Table 2B.

Comparison of clinical parameters between the groups by Mann–Whitney test.

Mann–Whitney test
Ranks
	Group	N	Mean rank	Sum of ranks
XI	PMD + OD	25	38.00	950.00
	PMD − OD	25	13.00	325.00
Tongue blade	PMD + OD	25	38.00	950.00
	PMD − OD	25	13.00	325.00
Decayed	PMD + OD	25	9.75	78.00
	PMD − OD	25	13.20	198.00
Missing	PMD + OD	25	11.25	135.00
	PMD − OD	25	10.67	96.00
Filled	PMD + OD	25	2.00	2.00
	PMD − OD	25	2.00	4.00
OHI-S	PMD + OD	25	8.20	41.00
	PMD − OD	25	7.90	79.00