[Diagnostic value of dental implants in the posterior maxilla using cone beam computed tomography].
OBJECTIVE
To compare the diagnostic value of cone beam computed tomography (CBCT) with orthpantomography(OPG) for dental implants at the posterior maxilla.


METHODS
75 patients (89 positions) with dental implants in the posterior maxilla were assessed with CBCT and orthopantomography. The horizontal height from the top of the alveolar bone to the floor of sinus was measured through CBCT and OPG. The results were processed statistically with SPSS 11.5 software package for Chi-square test.


RESULTS
Bone deficiency was detected in 30.34% and 16.85% cases by CBCT and OPG respectively with significant difference(P=0.034). Bone osteointegration was detected in 4.95% and 11.88% cases with CBCT and OPG respectively without significant difference(P=0.413).


CONCLUSIONS
The quantity of bone could be evaluated more precisely by CBCT than OPG. The peri-implant bone could be demonstrated more clearly by CBCT than OPG.
Fan
Lin-Feng
LF
Department of Radiology, Ninth People's Hospital, College of Stomatology, Shanghai Jiao Tong University School of Medicine, Shanghai 200011, China.
Pan
Xiao-Gang
XG
Pu
Yi-Ping
YP
Lai
Hong-Chang
HC
D000539:Alveolar Process / Q000000981:diagnostic imaging*; D054893:Cone-Beam Computed Tomography; D015921:Dental Implants; D006801:Humans; D008437:Maxilla / Q000000981:diagnostic imaging
D015921:Dental Implants