OSCE DENTAL HYGIENE LATEST
ANSWER ALL QUESTIONS IN THIS SECTION
QUESTION 1
Recession - ANSWERS-free gingival margin is apical to the CEJ exposing the root
surface.
QUESTION 2
What factors can cause recession? - ANSWERS--Frenal pull
-Improper brushing
-Flossing technique
QUESTION 3
Class I tooth mobility - ANSWERS--Up to 1 mm horizontal displacement in a
facial lingual direction.
QUESTION 4
Class II tooth mobility - ANSWERS--1-2 mm horizontal displacement in a facial
lingual direction.
END OF
PAGE
1
, OSCE DENTAL HYGIENE LATEST
QUESTION 5
Class III tooth mobility - ANSWERS--Greater than 2 mm horizontal displacement
and/or presence of vertical depression.
QUESTION 6
Fremitus - ANSWERS-Palpable or visible movement of a tooth when in function.
Can be assessed by gently placing a gloved index finger against the facial aspect of
the tooth as the patient taps the teeth together.
QUESTION 7
Furcation - ANSWERS-Loss of interradicular bone on multiorooted teeth.
Nabers probe is used to assess the presence and extent of furcation.
QUESTION 8
Mandibular molars are? - ANSWERS-Bifurcated (mesial and distal roots)
END OF
PAGE
2
, OSCE DENTAL HYGIENE LATEST
QUESTION 9
Maxillary molars are? - ANSWERS-Trifurcated (mesiobuccal, distobuccal, and
palatal roots)
QUESTION 10
Class 1 furcation - ANSWERS-Furcation can be detected with probe but it cannot
enter the space.
QUESTION 11
Class 2 furcation - ANSWERS-Probe penetrates into the furcation, but does not
completely pass through to the other side.
QUESTION 12
Class 3 furcation - ANSWERS-Probe passes completely through the furcation.
END OF
PAGE
3
, OSCE DENTAL HYGIENE LATEST
QUESTION 13
Class 4 furcation - ANSWERS-Entrance to the furca is clinically visible because of
gingival recession and probe passes through the furcation
QUESTION 14
Normal level of the alveolar crest - ANSWERS-located approximately 1-2 mm
apical to (below) the CEJ.
QUESTION 15
What radiographs are used to assess bone level and other problems in the
periodontium? - ANSWERS--PA and Vertical BW
QUESTION 16
Lamina dura - ANSWERS-Sheet of compact bone that lies adjacent to the PDL.
Appears as a continuous white (radiopaque) line around the tooth also following
the PDL space.
-Appears dense and continuous in health and thin in disease.
END OF
PAGE
4
ANSWER ALL QUESTIONS IN THIS SECTION
QUESTION 1
Recession - ANSWERS-free gingival margin is apical to the CEJ exposing the root
surface.
QUESTION 2
What factors can cause recession? - ANSWERS--Frenal pull
-Improper brushing
-Flossing technique
QUESTION 3
Class I tooth mobility - ANSWERS--Up to 1 mm horizontal displacement in a
facial lingual direction.
QUESTION 4
Class II tooth mobility - ANSWERS--1-2 mm horizontal displacement in a facial
lingual direction.
END OF
PAGE
1
, OSCE DENTAL HYGIENE LATEST
QUESTION 5
Class III tooth mobility - ANSWERS--Greater than 2 mm horizontal displacement
and/or presence of vertical depression.
QUESTION 6
Fremitus - ANSWERS-Palpable or visible movement of a tooth when in function.
Can be assessed by gently placing a gloved index finger against the facial aspect of
the tooth as the patient taps the teeth together.
QUESTION 7
Furcation - ANSWERS-Loss of interradicular bone on multiorooted teeth.
Nabers probe is used to assess the presence and extent of furcation.
QUESTION 8
Mandibular molars are? - ANSWERS-Bifurcated (mesial and distal roots)
END OF
PAGE
2
, OSCE DENTAL HYGIENE LATEST
QUESTION 9
Maxillary molars are? - ANSWERS-Trifurcated (mesiobuccal, distobuccal, and
palatal roots)
QUESTION 10
Class 1 furcation - ANSWERS-Furcation can be detected with probe but it cannot
enter the space.
QUESTION 11
Class 2 furcation - ANSWERS-Probe penetrates into the furcation, but does not
completely pass through to the other side.
QUESTION 12
Class 3 furcation - ANSWERS-Probe passes completely through the furcation.
END OF
PAGE
3
, OSCE DENTAL HYGIENE LATEST
QUESTION 13
Class 4 furcation - ANSWERS-Entrance to the furca is clinically visible because of
gingival recession and probe passes through the furcation
QUESTION 14
Normal level of the alveolar crest - ANSWERS-located approximately 1-2 mm
apical to (below) the CEJ.
QUESTION 15
What radiographs are used to assess bone level and other problems in the
periodontium? - ANSWERS--PA and Vertical BW
QUESTION 16
Lamina dura - ANSWERS-Sheet of compact bone that lies adjacent to the PDL.
Appears as a continuous white (radiopaque) line around the tooth also following
the PDL space.
-Appears dense and continuous in health and thin in disease.
END OF
PAGE
4
