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EFDA entrance exam Questions with 100% Correct Answers |Verified
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EFDA entrance exam Questions with 100% Correct Answers |Verified
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EFDA entrance exam Questions with 100%Correct Answers |Verified
Max 1st premolar-mesial - ✔✔Type of the cusps are well within the confines of root trunk
Lingual cusp is shorter than buccal cusp
Mesial marginal groove- continuous with central groove on occlusal surface.
Crosses mesial marginal ridge and terminates lingual to mesial contact point. Remember we
can ID a tooth by difference in groove placement
Max 1st premolar- distal - ✔✔Deep developmental groove- no evidence of a groove crossing
distal marginal ridge
Max 1st premolar- occulsal - ✔✔Six- sided or hexagonal figure (MB, ML, M, DB, DL and D)
Supplemental grooves- do not have supplemental grooves
Central developmental groove is well defined
Four developmental grooves join the central groove inside marginal ridge (MB, ML, DB and DL)
Possesses a mesial triangular fossa and distal triangular fossa. A fossa is a concave area
6. Possesses a buccal triangular ridge and lingual triangular ridge. Know definition of triangular
ridge
,Max 2nd premolar- Buccal - ✔✔Buccal cusp is not as long or as pointed as first premolar
Mesial ridge shorter than distal ridge (opposite first maxillary premolar)
Cervical portion-thicker at its cervical portion
Buccal ridge is not as prominent when compared to first of premolar
Max 2nd premolar-M/D - ✔✔Buccal and lingual cusps of all premolars are more nearly same
length and size
Distance between cusp tips-may be greater distance between
3. No mesial marginal groove; however, remember the maxillary first premolar does possess
Max 2nd premolar- Occusal - ✔✔Crown is more rounded or oval
Central developmental groove is shorter and more irregular than maxillary first premolar
3. Supplemental groove-looks more wrinkled due to tendency toward having supplemental
grooves.
Mand 1st premolar- buccal - ✔✔Middle buccal lobe is well developed with buccal ridge. CEJ
to cusp tip
Large pointed buccal cusp
, Mesial cusp ridge is shorter distal than distal cusp ridge
Cervix is narrow mesial-distal when compared to width at contact points
Developmental depressions often seen between 3 lobes
mand 1st premolar- lingual - ✔✔Lingual cusp is always small—Least developed of all
premolars
mand 1st premolar- occulsal - ✔✔surface-most of it can be seen from lingual surface
Lingual cusp tip is pointed
4. Possesses a Mesiolingual developmental groove
Middle buccal lobe makes up major bulk of crown-a common characteristic
Buccal ridge is prominent
Marginal ridges are well developed
Lingual cusp is small-is the least developed of all premolars
Triangular ridge and Transverse ridge (a) heavy buccal triangular ridge and small lingual
triangular ridge (b) Where triangular ridges meet the ridge is called a transverse ridge
6. Mesial and distal fossa-may end up with pits in
mand 1st premolar- mesial - ✔✔Mesiolingual groove is evident
Mesiobuccal lobe is prominent from mesial aspect
Tip of buccal cusp nearly centered over root
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