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目的:初步探讨中老年人牙齿缺失情况与体重指数(Body mass index,BMI)的相关性。方法:以新疆医科大学第一附属医院健康体检中心的中老年体检者为研究对象,对该人群进行问卷调查、口腔检查,记录缺牙数目及后牙咬合对数(Posterior occluding pairs,POPs),测量每位调查对象的身高、体重,并计算BMI。结果:线性回归分析结果显示缺牙数目与BMI指数间存在线性关系(回归系数b=0.3143,P=0.001);Spearman相关分析显示POPs数目与BMI间呈弱负相关(r=-0.152,P=0.003)。分组研究中肥胖组缺牙后未进行义齿修复的个体所占比例明显大于正常组,差异有统计学意义(P=0.001)。结论:研究人群中随着口腔内缺牙数目增加或后牙咬合对数数目减少,BMI指数呈增大趋势,提示中老年人口腔内牙齿缺失情况可能会影响到BMI指数。
Objective: To investigate the relationship between tooth loss and body mass index (BMI) in the elderly. Methods: The middle-aged and elderly physical examination center of the First Affiliated Hospital of Xinjiang Medical University was selected as the research object. The population was investigated by questionnaire, oral examination, the number of missing teeth and posterior occluding pairs (POPs) The height and weight of each subject were measured and the BMI was calculated. Results: The linear regression analysis showed a linear relationship between the number of missing teeth and the BMI index (regression coefficient b = 0.3143, P = 0.001). Spearman correlation analysis showed a weak negative correlation between the number of POPs and BMI (r = -0.152, P = 0.003). In the study group, the percentage of individuals who did not undergo denture repair in the obese group was significantly larger than that in the normal group (P = 0.001). Conclusions: With the increase of the number of missing teeth or the reduction of the number of posterior teeth bite logarithm in the study population, the BMI index tends to increase, suggesting that the dental deficits in the elderly may affect the BMI index.