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首页> 外文期刊>American Journal of Orthodontics and Dentofacial Orthopedics >First and second permanent molars with failed or delayed eruption: Clinical and statistical analyses
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First and second permanent molars with failed or delayed eruption: Clinical and statistical analyses

机译：具有失败或延迟喷发的第一和第二永久性臼齿：临床和统计分析

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Introduction: The aim of this work was to analyze data of patients with failed or delayed eruption of first and second permanent molars, to assess the effectiveness of the treatment methods used. Methods: Epidemiologic and clinical data of 125 patients (mean age 14.08 +/- 4.04 years) with 197 affected molars (30 first and 167 second molars) were retrospectively analyzed. The treatment outcome was known in 161 molars after patient drop-out (20 patients with 36 molars). The cases were categorized into 8 groups according to the choice of treatment: orthodontic uprighting, surgical-orthodontic uprighting, surgical uprighting, surgical repositioning, surgical exposure, first or second molar extraction, third molar extraction, or removal of pathologic conditions. Results: The overall treatment outcome was positive in 141 molars (87.6%). It was positive in all cases treated with orthodontic uprighting (7 molars), surgical exposure (10 molars), surgical uprighting (38 molars), and surgical repositioning (8 molars), but it was significantly lower for surgical-orthodontic uprighting (34/48 molars, 70.8%). The positive outcome was significantly lower for inclusion (52/68 molars, 76.5%) than for early-diagnosed condition (11/11 molars, 100%) and retention (78/82 molars, 95.1%), and for total bone crown coverage (21/28 molars, 75.0%) than for osteomucosal or mucosal crown coverage (120/133 molars, 90.2%). conclusions:: This study demonstrates that an early diagnosis results in a better outcome regardless of the treatment used, with the number of cases with a positive outcome being higher in younger patients.
机译：介绍：这项工作的目的是分析患者的失败或延迟爆发的患者的数据，以评估使用的治疗方法的有效性。方法：回顾性分析了197名患者125名患者（平均14.08 +/- 4.04岁）的流行病学和临床资料。患者辍学后（20例36磨牙患者），治疗结果是已知的161磨砂。根据治疗的选择，将病例分为8组：正畸直立，外科正畸，手术直接，手术重新定位，手术暴露，第三或第二摩尔萃取，第三摩尔提取或去除病理条件。结果：整体治疗结果是141磨牙（87.6％）的阳性。所有患用正畸直立（7磨牙），手术暴露（10磨牙），手术直立（38磨牙）和手术重新定位（8磨牙）的所有病例都是阳性的阳性，但手术 - 正畸直立的显着降低（34 / 48磨牙，70.8％）。呈现（52/68磨牙，76.5％）显着降低了阳性结果，而不是早期诊断的病症（11/11磨牙，100％）和保留（78/82摩尔，95.1％）和总骨冠覆盖率（21/28磨牙，75.0％）比骨质酸或粘膜冠覆盖率（120/133磨牙，90.2％）。结论::本研究表明，无论使用的治疗如何，早期诊断都会导致更好的结果，患者患者患者患者的患者数量较高。

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