金属底漆对树脂水泥与Co-Cr合金结合强度的影响。

Q3 Medicine

Minerva stomatologica Pub Date : 2019-10-01 DOI:10.23736/S0026-4970.19.04210-9

Eloisa H Aranda Garcia de Souza, Sandrine B Berger, Eloisa A Carlesse Paloco, Rodrigo V Caixeta, Thais S Moretto, Murilo B Lopes, Alcides Gonini, Ricardo D Guiraldo

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引用次数: 0

摘要

背景:研究不同粘结体系和底漆体系对化学活化树脂与钴铬铸造牙科合金微剪切粘接强度的影响。方法:制备72块Co-Cr金属合金矩形块，用50 μm Al2O3颗粒对其进行空气研磨。使用金属底漆(合金底漆[AP]或Clearfil陶瓷底漆[CP])和粘合剂(由Adper Scotchbond多功能粘合剂催化剂[SASC]活化的Adper Scotchbond多功能粘合剂，或由自固化活化剂[PBCA]活化的primer & Bond 2.1)，随后分为六组(SASC;美联社+ SASC;CP + SASC;PBCA;美联社+ PBCA;CP + PBCA;n = 12)。然后，应用树脂水泥(强制)。采用方差分析和Tukey检验对微剪切粘结强度数据进行统计学评价。结论:底漆的应用提高了水泥树脂与Co-Cr金属合金的结合强度。

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Effect of metal primers on the bond strength of resin cement to Co-Cr alloy.

Background: To evaluate the effects of adhesive systems and primer systems on microshear bond strength of chemically activated resin cemented to Co-Cr cast dental alloy.

Methods: Seventy-two rectangular blocks of Co-Cr metal alloy were manufactured and air-abraded with 50-μm Al2O3 particles. Metal primers (alloy primer [AP] or Clearfil ceramic primer [CP]) and adhesives (Adper Scotchbond Multi-Purpose Adhesive activated by Adper Scotchbond Multi-Purpose Adhesive Catalyst [SASC], or Primer & Bond 2.1 activated by Self Cure Activator [PBCA]) were applied and subsequently divided into six groups (SASC; AP+SASC; CP+SASC; PBCA; AP+PBCA; CP+PBCA; N.=12). Then, resin cement (Enforce) was applied. Data about microshear bond strength values were statistically evaluated by analysis of variance and Tukey's test.

Results: The bond strength was lower (P<0.001) in groups with adhesive system alone (SASC and PBCA) compared with groups with addition of primers alloy primer (AP+SASC and AP+PBCA) and ceramic primer (CP+SASC and CP+PBCA).

Conclusions: The application of primers improves the bond strength of the cement resin to the Co-Cr metal alloy.

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来源期刊

Minerva stomatologica DENTISTRY, ORAL SURGERY & MEDICINE-

CiteScore

1.50

自引率

0.00%

发文量

期刊介绍： The journal Minerva Stomatologica publishes scientific papers on dentistry and maxillo-facial surgery. Manuscripts may be submitted in the form of editorials, original articles, review articles, case reports, therapeutical notes, special articles and letters to the Editor. Manuscripts are expected to comply with the instructions to authors which conform to the Uniform Requirements for Manuscripts Submitted to Biomedical Editors by the International Committee of Medical Journal Editors (www.icmje.org). Articles not conforming to international standards will not be considered for acceptance.