Oluranti O DaCosta, Ifeoma L Utomi
Orthodontic Unit, Dept of Child Dental Health, College of Medicine, University of Lagos, Lagos, Nigeria.
Odontostomatol Trop. 2009 Dec;32(128):17-23.
In Nigeria, the awareness of the dentition and its role in the overall facial beauty is increasing, especially in the urban areas. The purpose of this study was to assess the demand for orthodontic treatment and the pattern of malocclusion in patients attending the Lagos University Teaching Hospital, Lagos, Nigeria.
A 5-year retrospective study of 633 patients, 288 males (45.5%) and 345 females (54.5%) attending the orthodontic unit of the hospital.
The patients seen ranged from 1 to 50 years with the most frequent age group being that of 12-17 years constituting 37.5% of the total patients seen. Adult patients made up 30.7% of attending patients. Self-referred patients constituted 64.1% of this population. Class I molar relationship was predominantly occurring seen in 76.7% of patients. Anterior segment crowding was recorded in 38.7% and 43.2% of the patients for the upper and lower arch respectively. Marked increase in overjet was observed in 32.2%. Overbite discrepancies were recorded with 26.2% of patients with deep bite and 11.2% of patients with anterior open bite. A history or ongoing oral habit was recorded in 61.8% of patients.
在尼日利亚,人们对牙列及其在整体面部美观中所起作用的认识正在提高,尤其是在城市地区。本研究的目的是评估尼日利亚拉各斯大学教学医院就诊患者对正畸治疗的需求以及错牙合畸形模式。
对该医院正畸科的633例患者进行了一项为期5年的回顾性研究,其中男性288例(45.5%),女性345例(54.5%)。
就诊患者年龄从1岁至50岁不等,最常见的年龄组为12 - 17岁,占就诊患者总数的37.5%。成年患者占就诊患者的30.7%。自我转诊患者占该人群的64.1%。76.7%的患者主要表现为I类磨牙关系。上、下牙弓分别有38.7%和43.2%的患者存在前段拥挤。32.2%的患者观察到覆盖明显增加。26.2%的患者有深覆牙合差异,11.2%的患者有前牙开牙合差异。61.8%的患者有既往或正在存在的口腔习惯记录。