Exam (elaborations)
DENTAL HYGIENE OSCE 2 QUESTIONS WITH COMPLETE SOLUTIONS
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DENTAL HYGIENE OSCE 2 QUESTIONS WITH COMPLETE SOLUTIONS
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Dens invaginatus A condition found in teeth wherethe outer surface folds inward.
"a tooth within a tooth"
Dens evaginatus A condition found in teeth where
the outer surface appears to
form an extra bump or cusp.
Mostly found in premolars
Radiolucent dark
radiopaque light
Horizontal bone loss bone destruction parallel to a line
between CEJs of adjacent teeth
indicator of periodontal disease
Vertical bone loss Adjacent to one tooth, looks like
a triangular notch
indicator of periodontal disease
Recurrent decay Decay is diagnosed from
radiograph or from the margin of
an existing restoration.
Recent extraction Socket is demarcated by
radiopaque bundle bone in which
the PDL had anchored to the
tooth.
After 18 months, it can no longer
be distinguished. Palatal tori normal bony growth of bone on
the midline of the hard palate
Mandibular tori normal bony growths of the
lingual aspect of the mandible
Mesiodens A supernumerary tooth present in
the midline between two central
incisors
can result in oral problems
-malocclusion
-food impaction
-poor aesthetics
-cyst formation
Concrescence A condition of teeth where the
cementum overlying the roots of
at least two teeth join together.
cause: trauma or crowding
treatment: surgical separation
Taurodontism A condition found in the molar
teeth whereby the body of the
tooth and pulp chamber is
enlarged vertically at the
expense of the roots.
cause: failure or late invagination
of Hertwig's epithelial root
sheath.
Class 1 furcation Furcation can be detected with a
probe but cannot enter the
space.
Class 2 furcation Furcation where the probe
penetrates the furcation but does
not pass through to the other
side.
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