Impacted Mandibular Third Molars and Their Influence on Mandibular Angle and Condyle Fractures

被引:7
|
作者
Mehra, Anhad [1 ]
Anehosur, Venkatesh [1 ]
Kumar, Niranjan [2 ]
机构
[1] SDM Coll Dent Sci & Hosp, Dept Oral & Maxillofacial Surg, Dharwad 580009, Karnataka, India
[2] SDM Coll Med Sci & Hosp, SDM Craniofacial Unit & Res Ctr, Dharwad, Karnataka, India
关键词
mandibular angle; mandibular condyle; fractures; third molar; impaction; angulation; RISK-FACTOR; TRAUMA; ETIOLOGY; POSITION; PATTERN;
D O I
10.1055/s-0039-1685459
中图分类号
R78 [口腔科学];
学科分类号
1003 ;
摘要
The aim of this study is to retrospectively analyze the effect unerupted or partially erupted third molars have on the angle and condyle fracture patterns of the mandible. It also focuses on evaluating the type of impaction that causes angle fracture and the level at which the condyle most commonly fractures. The study involves all the patients who had undergone treatment for condylar and angle of the mandible fractures from 2010 to 2017 in our craniofacial center. The case records and orthopantomograms of each patient were taken into consideration and a correlation was established based on gender, age, etiology, presence of third molars, position of third molars, angulation, and root development of third molars. Of the 150 angle fracture patients, 146 had third molars and 4 did not, whereas of the 130 condyle fractures, third molar was present in 54 patients and absent in 76. The prevalence of angle fractures was statistically significant when a third molar was present, whereas the prevalence of condyle fractures was higher when third molar was absent. The results of age, etiology, angulation, position, and root development of third molars were also statistically significant. However, sex of the patient did not influence the fracture pattern. The presence of an impacted third molar or a completely erupted one has a definite influence on the fracture pattern of the mandible. The occurrence of angle and condyle fractures was mostly affected by the continuity of the cortical bone at the angle of the mandible. Hence, prophylactic removal of mandibular third molars does increase the risk of condyle fractures.
引用
收藏
页码:291 / 300
页数:10
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