CBCT Analysis of Lateral Wall Thickness of Maxillary Sinus in Adults in Guangdong Region

doi:10.13701/j.cnki.kqyxyj.2026.02.004

Abstract

Abstract: Objective: To examine the relationship between the lateral wall thickness of maxillary sinus in adults from Guangdong and factors such as gender, age, tooth position, and dentition. Methods: Cone beam CT (CBCT) images from 300 adults were analyzed to measure the lateral wall thickness at the second premolar (P2), first molar (M1), and second molar (M2). Results: The mean thicknesses were (1.72±0.75) mm at P2, (1.93±1.02) mm at M1, and (1.77±1.16) mm at M2. Significant differences were observed between the left and right M1 sides (P<0.05). Male P2 walls were thicker than female’s (P<0.05), and thickness varied significantly by age group (P<0.05). Edentulous individuals had thicker M2 walls than those with normal dentition (P<0.05). Conclusion: There is a significant correlation between lateral maxillary sinus wall thickness and gender, age, tooth position, and dentition status, and it is recommended that preoperative planning should be conducted through multifactorial assessment using three-dimensional imaging to enhance surgical safety before performing maxillary sinus lifting.

Key words: maxillary sinus, maxillary sinus lateral bone wall thickness, cone-beam CT

ZHONG Haodong, LIN Zhenyang, LIU Yi, LI Xiaoyu. CBCT Analysis of Lateral Wall Thickness of Maxillary Sinus in Adults in Guangdong Region[J]. Journal of Oral Science Research, 2026, 42(2): 105-109.

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