山东大学学报(理学版) ›› 2016, Vol. 51 ›› Issue (3): 40-43.doi: 10.6040/j.issn.1671-9352.0.2015.171
王加江1,2,陈玲1,2*,门玉涛1,2,季辰1,2
WANG Jia-jiang1,2, CHEN Ling1,2*, MEN Yu-tao1,2, JI Chen1,2
摘要: 模拟临床咬合,对种植术与分根术联合修复后的牙体进行功能性早期负载,得到下颌骨各阶段的最大变形量,从而研究缩短种植术与分根术联合修复周期的可行性。采用反求的方法得到实验模型,在没有形成骨结合的情况下对术后牙体施加动态载荷,通过有限元计算得出在整个咬合周期内下颌骨的变形分布规律。最大变形量出现在受力角度达到最大处,且小于产生纤维性结合的最小阀值150 μm,可以用早期负重代替传统延期负重作为治疗种植术与分根术联合治疗方法,并且可以缩短治疗周期。
中图分类号:
[1] Kopp Sigmar, Behrend Detlef, Kundt Gunther, et al. No influence of simultaneous bone-substitute application on the success of immediately loaded dental implants: A retrospective cohort study[J]. Biomedizinische Technik, 2013, 58(3):315-321. [2] 宿玉成.现代口腔种植学[M].北京:人民卫生出版社,2009: 333-338. SU Yucheng. Modern oral implantology[M]. Beijing: Peoples Medical Publishing Hous, 2009: 333-338. [3] PEGORETTI A, FAMBRI L, ZAPPINI G, et al. Finite element analysis of a glass fibre reinforced composite endodontic post[J]. Biomaterials, 2002, 23(13):2667-2682. [4] MEIJER H J A, STARMANS F J M, BOSMAN F, et al. A comparison of three finite element models of edentulous mandible provided with implants[J]. J Oral Rehabil, 1993, 20(2):147-157. [5] TASKONAK B, GRIGGS J A, MECHOLSKY J J, et al. Analysis of subcritical crack growth in dental ceramics using fracture mechanics and fractography[J]. Dent Mater, 2008, 24(5):700-707. [6] HO M H, LEE S Y, CHEN H H, et al. Three-dimensional finite element analysis of the effects of posts on stress distribution in dentin[J]. J Prosthet Dent, 1994, 72(4):367-372. [7] MELLAL A, WISKOTT H W A, BOTSIS J, et al. Stimulating effect of implant loading on surrounding bone. Comparison of three numerical models and validation by in vivo data[J]. Clin Oral Implants Res, 2004, 15(2):239-248. [8] Nakagaki Susumu1, Iijima Masahiro, Handa Keisuke, et al. Micro-CT and histologic analyses of bone surrounding immediately loaded miniscrew implants:Comparing compression and tension loading[J]. Dental Materials Journal, 2014, 33(2):196-202. [9] HAGHERG C. Electromyography and bite force studies of muscular function and dysfunction in masticatory muscles[J]. Swedish Dental Joumal, 1986, 10(1):1-64. [10] 刘旺玉,陈雪林,蔡斌,等.动态咬合下牙周膜的生物力学分析[J].医用生物力学,2013(5):542-547. LIU Wangyu, CHEN Xuelin, CAI Bin, et al. Biomechanical analysis on periodontal ligament in dynamic jaw[J]. Journal of Medical Biomechanics, 2013(5):542-547. [11] 皮昕.口腔解剖生理学[M].北京:人民卫生出版社,2007: 288-289. PI Xi. The physiology of oral anatomy[M]. Beijing: Peoples Medical Publishing Hous, 2007: 288-289. [12] 杨德圣,刘洪臣,顾晓明,等.牙种植体挤压植入后早期骨界面的组织学变化[J].中华老年口腔医学杂志,2005, 3(2):113-114. YANG Desheng, LIN Hongxi, GU Xiaoming, et al. Early bone formation of endosseous dental implants inserted in compresses alveolar bed of miniature swine[J]. Chinese Journal of Geriatric Dentistry, 2005, 3(2):113-114. |
[1] | 陈玲,门玉涛,王加江. 种植术与分根术联合治疗术后牙体可靠性分析[J]. 山东大学学报(理学版), 2016, 51(5): 6-10. |
|