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Effects of haemostatic agents on bond strength - An In Vitro study
V Gokula Krishnan1, Vignesh Kailasam2, Arun B Chitharanjan2
1Department of Orthodontics, Sri Ramachandra Institute of Higher Education and Research, Porur, Chennai, India.
Aim:
To evaluate and compare the effect of contamination with haemostatic agents like Tranexamic Acid (TA) and Ethamsylate, on the shear bond strength.
Materials And Methods:
There are about 100 extracted human premolars randomly segregated into four groups each consisting of 25 samples. Group I was bonded with Transbond, Group II was bonded with Transbond after blood contamination, while groups III and IV were bonded with Transbond after contamination with Tranexamic acid and the shear bond strength was measured. The data were compared by One- way ANOVA and Tukey (HSD) tests.
Results:
Group I had the highest shear bond strength (SBS) while Group II, where the teeth were contaminated with blood showed the least SBS values ANOVA indicated significant differences between the four groups (P < .05). Tukey HSD revealed that contamination with TA (Group III) had a statistically higher SBS that contamination with Ethamsylate (Group IV) (P < .05).
Conclusion:
Since tranexamic acid and ethamsylate reduces the bleeding when used during surgery, these haemostatic agents may be considered in bonding situations where blood contamination is anticipated.
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