The Effect of Boric Acid on Root Dentin Mineral Content and Bond Strength of AH-Plus: A SEM-EDX Study

Abstract

A AB BS S T TR RA AC CT T O Ob bj je ec ct ti iv ve e: : To investigate the effects of boric acid, EDTA and citric acid on root-dentin mineral content and on shear-bond strength of AH Plus. M Ma at te er ri ia al l a an nd d M Me et th ho od ds s: : Eighteen extracted mandibular premolars were used. The crowns were removed. The roots were then longitudinally sectioned under water cooling to obtain two root halves from each tooth. Element levels were examined by SEM-EDX and build-ups were created using AH Plus. The element levels and shear-bond strength data (MPa) were recorded. After shear-test, the root surfaces were re-grounded, and subjected to 5,25% NaOCl followed by 10% Boric acid, 17% EDTA and 10% Citric acid. The root surfaces were reexamined by SEM-EDX. Shear-test was repeated. The element levels and shear-bond strength data (MPa) were recorded and analyzed by using paired samples t test.