Association between impacted mandibular third molar and occurrence of mandibular angle fracture: A radiological study

Sohal, Karpal Singh; Moshy, Jeremiah Robert; Owibingire, Sira Stanslaus; Simon, Elison N. M.

doi:10.4103/jomr.jomr_17_19

Cited by 6 publications

(6 citation statements)

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“…and Sohal et al , thus emphasising the fact that partially or completely impacted third molars are significantly associated with angle fractures than the condylar fractures while partially and fully erupted third molars are more associated with the condylar fractures. [ 3 , 10 , 12 , 13 , 20 ] Lee et al . also suggested that class IIIC and IA exhibited the least association with angle fractures which partially coincides with our results.…”

Section: Discussionmentioning

confidence: 99%

Does the Impacted Mandibular Third Molar Increase the Risk of Angle Fracture to Prevent the Incidence of Condylar Fracture? – A Retrospective Analysis

Venkatachalam

Pandiarajan

2022

Annals of Maxillofacial Surgery

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Introduction: This study aimed to retrospectively analyse the influence of the presence or absence of third molars and its position on the incidence of angle and condylar fractures of mandible. Methodology: A retrospective cross-sectional analysis of 148 patients with mandibular fractures was done. A complete analysis of their clinical records and their radiological data was done. The primary predictor variable was the presence or absence of third molars and their positional status (Pell and Gregory’s classification) if present. The outcome variable was the type of fracture and other predictor variables included age, gender and fracture aetiology. Data were subjected to statistical analysis. Results: We observed that out of 48 patients with angle fractures, third molar was present in 67.34% and in 51.35% of 37 patients with condylar fractures, and there existed a positive correlation between the both. A significant association between the position of the teeth (Class II, III and Position B), angle fractures and (Class I, II, Position A) and condylar fractures was observed. Conclusion: Angular fractures were associated with superficial and deep impactions and condylar fractures were associated with superficial impactions. No association was observed with the age, gender or mechanism of injury to the pattern of fractures. Impacted mandibular molars increase the risk of angle fracture, thereby preventing the force transmission to the condyle, and the absence or a fully erupted tooth increases the risk of condylar fractures.

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Section: Discussionmentioning

confidence: 99%

Does the Impacted Mandibular Third Molar Increase the Risk of Angle Fracture to Prevent the Incidence of Condylar Fracture? – A Retrospective Analysis

Venkatachalam

Pandiarajan

2022

Annals of Maxillofacial Surgery

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“…12 A study from Tanzania reported the presence of an impacted third molar in more than half (59.7%) of the fractures of mandibular angles. 13 Out of 268 OPGs, angle fracture was present in about a quarter (25.4%) of them. They found that most of the impacted thirds molars had the mesioangular inclination (44.3%), Class II (72.2%), and Position A (60.8%) with the presence of impacted molars in more than half (59.7%) of the mandibular angle fractures.…”

Section: Discussionmentioning

confidence: 99%

“…They concluded that there are about nine times higher chances of mandibular fractures in the presence of an impacted third molar. 13 Another study reported that the prevalence of impacted mandibular third molars was 26.04%. 14 After analyzing panoramic radiographs and intraoral periapical radiographs of patients.…”

Section: Discussionmentioning

confidence: 99%

Frequency of Impacted Third Molar in Mandibular Angle Fractures in Patients Presenting to Ayub Teaching Hospital

Ahmad¹,

Khan²,

Jamal³

et al. 2022

JRMC

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Mandibular fractures are one of the commonest maxillofacial injury. Fractures take place at various locations. Mandibular angle fracture susceptibility in addition to being associated to the type and direction of impact is also associated with impacted 3rd molar.The objective of the study is to determine the frequency of impacted third molar in mandibular angle fracture.This descriptive cross-sectional study was performed for a period of six months on one hundred and twenty-two patients with mandibular. OPG was done to determine the state of 3rd molar tooth. The states of 3rd molar tooth along with its inclination were noted on a proforma.The frequency of 3rd molar impaction in fractures of angle of mandible was 36.1%. Young age (less than 31 years in this study) was significantly associated with development of impacted 3rd molar tooth (p < 0.05).Individuals with impacted 3rd molar should be educated about the possibility of the fracture of mandibular angle so that preventive measures can be adopted.

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“…It has been reported that the impacted state of them can affect the anatomical relationship of the transition area to a certain extent [12]. The shape, position and inclination of M3 are regularly utilized to assess the di culty of the extraction of M3 in maxillofacial surgery [13].…”

Section: Introductionmentioning

confidence: 99%

Three-dimensional analysis of the relationship between mandibular retromolar space and impacted third molars types in non-hyperdivergent adults

Huang

Cheng

Yang

et al. 2022

Preprint

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Background The anatomical position of the mandibular third molars(M3)is located in the posterior space of the molars, and many two-dimensional studies on them in the previous literature. This study evaluated the relationship between retromolar space(RS) and different impacted classifications of M3 in three‑dimensional(3D) cone‑beam computed tomography(CBCT). Methods 206 mandibular third molars from 103 patients were included and separately separated into three classifications concurring to four classification criteria which included PG-A/B/C, PG-I/II/III, mesiodistal angle and buccolingual angle. 3D hard tissue models were reconstructed by CBCT digital imaging. RS was measured respectively by utilizing the fitting WALA ridge plane (WP)which was fitted by the least square method and the occlusal plane(OP) as reference planes. The SPSS (version 26) was used to analyze the data. Results In all classifications of classification criteria, RS diminished steadily from the crown to the root (p < 0.05), the minimum was at the root tip. From PG-A classification, PG-B classification to PG-C classification and from PG-I classification, PG-II classification to PG-III classification, RS both appeared a diminishing tendency (p < 0.05). As the degree of mesioangula impaction diminished, RS appeared an expanding trend (p < 0.05). RS in classification criteria of buccolingual angle had no statistical difference(p > 0.05). Conclusions RS were related to the impacted classifications of M3. With the increment of the impacted degree of M3 ,the retromolar space gradually diminished. In clinic, RS can be evaluated by watching the PG classification and mesial angle of M3.

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Association between impacted mandibular third molar and occurrence of mandibular angle fracture: A radiological study

Cited by 6 publications

References 0 publications

Does the Impacted Mandibular Third Molar Increase the Risk of Angle Fracture to Prevent the Incidence of Condylar Fracture? – A Retrospective Analysis

Does the Impacted Mandibular Third Molar Increase the Risk of Angle Fracture to Prevent the Incidence of Condylar Fracture? – A Retrospective Analysis

Frequency of Impacted Third Molar in Mandibular Angle Fractures in Patients Presenting to Ayub Teaching Hospital

Three-dimensional analysis of the relationship between mandibular retromolar space and impacted third molars types in non-hyperdivergent adults

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