Mandibular Third Molar Position Influencing the Condylar and Angular Fracture Patterns

被引：22

作者：

Revanth Kumar S. ^{[1
]}

Sinha R. ^{[1
]}

Uppada U.K. ^{[1
]}

Ramakrishna Reddy B.V. ^{[1
]}

Paul D. ^{[1
]}

机构：

[1] Department of Oral and Maxillofacial Surgery, Sri Sai College of Dental Surgery, Vikarabad, Telangana

来源：

Journal of Maxillofacial and Oral Surgery | 2015年 / 14卷 / 4期

关键词：

Angle fracture; Condyle fracture; Mandibular impacted 3rd molar; Pedersen difficulty index;

D O I：

10.1007/s12663-015-0777-2

中图分类号：

学科分类号：

摘要：

Purpose: The aim of this study was to assess the influence of position of mandibular 3rd molar on angle and condylar fractures. Materials and Methods: Panoramic radiographs were used to determine the mandibular fracture patterns based on the presence or absence of the third molar. Results: Of the 64 patients with mandibular fractures, condyle and angle fractures were found to be 67 and 33 % respectively. The greatest percentage (75 %) of condylar fractures were associated with erupted third molar teeth, and 25 % had impacted teeth. Subcondylar region was found to be the most common site that predisposes to fracture. Moderate force lead to condylar fracture when third molar is erupted or absent and mild force showed angle fracture when third molar is impacted. Increased incidence of angle fracture was observed when tooth is in mesioangular and distoangular position. Conclusion: Impacted mandibular 3rd molar leads to an increased risk of angle fracture and decreased risk of condylar fracture especially when they are more deeply seated. © 2015, The Association of Oral and Maxillofacial Surgeons of India.

引用

页码：956 / 961

页数：5

共 23 条

[1]

Meisami T., Sojat A., Sandor G.K.B., Lawrence H.P., Clokie C.M.L., Impacted third molars and risk of angle fracture, Int J Oral Maxillofac Surg, 31, 2, pp. 140-144, (2002)

[2]

Lee J.T., Dodson T.B., The effect of mandibular third molar presence and position on the risk of an angle fracture, J Oral Maxillofac Surg, 58, 4, pp. 394-398, (2000)

[3]

Weiss L., Static loading of the mandible, Oral Surg Oral Med Oral Pathol, 19, (1965)

[4]

Safdar N., Meechan J., Relationship between fractures of the mandibular angle and the presence and state of eruption of the lower third molar, Oral Surg Oral Med Oral Pathol Oral Radiol Endod, 79, 6, pp. 680-684, (1995)

[5]

Maaita J., Alwrikat A., Is the mandibular third molar a risk factor for mandibular angle fracture?, Oral Surg Oral Med Oral Pathol Oral Radiol Endod, 89, 2, (2000)

[6]

Ugboko V.I., Oginni F.O., Owotade F.J., An investigation into the relationship between mandibular third molars and angle fractures in Nigerians, Br J Oral Surg, 38, pp. 427-429, (2000)

[7]

Zhu S.J., Choi B.H., Kim H.J., Park W.S., Huh J.Y., Jung J.H., Kim B.Y., Lee S.H., Relationship between the presence of unerupted mandibular third molars and fractures of the mandibular condyle, Int J Oral Maxillofac Surg, 34, 4, pp. 382-385, (2005)

[8]

Duan D.H., Zhang Y., Does the presence of mandibular third molars increase the risk of angle fracture and simultaneously decrease the risk of condylar fracture?, Int J Oral Maxillofac Surg, 37, 1, pp. 25-28, (2008)

[9]

Winter G.B., Impacted third molars, pp. 241-279, (1926)

[10]

Pell G., Gregory G., Impacted mandibular third molars, classification and modified technique for removal, Dental Dig, 39, pp. 330-338, (1993)

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