EDJ

DIMENSIONAL ACCURACY OF MAXILLARY COMPLETE DENTURE BASE FABRICATED BY RAPID PROTOTYPING METHOD COMPARED WITH THE CONVENTIONAL METHOD: A RANDOMIZED CONTROLLED TRIAL

Tarek Salah Hashim Ali, Nora Cheta And Mahmoud EL Far,

ABSTRACT
In-vivo Study Was Carried Out To Evaluate The Amount Of The Linear Dimensional Changes Of Maxillary Complete Denture Fabricated By Using Digital Light Projection (DLP) 3D Printing Method And Conventional Compression Flask Method. Eighteen Completely Edentulous Patients Were Included In The Study. For Each Patient, The Maxillary Master Cast Was Used To Fabricate Duplicate. The Obtained Duplicates Were Used To Fix Three Cover Screws At The Following Positions; A: The Incisive Papilla, B: The Right Second Molar Area, C: The Left Second Molar. Patients Were Divided Into Two Equal Groups Of Nine Participants, Group (1) The Conventionally Processed Complete Denture And Group (2) The Digital Light Projection (DLP) 3D Printed Complete Denture. The Dimensional Changes Were Measured Using Digital Caliper With Accuracy Of 0.02mm. Dimensional Changes Occurred In Both Types Of Complete Dentures Bases. Digital Light Projection (DLP) 3D Printed Complete Dentures Showed More Dimensional Stability Than The Conventional Compression Flask Complete Dentures With No Statistical Significance.

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