Assessment of Anterior Maxillary Bone Thickness and Cemento Enamel junction–Crest Distance Using Cone Beam Computed Tomography
DOI:
https://doi.org/10.51985/Keywords:
Maxilla, cuspid, incisor, cone - beam computed tomography, dental implantsAbstract
Objective: To evaluate and compare thickness of palatal and labial bone, along with the cementoenamel junction (CEJ) – bone crest distance of anterior maxillary teeth using cone-beam computed tomography (CBCT) technique. Methods: This study is a retrospective cross-sectional study including 140 CBCT scans fulfilling the inclusion criteria. For each pair of anterior maxillary teeth, the thickness of palatal and facial bones was taken at three points along with distance between CEJ and bony crest. To ensure validity and reliability of measurements, single operator performed and recorded the measurements for each included CBCT scan.
Results: The mean age calculated from 140 CBCT scans was 34.84±8.0 years (age range 15-55 years), out of which there were 76 (54.3%) and 63 (45.0%) males and females, respectively. Most of the mean values at each measurement point of palatal and facial bone thickness were similar for both right and left teeth. Significant differences were noted in mean values among gender. For males, most of these values were higher as compared to the females. In terms of age, some values correlated positively with age including palatal thickness of CI and LI, while some correlated negatively with age including labial thickness of CI and LI.
Conclusion: The bone measurements significantly differed among males and females, and varied across age as well. The bone thickness measurements vary across populations therefore it is vital to know the anatomical bone dimensions in anterior maxilla for optimal 3-dimensional placement of the implant
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