The impact of different degrees of alveolar bone resorption on bone density in edentulous areas

NI Yan; WU Yang; HOU Wenhui

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Medical Journal of the Chinese People Armed Police Forces ›› 2026, Vol. 37 ›› Issue (1) : 10-13.

The impact of different degrees of alveolar bone resorption on bone density in edentulous areas

NI Yan¹, WU Yang², HOU Wenhui²

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Abstract

Objective To evaluate the relationship between bone density and bone resorption degree in the tooth-removal area using cone-beam computed tomography (CBCT), and to provide effective basis for clinical implant preoperation evaluation. Methods A total of 460 patients with missing teeth who were admitted to the Department of Stomatology, the Third Medical Center of PLA General Hospital from November 2020 to November 2021 were selected. After CBCT imaging, all patients were divided into groups no alveolar bone resorption group, degree Ⅰ alveolar bone resorption group, degree Ⅱ alveolar bone resorption group and degree Ⅲ alveolar bone resorption group, based on the degree of alveolar bone resorption. The average bone density values of the anterior teeth, premolars and molars of each group were measured and statistically analyzed. Results For the anterior teeth and premolars, there were significant differences in bone density values among the four groups (P<0.05), and the degree of alveolar bone resorption was correlated with bone density (r=-0.42, r=-0.37; P＜0.01); there was no statistically significant difference in bone density in the molars. The anterior teeth area showed a significant negative correlation (r=-0.31) in the 41-60 years age group. There was no significant correlation between age and bone mineral density in the anterior molars area and molars area groups, nor was there a significant correlation between gender and bone mineral density. Conclusions Except for grade Ⅲ bone resorption, the bone density in the missing areas of anterior teeth and premolars decreases with the increase of the degree of alveolar bone resorption.

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bone density / alveolar bone resorption / horizontal resorption / age / CBCT

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NI Yan, WU Yang, HOU Wenhui. The impact of different degrees of alveolar bone resorption on bone density in edentulous areas[J]. Medical Journal of the Chinese People Armed Police Forces. 2026, 37(1): 10-13

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