CAJ | 학술논문

目的：比较改良压膜间隙保持器与传统丝圈式间隙保持器在临床上的使用舒适度、成功率和对牙周健康状况的影响。方法40例下颌第二乳磨牙早失的患者分为2组，随机戴用改良压膜间隙保持器与传统丝圈式间隙保持器，1个月后使用VAS量表法评价佩戴舒适，并分别于第1、3、6个月检查2组患者缺隙侧第一磨牙的菌斑指数、牙龈指数和探诊深度及成功率，t检验与χ2检测2组间差异。结果戴用改良压膜间隙保持器在舒适度和牙周健康维护上显著优于传统丝圈式间隙保持器组（P＜0．05）。在成功率上2组没有明显差异（P＞0．05）。结论改良式压膜间隙保持器相比于传统丝圈式间隙保持器，戴用更为舒适，并能显著减少对牙周健康的影响，
목적：비교개량압막간극보지기여전통사권식간극보지기재림상상적사용서괄도、성공솔화대아주건강상황적영향。방법40례하합제이유마아조실적환자분위2조，수궤대용개량압막간극보지기여전통사권식간극보지기，1개월후사용VAS량표법평개패대서괄，병분별우제1、3、6개월검사2조환자결극측제일마아적균반지수、아간지수화탐진심도급성공솔，t검험여χ2검측2조간차이。결과대용개량압막간극보지기재서괄도화아주건강유호상현저우우전통사권식간극보지기조（P＜0．05）。재성공솔상2조몰유명현차이（P＞0．05）。결론개량식압막간극보지기상비우전통사권식간극보지기，대용경위서괄，병능현저감소대아주건강적영향，
Objective To study the clinical satisfaction and the success rateof a new style improved vacuum formed space maintainer and its influence on periodontal tissue compared with traditional band and loop space maintainer .Methods 40 patients with the need of maintaining space were divided into 2 groups randomly ,each wearing one kind of space maintainers .Visual Analogue Scales ( VAS) was used to evaluate the degree of comfort wearing different space maintainers after 4 weeks.Plaque indexes,gingival indexes and probe depth of the lower first molar ,and the success rate of the space maintainer were recorded after 4 weeks,8 weeks and 12 weeks respec-tively.All data were subject to t-test and χ2 analysis.Results The degree of comfort when wearing improved vacuum formed space maintainer was obviously higher than that when wearing traditional band and loop space maintainer and the periodontal index was also better (P<0.05).The success rates of two groups were not statistically different (P>0.05).Conclusions Improved vacuum formed space maintainer is more favorable compared with traditional band and loop space maintainer and is more effective in reducing the influ -ence on periodontal health .