后牙区种植修复体咬合设计与种植体周组织健康关系的研究
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摘要
目的:研究咬合面形态设计对种植体周组织健康状况的影响,为临床应用提供参考依据。方法:收集后牙区缺失行种植义齿修复的患者154人计203颗种植体,修复体咬合面设计为牙尖-卵圆窝形态,追踪观察2年内不同时段种植体周骨吸收、种植体周牙龈指数、出血指数、种植体周袋深度、咬合关系、邻接关系等变化情况,进行统计学分析。结果:在为期12～24个月的追踪观察中,种植体周骨吸收、种植体周袋深度、牙龈指数、出血指数、咬合关系在各时间段没有显著性差异,在负重12、24个月后种植体周骨吸收分别为(0.86±0.21) mm和(1.05±0.30) mm;种植体周袋深度分别为(1.83±0.87) mm和(2.06±0.59) mm,差异没有统计学意义。分别有4颗和10颗修复体与邻牙出现食物嵌塞。结论:种植义齿的特殊性决定其咬合设计有异于常规修复体,尖-卵圆窝设计对保护植体周组织健康起到决定性作用。
Objective: To evaluate the relationship between occlusion design of implant-supported restorations and peri-implant tissues health. Methods: 203 implants were inserted into 154 patients with posterior teeth loss. The occlusal surfaces of implant-supported restorations were designed for cusp to circle sunken. Peri-implant bone loss, PD, GI, occlusal contact, and proximal contact were evaluated within 12 to 24 months follow-up. Results: In 12 to 24 months follow-up, the peri-implant bone loss was(0.86±0.21)mm and(1.05±0.30)mm, PD was(1.83±0.87)mm and(2.06±0.59)mm, respectively. There were no significant differences. There were 4 and 10 restorations with food impaction. GI was not significantly changed at different call back times. Conclusion: The occlusal surface of implant-supported restorations designed as cusp to circle sunken was useful to peri-implant tissues health.
Objective: To evaluate the relationship between occlusion design of implant-supported restorations and peri-implant tissues health. Methods: 203 implants were inserted into 154 patients with posterior teeth loss. The occlusal surfaces of implant-supported restorations were designed for cusp to circle sunken. Peri-implant bone loss, PD, GI, occlusal contact, and proximal contact were evaluated within 12 to 24 months follow-up. Results: In 12 to 24 months follow-up, the peri-implant bone loss was(0.86±0.21)mm and(1.05±0.30)mm, PD was(1.83±0.87)mm and(2.06±0.59)mm, respectively. There were no significant differences. There were 4 and 10 restorations with food impaction. GI was not significantly changed at different call back times. Conclusion: The occlusal surface of implant-supported restorations designed as cusp to circle sunken was useful to peri-implant tissues health.
引文
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[9] 杜瑞钿,刘森庆,李红文,等.后牙区单颗种植义齿邻接关系稳定性的研究[J].口腔医学研究,2018,34(7):730-733.
[10] 董十月,吴豪阳,张艳靖.种植固定义齿邻接触丧失状况及其可能影响因素的5年随访研究[J].口腔医学研究,2018,34(5):527-531.
[2] 张雪洋,黄雁红,陈沛,等.无牙颌种植义齿的咬合设计[J].华西口腔医学杂志,2018,36(1)1-3.
[3] Hoshaw SJ,Brunski JB,Cochran GVB.Mechanical loading of Branemark implants affects interfacial bone modlling and re modlling [J].Int J Oral Maxllio-fac Implants,1994,9:345-360.
[4] Kim Y,Oh TJ,Misch CE,et al.Occlusal considerations in implant therapy:clinical guidelines with biomechanical rationale [J].Clin Oral Implant Res,2005,16(1):26-35.
[5] McCullock AJ.Making occlusion work:2.Practical considerations [J].Dent Update,2003,30(4):211-216,218-219.
[6] 刘爽,李亮,宋向伟,等.种植义齿咬形态设计的三维有限元分析[J].黑龙江医药科学,2018,47(2):246-249 .
[7] Graves CV,Harrel SK,Rossmann JA,et al.The role of occlusion in the dental implant and peri-implant condition:a review [J].Open Dent J,2016,10:594-601.
[8] Kim Y,Oh TJ,Misch CE,et al.Occlusal considerations in implant therapy:clinical guidelines with biomechanical rationale [J].Clin Oral Implants Res,2005,16(1):26-35.
[9] 杜瑞钿,刘森庆,李红文,等.后牙区单颗种植义齿邻接关系稳定性的研究[J].口腔医学研究,2018,34(7):730-733.
[10] 董十月,吴豪阳,张艳靖.种植固定义齿邻接触丧失状况及其可能影响因素的5年随访研究[J].口腔医学研究,2018,34(5):527-531.