Abstract
Objective: To compare the color stability of Cention N, Fuji IX GP Extra, and Fuji IX GP after thermocycling. Material and Methods: Ten discs of each material of dimension 10 x 1 mm were prepared using a split mold. The preparations of the specimens were done according to the powder/liquid ratio as recommended by the manufacturers [4.6:1, 3.4:1 and 3.6:1 for the groups I, II, and III, respectively]. After setting, the samples were retrieved, and the thickness of each specimen was measured using a micrometer at five different locations. The specimens with variations in thickness, porosity or cracks were discarded and thus not included in the study. The selected specimens were stored in distilled water for 24 hours prior to testing. The prepared specimens were thermocycled at 5°C and 55°C, with a dwell time of 15 seconds for 250 or 500 cycles. Subsequently, the color parameters of the discs were measured using a spectrophotometer. The data were analyzed using two way ANOVA test, and a p-value <0.001 was considered. Results: Thermocycling resulted in changes in the color of both Glass Ionomer cement and Cention N (p<0.001). Among the materials tested, Cention N showed superior color stability. Conclusion: Cention N exhibited better color stability compared to Glass ionomer cements.
Highlights
The demand for dental esthetic procedures has tremendously increased in the recent past
Cention N exhibited better color stability compared to Glass ionomer cements
Research and innovation in these materials, processing methods, and manipulation techniques have led to the development of a variety of dental composites to cater to the needs of a wide range of clinical conditions
Summary
The demand for dental esthetic procedures has tremendously increased in the recent past. In order to cater for such needs a variety of materials have been developed [1]. A combination of a resinous matrix with inert dispersed filler particles coupled with a silane agent, have been introduced as an alternative choice of materials [3]. Research and innovation in these materials, processing methods, and manipulation techniques have led to the development of a variety of dental composites to cater to the needs of a wide range of clinical conditions. Composites are known to have no anticariogenicity and cause post-operative sensitivity. To overcome these drawbacks, attempts have been made to combine the composites with GIC [2,3]
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