ArticleCureus2026
Comparison of the Mandibular Buccal Shelf Bone Thickness in Adolescents and Adults Using Cone Beam Computed Tomography.
Article in Cureus, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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7 authors.
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Abstract
Introduction The mandibular buccal shelf is a reliable site for extra-alveolar orthodontic miniscrew placement. The primary stability of temporary anchorage devices depends largely on cortical bone thickness and overall bone morphology. However, age-related variations in buccal shelf bone dimensions have not been fully established, particularly between adolescents and adults with similar growth patterns. The aim of the present study was to evaluate and compare the vertical and horizontal bone thickness of the mandibular buccal shelf in adolescent and adult populations using cone-beam computed tomography (CBCT). Materials and methods This retrospective cross-sectional study included 60 CBCT scans divided into two groups: adolescents (12-18 years) and adults (19-35 years), with 30 subjects in each group. Only individuals with average growth patterns and complete permanent dentition were included in the study. Vertical bone thickness was measured at 3, 5, and 7 mm apical to the cemento-enamel junction (CEJ) at three locations: mesial to the first molar, between the first and second molars, and distal to the second molar. Horizontal thickness was assessed at 6 mm and 11 mm apical to the CEJ at the corresponding sites. The measurements were performed bilaterally and averaged. Data were analyzed using mixed-model analysis of variance (ANOVA), with significance set at p<0.05. Results Vertical bone thickness increased with depth and showed significant site-related variations. Adults demonstrated significantly greater vertical thickness at deeper levels, particularly in the inter-radicular regions. Horizontal thickness also increased apically, with adults showing greater values at the mesial and inter-radicular sites. The region distal to the second molar consistently exhibited favorable dimensions in both the groups. Conclusion The thickness of the mandibular buccal shelf bone varies according to age, depth, and location. Adults demonstrate more favorable bone dimensions for miniscrew stability, particularly in the deeper and inter-radicular regions. CBCT-based individualized assessment is recommended for optimal extra-alveolar anchorage planning.
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