Spectrophotometric Analysis of the Effect of aging on Color change of Maxillofacial Silicone

Document Type : Original Article

Authors

1 Lecturer of Prosthodontics, Faculty of Oral and Dental Medicine, Future University.

2 Associate Professor of Prosthodontics, Faculty of Oral and Dental Medicine, Cairo University

Abstract

Purpose: The purpose of this study is to evaluate the change in color stability of maxillofacial silicon after exposing it to natural weathering and disinfection using neutral soap (shampoo). Material and Methods: 60 specimens were prepared from addition linking vinyl polydimethyl siloxane and divided into 3 groups (n=20). The specimens were then conditioned differently as follows, Group I: Dark room storage (control group); Group II: Neutral soap disinfection; Group III: Outdoor natural weathering for 2 months. The color changes of the specimens were measured using a Reflective spectrophotometer (X-Rite, model RM200QC, Neu-Isenburg, Germany) using the Commission Internationale de I’Eclairage (CIE).5 The measurements were taken after 1 month then after two months (follow up period). Results: There was insignificance increase in color change in neutral soap (shampoo) group. There was significance increase in color change in natural weathering group. Also there was significance difference between groups after 1 month and two months. Conclusions: Exposure to outdoor natural weathering and the disinfection with neutral soap (shampoo) causes color alteration of the maxillofacial silicone.

Keywords

Egyptian Dental Journal
Volume 67, Issue 2 - Serial Number 4
April (Fixed Prosthodontics, Removable Prosthodontics and Dental Materials)
April 2021
Pages 1497-1504

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