RESEARCH PAPER
Evaluation and comparison of the effect of cigarette smoking, alcohol, paan and Indian spices on the colour
stability and surface roughness of two types of dental ceramics – an in vitro study
| 1 | Faculty of Dentistry, MKCG Medical College, Berhampur,Odisha, India, India |
| 2 | Department of Prosthodontics, Saraswati Dental College and Hospital, Lucknow, Uttar Pradesh, India |
CORRESPONDING AUTHOR
Sushil Kar
Faculty of Dentistry, MKCG Medical College, Berhampur,Odisha, India, MKCG Medical College, Berhampur,Odisha, India, 760004, Berhampur, India
Faculty of Dentistry, MKCG Medical College, Berhampur,Odisha, India, MKCG Medical College, Berhampur,Odisha, India, 760004, Berhampur, India
Submission date: 2020-10-31
Final revision date: 2020-11-16
Acceptance date: 2020-12-07
Publication date: 2020-12-14
Prosthodontics 2020;70(4):352–362
KEYWORDS
TOPICS
ABSTRACT
Introduction:
Chewing of paan is a common habit among Indian populations and very few studies have been conducted about their impact on aesthetic restorations.
Aim of the study:
To evaluate the colour stability and surface roughness of dental ceramics after exposure to different oral habits.
Material and methods:
Fifty flat cylindrical nickel-chromium metal bases were baked with Vita VMK Master and Ceramco-3. The samples were exposed to alcohol, paan, Indian spices, artificial saliva and cigarettes. Surface profilometer and reflectance spectrophotometer Lambda 950 were used to measure the surface roughness and colour change of specimens, respectively. Repeated measures analysis of variance (ANOVA), Newman-Keuls test and Bonferroni post hoc tests were used to test the significance and possible interactions of each factor.
Results:
The mean surface roughness and colour change were the highest in paan and the lowest in artificial saliva in both groups. Ceramco-3 was found to be rougher and less colour stable than Vita VMK after all the exposures and were found to be statistically significant (p<0.05).
Conclusions:
Both Vita VMK Master and Ceramco-3 produced maximum colour change with paan stain but surface roughness of Ceramco-3 was found to be comparatively higher in Ceramco-3 than in Vita VMK.
Chewing of paan is a common habit among Indian populations and very few studies have been conducted about their impact on aesthetic restorations.
Aim of the study:
To evaluate the colour stability and surface roughness of dental ceramics after exposure to different oral habits.
Material and methods:
Fifty flat cylindrical nickel-chromium metal bases were baked with Vita VMK Master and Ceramco-3. The samples were exposed to alcohol, paan, Indian spices, artificial saliva and cigarettes. Surface profilometer and reflectance spectrophotometer Lambda 950 were used to measure the surface roughness and colour change of specimens, respectively. Repeated measures analysis of variance (ANOVA), Newman-Keuls test and Bonferroni post hoc tests were used to test the significance and possible interactions of each factor.
Results:
The mean surface roughness and colour change were the highest in paan and the lowest in artificial saliva in both groups. Ceramco-3 was found to be rougher and less colour stable than Vita VMK after all the exposures and were found to be statistically significant (p<0.05).
Conclusions:
Both Vita VMK Master and Ceramco-3 produced maximum colour change with paan stain but surface roughness of Ceramco-3 was found to be comparatively higher in Ceramco-3 than in Vita VMK.
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