Hydrophobic coatings for prevention of dental enamel erosion

被引：14
作者：
Patino-Herrera, Rosalba [1 ,2 ]
Gonzalez-Alatorre, Guillermo [2 ]
Estrada-Baltazar, Alejandro [2 ]
Escoto-Chavez, S. E. [3 ]
Perez, Elias [1 ,4 ]
机构：
[1] UASLP, Ingn & Ciencia Mat, San Luis Potosi 78210, Slp, Mexico
[2] Inst Tecnol Celaya, Dept Ingn Quim, Guanajuato 38010, Mexico
[3] UASLP, Fac Ingn, San Luis Potosi 78000, Slp, Mexico
[4] UASLP, Inst Fis, San Luis Potosi 78000, Slp, Mexico
来源：
SURFACE & COATINGS TECHNOLOGY | 2015年 / 275卷
关键词：
Hydrophobic; Erosion; Teeth; Hydroxyapatite; Fluorine; HYDROXYAPATITE; FLUORIDE; ACID; REMINERALIZATION; CHITOSAN; SURFACES; EXPOSURE;
D O I：
10.1016/j.surfcoat.2015.05.026
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
The protective effect of a hydrophobic surface against acid erosion was validated in the present work using octadecyltrichlorosilane (OTS) on hydroxyapatite films (HA) and on dental samples. The acid erosion was firstly evaluated on films made of HA and fluorapatite (HAF), and subsequently on films of HA coated by OTS. Our results have shown that the two first films were completely eroded during this evaluation and that no significant erosion was observed for the last film. Indeed, teeth coated with OTS showed no erosion at all after seven days of exposure to citric add. The evaluation was based on QCM-D measurements, SEM images and water contact angle characterization. The results validate that a hydrophobic surface may be an effective tooth protector against add erosion. (C) 2015 Elsevier B.V. All rights reserved.
引用
收藏
页码：148 / 154
页数：7
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