Interfacial assessment of cention forte vs. equia forte and two forms of calcium silicate cements at two time intervals.

IF 2.5 Q2 DENTISTRY, ORAL SURGERY & MEDICINE
Heba Abdelkafy, Nada A Salem, Rasha Mohamed Marzouk, Alaa M Eldehna
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Abstract

Aim: Assessment of interfacial gaps and mechanical impact of the materials layering between Cention Forte and Equia Forte restorations with two forms of Calcium Silicate Cements (CSCs) at the interfacial surface at two-time intervals.

Methodology: Six groups of 72 primary molars were categorized by restorative material type and CSCs: Cention Forte(C), Cention Forte without primer (Cx), and Equia Forte (EQ). All were applied over MTA Angelus powder (M) or Bio-C Repair putty (P). Restorative materials were applied immediately (subgroup A) or delayed (Subgroup B). SEM was used to detect interface gaps. EDX measured element migration from the interface at specific distances. Vickers Microhardness Tester assessed microhardness.

Results: Regarding SEM, there were no gaps between CSCs interfaces of both types (Powder and Putty) with all restorations at two-time intervals. Microhardness, there was a statistically nonsignificant difference between subgroups A & B in all groups except at 200 µm in the Cention groups (subgroup A) was significantly lower than (subgroup B) (P = 0.002, 0.03) respectively. At 400 µm in the MTA Angelus powder Group Cx, subgroup A was significantly higher than subgroup B (P = 0.003*). While Bio-C Repair putty in Group EQ (subgroup A) was significantly higher than (Subgroup B) (P < 0.0001*).

Conclusions: The delayed application of Cention Forte over two types of CSCs is useful in getting the maximum HV and, in turn, the long survival rate of the filling. Immediate application of Cention Forte without primer is better over both types of CSCs. The delayed application of Equia Forte over MTA angelus powder is more considerable.

Abstract Image

在两个时间间隔内对 cention forte 与 equia forte 以及两种形式的硅酸钙水泥进行界面评估。
目的:评估Cention Forte和Equia Forte修复体之间的界面间隙和材料分层的机械影响,在界面表面使用两种形式的硅酸钙水门汀(CSC),每隔两次:按修复材料类型和 CSCs 对六组 72 颗初级磨牙进行分类:Cention Forte (C)、Cention Forte(无底漆)(Cx) 和 Equia Forte (EQ)。所有材料都覆盖在 MTA Angelus 粉末 (M) 或 Bio-C 修复腻子 (P) 上。修复材料立即使用(A 组)或延迟使用(B 组)。SEM 用于检测界面间隙。EDX 测量元素从特定距离的界面迁移的情况。维氏硬度计对显微硬度进行评估:扫描电子显微镜(SEM)显示,所有修复体的两种类型(粉末和油灰)界面之间都没有间隙。显微硬度方面,除了在 200 微米处 Cention 组(A 组)明显低于 B 组(P = 0.002,0.03)外,A 组和 B 组在所有组别中均无显著差异。在 MTA Angelus 粉末 Cx 组中,400 微米处 A 亚组明显高于 B 亚组(P = 0.003*)。而 EQ 组(A 子组)的 Bio-C 修复腻子明显高于(B 子组)(P 结论):在两种类型的 CSC 上延迟使用 Cention Forte 有助于获得最大 HV 值,进而延长填充物的存活率。在两种类型的 CSC 上立即使用 Cention Forte 而不使用底漆的效果更好。在 MTA 安琪拉粉上延迟使用 Equia Forte 的效果更为显著。
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
BDJ Open
BDJ Open Dentistry-Dentistry (all)
CiteScore
3.70
自引率
3.30%
发文量
34
审稿时长
30 weeks
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