JKAOH Journal of Korean Acadomy of Oral Health
pISSN 1225-388X eISSN 2093-7784

Table. 2.

Mean numbers of fissure-sealed permanent teeth

Age (yr) Hapcheon in 2000 Hapcheon in 2018 P*


N Mean SE N Mean SE
Total 671 2.24 2.62 359 1.38 1.51 <0.001
8 213 1.90 1.20 95 1.58 1.43 0.057
10 198 5.06 2.73 146 1.42 1.50 <0.001
12 260 0.36 1.10 118 1.18 1.57 <0.001

*Independent samples t-test.

J Korean Acad Oral Health 2020;44:234~239 https://doi.org/10.11149/jkaoh.2020.44.4.234
© Journal of Korean Academy of Oral Health