Objective The present study aimed to evaluate which factors were statistically associated with a greater probability of inferior alveolar nerve (IAN) damage during lower third molar surgery. Study Design A prospective observational study was performed at the Oral Surgery Unit of the Umberto I Hospital on 92 patients which underwent surgical extraction of a lower third molar, that was radiographically overlapped to the mandibular canal. All surgeries were performed by the same expert surgeon. A principal component analysis and the exact two-tailed Fisher test were used.
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Assessment of sensitivity alteration after extraction
Timeframe: After 7 days, at the suture removal, the sensitivity was tested.
Change of Sensitivity after every week for the first month
Timeframe: in case of alteration the checks were carried out every weeks up to 30 days
Change of Sensitivity after every two week for the second month until resolution
Timeframe: in case of alteration over 30 days we checks every 2 weeks until resolution, up to 365 days.