Pengaruh Kalsium Karbonat Limbah Cangkang Telur Bebek terhadap Kekuatan Geser Resin Adhesif Ortodonti

Abstract

A problem that arises in fixed orthodontic treatment is the detachment of the bracket from the tooth surface. Bracket adhesion failure occurs because the load received by the bracket is greater than the bonding adhesive strength. Duck eggshell waste contains high calcium. The purpose of this study was to determine the effect of calcium carbonate duck eggshell waste (Anas platyrhynchos domesticus) on the adhesive resin attachment of stainless steel brackets with 1 day and 7 days artificial saliva immersion on shear bond strength. This study is a laboratory experimental study with post-test only control group design. The samples used were 30 maxillary and mandibular premolar teeth. Calcium carbonate (CaCO3) was obtained from duck eggshell waste by calcination, maceration, and precipitation methods. The brackets were bonded to the tooth surface using adhesive resin. The samples were divided into 6 groups, control group, CaCO3 1% and CaCO3 3% with 1 day and 7 days artificial saliva immersion. Shear bond strength test was then conducted on the samples. Data were analyzed using Kruskall-Wallis and Mann-Whitney (p<0.05). The results showed that CaCO3 1% and CaCO3 3% with artificial saliva immersion for 1 day and 7 days increased the shear bond strength of the adhesive resin bracket attachment and the intervention time of immersion in artificial saliva decreased the attachment to the shear bond strength. The conclusion of this study is that the addition of calcium carbonate from duck eggshell waste increases the shear bond strength of the bracket attachment adhesive resin at 1 day and 7 days of artificial saliva immersion, the bracket attachment decreases the shear bond strength in line with the study time.