Investigating the effect of listerin mouthwash on the color change of two type of composite resin tooth (YAMMAHACHI & APPLE)

Aim & One of the problems in removable dentures is gradual color changes of the teeth. Which could results in patient dissatisfaction. This study designed to investigate the effect of without alcohol listerin mouth wash (Johnson & Johnson ) on two types of composite resin teeth (YAMMAHACHI & APPLE).
Methods & Materials: This experimental in-vitro study has been done on upper central incisor : 15 samples of artificial tooth APPLE( Ideal Makoo -Iran :A1,17) and 15 samples of artificial tooth (yammahachi: A1,S8).Color measurements of teeth were performed by using spectrophotometer and recorded before immersion. Color change values were determined after 14 and 28 days. Color differences were characterized using the CIE lab color space. Statistical analysis was performed with T-Test for each dental group and eventually the PAIRED T-TEST was used for comparing the results of two groups.
This study performed on 30 spicies.
color changes for YAMAHACHI and APPLE were equal to 1.60±0.83and 1.65± 0.96 respectively (p