# Evaluation of temperature changes in the pulp chamber during polymerization of pulp capping materials

Korkut, Emre; Tulumbacı, Fatih; Gezgin, Onur; Özer, Hazal; Özcan, Mutlu (2018). Evaluation of temperature changes in the pulp chamber during polymerization of pulp capping materials. Journal of Adhesion Science and Technology, 32(20):2244-2253.

## Abstract

Polymerization of resin-based materials leads to temperature rise, caused by the exothermic nature of the reaction and energy absorbed during polymerization. This temperature rise is influenced by intensity of light, composition of resins, and type of light source. This study evaluated thermal insulating properties of four photo-polymerizing pulp-capping agents in primary and permanent teeth. Roots of 80 primary and permanent teeth were removed. Class-I cavities were prepared on the occlusal surfaces of teeth. Materials used were TheraCal LC, Biner LC, ACTIVA BioACTIVE, and Calciplus LC and light sources were 3 M-Elipar and VALO LED. Temperature rise was measured using a J-type thermocouple. Data were statistically evaluated using ANOVA and Tukeys tests (p = 0.05). VALO LED exhibited significantly lower temperature rise in all groups and temperature rise in primary teeth was significantly higher with all experimental materials (p < 0.05). The highest temperature change was observed in the Biner LC group (3.82 ± 0.58) and the lowest change in the Activa-BioACTIVE group (1.78 ± 0.34). The VALO LED light source caused a significantly lower increase in pulpal temperature compared with the 3 M-Elipar source. All tested materials and light sources maintained pulpal temperature under safe limits, with temperature increases not exceeding 5.5 °C.

## Abstract

Polymerization of resin-based materials leads to temperature rise, caused by the exothermic nature of the reaction and energy absorbed during polymerization. This temperature rise is influenced by intensity of light, composition of resins, and type of light source. This study evaluated thermal insulating properties of four photo-polymerizing pulp-capping agents in primary and permanent teeth. Roots of 80 primary and permanent teeth were removed. Class-I cavities were prepared on the occlusal surfaces of teeth. Materials used were TheraCal LC, Biner LC, ACTIVA BioACTIVE, and Calciplus LC and light sources were 3 M-Elipar and VALO LED. Temperature rise was measured using a J-type thermocouple. Data were statistically evaluated using ANOVA and Tukeys tests (p = 0.05). VALO LED exhibited significantly lower temperature rise in all groups and temperature rise in primary teeth was significantly higher with all experimental materials (p < 0.05). The highest temperature change was observed in the Biner LC group (3.82 ± 0.58) and the lowest change in the Activa-BioACTIVE group (1.78 ± 0.34). The VALO LED light source caused a significantly lower increase in pulpal temperature compared with the 3 M-Elipar source. All tested materials and light sources maintained pulpal temperature under safe limits, with temperature increases not exceeding 5.5 °C.

## Statistics

### Citations

Dimensions.ai Metrics
1 citation in Web of Science®
1 citation in Scopus®
Google Scholar™

### Downloads

88 downloads since deposited on 25 Jan 2019
69 downloads since 12 months
Detailed statistics

## Additional indexing

Item Type: Journal Article, refereed, original work 04 Faculty of Medicine > Center for Dental Medicine > Clinic of Reconstructive Dentistry 610 Medicine & health Physical Sciences > General Chemistry Physical Sciences > Mechanics of Materials Physical Sciences > Surfaces and Interfaces Physical Sciences > Surfaces, Coatings and Films Physical Sciences > Materials Chemistry Materials Chemistry, Mechanics of Materials, General Chemistry, Surfaces, Coatings and Films, Surfaces and Interfaces English 18 October 2018 25 Jan 2019 15:18 29 Jul 2020 09:28 Taylor & Francis 0169-4243 This is an Accepted Manuscript of an article published by Taylor & Francis in Verknüpfungsoperator für Journal of Adhesion Science and Technology on 16 May 2018, available online: http://wwww.tandfonline.com/10.1080/01694243.2018.1472427 Green https://doi.org/10.1080/01694243.2018.1472427

## Download

Preview
Content: Accepted Version
Filetype: PDF
Size: 831kB