Emad .G. Mohamed, Nadia. A. Abbas And Mohamed. F. Abdalla,

ABSTRACT
Aim Of The Study: In Vivo Study Was Conducted To Compare The Effect Of Two Different Denture Base Materials (rapid Heat Cure Acrylic Resin And Modified Rapid Heat Cure Acrylic Resin With Titanium Dioxide Nanoparticles) On The Surface Roughness Of The Maxillary Complete Denture.

Materials and Methods: Twenty Patients With Completely Edentulous Maxilla Were Randomly Selected According To Inclusion And Exclusion Criteria, Primary Impressions Were Made Using Irreversible Hydrocolloid, Secondary Impressions Were Made Using Green Stick Compound As A Border Molding Material And Zinc Oxide/eugenol As A Final Wash Impression Material Then The Master Casts Were Duplicated Using Duplicating Silicone, Both Dentures Were Processed In Boiling Water For 20 Minutes, Each Patient Received Two Dentures; Rapid Heat Cured Acrylic Denture Base And Modified Rapid Heat Cured Acrylic Denture Base With Titanium Dioxide Nanoparticles Then Surface Roughness Was Measured Using Stylus Profilemeter

Results: Showed That There Was No Statistically Significant Difference Between The Two Types Of Denture Base Materials