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目的 探讨骨质密度与牙齿的关系。方法 骨密度仪随机检测 833名 35岁以上年龄组正常人群的桡骨骨质密度 (BMC/ BW) ,含钙水平 (BMC) ,且仔细检查每个人口腔余留牙、松动牙数目 ,龋齿情况。结果 45岁以上年龄组女性全身含钙水平 ,桡骨骨质密度开始下降 ,且逐年按不同程度递减 ,并在 5 5岁以后余留牙数目减少 ,松动牙数目增多 ,但龋患率无显著性差异 ;5 5岁以上男性年龄组全身含钙水平 ,骨质密度开始下降 ,6 5岁以后余留牙数目减少 ,松动牙数目增多 ,龋患率无显著性差异 ,而且骨质密度与口腔余留牙数目呈正相关 (γ女 =0 .95 87,γ男 =0 .95 0 5 )。结论 中老年人在注意口腔常规保健与治疗的同时 ,还应密切注意全身钙质水平的变化 ,及时补钙 ,对防止牙齿松动与脱 ,落可能有临床意义。
Objective To explore the relationship between bone density and teeth. Methods Bone mineral density (BMD) was used to measure the bone mineral density (BMC / BW) and calcium level (BMC) of 833 normal people over the age of 35. The number of residual teeth, loose teeth and dental caries in each group were carefully examined. Results In the age group of 45 years and older, the calcium content of the whole body and the bone mineral density of the radius began to decline, and gradually decreased to varying degrees year by year. After 5 5 years, the number of remaining teeth decreased and the number of loose teeth increased, but there was no significant difference in caries rates. The age-related prevalence of calcium in the 5-year-old male group decreased gradually with the decrease of bone density. The number of residual teeth decreased after 6 years old, the number of loose teeth increased, the caries prevalence was not significantly different. And the bone density was positively correlated with the number of remaining oral teeth = 0 .95 87, γ = 0 .95 0 5). Conclusion While paying attention to the regular oral health care and treatment, the elderly should also pay close attention to the changes of the whole body calcium level and timely calcium supplement to prevent the teeth from loosening and falling off and may have clinical significance.