Propolis - based chitosan varnish: drug delivery, controlled release and antimicrobial activity against oral pathogen bacteria

Table 3 Casting times (in minutes) of Propolis varnishes containing 15%, 10% and 5% of Propolis (PCV 15%, PCV 10% and PCV 5%, respectively) and blank varnish (BCV), after application of 50 μL of the formulation on incisive tooth surface*

Formulation	PCV 15%	PCV 10%	PCV 5%	BCV
Natural casting time	44.50 ± 0.35^a	40.84 ± 1.03^a	37.20 ± 2.67^a	31.46 ± 0.22^a
Compressed air helped casting time	5.63 ± 0.18^b	4.32 ± 0.17^b	3.89 ± 0.18^b	2.62 ± 0.40^b

*Different letters in the same columns means statistically significant different values.
Media and Standard Deviation (M ± SD) of three experiments. Unpaired Student’s t-test. p values less than 0.05 were considered significant.

ISSN: 2662-7671