Læknablaðið - 15.09.1980, Blaðsíða 37

LÆKNABLADID
219
Table VI. Percent distribution of children by number of DMFpermanent teeth, according to age.
Number of DMF teeth 6 years 7 years 8years 9years lOyears llyears 12years 13years Myears 6-14years
0 ..... 50.7 22.5 11.3 4.4 2.8 3.7 2.2 1.2 2.2 10.9
1-4 ... 49.3 76.5 74.2 71.4 52.4 41.7 22.5 17.1 4.3 48.8
5-8 ... — 1.0 11.3 23.1 32.4 41.7 33.7 30.5 23.9 22.4
9-12 .. - - 3.1 1.1 5.7 9.2 16.9 25.6 19.6 8.2
13-16 .. - - - — 6.7 3.7 15.7 13.4 21.7 5.8
17-20 .. — — — - - — 6.7 9.8 17.4 2.8
21-24 .. ______ 2.2 2.4 6.5 0.9
25-28 .. — — — — - - — - 4.3 0.2
Table VII. Mean number of decayed, filled, and decayed + filled (DF) surfaces in permanent teeth per child,
by age and sex.
Number of children Decayed surfaces Filled surfaces Total (DF) surfaces
Age in year boys girls total boys girls total boys girls total boys girls total
6 .......... 43 32 75 0.93 1.47 1.16 0.28 0.37 0.32 1.21 1.84 1.48
7 .......... 51 51 102 1.20 1.47 1.33 1.25 1.43 1.34 2.45 2.90 2.68
8 .......... 54 43 97 2.00 2.49 2.22 2.96 2.14 2.60 4.96 4.63 4.81
9 .......... 41 50 91 2.68 3.82 3.31 3.93 3.66 3.78 6.61 7.48 7.09
10 ........... 57 48 105 5.16 3.29 4.30 3.38 5.08 4.16 8.54 8.37 8.46
11 ........... 59 49 108 5.00 4.59 4.81 3.10 4.28 3.64 8.10 8.87 8.45
12 ........... 34 55 89 4.44 5.78 5.27 3.53 8.31 6.48 7.97 14.09 11.75
13 ........... 38 44 82 5.03 4.66 4.83 6.58 10.39 8.62 11.61 15.05 13.45
14 ........... 18 28 46 6.50 3.75 4.83 10.72 14.36 12.93 17.22 18.11 17.76
Table VIII. The Restorative Index for permanent
teeth in four locations by age.
Island
Age in years Denmark lceland of Lewis Norway
6 ........ 23.1 7.1 31.3
7 .......... 13.3 40.0 20.0 54.8
8 .......... 25.7 50.0 27.6 69.2
9 .......... 28.9 53.8 44.4 73.3
10 .......... 46.4 45.1 50.0 73.6
11 .......... 44.9 38.9 41.0 75.0
12 .......... 53.3 53.8 39.7 75.8
13 .......... 49.0 59.1 41.7 84.9
14 .......... 48.1 69.9 58.3 75.9
mannaeyjum og á Akranesi reyndist tölfræði-
lega raunhæf á meðal 6-8 ára og 9-11 ára
barna.
Fullordinstenn ur
Á mynd 6 eru sýndar meðaltölur fullorðins-
tanna, sem eru komnar fram, og meðaltölur
heilbrigðra og DMF fullorðinstanna eftir bú-
setu og aldursflokki barnanna. Fjöldi full-
orðinstanna var svo til sá sami í börnum í Vest-
mannaeyjum og á Akranesi í öllum aldurs-
flokkum. Á meðal 6-8 ára og 9-11 ára barna í
Árnessýslu er fjöldi fullorðinstanna hærri en í
Table IX. Percent distribution of children by number of DMFpermanent teeth, according to community and
age.
Number of -------------------------------- ----------------------------- --------------------------
DMFteeth com. I com. II com. III com. I com. II com. III com. I com. II com. III
0.... 23.0 23.9 31.3 1.0 1.1 8.0 - — 8.5
1-4 .. 70.1 70.4 64.6 52.6 45.7 62.8 17.2 8.4 29.8
5-8... 4.6 5.7 3.0 33.0 41.5 25.7 34.5 21.7 38.3
9-12 . 2.3 — 1.0 6.2 7.4 3.5 21.8 25.3 10.6
13-16 . - - - 7.2 4.3 — 12.6 22.9 10.6
17-20 . - - — — - — 11.5 13.3 2.1
21-24 . ______ 2.3 6.0 -
25-28 . - - - — - — — 2.4 -