Assessing the bond strength of short fiber composites to dentin using various air abrasion particles.

IF 3.2 2区医学 Q1 DENTISTRY, ORAL SURGERY & MEDICINE

Journal of prosthodontic research Pub Date : 2025-01-08 DOI:10.2186/jpr.JPR_D_24_00159

Ece Ucar Başol, Isil Cekic-Nagas, Sufyan Garoushi, Emre Nagas, Pekka Kalevi Vallittu, Lippo Veli Juhana Lassila

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Abstract

Purpose: This study investigated the bond strength between short fiber-reinforced resin composite (SFC) and dentin following air abrasion with various types of abrasive particles.

Methods: A total of 120 human molars were prepared for a shear bond strength (SBS) test of the resin composite. The teeth were divided into 12 groups (n = 10/group) based on the air abrasion particle used. Half of the groups underwent phosphoric acid etching (10 s) prior to air abrasion, while the other half received no pretreatment. Air abrasion was performed using five types of particles, after which a two-part adhesive (G2 Bond) and SFC were applied on the treated surfaces. The SBS test was performed using a universal testing machine at a crosshead speed of 1.0 mm/min until failure. Two additional specimens from each group were prepared to evaluate the air abraded surface using scanning electron microscopy after being stored in simulated body fluid (SBF) for two weeks. Statistical analysis was performed using two-way analysis of variance and the Tukey test (α = 0.05).

Results: The highest SBS values were observed in the control group (18.9 MPa), which did not undergo air abrasion. The use of different air abrasion particles affected the SBS of SFC to dentin (P < 0.05), as air abrasion with jet sand in the absence of pre-etching differed significantly from the other Cojet group (P < 0.05).

Conclusions: Air abrasion with various particles did not improve the bond strength between the SFC and dentin.

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利用不同空气磨损颗粒评价短纤维复合材料与牙本质的结合强度。

目的：研究不同类型磨料对短纤维增强树脂复合材料（SFC）与牙本质的结合强度。方法：制备120颗人磨牙，进行树脂复合材料的剪切粘结强度（SBS）试验。根据使用的空气磨蚀颗粒分为12组（n = 10/组）。一半组在空气磨损前进行磷酸蚀刻（10 s），另一半组不进行预处理。使用五种类型的颗粒进行空气磨损，然后在处理后的表面涂上两组分粘合剂（G2 Bond）和SFC。SBS试验采用万能试验机，十字速度1.0 mm/min，直至失效。在模拟体液（SBF）中储存两周后，每组另外制备两份标本，用扫描电镜评估空气磨损表面。统计学分析采用双因素方差分析和Tukey检验（α = 0.05）。结果：未进行空气磨损的对照组SBS值最高（18.9 MPa）。不同空气磨蚀颗粒的使用影响了SFC对牙本质的SBS (P < 0.05)，其中未进行预蚀刻的射流砂空气磨蚀与其他Cojet组差异显著（P < 0.05）。结论：不同颗粒气磨均不能提高SFC与牙本质的结合强度。

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

Journal of prosthodontic research DENTISTRY, ORAL SURGERY & MEDICINE-

CiteScore

6.90

自引率

11.10%

发文量

161

期刊介绍： Journal of Prosthodontic Research is published 4 times annually, in January, April, July, and October, under supervision by the Editorial Board of Japan Prosthodontic Society, which selects all materials submitted for publication. Journal of Prosthodontic Research originated as an official journal of Japan Prosthodontic Society. It has recently developed a long-range plan to become the most prestigious Asian journal of dental research regarding all aspects of oral and occlusal rehabilitation, fixed/removable prosthodontics, oral implantology and applied oral biology and physiology. The Journal will cover all diagnostic and clinical management aspects necessary to reestablish subjective and objective harmonious oral aesthetics and function. The most-targeted topics: 1) Clinical Epidemiology and Prosthodontics 2) Fixed/Removable Prosthodontics 3) Oral Implantology 4) Prosthodontics-Related Biosciences (Regenerative Medicine, Bone Biology, Mechanobiology, Microbiology/Immunology) 5) Oral Physiology and Biomechanics (Masticating and Swallowing Function, Parafunction, e.g., bruxism) 6) Orofacial Pain and Temporomandibular Disorders (TMDs) 7) Adhesive Dentistry / Dental Materials / Aesthetic Dentistry 8) Maxillofacial Prosthodontics and Dysphagia Rehabilitation 9) Digital Dentistry Prosthodontic treatment may become necessary as a result of developmental or acquired disturbances in the orofacial region, of orofacial trauma, or of a variety of dental and oral diseases and orofacial pain conditions. Reviews, Original articles, technical procedure and case reports can be submitted. Letters to the Editor commenting on papers or any aspect of Journal of Prosthodontic Research are welcomed.