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41.
odontology
[odonto-,
tooth + -logy, study] : the science dealing with the structure,
growth, and diseases of the teeth; dentistry/ 치(과)학,
치과의술
42.
periodontal [peri-, around + odont-, tooth + -al]
: (adj)
①
situated or occurring around a tooth
②
affecting the gums, connective tissues, etc. surrounding the teeth
-
Scurvy
(괴혈병),
due to vitamin C deficiency, frequently
affects the marginal and interdental gingiva, which becomes swollen and
bright red and readily bleeds and ulcerates. Hemorrhage
(출혈)
into the periodontal
membrane causes loosening
and loss of teeth.
[Essential
Pathology
written by Emanuel Rubin & John L. Farber]
-
Chronic
gingivitis is one of the most widespread disorders
of the periodontal
tissues. Local factors that cause gingivitis include microorganisms, calculus
(치석),
food impaction
(이빨
사이에 음식물 끼는 것) ,
tooth malposition or defects, irritating restorations or prostheses (보철물),
topical drugs (국부
마취제), and
chemicals. The most important and most frequent causes of chronic gingivitis
are microorganisms, alone or in combination with
physical or chemical irritants.
[Essential
Pathology
written by Emanuel Rubin & John L. Farber]
43.
periodontics : (n) the branch of dentistry concerned with diseases of the bone
and tissue supporting the teeth
44.
periodontitis : 치주염(齒周炎)
45.
(dental) caries
: decay of bones or, esp., of teeth/충치
-
One
of the most prevalent chronic diseases is dental
caries. It
affects persons of both sexes and every age group through the world, and its
incidence has increased with modern civilization. The cause of dental
caries is
complex; main factors are microorganisms, host, and environment, with numerous
interrelations among them.
[Essential
Pathology
written by Emanuel Rubin & John L. Farber]
46. wisdom
tooth : the back
tooth on each side of each jaw in human beings, the third molar, appearing
usually between the ages of 17 and 25/사랑니
47.
tooth
[ toth < *edont- (base *ed-,
to eat) < dens <odontos,
tooth] : any of a set of hard, bonelike structures (normally 32 in the human
adult) set in the jaws of most vertebrates and used for biting, tearing, and
chewing
-
a
back tooth; a molar (tooth) /어금니
-
a
canine /송곳니
-
an
incisor /앞니
-
a milk tooth
/젖니
  A
tooth consists typically of a sensitive, vascular
pulp(치수:齒髓)
surrounded by dentine(상아질)
and coated on the crown(치관:齒冠)
with enamel and on the root with cement.
The
snow was blowing in my face, but I
gritted my teeth
and went on.
Brush
your teeth twice a day.
I'm
going to dentist to have a tooth out.
-
tooth
and nail :
with great violence or determination
We
fought tooth
and nail to
get our plans accepted.
Comparison
Tooth
is the general,
inclusive word; tusk
refers to a long,
pointed, enlarged tooth projecting outside the mouth in certain animals, as the elephant,
wild boar, and walrus,
and used for digging or as a weapon; fang
refers either to
one of the long, sharp teeth with which meat-eating animals tear their prey
or to the long, hollow tooth through which poisonous snake inject their venom.
48.
teeth
: (n)
①
pl. of TOOTH
②
effective force or power
-
in
the teeth of
: against the strength of; in spite of opposition from
The
government persisted in introducing the new measures in
the teeth of
public
opinion(여론).
-
by
the skin of one's teeth
: only just; with very little time or space to spare
He
had to run for the train, and caught it by
the skin of his teeth.
When
will the police be given the necessary teeth
to deal
with young criminals ?
49.
teethe : (esp. of a baby) to grow teeth
50.
teething troubles : (n.) problems happening
during the early stages of an activity or operation
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March 17, 2000
/ Last updated : April 10, 2002
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