Effect of Acidic Environment on the Push-Out Bond Strength and Surface Morphology of Tricalcium Silicate Materials (산성 환경이 Tricalcium Silicate 재료의 압출강도와 표면형태에 미치는 영향)

박미선; 김재환; Choi Nam-Ki (최남기); Kim Seon Mi (김선미)

doi:10.5933/JKAPD.2016.43.2.137

Effect of Acidic Environment on the Push-Out Bond Strength and Surface Morphology of Tricalcium Silicate Materials

Journal of the Korean academy of pediatric dentistry
Abbr : J Korean Acad Pediatr Dent
2016, 43(2), pp.137~144
DOI : 10.5933/JKAPD.2016.43.2.137
Publisher : The Korean Academy Of Pediatric Dentistry
Research Area : Medicine and Pharmacy > Dentistry

박미선 ¹, 김재환 ¹, Choi Nam-Ki ², Kim Seon Mi ²

¹전남대학교 치의학전문대학원 소아치과학교실
²전남대학교

Accredited

ABSTRACT

The aim of this study was to evaluate the effect of a range of acidic pH values on the push-out bond strength and surface morphology of tricalcium silicate materials: Biodentine􀋓, Theracal􀋓 and ProRoot MTA􀋓. The standardized lumens of root slices prepared from extracted single-root human teeth were filled with Biodentine􀋓, Theracal􀋓 and ProRoot MTA􀋓 according to manufacturer’s instructions. The specimens were randomly divided into 4 groups (n = 20) for each material and then incubated for 4 days at 37℃; 3 acidic groups (butyric acid buffered at pH 4.4, 5.4, 6.4) and 1 control group (phosphate buffered saline solution at pH 7.4). The push-out bond strengths were then measured by using a universal testing machine and the surface morphology of each experimental group was analyzed by a scanning electron microscope. Biodentine􀋓 and Theracal􀋓 showed higher push-out bond strength compared with ProRoot MTA􀋓 after exposure to acidic pH values. A substantial change in the surface morphology of each material occurred after exposure to different pH values. In conclusion, the push-out bond strengths of Biodentine􀋓 and Theracal􀋓 are higher than the ProRoot MTA􀋓. Further the acidic environment weakens the push-out bond strength and microstructure of tricalcium silicate materials.

KEYWORDS

Mineral trioxide aggregate, Dye leakage, SealeAcidic environment, Biodentine, Theracal, Mineral trioxide aggregate, Push-out bond strength, Scanning electron microscoper penetration, Time

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Journal of the Korean academy of pediatric dentistry 2025 KCI Impact Factor : 0.43

Effect of Acidic Environment on the Push-Out Bond Strength and Surface Morphology of Tricalcium Silicate Materials

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* References for papers published after 2025 are currently being built.

Journal of the Korean academy of pediatric dentistry 2025 KCI Impact Factor : 0.43

Effect of Acidic Environment on the Push-Out Bond Strength and Surface Morphology of Tricalcium Silicate Materials

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KEYWORDS

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