Comparison of Whitening Effect on Teeth With Different Types of Commercially Available Bleaching Agents

Objectives: The aim of the study is to compare the whitening effect on teeth with different types of commercially available bleaching agents.
Methods: Twenty extracted teeth were selected. The teeth were stained using turmeric and coffee for 2 days. The resultant discolored teeth were washed in distilled water. Baseline color for the teeth was evaluated using a VITA Classical shade guide before they were bleached. Teeth were divided into 4 experimental groups and into two subgroups A and B. Two commercially available bleaching agents were used POLA office Plus ( 37.5% hydrogen peroxide ) and FLORENCE ( 35% hydrogen peroxide ). ANOVA test was used to calculate the level of significance among the tested groups. Intra group comparison was done to see the significant change in bleaching at 0, 7, and 14 days for each group. The intergroup comparison was done using one way ANOVA with post hoc Tukey’s modification to see efficacy of the groups tested.
Results: On group comparison using Anova test there was statistically significant shade change at 7 and 14 days in all the experimental groups . On inter group comparison there was maximum bleaching efficacy with group III & IV with shift of 5 shade tabs and Group I & II with a shift of 4 shade tabs. On intra group comparison there was shade change on (0-7), (0 -14 ) and (7-14) days on all experimental groups which was statistically significant.
Conclusions: From the above study we conclude that , Both POLA Office plus and FLORENCE shows that there was no statistical significant results on their bleaching effect.
On intra group comparison there was shade change on (0-7),(0 -14 ) and (7-14) days on all experimental groups which was statistically significant.