The influence of Zircos-E® etchant, silica coating, and alumina air-particle abrasion on the debonding resistance of endocrowns with three different preparation designs

IF 1.7 Q3 DENTISTRY, ORAL SURGERY & MEDICINE Clinical and Experimental Dental Research Pub Date : 2024-05-21 DOI:10.1002/cre2.901

Ahmed Yaseen Alqutaibi, Mohammed Ahmed Alghauli, Karim Dewedar, Mohammed H. AbdElaziz, Samah Saker

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Abstract

Objectives

The study aimed to evaluate the debonding resistance of three different endocrown designs on molar teeth, using three different zirconia surface pretreatments.

Material and Method

Ninety human mandibular first molars were divided into three main groups: endocrowns without ferrule, with 1 mm ferrule, and with 2 mm ferrule. The subgroups were defined by their surface pretreatment method used (n = 15): 50 μm alumina air-particle abrasion, silica coating using 30 μm Cojet™ particles, and Zircos-E® etching. The endocrowns were fabricated using multilayer zirconia ceramic, cemented with self-adhesive resin cement, and subjected to 5000 thermocycles (5–55°C) before debonding. The data obtained were analyzed using a two-way ANOVA.

Results

All test specimens survived the thermocyclic aging. The results indicated that both the preparation design and the surface treatment had a significant impact on the resistance to debonding of the endocrowns (p < .001). The 2 mm ferrule followed by the 1 mm ferrule designs exhibited the highest debonding resistance, both were superior to the endocrown without ferrule. Zircos-E® etching and silica coating yielded comparable debonding resistance, which were significantly higher than alumina air-particle abrasion. All endocrowns demonstrated a favorable failure mode.

Conclusions

All designs and surface treatments showed high debonding resistance for a single restoration. However, ferrule designs with Zircos-E® etching or silica coating may represent better clinical options compared to the nonferrule design or alumina airborne-particle abrasion. Nonetheless, further research, including fatigue testing and evaluations with different luting agents is recommended.

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Zircos-E®蚀刻剂、二氧化硅涂层和氧化铝气粒磨损对三种不同制备设计的内冠的抗脱落性的影响。

研究目的该研究旨在评估三种不同氧化锆表面预处理的磨牙内冠设计的抗脱落性：将 90 颗人类下颌第一磨牙分为三大组：无套圈内冠、带 1 毫米套圈内冠和带 2 毫米套圈内冠。根据所使用的表面预处理方法（n = 15）来确定分组：50 μm 氧化铝空气颗粒研磨、使用 30 μm Cojet™ 颗粒的二氧化硅涂层和 Zircos-E® 蚀刻。使用多层氧化锆陶瓷制作内冠，用自粘树脂粘结剂粘结，并在脱粘前进行 5000 次热循环（5-55°C）。所得数据采用双向方差分析：结果：所有试样都经受住了热循环老化。结果表明，制备设计和表面处理对内冠的抗脱落性都有显著影响（p 结论：所有设计和表面处理都显示出较高的抗脱落性：对于单个修复体而言，所有的设计和表面处理都显示出较高的抗脱落性。不过，与非卡环设计或氧化铝空气颗粒磨蚀相比，带有 Zircos-E® 蚀刻或二氧化硅涂层的卡环设计可能是更好的临床选择。尽管如此，还是建议进行进一步的研究，包括疲劳测试和使用不同粘结剂的评估。

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来源期刊

Clinical and Experimental Dental Research DENTISTRY, ORAL SURGERY & MEDICINE-

CiteScore

3.30

自引率

5.60%

发文量

165

审稿时长

26 weeks

期刊介绍： Clinical and Experimental Dental Research aims to provide open access peer-reviewed publications of high scientific quality representing original clinical, diagnostic or experimental work within all disciplines and fields of oral medicine and dentistry. The scope of Clinical and Experimental Dental Research comprises original research material on the anatomy, physiology and pathology of oro-facial, oro-pharyngeal and maxillofacial tissues, and functions and dysfunctions within the stomatognathic system, and the epidemiology, aetiology, prevention, diagnosis, prognosis and therapy of diseases and conditions that have an effect on the homeostasis of the mouth, jaws, and closely associated structures, as well as the healing and regeneration and the clinical aspects of replacement of hard and soft tissues with biomaterials, and the rehabilitation of stomatognathic functions. Studies that bring new knowledge on how to advance health on the individual or public health levels, including interactions between oral and general health and ill-health are welcome.