Comparison of Bonding Strength by Cleaning Method of Pediatric Zirconia Crown Contaminated with Saliva or Blood

Jaeyong Kim (김재용); Howon Park (박호원); LEE JU HYUN (이주현); Hyunwoo Seo (서현우)

doi:10.5933/JKAPD.2018.45.2.185

Comparison of Bonding Strength by Cleaning Method of Pediatric Zirconia Crown Contaminated with Saliva or Blood

Journal of the Korean academy of pediatric dentistry
Abbr : J Korean Acad Pediatr Dent
2018, 45(2), pp.185-194
DOI : 10.5933/JKAPD.2018.45.2.185
Publisher : The Korean Academy Of Pediatric Dentistry
Research Area : Medicine and Pharmacy > Dentistry
Received : September 26, 2017
Accepted : October 26, 2017
Published : May 31, 2018

Jaeyong Kim ¹, Howon Park ², LEE JU HYUN ², Hyunwoo Seo ²

¹강릉원주대학교 치과대학 소아치과학교실 및 구강과학연구소
²강릉원주대학교

Accredited

ABSTRACT

The objective of this study was to compare the shear bonding strength of zirconia after cleaning the crown contaminated by saliva or blood and determine the effect of thermocycling. 180 specimens were embedded in acrylic resin. 20 Specimens in the positive control group were bonded with resin cement without contamination. 20 Specimens in the negative control group were washed with water for 20 seconds and then dried for 10 seconds. 120 Specimens contaminated by saliva or blood were cleaned by using three cleaning methods: 37% phosphoric acid gel, commercial cleanse, and 2.5% NaOCl. All samples were bonded with resin cement and divided into two subgroups: One was not aged, and the other was tested with 30,000 thermocycling. In both groups contamination by saliva and blood, no statistically significant difference was not found in control, groups cleansed by commercial cleanser and 2.5% NaOCl. When the groups cleansed with water and 37% phosphate gel were compared with the control, significantly low shear bond strength was shown. Thermocycling group showed statistically significantly low shear bond stress compared to the groups without thermocycling. When zirconia was contaminated by saliva or blood, its original shear bond strength could be obtained if it was cleaned with commercial cleanser or 2.5% NaOCl.

KEYWORDS

Zirconia, Saliva contamination, Blood Contamination, Shear bond strength, Thermocycling

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

Comparison of Bonding Strength by Cleaning Method of Pediatric Zirconia Crown Contaminated with Saliva or Blood

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Citation status

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

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

Comparison of Bonding Strength by Cleaning Method of Pediatric Zirconia Crown Contaminated with Saliva or Blood

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