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- Title
Intrapulpal Thermal Changes during Setting Reaction of Glass Carbomer® Using Thermocure Lamp.
- Authors
Kahvecioglu, Firdevs; Tosun, Gül; Ülker, Hayriye Esra
- Abstract
Objectives. To measure the temperature increase induced during thermocure lamp setting reaction of glass carbomer and to compare it with those induced by visible light curing of a resin-modified glass ionomer and a polyacid-modified composite resin in primary and permanent teeth. Materials and Methods. Nonretentive class I cavities were prepared in extracted primary and permanent molars. Glass carbomer (GC) was placed in the cavity and set at 60°C for 60 sn using a special thermocure lamp. Resin-modified glass ionomer (RMGIC) and polyacid-modified composite resin (PMCR) were placed in the cavities and polymerized with an LED curing unit. Temperature increases during setting reactions were measured with a J-type thermocouple wire connected to a data logger. Data were examined using two-way analysis of variance and Tukey’s honestly significant difference tests. Results. The use of GC resulted in temperature changes of 5.17 ± 0.92°C and 5.32 ± 0.90°C in primary and permanent teeth, respectively (p>0.05). Temperature increases were greatest in the GC group, differing significantly from those in the PMCR group (p<0.05). Conclusion. Temperature increases during polymerization and setting reactions of the materials were below the critical value in all groups. No difference was observed between primary and permanent teeth, regardless of the material used.
- Subjects
DENTAL bonding; GLASS; ANALYSIS of variance; DENTAL caries; DENTAL pulp; SYNTHETIC gums &; resins; HEAT; MOLARS; POLYMERS; PROBABILITY theory; STATISTICS; TEMPERATURE; DATA analysis; DATA analysis software; DESCRIPTIVE statistics; DECIDUOUS dentition (Tooth development); PERMANENT dentition; EQUIPMENT &; supplies
- Publication
BioMed Research International, 2016, Vol 2016, p1
- ISSN
2314-6133
- Publication type
Article
- DOI
10.1155/2016/5173805