RDA instruments |Elaborations with pictures

RDA instruments (exam 2015/2016)

1. Woodson (all classes/teeth) Pick up soft material
carry soft material
Condense into the cavity prep




2. Woodberry spoon Removes deep decay
excavator (All
classes/teeth)




Removes deep decay
3. Darby Perry Spoon
excavator (all classes/teeth)




Trims
4. Gingival margin trimmer Bevels
(class V gingival1/3)




Forms angles
5. Angle former (class IV - Anteri-
or/Proximal with incisal
involve- ment)

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, RDA instruments (exam 2015/2016)

6. Shapes the walls of the cavity prep




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, RDA instruments (exam 2015/2016)

Wedelstaedt Chisel (Class III - Ant with Prox surface with no incisal
involvement.)




7. Bin Angle Chisel ( Class III - Shapes the walls of the cavity prep
An- terior teeth with proximal
sur- face w/no incisal
involvement)



Shapes the walls of the cavity prep
8. Straight Chisel (Class III - Ant
with proximal surface with
no incisal edge involvement)


Shapes the walls of the cavity prep
9. Enamel Hatchet (Class II -
Pos- terior proximal surface)




Smooth floor cavity prep
10. Side cutting hoe - (Class I - All
pits and fissures)

11. Amalgam carrier Picks up and carriers amalgam to
the cav- ity prep




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