Influence of acidic solutions on surface roughness of polished and glazed CAD-CAM restorative materials.

IF 2.4 2区医学 Q2 DENTISTRY, ORAL SURGERY & MEDICINE Head & Face Medicine Pub Date : 2025-03-01 DOI:10.1186/s13005-025-00486-w

Kübra Nur Tad, Ayhan Gürbüz, Perihan Oyar

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Abstract

Background: The purpose of this in vitro study was to compare the surface roughness (Ra) changes of different dental ceramic materials with different compositions, which were applied two different surface treatments after exposure to acidic pH. The purpose of this in vitro study was to compare the Ra changes of different CAD-CAM materials with different compositions, which were applied two different surface treatments, after exposure to acidic pH.

Methods: A total of the 168 samples (12 × 14 × 2 mm) were obtained from ceramic blocks (IPS e.max CAD (LDS)), GC Cerasmart (RNC-C), Lava Ultimate (RNC-L), and Vita Enamic (PIC). Half of each group was subjected to mechanical polishing, and the other half was glazed. After the initial Ra evaluations were made, the samples classified with 7 in each subgroup were kept in three different solutions (citric acid, Coca-Cola, and artificial saliva-control group). After 168 h, surface roughness values of the specimens were measured again.

Results: In the RNC-C samples, varying surface treatments and exposure to various solutions did not produce a statistically significant difference. Different acidic solutions did not affect the Ra values of LDS and RNC-C ceramics. The percentage change in Ra values in the glazed samples of PIC exposed to Coca-Cola and RNC-L exposed to artificial saliva were higher than those applied mechanical polishing.

Conclusion: The Ra values of RNC-C ceramics were not affected by both surface treatment and acid exposure. The percentage change in Ra values was highest in PIC ceramics. In general, glazed samples had larger Ra change values and higher percentage change in Ra values than manually polished ones.

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酸性溶液对抛光和釉面CAD-CAM修复材料表面粗糙度的影响。

背景：本实验的目的是比较不同成分牙科陶瓷材料在酸性ph下表面处理后的表面粗糙度（Ra）变化。本实验的目的是比较不同成分CAD-CAM材料在酸性ph下表面处理后Ra的变化。从陶瓷块（IPS e.max CAD (LDS)）、GC Cerasmart （RNC-C）、Lava Ultimate （RNC-L）和Vita Enamic （PIC）共获得168个样品（12 × 14 × 2 mm）。每组一半进行机械抛光，另一半上釉。在进行初步Ra评估后，将每个亚组分为7的样品保存在三种不同的溶液中（柠檬酸、可口可乐和人工唾液对照组）。168 h后，再次测量试样的表面粗糙度值。结果：在RNC-C样品中，不同的表面处理和暴露于不同的溶液中没有产生统计学上的显著差异。不同的酸性溶液对LDS和RNC-C陶瓷的Ra值没有影响。经可口可乐处理的PIC和经人工唾液处理的RNC-L釉面样品的Ra值变化百分比高于机械抛光处理的样品。结论：RNC-C陶瓷的Ra值不受表面处理和酸暴露的影响。在PIC陶瓷中Ra值的变化百分比最高。一般来说，与手工抛光样品相比，釉面样品的Ra变化值更大，Ra值变化百分比更高。

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

Head & Face Medicine DENTISTRY, ORAL SURGERY & MEDICINE-

CiteScore

4.70

自引率

3.30%

发文量

审稿时长

>12 weeks

期刊介绍： Head & Face Medicine is a multidisciplinary open access journal that publishes basic and clinical research concerning all aspects of cranial, facial and oral conditions. The journal covers all aspects of cranial, facial and oral diseases and their management. It has been designed as a multidisciplinary journal for clinicians and researchers involved in the diagnostic and therapeutic aspects of diseases which affect the human head and face. The journal is wide-ranging, covering the development, aetiology, epidemiology and therapy of head and face diseases to the basic science that underlies these diseases. Management of head and face diseases includes all aspects of surgical and non-surgical treatments including psychopharmacological therapies.