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. 2018 May 15;18:87. doi: 10.1186/s12903-018-0538-y

Table 4.

Comparison of palatal height index among primary, mixed and permanent dentitions; and between males and females

	Mean ± SD of palatal height (mm)
	molar area/Korkhaus’ compass			molar area/digital caliper			canine area/digital caliper
	total	male	female	total	male	female	total	male	female
primary	27.53^b ± 3.00	27.10^b ± 3.10	28.12^b ± 2.96	38.90^b ± 5.11	39.23^b ± 6.49	38.46^b ± 2.60	16.61^ab ± 4.09	15.43^a ± 4.82	18.23^b ± 2.18
Mixed	24.48^a ± 3.79	24.86^a ± 4.28	24.19^a ± 3.43	33.38^a ± 6.28	33.94^a ± 7.47	32.97^a ± 5.34	13.30^a ± 5.29	15.57^a ± 4.81	11.64^a ± 5.07
Permanent	33.00^c ± 5.51	32.53^c ± 5.26	33.42^c ± 5.71	41.50^b ± 6.44	40.90^b ± 6.76	42.00^c ± 6.17	18.20^b ± 4.74	19.32^b ± 4.64	17.27^b ± 4.65
P value*	< 0.001	< 0.001	< 0.001	< 0.001	< 0.001	< 0.001	< 0.001	< 0.001	< 0.001
Total		30.10 ± 5.87	30.54 ± 6.47		39.08 ± 7.42	39.30 ± 6.98		17.99 ± 4.99	15.81 ± 5.28
P value**		0.588			0.815			0.001

*using one-way ANOVA followed by Tukey’s post hoc test. Groups with the same letter are not significantly different

**t-test