摘要
目的:测量并分析夜磨牙症患者使用弹性垫治疗前后各项咬合数据变化。方法:使用弹性垫对青年夜磨牙症患者(n=10)进行治疗,并在治疗前和治疗后6个月使用T-Scan咬合检测仪进行咬合检测,观察和记录实验组闭合时间、分离时间、力中心位置、力不对称指数的变化,与对照组(n=10)进行对比和研究,并观察临床疗效。结果:治疗前实验组闭合时间及左、右侧分离时间均比对照组长(P<0.05),治疗后均无统计学差异(P>0.05);治疗前、后2组前伸分离时间差别无统计学意义(P>0.05);治疗前实验组和对照组力中心位置左右向偏移和右侧力百分比及力不对称指数比较均有统计学差异(P<0.05),治疗后比较均无统计学差异(P>0.05)。实验组治疗后闭合时间及左、右侧分离时间均比治疗前缩短(P<0.05);实验组治疗前、后右侧力百分比值有统计学差异(P<0.05),前伸分离时间、力中心位置偏移、左侧力百分比及力不对称指数治疗前后比较均无统计学差异(P>0.05)。结论:早接触、侧方干扰、全牙列力中心的偏移等咬合因素与磨牙症有十分密切的关系。使用弹性垫治疗磨牙症,可以有效地改善上述问题,使关系更加协调和稳定。
Objective： To study the occlusion characteristics of the young subjects with bruxism before and after treatment by elastic occlusal splint. Methods： 10 patients with bruxism and aged 22 -27 years （n = 10） were treated by elastic occlusal splint, before and 6 months after treatment they were examined by T-Scan occlusion detector. The occlusion time（ OT）, disclusion time（ DT）, oc- clusion force（ OF）, the perentage of occlusion force（ POF）, the changes of the position of center occlusal force（COF） and the asym- metry index of occlusion force（AOF） were observed and compared with those of the healthy controls（n = 10）. Results： （~ In the case group there was significant difference in the OT and DT between left and right anterior teeth before treatment （ P 〈 0.05 ）, but not after treatment （P 〉 0.05 ）. There was significant difference in the momevent of COF of left and right side, the POF of fight side and the AOF between the 2 groups before treatment, but not after the treatment（ P 〉0.05 ）. （~） In the case group after treatment the OT and DT of left and right anterior teeth were shortened（ P 〈 0.05 ）. The POF of right side and the AOF were significantly improved. In the case group DT, OF center excursion, the left POF and the AOF showed no significant difference before and after treatment（P 〉 0.05）. Conclusion： The occlusal factors such as early contact, lateral teeth synthetic interference, occlusal force center excursion have close relationship with bruxism. Elastic occlusal splint can effectively correct muscle dysfunction and make occlusal relationship more coordinated and stable, and therefore is effective in the treatment of bruxism.
出处
《实用口腔医学杂志》
CAS
CSCD
北大核心
2016年第6期857-860,共4页
Journal of Practical Stomatology
关键词
磨牙症
牙合垫
闭合时间
牙尖交错牙合
Bruxism
Occlusal splint
Occlusion time
Intercuspal occlusion
