The antibacterial and physicochemical properties of a one-step dental adhesive modified with potential antimicrobial agents

被引：7
作者：
Cocco, Alexandra R. [1 ,2 ]
Maske, Tamires T. [1 ,2 ]
Lund, Rafael G. [1 ,2 ]
Moraes, Rafael R. [2 ]
机构：
[1] Univ Fed Pelotas, Lab Oral Microbiol, Pelotas, RS, Brazil
[2] Univ Fed Pelotas, Grad Program Dent, Rua Goncalves Chaves 457,Room 505, BR-96015560 Pelotas, RS, Brazil
来源：
INTERNATIONAL JOURNAL OF ADHESION AND ADHESIVES | 2016年 / 71卷
关键词：
Antibacterial adhesives; Self-etch adhesive; Dentine; Micro-tensile; TEA TREE OIL; COMPOSITE RESTORATIONS; MECHANICAL-PROPERTIES; NANO-SILVER; ZINC-OXIDE; IN-VITRO; RESIN; METHACRYLATE; TERPINEN-4-OL; INHIBITION;
D O I：
10.1016/j.ijadhadh.2016.08.012
中图分类号：
TQ [化学工业];
学科分类号：
0817 ;
摘要：
This study investigated the effect of antimicrobial agents on the antibacterial potential of a one-step dental adhesive. Zinc silicate microparticles (ZnSi), silver microparticles (Ag), or essential oil of tea tree (terpinen-4-ol, Tr) were added at 0.5 wt% or 1 wt%. Additional analysis included pH, degree of C=C conversion (DC), translucency parameter (TP), water sorption/solubility (W-SR/SL), morphology of bonded interfaces, and dentin microtensile bond strengths (mu TBS) after 24 h or 6 months. Antibacterial potential was assessed using a microcosm biofilm model. Data were statistically analyzed at alpha=0.05. DC, W-SR/SL, and bonding morphology were not affected by antimicrobial incorporation. ZnSi and Ag increased pH and improved immediate mu TBS, generating more stable dentin bonds after 6 months. Tr showed the poorest results for mu TBS. Ag 1% was the adhesive with lower TP. In general the best antibiofouling results were observed for Ag 0.5 wt%, although all antibacterial agents showed some antibiofouling effect. (C) 2016 Elsevier Ltd. All rights reserved.
引用
收藏
页码：74 / 80
页数：7
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