Hard and soft-tissue evaluation of bar-clip, ball-socket, and kerator attachments in mandibular implant overdenture treatment: An in vivo study

N. Varshney, Sakshi Gupta, S. Aggarwal, Shalabh Kumar, M. Sadish, Mohsin Khan
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引用次数: 3

Abstract

Aim: The aim of this in vivo study was to evaluate and compare the soft and hard tissue changes in implant supported mandibular overdenture with three different attachment system. Settings and Design: In vivo – observation study. Materials and Methods: After evaluation of prosthetic space, fifteen edentulous subjects received two implants in the inter-foramina region of the mandible and were divided into 3 groups with 5 subjects each, delayed loading protocol was followed in all the patients. The crestal bone loss, modified sulcular bleeding index, plaque index values were evaluate with the attachments at baseline and after 6 months was measured in a standardised way. Statistical Analysis Used: Oneway ANOVA test and post hoc Bonferroni multiple test. Results: At the end of six months modified sulcular bleeding index and plaque index values was higher in Group 2 (bar and clip attachment) as compared to Group 1 (ball and socket attachment) and Group 3 (Kerator attachment) and crestal bone loss was equal in groups 1, 2 and 3. Analysis of variance with repeated measures showed significant differences in modified sulcular bleeding index and plaque index among the three attachment types. Conclusion: (1) Group 2 (bar-and-clip attachment) exhibited higher Modified Sulcular Bleeding Index and Plaque Index values than Group 1 (ball-and-socket attachment) and Group 3 (kerator attachment). (2) Crestal bone loss was equal in Group 1 (ball-and-socket attachment), Group 2 (bar-and-clip attachment), and Group 3 (kerator attachment).
条形夹、球窝和角角膜附着体在下颌种植覆盖义齿治疗中的软硬组织评估:一项体内研究
目的:评价和比较三种不同附着体系统种植支撑下颌覆盖义齿的软硬组织变化。设置和设计:体内观察研究。材料与方法:15例无牙患者在评估假体间隙后,在下颌孔间区植入2枚假体,分为3组,每组5例,均采用延迟加载方案。基线时用附着体评估牙冠骨丢失、改良的血管出血指数、斑块指数,6个月后用标准化方法测量。统计分析方法:单因素方差分析和事后Bonferroni多重检验。结果:6个月结束时,第2组(棒夹附着)的改良血管出血指数和斑块指数高于第1组(球窝附着)和第3组(角器附着),第1、2和3组的牙冠骨丢失相同。重复测量方差分析显示,三种附着体类型改良性血管出血指数和斑块指数存在显著差异。结论:(1)与1组(球窝式附着体)和3组(角化器附着体)相比,2组(棒夹式附着体)的Modified sulular Bleeding Index和Plaque Index值更高。(2)第1组(球窝附着)、第2组(棒夹附着)和第3组(角器附着)的冠骨丢失相等。
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