Jovino-Silveira Renata Cimões, Caldas Arnaldo de França, de Souza Eliane Helena Alvim, Gusmão Estela Santos
Department of Prosthesis and Surgery Orofacial, Federal University of Pernambuco, Brazil.
Oral Health Prev Dent. 2005;3(3):151-7.
To identify the primary reasons for tooth extraction in a Brazilian adult population.
Interviews and oral examinations were conducted with 466 subjects aged from 18-76 years in the city of Maceió, Brazil. Frequency distributions, means and medians were calculated and the chi-square test was used to determine the level of significance. A logistic regression model was used to evaluate the variables associated with reasons for tooth extraction.
Of the 466 extractions, 295 (63.3%) were due to dental caries, 61 (13.1%) due to periodontal disease, 56 (12.0%) for orthodontic reasons, 32 (6.9%) at the patient's request, 15 (3.2%) for pre-prosthetic reasons, four (0.9%) due to pericoronitis, two (0.4%) due to trauma and one (0.2%) for other reasons. Tooth extraction due to caries and other causes (excluding periodontal disease) shows a significant association with family income, toothache, type of health centre (public or private), educational level (P < 0.001) and marital status (P = 0.002). The logistic regression model has shown that patients undergoing treatment at a public health centre, those suffering from toothache or with an incomplete secondary education were more likely to lose their teeth due to caries, with educational level as the strongest indicator. For tooth extraction due to periodontal disease and other causes (excluding dental caries) the variables age, family income, type of health centre, tooth types (anterior or posterior), educational level (P < 0.001) and toothache (P = 0.006) were statistically significant, and age was the only associated variable in the logistic regression model.
Dental caries was the main cause of tooth extraction in the study group, following tooth extraction due to periodontal disease.
确定巴西成年人群牙齿拔除的主要原因。
对巴西马塞约市466名年龄在18至76岁之间的受试者进行了访谈和口腔检查。计算了频率分布、均值和中位数，并使用卡方检验来确定显著性水平。采用逻辑回归模型评估与牙齿拔除原因相关的变量。
在466例拔牙病例中，295例（63.3%）是由于龋齿，61例（13.1%）是由于牙周疾病，56例（12.0%）是出于正畸原因，32例（6.9%）是应患者要求，15例（3.2%）是出于修复前的原因，4例（0.9%）是由于冠周炎，2例（0.4%）是由于外伤，1例（0.2%）是由于其他原因。因龋齿和其他原因（不包括牙周疾病）导致的牙齿拔除与家庭收入、牙痛、健康中心类型（公立或私立）、教育水平（P < 0.001）和婚姻状况（P = 0.002）显示出显著关联。逻辑回归模型表明，在公立卫生中心接受治疗的患者、牙痛患者或中等教育不完全的患者因龋齿而失牙的可能性更大，其中教育水平是最强的指标。对于因牙周疾病和其他原因（不包括龋齿）导致的牙齿拔除，年龄、家庭收入、健康中心类型、牙齿类型（前牙或后牙）、教育水平（P < 0.001）和牙痛（P = 0.006）这些变量具有统计学意义，并且年龄是逻辑回归模型中唯一相关的变量。
在研究组中，龋齿是牙齿拔除的主要原因，其次是牙周疾病导致的牙齿拔除。
