Influence of Cleaning Procedures and Aging on Shear Bond Strength of 3Y, 4Y, and 5Y Zirconia to Titanium.

IF 1.8

The International journal of prosthodontics Pub Date : 2025-09-25 DOI:10.11607/ijp.9154

Michael A Reinelt, Sebastian Hahnel, Michael Behr, Martin Rosentritt

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Abstract

Purpose: To investigate the effect of cleaning procedures (ultrasonic, autoclaving) and aging methods (24 hours, 90 days, and thermocycling) on the shear bond strength (SBS) between alumina-particle air-abraded titanium (Ti) and zirconia (Zr; 3Y-, 4Y-, and 5Y-TZP) specimens luted with phosphate monomer-containing adhesive systems and resin-based composite.

Materials and methods: Lab-side-fabricated test specimens were prepared by bonding different Zr plates to Ti cylinders using a resin-based composite. The cleaning procedures included ultrasonic cleaning and purging (UUP) or two stages of purging and autoclaving (PPA). The specimens were then aged for 24 hours, 90 days, or had to endure thermocycling.

Results: Autoclaving significantly improved SBS (F [27,231] = 17.265, P < .001) compared to no cleaning and three-stage disinfection.

Conclusions: No differences were identified with regard to Zr or aging methods. Bond strength initially benefits from autoclaving but continuously approaches the comparative values over longer periods.

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清洁程序和老化对 3Y、4Y 和 5Y 氧化锆与钛的剪切邦德强度的影响。

实验室侧制作的基台和混合氧化锆冠是用树脂基复合材料粘结在钛基底上的，在插入前需要消毒。本研究调查了清洗程序（超声波、高压灭菌）和老化方法（24 小时、90 天、热循环）对氧化铝颗粒空气消融钛和氧化锆（3Y-、4Y- 和 5Y-TZP）试样与含磷酸单体粘合剂系统和树脂基复合材料粘结的剪切粘结强度的影响。与不清洗和三级消毒相比，高压灭菌可明显改善 SBS（F (27,231) = 17.265, p < .001）。氧化锆和老化方法之间没有差异。粘接强度最初受益于高压灭菌，但随着时间的延长会不断接近比较值。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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The International journal of prosthodontics

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