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In dental implantology, the most serious and common complications occur during surgery. High-depth drilling and over-long implant placement or excess implant embedding may cause cortical bone perforation. Dimensions, direction and proximity to the anatomical structures of the implant, the amount and morphology of available bone should be considered in pre-operative implant planning. [http://www.selleckchem.com/products/BIBF1120.html BIBF 1120 cell line] Cone-beam computed tomography (CBCT) images provide three-dimensional images without superimpositions and high accuracy measurement by multi-planar reconstructions. These images assist to determine appropriate size, angulation and position of implant before placement. The specific software which is named 3D DOCTOR can be utilized for calculating volume and surface values on CBCT images and it also is capable of 3-dimensional model rendering. Aim/Hypothesis The aim of the present study was to evaluate the prevalence of sublingual and submandibular [http://en.wikipedia.org/wiki/Adenylyl_cyclase Adenylyl cyclase] fossa and to obtain metric, volume and surface measurements of these concavities using CBCT images and 3D DOCTOR software for establishing principal morphologic data according to the presence or absence of teeth, gender and localization of concavity. Material and methods The present study evaluated CBCT scans taken for pre-implant planning in 107 female and 93 male patients. The age, sex and present or absence of mandibular first molars and anterior teeth were recorded. The reconstructed CBCT images were transferred 3D DOCTOR software for metric, volumetric and surface area measurements. Three [http://www.selleckchem.com/products/tenofovir-alafenamide-gs-7340.html GS-7340 order] regions were evaluated including posterior submandibular and anterior sublingual concavities. The most prominent superior and inferior points of the anterior and posterior lingual concavities in the sagittal slices were determined and an initial line drawn joining them. For measuring the depth of concavity, a second line extended between the deepest point of the fossa and the point perpendicular to the first line was drawn. The length of the lines was calculated automatically by the software's measurement tool. The slice in which the fossa was deepest was chosen as representing the maximum depth of the concavity. The 3D DOCTOR software created three-dimensional models of lingual concavities and calculated automatically the total volume (mm3) and surface area (mm2) of these regions. Two-way mixed ANOVA was used to model sight, type of measurements (length, depth, volume, surface area) and gender. Differences between two independent groups were evaluated by Student-t test. Type-I error rate was taken as ��?=?0.05. Results In the present study, the average depth and volume values for submandibular fossa were 3.2?mm and 130.7?mm3 and 1.3?mm and 26.5?mm3 for sublingual fossa, respectively. The length measurements of anterior and posterior concavities were correlated inversely with age (P?