Cecconello Rodrigo, Traebert Jefferson
Universidade do Oeste de Santa Catarina - UNOESC, Joaçaba, SC, Brazil.
Oral Health Prev Dent. 2007;5(4):321-6.
To estimate the incidence of traumatic dental injuries (TDI) and determining risk factors in adolescents in Luzerna, Brazil, over a period of three years.
A longitudinal study was carried out with adolescents born in 1988 and 1989 attending the schools of the city. Two examinations were performed in the adolescents in the year 2001 and 2004. The sample size was 176 individuals; however, it was decided to invite all 246 students enrolled in 2001. Clinical examinations were carried out through criteria for TDI used in the National Survey, UK, in 1994.
The incidence ratio was of 13.2% (CI 95% 7.9-18.5). The incidence among males was 15.1% (CI 95% 7.6-22.6) and among females 11.0% (CI 95% 3.9-18.1) (p = 0.440) with a relative risk (RR) of 1.38 (CI 95% 0.60-3.14). In relation to increased incisal overjet, the incidence ratio in the exposed individuals was found to be 21.2% (CI 95% 7.3-35.1) and in the nonexposed 11.1% (CI 95% 5.7-16.8) (p = 0.122). Individuals exposed to an increased incisal overjet presented an RR of 1.91 (CI 95% 0.84-4.34). The incidence in the individuals exposed to inadequate lip coverage was 12.5% (CI 95% 2.3-22.7) and in the non-exposed it was 13.4% (CI 95% 7.4-19.5) (p = 0.879). The RR among the exposed was 0.93 (CI 95% 0.36-2.38).
The incidence of TDI was 13.2%. For males, having increased incisal overjet and inadequate lip coverage were not considered as risks factors.
评估巴西卢泽纳市青少年在三年期间创伤性牙损伤（TDI）的发生率并确定危险因素。
对该市学校中1988年和1989年出生的青少年进行了一项纵向研究。在2001年和2004年对这些青少年进行了两次检查。样本量为176人；然而，决定邀请2001年入学的所有246名学生。通过1994年英国全国调查中使用的TDI标准进行临床检查。
发病率为13.2%（95%置信区间7.9 - 18.5）。男性发病率为15.1%（95%置信区间7.6 - 22.6），女性为11.0%（95%置信区间3.9 - 18.1）（p = 0.440），相对风险（RR）为1.38（95%置信区间0.60 - 3.14）。关于切牙覆盖增加，暴露个体的发病率为21.2%（95%置信区间7.3 - 35.1），未暴露个体为11.1%（95%置信区间5.7 - 16.8）（p = 0.122）。切牙覆盖增加的个体RR为1.91（95%置信区间0.84 - 4.34）。唇部覆盖不足个体的发病率为12.5%（95%置信区间2.3 - 22.7），未暴露个体为13.4%（95%置信区间7.4 - 19.5）（p = 0.879）。暴露个体的RR为0.93（95%置信区间0.36 - 2.38）。
TDI的发病率为13.2%。对于男性，切牙覆盖增加和唇部覆盖不足不被视为危险因素。
