Evaluation of neurosensory disturbances of the inferior alveolar nerve after intraoral verticosagittal ramus osteotomy - 16/05/18
, L.F. Gil , D.S.M.C. Pantoja , C. Marin , R. Granato , J.N. Gil Bienvenue sur EM-consulte, la référence des professionnels de santé.
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Abstract |
Purpose |
To assess the incidence of neurosensory disturbances (NSD) of the inferior alveolar nerve (IAN) after Intraoral verticosagittal ramus osteotomy (IVSRO).
Materials and methods |
The sensibility of the chin and lower lip of ten consecutive patients undergoing IVSRO was assessed. Evaluations were performed at 7 days preoperatively, 7 days, one month and six months postoperatively. The chin was divided into four quadrants, which were tested separately. The tests used were: two-point discrimination (2-P), brush stroke direction discrimination (BSD) and thermal stimuli (TH). Postoperatively, patients also answered a questionnaire.
Results |
The values for 2-P showed statistically significant difference when compared to preoperative measurements (P>0.05) in all quadrants, with exception to quadrant D. There was no statistically significant difference among preoperative values and 7 days, 1 month and 6 months postoperative values. For BSD and TH tests, no differences were found among time points. None of the 10 patients reported complete numbness after 1 week. After 6 months, complete recovery of the chin sensibility was reported in all 10 cases.
Conclusion |
This study showed, objectively and subjectively, a low incidence of NSD after IVSRO. Further studies with larger samples are necessary to confirm these results.
Le texte complet de cet article est disponible en PDF.Keywords : Dentofacial deformities, Mandibular nerve, Orthognathic surgery, Osteotomy, Paresthesia, Postoperative complications
Plan
Vol 119 - N° 3
P. 192-195 - juin 2018 Retour au numéro
Article précédent
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