Table 1. the evidence of pink tooth among three rats were given below.

Evidence of pink teeth among three groups
Number of rats	3
Number of teeth(overall)	48
Number of pink teeth evident in SB rat	0
Number of pink teeth evident in FWD rat	2
Number of pink teeth evident in SWD rat	4
Number of pink teeth evident in anterior region of FWD rat (incisors)	2
Number of pink teeth evident in posterior region of FWD rat (molars)	0
Number of pink teeth evident in anterior region Of SWD rat (incisors)	4
Number of pink teeth evident in posterior region Of SWD rat (molars)	0

SB-euthanized and soil buried rat: FWD- fresh water drowned rat: SWD sea water drowned rat.