Mandibular Premolars

Card Set Information

Author:
glparker86
ID:
235097
Filename:
Mandibular Premolars
Updated:
2013-09-16 01:16:51
Tags:
Tooth Morphology
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Description:
Tooth Morphology
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  1. What shape can be seen from the facial view of the Mandibular first premolar ?

    Which buccal cusp ridge is shorter ? MB or DB
    5-sided Pentagon

    MB
  2. Is the mandibular 1st premolar the variable in size of any premolar ?

    is the lingual cusp larger or smaller ?

    Is there a mesial ligual groove?
    Yes

    Smaller

    Yes
  3. Is the 1st mandibular premolar trapezoidal or rhomboidal ?

    Is the buccal tip or the lingual tip located over the root ?
    rhomboidal 

    Buccal tip, lingual cusp tip is over lingual root surface
  4. from the mesial veiw what is the lingual incline in terms of degrees ?
    45 degree
  5. What is the occlusal shape of the first mandibular premolar ? 

    How much of the space does the buccal cusp occupy ?
    Diamond

    2/3
  6. How to tell the difference between the first and second mandibular premolar ?
    mesial groove
  7. How many cusps does the second mandibular premolar usually have ? Where are they placed ?
    • 2 or 3 
    • One facially or  (1 or 2) lingually
  8. Mandibular second premolar cusp variety and number of cusps ?
    • U- 2
    • Y-3
    • H-2
  9. Can the second premolar be missing congenitally ?
    yes

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