lecture 6 ergonomics Flashcards
1
Q
3 ps to fittness
A
postur
positioning
periodic stretching
2
Q
main cause of musculoskeletal disorders in dentistry
main cause of disability among dentist
A
CTD
cumulative trauma disorders
3
Q
what are the 4 ADA caries classification system
A
sound
initial
moderate
advanced
4
Q
entirely in enamel
E2, ICDAS 2
A
initial caries
(2nd layer)
5
Q
lesion entering dentin
A
moderate caries
D1, ICDAS 3
6
Q
well into dentin approaching pulp
D3, ICDAS 5
A
advanced caries
7
Q
interproximal caries.
caries attack _____ to the contact area
A
gingival
8
Q
resist fracture=
retain restoration=
A
resistance
retention
9
Q
allows prep to break contact while allowing buccal wall to meet tooth surface at 90 degree exit angle
and improves resistance!
A
reverse S curve on amalgam
10
Q
A
