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http://dx.doi.org/10.5933/JKAPD.2019.46.1.21

Effects of Saliva Contamination on Shear Bond Strength with Conventional, Moisture Insensitive, and Self-Etching Primers  

Oh, Yoonjeong (Department of Pediatric Dentistry, Dental Clinic Center, Hallym University Sacred Heart Hospital)
Oh, Sohee (Department of Pediatric Dentistry, Dental Clinic Center, Hallym University Sacred Heart Hospital)
Publication Information
Journal of the korean academy of Pediatric Dentistry / v.46, no.1, 2019 , pp. 21-28 More about this Journal
Abstract
The aim of this study was to compare the shear bond strengths of orthodontic bracket with Conventional primer (CP), Moisture insensitive primer (MIP), and Self-etching primer (SEP). In addition, the effect and the timing of saliva contamination on shear bond strength was evaluated. A total of 135 bovine mandibular incisors were used in the study and divided into 3 groups. Group I, II and III were used CP, MIP, SEP, respectively. Each group was then divided into three subgroups: the group without saliva contamination, the group with primer application after saliva contamination, and the group with saliva contamination after primer application. After the primer application, the metal bracket for the lower incisor was attached and the shear bond strength was measured. The mean shear bond strengths was highest with CP and lowest with SEP in dry condition. However, CP showed a significant decrease in shear bond strength in the presence of saliva contamination. MIP and SEP showed no significant decrease in shear bond strength with saliva contamination.
Keywords
Moisture insensitive primer; Self-etching primer; Shear bond strengths; Saliva contamination;
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