George Benley, John Joseph, Saravanan S, Arumugham I Meignana
Department of Public Health Dentistry, Pushpagiri College of Dental Sciences, Medicity, Perumthuruthy, Tiruvalla, Kerala, India.
Indian J Dent Res. 2011 Mar-Apr;22(2):364. doi: 10.4103/0970-9290.84284.
To determine the prevalence of permanent tooth loss among children and adults in a suburban area of Chennai.
Cross sectional descriptive study.
The study was conducted in Tiruverkadu, a suburban area of Chennai.
A house-to-house survey was done in Tiruverkadu. The study population consisted of 6, 12, 15 years children, 35-44 years, and 65-74 years adults. Type III dental examination was carried out. Cross tabulations and Chi-square statistics were computed. The level of significance was chosen as P<0.05.
Out of the total 679 subjects, 309 subjects had tooth loss. Females (47.9%) had greater tooth loss compared to males (42.9%). Tooth loss increased as age progressed. Subjects in the lower socio-economic status had greatest tooth loss. The mean tooth loss among the subjects was 2.7.
This study indicates that tooth loss increases with age and differs for gender and socio-economic status. The prevalence of tooth loss among the subjects was found to be high in children as well as in adults. Therefore, dental professionals should utilize various measures available in preventive dentistry to minimize tooth loss.
确定钦奈郊区儿童和成人恒牙缺失的患病率。
横断面描述性研究。
研究在钦奈郊区的蒂鲁韦尔卡杜进行。
在蒂鲁韦尔卡杜逐户进行调查。研究人群包括6岁、12岁、15岁的儿童，35 - 44岁的成年人以及65 - 74岁的成年人。进行了III类口腔检查。计算了交叉表和卡方统计量。显著性水平设定为P<0.05。
在总共679名受试者中，有309名受试者存在牙齿缺失。女性（47.9%）的牙齿缺失情况比男性（42.9%）更严重。牙齿缺失随着年龄增长而增加。社会经济地位较低的受试者牙齿缺失情况最为严重。受试者的平均牙齿缺失数为2.7颗。
本研究表明牙齿缺失随年龄增长而增加，且在性别和社会经济地位方面存在差异。研究发现受试者中儿童和成人的牙齿缺失患病率都很高。因此，牙科专业人员应利用预防牙科中的各种措施来尽量减少牙齿缺失。
