Relationship between mandibular condyle and angle fractures and the presence of mandibular third molars

Journal of the Korean Association of Oral and Maxillofacial Surgeons
Deuk-Hyun MahJae-Seek You

Abstract

We retrospectively evaluated the impact of mandibular third molars on the occurrence of angle and condyle fractures. This was a retrospective investigation using patient records and radiographs. The sample set consisted of 440 patients with mandibular fractures. Eruption space, depth and angulation of the third molar were measured. Of the 144 angle fracture patients, 130 patients had third molars and 14 patients did not. The ratio of angle fractures when a third molar was present (1.26 : 1) was greater than when no third molar was present (0.19 : 1; odds ratio, 6.58; P<0.001). Of the 141 condyle fractures patients, the third molar was present in 84 patients and absent in 57 patients. The ratio of condyle fractures when a third molar was present (0.56 : 1) was lower than when no third molar was present (1.90 : 1; odds ratio, 0.30; P<0.001). The increased ratio of angle fractures with third molars and the ratio of condyle fractures without a third molar were statistically significant. The occurrence of angle and condyle fractures was more affected by the continuity of the cortical bone at the angle than by the depth of a third molar. These results demonstrate that a third molar can be a determining factor in angle and condyle fra...Continue Reading

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Oct 21, 2016·Journal of Oral Biology and Craniofacial Research·Arunesh TiwariMadan Mishra
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Nov 14, 2019·Craniomaxillofacial Trauma & Reconstruction·Anhad MehraNiranjan Kumar
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