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Mandibular fracture after third molar removal.

M Krimmel¹, S Reinert

¹Department of Oral and Maxillofacial Surgery, University of Tübingen, Germany. Michael.Krimmel@med.uni-tuebingen.de

Journal of Oral and Maxillofacial Surgery : Official Journal of the American Association of Oral and Maxillofacial Surgeons

|October 6, 2000

Summary

Advanced age and full dentition are key risk factors for mandibular fractures after third molar removal. Preexisting bone lesions also increase fracture risk, making age and dental status crucial considerations.

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Area of Science:

Oral and Maxillofacial Surgery
Dental Traumatology

Background:

Mandibular fracture is a rare but serious complication following impacted lower third molar removal.
Understanding predisposing factors is crucial for patient safety and surgical planning.

Purpose of the Study:

To retrospectively analyze the factors contributing to mandibular fractures after impacted lower third molar extraction.
To identify high-risk patient profiles for this specific complication.

Main Methods:

Clinical and radiographic examination of six patients who experienced mandibular fractures post-third molar removal.
Retrospective analysis of patient demographics, dentition status, and impaction grades.

Main Results:

Fractures occurred an average of 14 days postoperatively.

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Affected patients were aged 42-50 years and were fully dentulous.

All impaction grades were represented, suggesting impaction severity is less critical.

Conclusions:

Advanced age combined with a full dentition appears to be the primary risk factor.
Preexisting mandibular bone lesions significantly increase susceptibility to fracture.
Surgical planning should consider patient age and dentition to mitigate fracture risk.