2. Dental lathe
Source of movement for polishing
instrument
OR
Moving The polishing instrument
…To polish the denture .
Or
Any Other Suitable Answer
2012 - 2013
Haider Alshemmari
3. Bench press
Closing The Two halves of flask
Under pressure of about 100 Kg/cm2
2012 - 2013
Haider Alshemmari
13. The error in selective
grinding :
The occlusion is cusp
to cusp not cusp to
fossa ( Valley )
Haider Alshemmari
14. Zinc oxide eugenol impression
material
A . Zinc oxide
A. Zinc oxide (base)
B. Eugenol (catalyst)
A
C. ZOE … Mixed
…………………………
………
c
Indications :
1. Final impression
complete denture .
2. Relining material
B
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Eugenol has a
distinct odor ,
while zinc oxide was
odorless
22. Notes :
~Denture After Flasking process called ……. Processed
Denture .
~ Plaster Knife (small Knife)
~ Sheet of Wax >>> Called ` Modeling Wax `
~
Pumice )
~Dental Stone …. Yellow …. Fabrication of master Cast
~ Dental Plaster ….. White …. Fabrication Of Primary Cast
~Shellac Base…… Constriction of special Tray
Hand piece
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Foot piece
23. ~Differentiation Between The Different Types of Teeth~
1- Canine …. Lower canine (rectangle) While the upper canine (bulk)
The mesial side is shorter than the distal side .
2- premolars …. Upper premolars >> There occlusal surfaces are oval.
While The lower premolars >>>> There occlusal surfaces are round .
3. Upper premolars > Usually … Mesial marginal ridge is thinner than distal marginal
ridge .(to differentiate between left and right premolars.)
4. Lower premolars >> Usually 1st pre- Shorter than 2nd pre –
5.Molars … Upper molars …. There occlusal Surfaces Rhomboidal ….
While the lower molars are Rectangle...
6.The 6th is larger Than The 7th …. In Both arches .
7. The mesio-palatal cusp is the larger cusp …in the upper molars …
8.The Lower 6th is the only teeth that have the distal cusp ,,,,
2012-2013
Haider Alshemmari
