Department of Developmental and Preventive Sciences, Faculty of Dentistry, Kuwait University, Safat 13110, Kuwait.
Med Princ Pract. 2010;19(5):348-54. doi: 10.1159/000316371. Epub 2010 Jul 14.
Our purpose was to determine the orthodontic treatment need in adolescent Kuwaitis, adjusting for treatment experience and acquired need due to mesial migration or loss of the first molars, and to assess the orthodontic manpower requirements.
A population-based sample of 753 boys and 728 girls, representing about 7% of all 13- to 14-year-old Kuwaitis, was examined in a classroom setting. Orthodontic treatment need was graded according to the Dental Health Component (DHC) and the Aesthetic Component (AC) of the Index of Orthodontic Treatment Need (IOTN). Subjects with treatment experience were scored on initial study models. The DHC and AC grades were categorized in 3 groups and aggregated to 3 IOTN groups according to the highest DHC or AC group. Group 1 was labeled as 'no need', 2 as 'moderate need', and 3 as 'definite need for orthodontic treatment'.
According to the IOTN, 31.1% of the subjects demonstrated a definite need and 40.2% no need for treatment. Excluding DHC group 3 categories attributed to mesial migration and/or loss of first molars, definite need was reduced to 23.9%. Definite treatment need was more prevalent when estimated according to the DHC than according to the AC, while moderate and no need were more prevalent according to the AC (p < 0.001). No gender differences were detected (p > 0.05).
About 30% of adolescent Kuwaitis have definite need for orthodontic treatment. The prevalence may be reduced towards 25%, provided loss or mesial migration of the first molars can be prevented. About 50-60 orthodontists are needed to meet the severe need in adolescent Kuwaitis.
本研究旨在确定科威特青少年的正畸治疗需求，并对治疗经验以及因第一磨牙近中迁移或缺失而产生的获得性需求进行调整，同时评估正畸人力需求。
以人群为基础，在教室环境中对 753 名男孩和 728 名女孩进行了检查，他们代表了所有 13 至 14 岁科威特人的 7%。正畸治疗需求根据正畸治疗需求指数（IOTN）的牙科健康成分（DHC）和美学成分（AC）进行分级。有治疗经验的受试者在初始研究模型上进行评分。根据最高 DHC 或 AC 组，将 DHC 和 AC 分级分为 3 组，并汇总为 3 个 IOTN 组。第 1 组被标记为“无需求”，第 2 组为“中度需求”，第 3 组为“明确需要正畸治疗”。
根据 IOTN，31.1%的受试者存在明确的治疗需求，40.2%的受试者无需治疗。排除因第一磨牙近中迁移和/或缺失而导致的 DHC 第 3 组类别后，明确治疗需求减少至 23.9%。根据 DHC 估计的明确治疗需求比根据 AC 估计的更常见，而中度和无需治疗根据 AC 估计更常见（p<0.001）。未发现性别差异（p>0.05）。
约 30%的科威特青少年有明确的正畸治疗需求。如果能够预防第一磨牙的缺失或近中迁移，患病率可能会降低到 25%左右。约需要 50-60 名正畸医生来满足科威特青少年的重度需求。
