Effect of Application Mode and Aging on Microtensile Bond Strength of Universal Adhesives to Enamel of Primary Teeth.

IF 2.3 3区医学 Q2 DENTISTRY, ORAL SURGERY & MEDICINE International journal of paediatric dentistry Pub Date : 2025-01-17 DOI:10.1111/ipd.13293

Dina Hamdy, Stefanie Amend, Susanne Lücker, Roland Frankenberger, Norbert Krämer

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Abstract

Background: Limited reports are available regarding bonding of universal adhesives to primary teeth' enamel.

Aim: To evaluate the effect of application mode and aging on microtensile bond strength (μTBS) of universal adhesives to primary enamel.

Design: Ninety-six human primary molars were randomly assigned to three groups: SU: Scotchbond Universal (3M); CU: Clearfil Universal Bond Quick (Kuraray Noritake); iBU: iBond Universal (Heraeus Kulzer), then subdivided according to phosphoric acid etching time into three subgroups (SG): SG1: 0s; SG2: 15s; SG3: 30s. Samples were incubated for 24 h, while separate samples for SG1 & SG2 were aged for 6 months. After μTBS testing, light microscope was used for evaluating failure patterns and SEM for the adhesive interface. Data were analyzed using linear mixed model and post hoc tests (p < 0.05).

Results: Selective etching increased μTBS of universal adhesives to enamel (p < 0.001) without significance between 15 and 30 s etching (p > 0.05). Six-month aging significantly reduced the μTBS of SU in SG2 (p < 0.014) when compared to 24 h aging.

Conclusions: Selective etching with phosphoric acid remains the gold standard for bonding universal adhesives to primary teeth enamel. While etching time showed no significant effect on immediate μTBS, aging may affect the μTBS of SU applied on 15 s etched enamel.

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应用方式和老化对通用胶粘剂与乳牙牙釉质微拉伸结合强度的影响。

背景：关于通用胶粘剂与乳牙牙釉质粘接的报道有限。目的：探讨通用胶粘剂的使用方式和老化对原牙釉质微拉伸结合强度（μTBS）的影响。设计：96颗人初生磨牙随机分为3组：SU: Scotchbond Universal (3M)；CU: Clearfil Universal Bond Quick (Kuraray Noritake)；iBU: iBond Universal (Heraeus Kulzer)，然后根据磷酸刻蚀时间细分为三个亚组（SG）： SG1: 0s；SG2: 15秒;SG3: 30年代。样品孵育24 h， SG1和SG2分别孵育6个月。μTBS测试后，采用光镜对粘结界面的破坏模式进行评价，SEM对粘结界面进行分析。采用线性混合模型和事后检验对数据进行分析(p)。结果：选择性蚀刻提高了通用粘接剂对牙釉质的μTBS （p 0.05）。结论：磷酸选择性蚀刻仍然是通用胶粘剂与乳牙釉质粘接的金标准。蚀刻时间对瞬时μTBS无显著影响，但老化会影响SU在15s蚀刻牙釉质上的μTBS。

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来源期刊

International journal of paediatric dentistry 医学-小儿科

CiteScore

5.50

自引率

2.60%

发文量

审稿时长

6-12 weeks

期刊介绍： The International Journal of Paediatric Dentistry was formed in 1991 by the merger of the Journals of the International Association of Paediatric Dentistry and the British Society of Paediatric Dentistry and is published bi-monthly. It has true international scope and aims to promote the highest standard of education, practice and research in paediatric dentistry world-wide. International Journal of Paediatric Dentistry publishes papers on all aspects of paediatric dentistry including: growth and development, behaviour management, diagnosis, prevention, restorative treatment and issue relating to medically compromised children or those with disabilities. This peer-reviewed journal features scientific articles, reviews, case reports, clinical techniques, short communications and abstracts of current paediatric dental research. Analytical studies with a scientific novelty value are preferred to descriptive studies. Case reports illustrating unusual conditions and clinically relevant observations are acceptable but must be of sufficiently high quality to be considered for publication; particularly the illustrative material must be of the highest quality.