Effect of Aluminum Chloride Hemostatic Agent on Bonding Strength of RMGIC in Primary Tooth
우승희, 신지선, 이준행, 한미란, 김종수,
소속 상세정보
우승희 ( Woo Seung-Hee ) - Dankook University College of Dentistry Department of Pediatric Dentistry
신지선 ( Shin Ji-Sun ) - Dankook University College of Dentistry Department of Pediatric Dentistry
이준행 ( Lee Joon-Haeng ) - Dankook University College of Dentistry Department of Pediatric Dentistry
한미란 ( Han Mi-Ran ) - Dankook University College of Dentistry Department of Pediatric Dentistry
김종수 ( Kim Jong-Soo ) - Dankook University College of Dentistry Department of Pediatric Dentistry
Abstract
The purpose of this study was to evaluate the effect of a hemostatic agent containing aluminum chloride on the shear bond strength of resin-modified glass ionomer cement (RMGIC) to the dentin of primary teeth. Thirty-six extracted non-carious human primary teeth were collected in this study. Dentin surfaces were cut and polished. The specimens were randomly divided into 4 groups; group I: RMGIC without conditioning; group II: polyacrylic acid (PAA), RMGIC; group III: aluminum chloride, RMGIC; group IV: aluminum chloride, PAA, RMGIC. All teeth were thermocycled between 5.0℃ and 55.0℃ for 5000 cycles. Fifteen specimens from each group were subjected to shear bond strength test and 3 specimens from each group were inspected using scanning electron microscopy (SEM) and energy dispersive X-ray spectroscopy. The mean shear bond strength of each group was as follows: 4.04 ± 0.88 MPa in group I, 8.29 ± 1.40 MPa in group II, 1.39 ± 0.47 MPa in group III, 6.24 ± 2.76 MPa in group IV. There were significant differences among all groups (p<0.001). SEM image of the dentinal tubules were partially exposed in group III and group IV. Fully exposed dentinal tubules were found in group II. In conclusion, aluminum chloride decreased the shear bond strength of RMGIC to dentin, regardless of PAA conditioning.
키워드
Aluminum chloride; Hemostatics; Primary tooth; Resin-modified glass ionomer cement; Shear bond strength
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