Program including abstracts as pdf available here
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OP 113<br />
Title<br />
RCT OF CbCT VERSuS PANORAMIC IMAGING bEFORE THIRD MOLAR REMOVAL<br />
Authors<br />
L. PETERSEN 1 , J. CHRISTENSEN 1 , K. ROSE 2 , A. WENzEL 1<br />
aBSTracTS OP 11<br />
Affiliations<br />
1 Oral Radiology, Institute of Odontology, Aarhus University, Aarhus, DENMARK, 2 Research<br />
Unit for Health Economics & Research Unit for General Practice, University of Southern<br />
Denmark, DENMARK<br />
Body<br />
Background: T<strong>here</strong> is little evidence in the literature on indications for CBCT prior to surgical<br />
removal of mandibular third molars.<br />
Objectives: To compare sensory disturbances of the alveolar inferior nerve after surgical removal<br />
of a mandibular third molar examined with either CBCT or panoramic radiography.<br />
Methods: In a randomized clinical trial planned to include 200 patients in each group (CBCT<br />
group and panoramic group), each patient underwent surgical removal of a mandibular third<br />
molar, which in the panoramic image contacted or overprojected the mandibular canal. The<br />
patients were randomized to examination with CBCT (yes/no). In the “no” group, a simulated<br />
CBCT w<strong>as</strong> performed (blinding the patient). A trained dentist <strong>as</strong>sessed all images and reported<br />
the findings in both the panoramic and CBCT images. Images and reports were <strong>available</strong> to<br />
the surgeon. Two specialists in oral surgery each operated an equal number of patients in the<br />
CBCT and panoramic group. Neurosensory tests <strong>including</strong> a Semmes-Weinstein me<strong>as</strong>urement<br />
procedure and a VAS-scale registration were performed pre- and one week postoperatively by a<br />
dentist blinded to patient group.<br />
Results: Preliminary results showed that 15 of 89 (16.9%) operated patients had neurosensory<br />
disturbances arising from the alveolar inferior nerve: 10 incidents in the CBCT group and 5<br />
incidents in the panoramic group (p>0.05).<br />
Conclusion: The results are preliminary, but suggest that a CBCT examination before removal of<br />
a mandibular third molar does not decre<strong>as</strong>e the risk of postoperative sensory disturbances.<br />
Keywords<br />
CBCT,Panoramic image,Removal of madinbular wisdomte<br />
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