Table 1: The overall interpretation of mean number of dentinal tubules, tubular diameter and surface area of dentinal tubules.

Mean number of
tubules exposed

Mean number of
tubular width

Mean number of
tubular surface area

TETRACYCLINE NFH(10.9) > FH(8.7)
NFD(9.4) > FD(7.0)
(p = 0.08)

FH(1.73) > NFH(1.56) p=0.01
NFD(1.55) > FD(1.48)

FH(4.33) > NFH(3.58)
NFD(3.76) > FD(3.34)

EDTA NFH(11.5) > FH(10.1)
FD(11.0) > NFD(9.8)
(p = 0.61)

FH(1.63) > NFH(1.53)
FD(1.71) > NFD(1.60)

FH(3.69) > NFH(3.46)
FD(4.18) > NFD(3.75)

CITRIC ACID NFH(11.7) > FH(10.3)
FD(11.0) > NFD(7.7)
(p = 0.22)

FH(1.62) > NFH(1.33)
FD(1.38) > NFD (1.24)

FH(3.73) > NFH(2.74)
FD(2.84) > NFD(2.32)

ANOVA F Student’s
unpaired
t test
Student’s
unpaired
t test

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