The in-vitro effects of white henna addition on the Candida albicans adhesion and physical properties of denture base resin

Abstract

PurposeThis in-vitro study evaluated and compared the effect of white henna (WH) andnatural henna (NH) addition on Candida albicans adhesion and physical propertiesof the denture base material.Materials and MethodsA total of 243 acrylic resin specimens (9 per group) were divided as follows:81 for flexural strength, 81 for Candida albicans adherence test, and 81 forsurface roughness, translucency, and hardness. Heat-polymerized acrylicresin specimens were prepared by adding 0.5, 1.0, 1.5, or 2.0 wt% of WH or NH.Candida albicans adhesion was determined using direct culture and slide countmethods. Flexural strength, surface roughness, hardness, and translucency weremeasured using the three-point bending test, profilometer, Vickers hardness test,and spectrophotometer, respectively. ANOVA and post hoc Tukey’s tests wereperformed for data analysis.ResultsAddition of 0.5% WH, 1% WH, and 0.5% NH to denture base resin significantlydecreased Candida albicans adhesion (p