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EXAMINATION OF THE PATIENT
97
(3) The points of bodily contact with the patient should
be as few as possible: as a rule only those secured by the
correct application of the rest and guard.
He should breathe slowly and
(4) deeply, naturally,
through the nose, avoiding inhaling the patient's breath, or
exhaling into his face.
The correct position of the chair may be described as
follows
(i) For the upper teeth the chair should be tilted more or
less backward (in order that a better view may be obtained),
and elevated to a greater or less extent (depending on whether
the anterior or posterior teeth are concerned), to suit the
convenience of the operator.
(2) For the lower teeth the patient should be in the upright
position, so that the light may be thrown directly onto their
surfaces, with the chair lowered.
Children should usually be examined at intervals of about
three or four months, while adults should receive attention
at least twice a year. However, in cases of pyorrhea and simi-
lar disturbances it is often advisable to see the patient at
more frequent intervals. Explorers, mouth mirrors (plane
and concave), floss silk, magnifying glasses (hand or jeweler's),
the chip blower, absorbents and the electric mouth lamp are
all valuable adjuncts.
The regions or localities requiring specially close inspection
are:
(i) Lines of union of enamel plates, such as pits and fis-
sures on occlusal, buccal and lingual surfaces.
(2) The gingival region, at and beneath the gum margin.
Proximal surfaces, especially near and gingivally to the
(3)
contact point, where decay most frequently begins on these
surfaces.
Margins of fillings, inlays and crowns.
(4)
EXAMINATION OF THE PATIENT
97
(3) The points of bodily contact with the patient should
be as few as possible: as a rule only those secured by the
correct application of the rest and guard.
He should breathe slowly and
(4) deeply, naturally,
through the nose, avoiding inhaling the patient's breath, or
exhaling into his face.
The correct position of the chair may be described as
follows
(i) For the upper teeth the chair should be tilted more or
less backward (in order that a better view may be obtained),
and elevated to a greater or less extent (depending on whether
the anterior or posterior teeth are concerned), to suit the
convenience of the operator.
(2) For the lower teeth the patient should be in the upright
position, so that the light may be thrown directly onto their
surfaces, with the chair lowered.
Children should usually be examined at intervals of about
three or four months, while adults should receive attention
at least twice a year. However, in cases of pyorrhea and simi-
lar disturbances it is often advisable to see the patient at
more frequent intervals. Explorers, mouth mirrors (plane
and concave), floss silk, magnifying glasses (hand or jeweler's),
the chip blower, absorbents and the electric mouth lamp are
all valuable adjuncts.
The regions or localities requiring specially close inspection
are:
(i) Lines of union of enamel plates, such as pits and fis-
sures on occlusal, buccal and lingual surfaces.
(2) The gingival region, at and beneath the gum margin.
Proximal surfaces, especially near and gingivally to the
(3)
contact point, where decay most frequently begins on these
surfaces.
Margins of fillings, inlays and crowns.
(4)
