Faculdade da Serra Gaúcha - FSG, School of Dentistry, Department of Pediatric Dentistry. Caxias do Sul, RS, Brazil.
Universidade Luterana do Brasil - Ulbra, School of Dentistry, Department of Pediatric Dentistry. Porto Alegre, RS, Brazil.
Braz Oral Res. 2021 Mar 15;35:e031. doi: 10.1590/1807-3107bor-2021.vol35.0031. eCollection 2021.
The aim of this study was to investigate the intraoral distribution of untreated caries and tooth loss and estimate the impact of different socioeconomic factors on the occurrence of these outcomes. A cross-sectional study was conducted with 652 18-year-old male adolescents from the city of Sapucaia do Sul, Brazil, who conscripted for military service. The participants answered a questionnaire addressing sociodemographic variables. Two trained and calibrated examiners performed the clinical examinations for the diagnosis of dental caries using the criteria of the World Health Organization. Tooth group and adolescent were the units of analysis for the primary outcomes of the study. Poisson regression analysis with robust variance was performed, with the calculation of crude and adjusted prevalence ratios (PR) and 95% confidence intervals (CI). The prevalence of caries experience and untreated caries was 70.2% and 39.3%, respectively, and 9.4% of the adolescents had missing teeth. Sixty-seven percent of the untreated caries and 98.8% of missing teeth were in first molars. The probability of dental caries and tooth loss was significantly higher among adolescents with less schooling (PR = 2.56; 95%CI: 1.97-3.32 and PR = 3.28; 95%CI: 1.61-6.65, respectively) and those whose mothers had less schooling (PR = 1.31; 95%CI: 1.03-1.67 and PR = 2.30; 95%CI: 1.18-4.50, respectively). In conclusion, the occurrence of untreated dental caries and tooth loss was concentrated in the first molars of adolescents. Moreover, the prevalence of both conditions was higher among adolescents with low schooling and whose mothers had low schooling, reflecting the strong intraoral and socioeconomic polarization of these outcomes.
本研究旨在调查未经治疗的龋齿和失牙在口腔内的分布，并评估不同社会经济因素对这些结果发生的影响。一项横断面研究在巴西萨普卡伊亚杜苏尔市招募了 652 名 18 岁男性青少年，他们应征入伍。参与者回答了一份涉及社会人口统计学变量的问卷。两名经过培训和校准的检查者使用世界卫生组织的标准进行了临床检查，以诊断龋齿。牙齿组和青少年是研究主要结局的分析单位。采用稳健方差的泊松回归分析，计算粗患病率比（PR）和 95%置信区间（CI）。龋齿和未经治疗的龋齿的患病率分别为 70.2%和 39.3%，9.4%的青少年有缺牙。未经治疗的龋齿中 67%和 98.8%的缺牙发生在第一磨牙。受教育程度较低的青少年患龋齿和失牙的概率显著较高（PR=2.56；95%CI：1.97-3.32 和 PR=3.28；95%CI：1.61-6.65），母亲受教育程度较低的青少年患龋齿和失牙的概率也显著较高（PR=1.31；95%CI：1.03-1.67 和 PR=2.30；95%CI：1.18-4.50）。总之，未经治疗的龋齿和失牙主要发生在青少年的第一磨牙。此外，受教育程度较低和母亲受教育程度较低的青少年这两种情况的患病率更高，反映了这些结果在口腔内和社会经济方面的严重两极分化。
