| Objective To investigate the oral health status of65-74-years-old Hui elderly people in Linxia Hui Autonomous Prefecture in Gansu Province, China.To investigate the incidence of root caries in Hui elderly people of Linxia Hui Autonomous Prefecture, Gansu province.; To provide informative basis for establishing of oral health care policy.Methods Root caries in436Hui eldly people aged65-74-year-old and their clinical examination were investigated with questionnaire by randomly sampling according to the third national oral health survey standards and methods. In this study,436eldly people were randomly selected from the65-74-year-old Hui older people living in the six counties of Linxia(Linxia, Kangle, Guanghe, Yongjing and Hezheng Counties)(264cases of urban, rural172cases)(50%-50%male-female). All subjects underwent oral clinical examination. The data were collected by using face-to-face and knee-to-knee questions and retrieved436valid questionnaires. Third permanent molars was excluded, its survey was not recorded. Application of DFT represents the total number of teeth due to the root caries and the root caries for caries filling. Application of DT represents the total number of the teeth due to root caries. Application of FT represents the total number of filled teeth due to caries. Incidence of root caries is that the number of people of root caries/of those surveyed x100%. Mean number of root caries is that the number of root caries/survey number. Root caries index (RCI) is root caries surface/tooth number of gingival recession×100%. The Chi-square test was applied for univariate analysis suffered from root surface caries. The Logistic Regression analysis (Forward:Wald, α入-0.05, α出=0.10) was used to explore the related factors associated with root caries of eldly people in Linxia Hui Autonomous Prefecture.Results①69%of65-74-year-old Hui elderly people brushed their teeth more than twice a day, of the city (75%) higher than in rural areas (61%).86%of65-74-year-old Hui elder people rinsed their mouth more than third a day, of the city (88%) slightly higher than in rural areas (83%). The use of fluoride toothpaste was62%, the urban and rural elderly almost never flossing.7%of the subjects smoked and1%drank wine every day in Hui elderly people, far below1995years of the second national epidemiological survey results. Nearly a year of Linxia Hui Autonomous Prefecture in the65to74-year-old Hui elderly dental visits was only5.73%, the urban and rural areas was no significant difference (x2=1.455, P>0.1).②The incidence of root caries in Hui elderly people of Linxia Hui Autonomous Prefecture was28.90%, with mean number of root caries of0.42. No significant difference was found in the incidence of root caries between urban and rural areas and between male and female (P>0.05). The filling rate of root caries was only0.68%. Urban and rural areas of root caries rate was28.03%and30.23%, respectively, filling rate0.76%and0.58%, mean number of root caries0.40and0.45, respectively. The men and women of root caries prevalence of dental caries were27.98%and29.81%, respectively, the filling rate of0.45%and0.91%, mean number of root caries are0.41and0.43. The prevalence of dental caries and mean number of root caries in urban and rural areas and between the sexes were not statistically different (P>0.05). Full mouth RCI results show that the RCI value was2.85%and2.76%, respectively, in the distal and mesial surface. The RCI value was higher in maxillary teeth than in corresponding mandibular teeth. The minimum RCI value was found in the tongue and palate surface. Root caries involving one root surface was detected88.7%of Hui elderly people, Root caries involving two root surfaces was9.99%, Root caries involving threes root surfaces was1.3%, Root caries involving four root surfaces was very low, only accounted for0.10%.③The results of univariate analysis showed that frequency of teeth brushing, frequency of mouthwash and sugar food intake associated with root caries in Hui elderly people of Linxia Hui Autonomous Prefecture. The Logistic regression analysis using DFT as the dependent variable showed that frequency of teeth brushing (P<0.05)(95%CI0.317-0.764) and sugar food intake (P<0.05)(95%CI1.033-2.648) was closely related with the occurrence of root caries in Hui elderly people of Linxia Hui Autonomous Prefecture.Conclusion:(1)The Hui elderly people in Linxia has good oral hygiene habits and lifestyle.(2)The incidence of root caries in Hui elderly people of Linxia Hui Autonomous Prefecture was not high, However, the filling rate of root caries was only0.68%.(3)The root caries were mostly found in maxillary permanent mesial surface of Hui elderly people. The RCI value was higher in maxillary teeth than in corresponding mandibular teeth.(4)The results of Logistic analysis showed that frequency of teeth brushing, frequency of mouthwash and sugar food intake significantly associated with root caries in Hui elderly people of Linxia Hui Autonomous Prefecture.(5)The incidence of root caries in Hui elderly people of Linxia Hui Autonomous Prefecture is low due to their good health and life habits. However, root caries is rarely treated, the urban and rural elderly almost never floss. Thus it needs instructions on their oral health and taking more preventive measures against their oral diseases. |
PDF Full Text Request