Review of Dental Literature and Art. [Volume: 2, Issue: 7, February, 1861, pp. 385-400]

REVIEW OF DENTAL LITERATURE AND ART.

387

" TABLE II.-Showing the liability of the teeth of children to decay at
given ages, and the different classes.
TEETH.
AGES..
Under 5 years of age.......... 33 28 8 40 41
From 5 years to 10............. 2 4 20 2 4
10 15............. 3 0 7 6 2
15 and upwards........... 0 0 1 2 3
Total....................... 38 32 36 73 90
"This table relates to the temporary teeth only.
"From observations made by Mr. Tomes, F.R.S., at the Middlesex
Hospital. *
" TABLE III.-Of 3000 permanent teeth extracted from various causes
at the Middlesex hospital,

72 were central incisors;
117 " lateral incisors;
78 "' canines;
273 " first bicuspids;
434 " second bicuspids;

1124 were first molars;
637 " second molars;
265 " third molars.
3000

"TABLE IV.-Showing the relative percentage of
tooth extracted between the specified ages.

any one kind of

AGES.
KINDS OF TEETH., a =. I.
PS AX Ia ma memo So P ^
Of the central incisors......... 151 81 X 5- 8 128 26- 161 7
lateral incisors.......... 16| 141 91 6- 12 191 11 10
canines................... 16| 151 5 6 153 251 61 10}
first bicuspids 14.......... 14 2 21} 10. 15 8| 2- 41
second bicuspids....... 1 2 20 12 15 8 5 4
" first molars............... 33- 27 16 8j 7 41 2 1
" second molars........... 7 24 20 14 14 81 8 8
" third molars............., 6 | 19} 23! 26 151 5- 21
"These tables I have taken from a work published by Mr. Tomes,
P.R.S., in 1848; and I am not aware of any other such tables having
appeared since.
"It will be perceived, upon comparing the tables I have made with
those of Mr. Tomes, that the relative percentage of the different classes

* Tomes on "Dental Physiology and Surgery," p. 142.