In vitro comparison of impact of different bleaching Agents on the microhardness of Enamel
| Autor: | Subhra Dey, Anuj Kumar, Neha Awasthi, Vinisha Pandey, Anshu Sahu, Sudarshan C Pujari |
|---|---|
| Rok vydání: | 2016 |
| Předmět: |
Saliva
Dentistry In Vitro Techniques Stain 03 medical and health sciences chemistry.chemical_compound 0302 clinical medicine Hardness Premolar medicine Humans Dental Enamel Tooth Bleaching Agents Hydrogen peroxide General Dentistry Enamel paint business.industry 030206 dentistry Demineralization medicine.anatomical_structure chemistry visual_art visual_art.visual_art_medium Knoop hardness test business 030217 neurology & neurosurgery |
| Zdroj: | The Journal of Contemporary Dental Practice. 17:258-262 |
| ISSN: | 1526-3711 |
| DOI: | 10.5005/jp-journals-10024-1837 |
| Popis: | Background Various agents are used these days for increasing the esthetics. One such procedure is bleaching that offers various advantages, as it is minimal invasive and cheap option to color the teeth and remove stain. The altered enamel after the bleaching process shows surface demineralization and porosities. The present study aimed to evaluate the effect of different bleaching agents on the microhardness of enamel. Materials and methods A total of 100 freshly human extracted maxillary premolar teeth were selected for the study. Teeth with sound tooth structure were included for the study. All the specimens were randomly divided into four groups with 25 specimens in each group depending upon the type of bleaching agent used: Group A, artificial saliva (Control group); Group B, 35% hydrogen peroxide (HP); Group C, 25% HP; Group D, 10% carbamide peroxide (CP). Knoop Hardness Number (KHN) was calculated at 24, 48-hour, and 7-week interval. Results Results showed no statistical significant differences between the microhardness of enamel of different groups (p < 0.005). A slight fall in the value of KHN was seen in all the groups, except for the control group, although the results were statistically nonsignificant (p > 0.005). Conclusion Although nonsignificantly, all the bleaching solutions produced some amount of alterations in the microstructure of enamel. More studies with higher study groups and more advanced estimation technologies are required to minimize microstructure alterations and promote for better outcome of bleaching procedures. How to cite this article Dey S, Pandey V, Kumar A, Awasthi N, Sahu A, Pujari SC. In vitro comparison of impact of different bleaching Agents on the microhardness of Enamel. J Contemp Dent Pract 2016;17(3):258-262. |
| Databáze: | OpenAIRE |
| Externí odkaz: |
|