摘要
作者报告了1984~1989年对京郊古城村成人口腔状况增龄性改变的纵向观察。1984年调查了不同年龄组587人,1989年复查507人,复查率为86.4%。5年内,40岁以下各年龄组平均每人缺牙0.3~1.8个,而50岁以上各年龄组缺牙2.8~5.5个,60岁以上年龄组在5年内43%以上的原存留牙缺失或变为残根。5年内原健康牙患龋的百分数随年龄增加而明显上升,60岁以上年龄组10%健康牙变为龋齿。5年内各年龄组50%以上原龋齿加重,而60岁以上年龄组原龋齿90%以上都有不同程度的发展。本研究表明,老年人的口腔保健应引起高度重视。
AbstractIn order to observe the Age Related changes indental health conditions, we selected Gucheng vil-lage , a rural area of Beijing as a surveillance place forour longitudinal study.575 persons in different age groups were exam-ined in 1984 and 507 persons were reexamined in1989. The rate of reexamination was 86. 4%.During the 5 year period , 0.3~1. 8 teeth weremissing in 20~40 years old groups and 2. 8~5. 5teeth were missing in 50~70 years old groups. Be-yond 60 years old groups more than 43% original re-maining teeth were missing or present as residualroots.More than 10% original healthy teeth were de-cayed and more than 90% original caries teeth becameaggravated in elderly group within 5 years.This study indicates that the incidences of toothmortality and dental caries are much higher in eldersthan in young adults.
出处
《中华口腔医学杂志》
CAS
CSCD
北大核心
1994年第3期152-155,共4页
Chinese Journal of Stomatology