Omaha daily bee., 1915-06-05
Dental Deductions
Literary piRaat

Literary Digest
AHY DEAR WATSON; IL II possible that you DO
wi not recognize at that OF the Is a
confectoner and the other glass blower; while
tho girl with them Is a drossmaker7 Look at
their teeth This suggestion for additional sher-
ock-omes story is the result OF perusing discus 5
sion contributed TO Die Umschau by or. NJ. Krause,
on effect different trades and occupations on
the teeth II except phosphorus poisoning IN the
match industry this is phase Of oecupational dis'
OF which hear comparatively little. NOT
only do the teeth become decayed otherwise dis
eased. changed in shape. but DR.. Krause tells US
that they worn or dissolved away TO such
an extent that only etumps remain. our quotations
are from abstract in The Scientific American Sup
plement, where we read:
IA good example OF the first mentioned ~
furnished by confectioners or candy-makers. whose
front teeth. particularly. prone TO decay fol-
lowed by subsequent discolorauon OF the exposed
dentn constant breathing in or sugar dust
with workmsn in chemical factories where acids
manufactured used in large amounts, the
process Of destruction is not in respect like the
ordinary tooth decay. but II a decomposition Of the
inorganic constituents and LIBERALIZATION OF the
organic constituents OF the teeth
''In describing the effects acids the author who
tells that the subjective sensation lie alleged to
be- above all, feeling Of dullness In tho affected
teeth; these become sensitive TO change Of tenn
perature and TO contact with sour, sweet and salty
foods that every partakng Of nourishment becomes
almost torture. This constituencies disappears when
the process of destruction has assumed greater pro-
portions
The front teeth on account OF their location and
arrangement the first TO suffer. since they
earliest exposed 10 the injurious influences
1T is observed that In metal workers who are
negectfui OF the OF mouth and teeth half of the
exposed surfaces Of the teeth, from the gums up
ward covered with green coating. The workmen
believe they have 'verdIgris' their teeth
DIT Krause repeatedly able to convince him
self that this coating may still detected after
a change OF occupation Of duration Il may be
designated and utilized important characteristic
Indication OF occupation
This deposit In caused by the unavoidable metal
duAt which arises during the work and settles with
the tartar coating Of the neglected teeth.
''ThS wearing away o roughening OF the edges
OF the teeth IS well illustrated by shoemakers. who
continuously nails and brads Of different sizes.
which they usually hold in the mouth and which thus
serves handy container When a nail or wire
brad is required the tongue pushes it between the
biting surfaces of the incisor teeth There Is held
fast until required for use.'
This results IN the formation Of eoarseiy jagged
edges ON the ineisor teeth.
Only when the nails continually pushed be-
tween the middle incisor teeth will semi-circuar
erosions later result. which similarly
found I'm upholsterors.'
"As to the effect OF their trade their teeth, we
quote the following in regard to glass blowers; In
order TO form the glass into desired shape
glass blowers make Of long iron tube sometimes
provided with brass mouthpiece. This Is the
called glass blowers pipe which is held between the
this. concave surfaces result the middle in
csor teeth which, when closed, show a rhombic pr
dianond-ike opening characteristic OF glass blowers
"All those whose occupations compel them to
the sewing needle that is tailors, modistes.
makers. etc. show 'st-shaped grooves the cutting
edges OF incisors according the possessor
is right left-handed running from right to left
vice versa either ssntng in the OF the cut
ting edge In the direction OF the cutting plane
THE cause is that most workers in this trade
male and female. bite tear off the thread with the
incisor teeth before threading their needles.
" IT they have the habit OF firmly holding pencils
between their teeth occupationa indications also
evident the front teeth Of teachers and craftsmen
thus causing concave substance erosion
1T has been proved that the habit Of placing nails
in the mouth and replacing those not used in box In
common use has been the cause OF the transmission
OF disease. The same has likewise been reported
among eiass-blowes. For shis shoemalers.
upholserers and glaSs-blowers should be cautioned
10 the danger of their manipulatons and the abo-
ton Of these abuses vigorously demanded.
'"rhe article concludes with this excellent advice:
As experience in other occupations has shown that
notices and posted regulations do not receive the
served attention, need not expect much result from
this method in workshops. The lever for eniighten-
ment and education should already be applied the
apprentices while at the trade-schooIs. II Is there
that should. by OF words and pictures. en-
phasize the great danger to life and health OF such
customary abuses ="