Abstract
The literature review on assessment of lingual concavities in posterior mandibula with CBCT to prevent complications such as perforations during dental implant placement. The electronic search of full-text articles on lingual concavity studies with CBCT was performed. The data on the prevalence, depth and angle of concavities was analyzed. The analysis included 5 articles from 2011 to 2016 years. Totally 1713 mandibular concavities were evaluated in 1232 patients. The prevalence was 46.7-68%; mean depth was from 2.4 mm to 5.4 mm; and the mean angle varied from 143 to 156.6 degrees. Though morphologic data of lingual concavities showed similar pattern it is necessary to provide CBCT evaluation prior to dental implant placement to define available bone and its morphology. It is recommended to use guided surgery if U-type is evident.
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