Lingual Nerve Injury During Impacted Mandibular Third Molar Surgery
Anam Rafiq1,2,3, Iram Abbas4, Najia Sajjad Khan
1Department of Dentistry, Ayub Teaching Hospital, Abbottabad, Pakistan.
Summary
Lingual nerve injury (LNI) occurred in 3.3% of patients undergoing mandibular third molar removal. Risk factors include impaction type, lingual flap retraction, tooth splitting, and longer surgery duration.
Area of Science:
- Oral and Maxillofacial Surgery
- Surgical Outcomes Research
Background:
- Lingual nerve injury (LNI) is a potential complication of mandibular third molar extraction.
- Identifying risk factors is crucial for preventing LNI.
Purpose of the Study:
- To determine the incidence of lingual nerve injury (LNI) during mandibular third molar surgery.
- To identify surgical factors associated with LNI.
Main Methods:
- A descriptive study involving 121 patients undergoing impacted third molar surgery.
- Data collected via interviews and follow-up at 1 week, 1 month, and 3 months.
- Analysis of LNI frequency and association with surgical steps.
Main Results:
- The frequency of LNI was 3.3% (4 out of 121 patients).
- Significant associations were found between LNI and horizontal impaction (p=0.047), lingual flap retraction (p<0.001), and tooth splitting (p=0.029).
- Longer surgical duration was also significantly associated with LNI.
Conclusions:
- The incidence of LNI in this cohort was 3.3%.
- Horizontal impaction, lingual flap retraction, tooth splitting, and surgeries exceeding 30 minutes are significant risk factors for LNI.
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