Table 2.

Comparison of mouth opening values within and between groups according to time

	Silk		PET		p*
	Mean ± sd	(min-max)	Mean ± sd	(min-max)
Mouth opening T0	45.28 ± 7.34	(32–60)a	45.8 ± 6.79	(33–60)a	0.801
Mouth opening T1	35.13 ± 10.54	(12–55)b	36.63 ± 10.63	(11–55)b	0.516
Mouth opening T2	43.28 ± 8.33	(21–60)a	43.38 ± 7.86	(23–60)a	0.934
p**	<0.001		<0.001

PET polyethylene terephthalate

*Wilcoxon Test

**Friedman Test

^a-bThere is no difference between the mouth-opening values with the same letter in each group

Values shown in bold are statistically significant (p < 0.001)