Effect of Saliva Contamination Stage and Different Decontamination Procedures on Bonding Strength of Resin-Modified Glass Ionomer

Hanho Go (고한호); Howon Park (박호원); LEE JU HYUN (이주현); Hyunwoo Seo (서현우)

doi:10.5933/JKAPD.2019.46.2.158

Effect of Saliva Contamination Stage and Different Decontamination Procedures on Bonding Strength of Resin-Modified Glass Ionomer

Journal of the Korean academy of pediatric dentistry
Abbr : J Korean Acad Pediatr Dent
2019, 46(2), pp.158-164
DOI : 10.5933/JKAPD.2019.46.2.158
Publisher : The Korean Academy Of Pediatric Dentistry
Research Area : Medicine and Pharmacy > Dentistry
Received : September 27, 2018
Accepted : November 8, 2018
Published : May 30, 2019

Hanho Go ¹, Howon Park ², LEE JU HYUN ², Hyunwoo Seo ²

¹강릉원주대학교 치과대학 소아치과학교실 및 구강과학연구소
²강릉원주대학교

Accredited

ABSTRACT

The purpose of this study was to compare the bond strength of resin-modified glass ionomer (RMGI) to dentin with saliva contamination at different stages and using different decontamination procedures. Extracted human permanent molars were embedded onto acrylic resin with the dentin surface exposed. Group I was a control group that was conditioned with polyacrylic acid (PAA). Groups II and III were contaminated with saliva before PAA conditioning and Groups IV, V, and VI were contaminated with saliva after PAA conditioning. After saliva contamination, Groups II and IV were dried, Groups III and V were rinsed and dried, and Group VI was additionally conditioned with PAA. After surface treatment, the dentin specimens were filled with RMGI. Group I showed significantly higher bond strength than the other groups. Group VI showed a significantly higher bond strength than the other saliva contaminated groups. However, there were no significant differences in the failure mode between the different groups. Saliva contamination impaired the bond strength of RMGI to dentin, regardless of when the saliva contamination occurred. Decontamination with washing and drying could not improve the shear bond strength of RMGIC. When saliva contamination occurred after PAA conditioning, additional PAA conditioning improved the shear bond strength.

KEYWORDS

Saliva contamination, Resin-modified glass ionomer, Decontamination, Bond strength

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* References for papers published after 2023 are currently being built.

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Journal of the Korean academy of pediatric dentistry 2023 KCI Impact Factor : 0.48

Effect of Saliva Contamination Stage and Different Decontamination Procedures on Bonding Strength of Resin-Modified Glass Ionomer

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* References for papers published after 2023 are currently being built.

Journal of the Korean academy of pediatric dentistry 2023 KCI Impact Factor : 0.48

Effect of Saliva Contamination Stage and Different Decontamination Procedures on Bonding Strength of Resin-Modified Glass Ionomer

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