Early and late facemask therapy
Early and late facemask therapy
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DOI：
10.1093/ejo/23.5.559
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发表时间：
2001-10-01
影响因子：
2.6
通讯作者：
Keykubat, A
中科院分区：
文献类型：
--
作者：
Yüksel, S;Üçem, TT;Keykubat, A
本研究的目的是确定面罩治疗对牙齿和骨骼的影响，并评估年龄对治疗反应的影响。该材料包括34名使用Delaire型面罩治疗的IH类错牙合患者的侧位头影测量X线片。分为两组，每组17名患者：早期（6名女孩，11名男孩）和晚期治疗组（8名女孩，9名男孩）。治疗开始时，早期治疗组的平均年龄为9岁8个月，晚期治疗组的平均年龄为12岁6个月。两组平均治疗时间为7个月。对照组由17名平均年龄为9岁5个月的儿童组成，根据年龄和矢状面牙齿和骨骼关系，仅与早期治疗组相匹配。将Delaire型面罩的正畸效果与整体效果进行叠加比较，发现两个治疗组的上颌骨前移和覆盖增加有统计学意义（P< 0.01）。总重叠评价显示，上颌磨牙和门牙位移明显（早期治疗组P< 0.05;晚期治疗组P< 0.01），而局部重叠无明显变化。早期治疗组牙面覆盖、SNB变化与对照组比较有显著性差异（P< 0.001），Co-A升高、上下颌差、Wits'评分降低与对照组比较有显著性差异（P< 0.01）。治疗组之间的骨骼和牙齿前后变化无显著差异。
The purpose of this study was to determine the dental and skeletal effects of facemask therapy, and to evaluate the effect of age on treatment response. The material consisted of lateral cephalometric radiographs of 34 subjects with Class IH malocclusions treated with a Delaire type facemask. Two groups of 17 patients each were formed: an early (six girls, 11 boys) and a late treatment group (eight girls, nine boys). At the beginning of treatment, the mean ages were 9 years 8 months for the early treatment group and 12 years 6 months for the late treatment group. The average treatment time was 7 months for both groups. A control group consisting of 17 children with a mean age of 9 years 5 months was formed that matched only the early treatment group according to age, and sagittal dental and skeletal relationships. To differentiate the orthodontic and total effects of the Delaire type facemask, superimpositions were made.In both treatment groups forward displacement of maxilla and an increase in overjet were found to be statistically significant (P< 0.01). Evaluation of total superimpositions showed that there was a significant displacement of maxillary molars and incisors (P< 0.05, early treatment group; P< 0.01, late treatment group), while no significant change was observed in local superimpositions. Changes in overjet and SNB in the early treatment group showed a significant difference compared with the control group (P< 0.001) The increase in Co-A and the decreases in the maxillo-mandibular differential and Wits' appraisal showed significant differences compared with the control group (P< 0.01). No significant difference was observed in skeletal and dental antero-posterior changes between the treatment groups.