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Lingual nerve damage after mandibular third molar surgery: a randomized clinical trial
Ana Cláudia Amorim Gomes1, Belmiro Cavalcanti do Egito Vasconcelos, Emanuel Dias de Oliveira e Silva
1Department of Oral and Maxillofacial Surgery, University of Pernambuco, Camaragibe, Brazil.
Summary
Lingual flap retraction during mandibular third molar surgery significantly increases the risk of temporary lingual nerve damage. Avoiding this technique is crucial for preventing nerve injury in patients undergoing this procedure.
Area of Science:
- Oral and Maxillofacial Surgery
- Surgical Complications
- Nerve Injury
Background:
- Mandibular third molar removal is a common surgical procedure.
- Lingual nerve damage is a potential complication, leading to altered sensation.
- The role of lingual flap retraction in nerve injury requires further clinical evaluation.
Purpose of the Study:
- To clinically assess the incidence, nature, and risk factors of lingual nerve damage.
- To investigate the specific impact of lingual flap retraction during mandibular third molar surgery.
Main Methods:
- A prospective study involving 55 patients undergoing bilateral mandibular third molar removal.
- Randomized comparison of surgery with lingual flap retraction (experimental) versus without (control).
Main Results:
- Lingual nerve damage occurred in 9.1% of cases with lingual flap retraction.
- No lingual nerve damage was observed in the control group (without retraction).
- The difference in nerve damage incidence was statistically significant (P <.001).
Conclusions:
- Lingual flap retraction is a significant risk factor for temporary lingual nerve damage.
- Minimizing or avoiding lingual flap retraction may reduce the incidence of nerve injury during this surgery.