[Table/Fig-10]:

CPITN score and age group of Included studies.

Author	CPITN Score	Age Group					Total
		15	16	17	18
KP, Nanaiah et al., [20]	1	62	75	101	88		326/1100
	2	57	84	107	122		370/1100
	3	1	1	3	14		19/1100
	4	0	0	0	5		5/1100
	Total	120/193	160/221	211/333	229/353
		15-19	20-29	30-44	45-64	65 & above
D Goswami [21]	1	36	9	0	0	0	45/438
	2	24	78	96	24	6	224/438
	3	0	6	45	69	27	147/438
	4	0	0	3	6	3	12/438
	Total	60/66	93/93	144/144	99/99	36/36
		15-19	20-29	30-44	45-64	65 & Above
D kundu et al., [18]	1	628	204	99	29	2	962/22452
	2	2560	4787	5891	3511	505	17,254/22452
	3	18	204	857	859	137	2,075/22452
	4	14	69	330	479	81	973/22452
	Total	3220/3948	5264/5503	7177/7296	4878/5008	725/787
		25-33	36-45	46-55	56 & above
A Singh et al., [19]	1	0	0	0	0		0/1026
	2	85	11	5	0		101/1026
	3	275	59	46	4		384/1026
	4	244	179	103	15		541/1026
	Total	604/604	249/249	159/159	19/19
		15-19	20-29	30-44	45-60	61 & Above
TS Sekhon et al., [22]	1	31	47	15	08	4	105/1680
	2	46	148	169	33	26	422/1680
	3	03	52	300	207	122	684/1680
	4	01	13	100	91	136	341/1680
	Total	81/116	260/300	584/617	339/349	288/298