Osteoblastlike Cell Adhesion on Titanium Surfaces Modified by Plasma Nitriding

被引：0
|
作者：
Pereira da Silva, Jose Sandro [1 ]
Amico, Sandro Campos [2 ]
Neves Rodrigues, Almir Olegario [3 ]
Galvao Barboza, Carlos Augusto [4 ]
Alves, Clodomiro, Jr. [3 ]
Croci, Alberto Tesconi [5 ]
机构：
[1] Univ Fed Rio Grande do Norte, Dept Odontol, BR-59056000 Natal, RN, Brazil
[2] Univ Fed Rio Grande do Sul, Dept Mat, Porto Alegre, RS, Brazil
[3] Univ Fed Rio Grande do Norte, Lab Proc Mat Plasma, BR-59056000 Natal, RN, Brazil
[4] Univ Fed Rio Grande do Norte, Dept Morfol, BR-59056000 Natal, RN, Brazil
[5] Univ Sao Paulo, Fac Med, Inst Ortopedia & Traumatol, Sao Paulo, Brazil
来源：
INTERNATIONAL JOURNAL OF ORAL & MAXILLOFACIAL IMPLANTS | 2011年 / 26卷 / 02期
关键词：
cell growth; osteoblast adhesion; plasma nitriding; titanium; IN-VITRO; GLOW-DISCHARGE; GROUND TITANIUM; ROUGHNESS; ALLOYS; DIFFERENTIATION; ORGANIZATION; WETTABILITY; ATTACHMENT; CHEMISTRY;
D O I：
暂无
中图分类号：
R78 [口腔科学];
学科分类号：
1003 ;
摘要：
Purpose: The aim of this study was to evaluate the characteristics of various titanium surfaces modified by cold plasma nitriding in terms of adhesion and proliferation of rat osteoblastlike cells. Materials and Methods: Samples of grade 2 titanium were subjected to three different surface modification processes: polishing, nit riding by plasma direct current, and nitriding by cathodic cage discharge. To evaluate the effect of the surface treatment on the cellular response, the adhesion and proliferation of osteoblastlike cells (MC3T3) were quantified and the results were analyzed by Kruskal-Wallis and Friedman statistical tests. Cellular morphology was observed by scanning electron microscopy. Results: There was more MC3T3 cell attachment on the rougher surfaces produced by cathodic cage discharge compared with polished samples (P < .05). Conclusions: Plasma nitriding improves titanium surface roughness and wettability, leading to osteoblastlike cell adhesion. INT J ORAL MAXILLOFAC IMPLANTS 2011;26:237-244
引用
收藏
页码：237 / 244
页数：8
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