Do all ceramic and composite CAD-CAM materials exhibit equal bonding properties to implant Ti-base materials? An Interfacial Fracture Toughness Study

IF 4.6 1区医学 Q1 DENTISTRY, ORAL SURGERY & MEDICINE Dental Materials Pub Date : 2024-08-05 DOI:10.1016/j.dental.2024.07.014

Yousef Karevan , Maher Eldafrawy , Raphael Herman , Christelle Sanchez , Michaël Sadoun , Amélie Mainjot

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Abstract

Objectives

To compare the interfacial fracture toughness (IFT) with or without aging, of four different classes of CAD-CAM ceramic and composite materials bonded with self-adhesive resin cement to titanium alloy characteristic of implant abutments.

Methods

High translucent zirconia (Katana; KAT), lithium disilicate-based glass-ceramic (IPS. emax.CAD; EMX), polymer-infiltrated ceramic network material (PICN) (Vita Enamic; ENA), and dispersed filler composite (Cerasmart 270; CER) were cut into equilateral triangular prisms and bonded to titanium prisms with identical dimensions using Panavia SA Cement Universal. The surfaces were pretreated following the manufacturers’ recommendations and developed interfacial area ratio (Sdr) of the pretreated surfaces was measured. IFT was determined using the Notchless Triangular Prism test in a water bath at 36 °C before and after thermocycling (10,000 cycles) (n = 40 samples/material).

Results

IFT of the materials ranged from 0.80 ± 0.25 to 1.10 ± 0.21 MPa.m^1/2 before thermocycling and from 0.71 ± 0.24 to 1.02 ± 0.25 MPa.m^1/2 after thermocycling. There was a statistical difference between IFT of CER and the two top performers in each scenario: KAT and EMX before aging, and KAT and ENA after aging. Thermocycling significantly decreased IFT of EMX. The Weibull modulus of IFT was similar for all materials and remained so after thermocycling. Sdr measurements revealed that ENA (7.60)>Ti (4.97)>CER (2.85)>KAT (1.09)=EMX (0.96).

Significance

Dispersed filler CAD-CAM composite showed lower performance than the other materials. Aging only affected IFT of Li-Si glass-ceramic, whereas zirconia and PICN performed equally well, probably due to their chemical bonding potential and surface roughness respectively.

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所有陶瓷和复合 CAD-CAM 材料与种植体钛基材料的结合性能是否相同？界面断裂韧性研究。

目的方法：高透光氧化锆（Katana；KAT）、二硅酸锂基玻璃陶瓷（IPS.emax.CAD；EMX）、聚合物渗入陶瓷网络材料（PICN）（Vita Enamic；ENA）和分散填料复合材料（Cerasmart 270；CER）切割成等边三角形棱柱体，并使用 Panavia SA 水泥通用型粘结剂与相同尺寸的钛棱柱体粘结。按照制造商的建议对表面进行预处理，并测量预处理表面的显影界面面积比 (Sdr)。在热循环（10,000 个循环）前后（n = 40 个样品/材料），在 36 °C水浴中使用无缺口三角棱镜测试法测定了 IFT：结果：材料的 IFT 在热循环前为 0.80 ± 0.25 至 1.10 ± 0.21 MPa.m1/2，热循环后为 0.71 ± 0.24 至 1.02 ± 0.25 MPa.m1/2。在每种情况下，CER 的 IFT 与表现最好的两种之间都存在统计差异：老化前为 KAT 和 EMX，老化后为 KAT 和 ENA。热循环明显降低了 EMX 的 IFT。所有材料的 IFT Weibull 模量相似，在热循环后也是如此。Sdr测量结果显示，ENA（7.60）>Ti（4.97）>CER（2.85）>KAT（1.09）=EMX（0.96）：分散填料 CAD-CAM 复合材料的性能低于其他材料。老化仅对锂硅玻璃陶瓷的 IFT 有影响，而氧化锆和 PICN 的性能相当，这可能分别是由于它们的化学键势和表面粗糙度造成的。

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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来源期刊

Dental Materials 工程技术-材料科学：生物材料

CiteScore

9.80

自引率

10.00%

发文量

290

审稿时长

67 days

期刊介绍： Dental Materials publishes original research, review articles, and short communications. Academy of Dental Materials members click here to register for free access to Dental Materials online. The principal aim of Dental Materials is to promote rapid communication of scientific information between academia, industry, and the dental practitioner. Original Manuscripts on clinical and laboratory research of basic and applied character which focus on the properties or performance of dental materials or the reaction of host tissues to materials are given priority publication. Other acceptable topics include application technology in clinical dentistry and dental laboratory technology. Comprehensive reviews and editorial commentaries on pertinent subjects will be considered.