Table 3. Percentages of different degrees of molar wear in both groups at ages 5 and 10 years.

			Molar wear
Age	Group	N	G0 %	G1 %	G2 %	G3 %
5 years (p = 0.1863)	PG	26	50	42.3	7.69	0
	RG	20	70	25	5	0
10 years (p = 0.004)	PG	24	9.09	54.5	27.3	9.09
	RG	20	52.9	35.3	11.8	0