andrea; Boffano, Paolo; Benech, Arnaldo

doi:10.1007/s10006-019-00811-z

Cited by 17 publications

(19 citation statements)

References 26 publications

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“…Assim, a presença desses dentes pode tornar a região de ângulo mais suscetível a fraturas, ao considerar que descontinuam pilares de resistência conferidos por estruturas anatômicas que naturalmente protegem o ângulo mandibular de forças externas propagadas, além de diminuírem a secção transversal óssea nessa área (BRUCOLI et al, 2019).…”

Section: Brazilian Journal Ofunclassified

“…Ademais, a superfície lingual da mandíbula na região do segundo e terceiro molares é um local de tensão máxima de tração resultante da aplicação ântero-lateral de força no mesmo lado. Assim, características anatômicas associadas a forças aplicadas nessa região fazem do ângulo mandibular uma área de maior propensão a fraturas por apresentar maior fragilidade e suscetibilidade a tensões (BRUCOLI et al, 2019).…”

Section: Introductionunclassified

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Associação entre a presença de terceiros molares inferiores não erupcionados e o risco de fratura de ângulo mandibular / Association between the presence of unerupted mandibular third molars and the risk of mandibular angle fracture

Guilherme¹,

Ferreira²,

Moreira³

et al. 2021

Braz. J. Hea. Rev.

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RESUMOExiste uma hipótese levantada na literatura de que a presença de terceiros molares não erupcionados interfere em características biomecânicas da mandíbula, de forma que a região de ângulo mandibular fica mais suscetível a fraturas. Assim, o objetivo deste trabalho foi investigar essa possível associação. Metodologia: Revisão bibliográfica de caráter qualitativo em que se realizou coleta de dados nas plataformas SCIELO e PUBMED usando os descritores: Fratura Mandibular, Ângulo Mandibular, Terceiros Molares, Dentes não Erupcionados e Dentes Impactados. Resultados: Foram incluídos na pesquisa 20 artigos que concordam no que diz respeito à associação entre fraturas de ângulo mandibular e a presença e terceiros molares não irrompidos, porém divergem quando se trata da influência do grau de impactação e angulação desses dentes na ocorrência de fraturas angulares. Conclusão: É possível inferir que a presença de terceiros molares está associada a fraturas de ângulo mandibular, porém novos estudos devem ser desenvolvidos, abordando a influência do posicionamento desses dentes nesta associação.

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Section: Brazilian Journal Ofunclassified

Section: Introductionunclassified

Associação entre a presença de terceiros molares inferiores não erupcionados e o risco de fratura de ângulo mandibular / Association between the presence of unerupted mandibular third molars and the risk of mandibular angle fracture

Guilherme¹,

Ferreira²,

Moreira³

et al. 2021

Braz. J. Hea. Rev.

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“…About 60% of mandibular fractures have injuries with tooth involvement 5–8 . Conversely, it is also true that a mandible containing teeth has a higher susceptibility for fractures 9 . Fractures of the mandible, including teeth, are always in communication with the oral cavity.…”

Section: Introductionmentioning

confidence: 99%

“…[5][6][7][8] Conversely, it is also true that a mandible containing teeth has a higher susceptibility for fractures. 9 Fractures of the mandible, including teeth, are always in communication with the oral cavity. The involved teeth may have exposed root surfaces or periapical involvement.…”

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confidence: 99%

Prognosis of teeth in mandibular fracture lines

Lee

Kim

Shin

et al. 2021

Dental Traumatology

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Background/Aims Teeth in a jaw fracture line, because of the presence of the periodontal ligament, may communicate with the oral cavity. There are no guidelines for the management of teeth in mandibular fracture lines. The aim of this study was to investigate the factors related to dental problems with teeth involved in mandibular fracture lines and to determine the best treatment option. Material and Methods This retrospective study was based on the medical and radiographic records of patients with mandibular fractures. The relationships among the patient’s age, gender, smoking history, amount of bony displacement, surgery, trauma‐surgery period, apical involvement, tooth mobility, and periodontal status were investigated. Group comparisons were performed using the chi‐squared test, Fisher’s exact test, and Mann–Whitney U‐test. Result A total of 238 patients (247 fracture lines) with mandibular fractures including a tooth in the line of the fracture were examined. Post‐operative dental complications occurred in 42 cases (17.0%). Extraction of related teeth occurred in 34 cases (80.9%) compared to eight cases (19.0%) related to root canal therapy. This study defined “dental problem” as “a case with a tooth extracted or endodontically treated after trauma.” The variables associated with an increased risk of dental problems were the amount of bony displacement (p < .01), tooth mobility (p < .01), and pre‐existing marginal alveolar bone loss (p = .027). Conclusion The prognosis of teeth in mandibular fracture lines was related to tooth mobility, periodontal state, and the amount of bony displacement.

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“…M3s as a research spot in relation to the fractures of the mandibular angle and condyle. The majority of these studies showed that the existence of lower M3 might influence the mandibular angular fractures while its absence may influence fractures toward the mandibular condyle [7][8][9][10] . However, their findings were discordant 11 .…”

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confidence: 99%

The influence of wisdom tooth impaction and occlusal support on mandibular angle and condyle fractures

Al-Sharani

Zhang

Mashrah

et al. 2021

Sci Rep

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This study aimed to analyze the relationship of the occlusal support together with the lower third molars to the mandibular fractures of the angle and condyle among patients in our medical institutions. This was a retrospective study that reviewed the medical records and radiographs of all patients treated for mandibular fractures from 2015 to 2019. The data collected by using picture archiving and communicating system. Only records with mandibular angle or condyle fractures were included. The dependent variable was the presence of the fractures of the mandibular angle or condyle. The independent variables were epidemiological data, third molar characteristics, existence or absence of occlusal support. The data was analyzed through Univariate logistic regression and multivariate logistic regression. From a total of 187 mandibular fractures, 44 presented mandibular angle fracture and 29 shown condyle fractures. The average age was 40.34 ± 13.47 years. The absence of occlusal support increased the chance of condyle fractures by 5.1 times (95% CI 1.61–17.29). The lack of occlusal support is more associated with condyle fractures than the presence of occlusal support, regardless of third molar presence and characteristics and other variables evaluated.

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The relationship between the status and position of third molars and the presence of mandibular angle and condylar fractures

Cited by 17 publications

References 26 publications

Associação entre a presença de terceiros molares inferiores não erupcionados e o risco de fratura de ângulo mandibular / Association between the presence of unerupted mandibular third molars and the risk of mandibular angle fracture

Associação entre a presença de terceiros molares inferiores não erupcionados e o risco de fratura de ângulo mandibular / Association between the presence of unerupted mandibular third molars and the risk of mandibular angle fracture

Prognosis of teeth in mandibular fracture lines

The influence of wisdom tooth impaction and occlusal support on mandibular angle and condyle fractures

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