Evaluation of Shear Bond Strength of Natural Teeth Versus Zirconia Crown Using Orthodontic Stainless-Steel Bands (Comparative Study)
DOI:
https://doi.org/10.51173/ijmhs.v3i1.84Keywords:
Bond Strengths; Orthodontic Hand; Preformed Zirconia Crown; Natural Teeth; Maximum Load.Abstract
Background: Any disease which leads to loss of tooth structure leads to migration of adjacent teeth in the newly created space. This process leads to impingement of space for the eruption of the succedanea’s dentition leading to malocclusions.
Objective of study: The aim of our study is the evaluation of the ITENA cements as the orthodontic band’s cements on zirconium crowns and compare it with the natural teeth.
Materials and methods: In the current study, (20) samples were prepared. Natural and zirconia crowns of upper first premolar were performed and used. Performed band was adapted to each tooth. ITENS cement was used, and teeth have been divided into (2) groups: (group A & group B). Orthodontic bands were cemented on natural and zirconia crowns. Before testing, all samples were kept for 24 hrs. at 37°C. All samples were examined in tensile modes by applying the universal testing machines for determining the shear bond’s strengths. All samples were visually evaluated at the cement site following the depending process.
Results: The values of the maximum shear bond’s strength with regard to the maximum loads were shown by natural teeth, and in minimum shear bond’s strength for zirconium teeth, a significant variation was shown between the 2 group (p<0.05).
Conclusions: With regard to maximum loads, the highest values were demonstrated by natural teeth, and lowest by zirconium teeth. This study suggests that the natural teeth were better to use as abutments for space maintainer.
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