Osseointegration in Zirconia Implants Stumbling into Evidence

Poojya Ramdev, C. Shruthi, Rimmi Jangada, Disha Kothari
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Abstract

Osseointegration is a critical factor for the clinical success of any oral implants. The unique characteristics of zirconia as a material for dental implants being high toughness and strength, aesthetic factor, excellent osseointegration behaviour and biocompatibility. Implants with rough surface favour bone anchoring, biomechanical stability, increased bone implant contact and removal torque or push in strength values compared to smooth surface implants. Greyish discoloration of peri-implant mucosa is a challenge especially in anterior titanium implant restoration. Zirconia abutments customized for single crown showed excellent survival for 5 years. Restoring single tooth and up to 3 adjacent missing teeth with zirconia implants are compatible to titanium implants. Evidence exists on improved osseointegration on surface modification of zirconia implants with enhanced cell response. Zirconia implants with modified surface displays features of osseointegration similar to titanium implants. Results are promising for dental application in future.
氧化锆植入物的骨整合研究进展
骨整合是口腔种植体临床成功的关键因素。氧化锆作为种植体材料具有高韧性、高强度、美观、良好的骨整合性能和生物相容性等特点。与表面光滑的种植体相比,表面粗糙的种植体有利于骨锚定,生物力学稳定性,增加骨种植体接触和移除扭矩或强度值。种植体周围粘膜的变灰是一个挑战,特别是在前路钛种植体修复。单冠定制的氧化锆基牙具有良好的5年存活率。用氧化锆种植体修复单个牙齿和多达3个相邻的缺失牙齿与钛种植体兼容。有证据表明,氧化锆种植体的表面修饰可以改善骨整合,增强细胞反应。表面修饰的氧化锆种植体具有与钛种植体相似的骨整合特性。研究结果为今后的牙科应用提供了良好的前景。
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