Effect of Three Heating Guns on the Temperature of Two Bulk-Fill Resin-Based Composites

IF 4.1 3区医学 Q1 DENTISTRY, ORAL SURGERY & MEDICINE Journal of Esthetic and Restorative Dentistry Pub Date : 2025-03-17 DOI:10.1111/jerd.13457

Juliana Anany Gonzales Guarneri, Cristiane Maucoski, Fabrício Mezzomo Collares, Richard Bengt Price, Cesar Augusto Galvão Arrais

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Abstract

Objective

To evaluate the effect of three heating guns—Phasor (Vista Apex, Racine, USA), VisCalor (VOCO, Cuxhaven, Germany), and Compex HD (AdDent Inc. Danbury, USA)—on the temperature changes of two bulk-fill resin-based composites (RBCs): VisCalor Bulk (VBF, VOCO) and Filtek One Bulk Fill Restorative (OBF, Solventum, St. Paul, USA).

Materials and Methods

Temperature changes were measured using a thermal camera (PI 640i, Optris Infrared Measurements, Berlin, Germany) during insertion and photocuring in a simulated proximal box of a Class II cavity and within the RBC capsules during heating. The RBCs were photocured using the Bluephase PowerCure (Ivoclar, Schaan, Liechtenstein) for 20s. Data were analyzed using repeated measures ANOVA and Tukey's test for each RBC (α = 0.05). The temperature of the RBCs at the same depth were analyzed by t-test (α = 0.05).

Results

OBF heated with Compex produced the lowest temperature rise at the pulpal floor (2.7°C ± 0.4°C), while VBF heated with Phasor produced the highest (8.8°C ± 2.4°C). The greatest temperature increases were at the top of the restoration. OBF heated with Phasor reached 48.6°C ± 4.7°C. The Phasor and VisCalor produced two temperature peaks in the RBC inside the capsule, while the Compex maintained a steady peak temperature.

Conclusion

The heating gun and RBC produced different temperatures when heating, inserting, and light-activation of the RBCs.

Clinical Significance

The choice of RBC and heating gun can substantially affect the temperature of the RBC and influence its handling properties.

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三种加热枪对两种块状填充树脂基复合材料温度的影响

目的：评估三种加热枪的效果：评估三种加热枪--Phasor（Vista Apex，美国 Racine）、VisCalor（VOCO，德国 Cuxhaven）和 Compex HD（AdDent Inc：材料和方法：使用热像仪（PI 640i，Optris Infrared Measurements，德国柏林）测量插入和光固化过程中的温度变化，以及模拟 II 类龋洞近端盒和加热过程中 RBC 囊内的温度变化。使用 Bluephase PowerCure（Ivoclar，Schaan，列支敦士登）对 RBC 进行 20 秒钟的光固化。采用重复测量方差分析和 Tukey 检验对每个 RBC 进行数据分析（α = 0.05）。同一深度的 RBC 温度采用 t 检验进行分析（α = 0.05）：结果：使用康培加热的 OBF 在牙髓底层产生的温升最低（2.7°C ± 0.4°C），而使用 Phasor 加热的 VBF 产生的温升最高（8.8°C ± 2.4°C）。修复体顶部的温度上升幅度最大。使用 Phasor 加热的 OBF 达到 48.6°C ± 4.7°C。Phasor和VisCalor在囊内的RBC中产生了两个温度峰值，而Compex则保持了一个稳定的温度峰值：结论：加热枪和 RBC 在加热、插入和光激活 RBC 时产生不同的温度：临床意义：RBC 和加热枪的选择会极大地影响 RBC 的温度，并影响其操作性能。

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来源期刊

Journal of Esthetic and Restorative Dentistry 医学-牙科与口腔外科

CiteScore

6.30

自引率

6.20%

发文量

124

审稿时长

>12 weeks

期刊介绍： The Journal of Esthetic and Restorative Dentistry (JERD) is the longest standing peer-reviewed journal devoted solely to advancing the knowledge and practice of esthetic dentistry. Its goal is to provide the very latest evidence-based information in the realm of contemporary interdisciplinary esthetic dentistry through high quality clinical papers, sound research reports and educational features. The range of topics covered in the journal includes: - Interdisciplinary esthetic concepts - Implants - Conservative adhesive restorations - Tooth Whitening - Prosthodontic materials and techniques - Dental materials - Orthodontic, periodontal and endodontic esthetics - Esthetics related research - Innovations in esthetics