Sato Hideaki, Ishihata Hiroshi, Kameyama Yutaka, Shimpo Ryokichi, Komasa Satoshi
Department of Mechanical Engineering, Faculty of Science and Engineering, Tokyo City University, 1-28-1 Tamadutsumi, Setagaya-ku, Tokyo 158-8557, Japan.
Department of Periodontology and Endodontology, Graduate School of Dentistry, Tohoku University, 4-1 Seiryo-machi, Aoba-ku, Sendai 980-8575, Japan.
Materials (Basel). 2021 Nov 11;14(22):6805. doi: 10.3390/ma14226805.
Oral dysfunction due to peri-implantitis and shortened life of implants has become a major concern. Self-care and removal of oral biofilms by professional mechanical tooth cleaning (PMTC) are indispensable for its prevention. However, if the surface roughness of the implant is increased, it may result in the adhesion of biofilm in the oral cavity. Therefore, the PMTC method can serve for long-term implant management. Calcium carbonate (CaCO) has been used as a cleaning method for implant surfaces; however, there is concern that the implant surface roughness could increase due to particle collision. Therefore, in this study, to establish a blasting cleaning method that does not adversely affect the implant surface, a new blasting cleaning method using agar particles was devised and its practical application examined. When the simulated stains were blasted with white alumina (WA) abrasive grains and CaCO particles, the simulated stains were almost removed, the surface roughness changed to a satin-finished surface-which was thought to be due to fine scratches-and the surface roughness increased. Most of the simulated stains were removed on the surface of the sample blasted with glycine particles and agar particles. Conversely, the gloss of the sample surface was maintained after cleaning, and the increase in surface roughness was slight.
种植体周围炎导致的口腔功能障碍以及种植体使用寿命缩短已成为一个主要问题。自我护理以及通过专业机械牙齿清洁（PMTC）去除口腔生物膜对于预防该问题不可或缺。然而，如果种植体表面粗糙度增加，可能会导致口腔内生物膜的附着。因此，PMTC方法可用于种植体的长期管理。碳酸钙（CaCO）已被用作种植体表面的清洁方法；然而，人们担心由于颗粒碰撞可能会增加种植体表面粗糙度。因此，在本研究中，为了建立一种对种植体表面无不利影响的喷砂清洁方法，设计了一种使用琼脂颗粒的新型喷砂清洁方法并对其实际应用进行了研究。当用白色氧化铝（WA）磨粒和CaCO颗粒对模拟污渍进行喷砂处理时，模拟污渍几乎被去除，表面粗糙度变为缎面表面——这被认为是由于细微划痕所致——并且表面粗糙度增加。在用甘氨酸颗粒和琼脂颗粒喷砂处理的样品表面，大部分模拟污渍被去除。相反，清洁后样品表面的光泽得以保持，并且表面粗糙度的增加很小。
