Prevalence of dental caries and its association with body mass index among school-age children in Shenzhen, China

BMC Oral Health

Table 2 Dental caries status of primary teeth and permanent teeth

Variables	N	Primary teeth			Permanent teeth
Variables	N	Prevalence of dental caries (%)	Mean dmft score	Caries restoration rates (%)	Prevalence of dental caries (%)	Mean DMFT score	Caries restoration rates (%)
Sex
Boys	665,728	26.99	0.97	9.67	12.17	0.29	10.14
Girls	530,276	27.32	0.96	10.08	15.44	0.37	13.23
Age (Year)
6	70,739	45.97	1.92	8.08	6.18	0.20	2.41
7	159,770	48.07	1.91	9.29	6.85	0.20	4.51
8	163,011	49.13	1.83	9.76	9.56	0.25	6.50
9	153,479	42.44	1.39	10.14	12.49	0.31	5.68
10	133,559	30.13	0.84	10.69	15.40	0.36	6.22
11	115,137	16.41	0.39	13.75	16.59	0.37	8.22
12	107,699	6.40	0.13	17.24	16.34	0.36	11.35
13	85,317	2.18	0.04	15.29	18.58	0.42	14.63
14	74,770	1.21	0.02	12.03	19.81	0.46	19.02
15	56,548	1.00	0.02	9.37	19.17	0.45	22.92
16	48,513	0.92	0.02	6.63	18.57	0.42	30.90
17	21,890	0.82	0.02	3.99	18.47	0.44	33.32
18+	5572	0.34	0.02	2.11	17.98	0.41	26.01
Total	1,196,004	27.14	0.97	9.85	13.62	0.33	11.72

ISSN: 1472-6831