The effect of different surface treatments on the bond strength of PEEK composite materials

被引:159
作者
Zhou, Li [1 ,2 ]
Qian, Yuetong [3 ]
Zhu, Ye [4 ]
Liu, Hong [1 ,2 ]
Gan, Kang [1 ,2 ]
Guo, Jing [1 ,2 ]
机构
[1] Jilin Univ, Coll Stomatol, Changchun 130021, Peoples R China
[2] Jilin Univ, Hosp Stomatol, Changchun 130021, Peoples R China
[3] Jilin Univ, Clin Med Coll, Changchun 130021, Peoples R China
[4] Jilin Univ, Coll Stomatol, Alan G Macdiamid Inst, Changchun 130021, Peoples R China
关键词
PEEK; Surface treatment; Shear bond strength; Luting cement; SEM; RESIN CEMENT; POLYETHERETHERKETONE; ADHESION;
D O I
10.1016/j.dental.2014.03.011
中图分类号
R78 [口腔科学];
学科分类号
100302 [口腔临床医学];
摘要
Objectives. To evaluate the effect of different surface treatments on the bond strength between polyetheretherketone (PEEK) composite materials and each of two different luting cements. Methods. One hundred specimens were randomly divided into five groups (n = 20/group) as follows: (A) no treatment, (B) 98% sulfuric acid, (C) 9.5% hydrofluoric acid, (D) argon plasma treatment, and (E) sandblast with 50 mu m Al2O3 particles. Each group was divided into two subgroups of different cements: RelyX (TM) Unicem and SE Bond/Clearfil AP-X (TM). The cements were bonded onto the specimens. All specimens were stored in distilled water at 37 degrees for 24 h. Bond strength was measured in a shear test, and failure modes were assessed by stereomicroscopy. The surfaces were observed by SEM after the different pretreatments. Results. Etching with 98% sulfuric acid and argon plasma treatment can significantly enforce the bond strength of RelyX (TM) Unicem or SE Bond/Clearfil AP-X (TM) to PEEK composite materials in comparison to the group of no treatment, hydrofluoric acid or sandblasting (p < 0.05). No adhesion was established on the groups of no treatment and hydrofluoric acid when RelyX (TM) Unicem was used. Applying the SE Bond/Clearfil AP-X (TM) system, no statistical differences were found whether hydrofluoric acid was applied or not (p > 0.05). The shear bond strength value of using SE Bond/Clearfil AP-X (TM) was higher than that of using RelyX (TM) Unicem with the same surface conditioning method (p < 0.05). Significance. The use of SE Bond/Clearfil AP-X (TM) after the surface of PEEK composite material treated with sulfuric acid or argon plasma can be recommended as an effective bonding method. (C) 2014 Academy of Dental Materials. Published by Elsevier Ltd. All rights reserved.
引用
收藏
页码:E209 / E215
页数:7
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