RESD Midterm Maxillary and Mandibular Premolars

  1. Which teeth are Largest and most posterior teeth that are Non-succedaneous , also their 
    Eruption pattern is 1st and last permanent teeth to erupt ?
    Permanent Molars
  2. What are the  “6-year” molars ?

    What are the  “12-year” molars ?

    What are wisdom “wisdom teeth”
    First Molars 

    Second Molars 

    Third Molars
  3. What are posterior teeth for ?

    What teeth are consider the "Cornerstones of Occlusion"

    What teeth control the maintenance of the  "vertical dimension of the occlusion"
    Grinding 

    1st Molars

    1st Molars
  4. Which way is larger on the Maxillary Molar ?

    How many cusps does it usually consist of ?
    FL > MD

    4-5 cusps
  5. Is the O-C dimension the smallest or largest of all Maxillary teeth of the Maxillary Molars

    Place the Maxillary molars in order from largest to smallest ?

    Place the dimesion (FL , OC, MD ) of the Maxillary Molars in order from Largest to smallest ?
    Smallest

    1st, 2nd, 3rd molars

    FL > MD> OC
  6. Place the cusp sizes (ML , DL , MB, DB ) in order from largest to smallest ?  (Visualize it on the occlusal surface)
    ML > MD > DB > DL
  7. Which mandibular premolar may be confused with a mandibular canine ?
    First
  8. Which cusp is the shortest among the mandibular premolars ?
    First Lingual
  9. Which marginal ridge of the mandibular 1st premolar has the most inclination ? How do the marginal ridge inclinations of the mandibular 1st and 2nd compare with each other ?
    1st mesial marginal ridge - 45o

    The 2nd are shorter and not as defined
  10. What unique anatomical feature is typically found on the mesioligual crown surface of the mandibular 1st ?
    Mesiolingual groove
  11. From a proximal view of the manidbular 1st premolar , where is the facial cusp tip located , relative to the mid-root long axis ? How does this compare with that of the mandibular 2nd premolar ?
    1st is centered 

    2nd is facial to the root tip
  12. From a proximal view of a mandibular premolar , where is the lingual cusp tip located relative to the lingual root line ?
    Centered with lingual root surface
  13. Where is the lingual height of contour found o the mandibular 2nd premolar ? How does this compare with the mandibular 1st premolar ?
    2nd is middle occlusal third

    1st is Middle third
  14. Which mandibular premolar could exhibit several different occlusal forms ? What are the forms ?
    Mandibular 2nd premolar 

    Y , U , and H
  15. Which premolar might develop from five lobes ?
    2nd premolar
  16. Which lingual cusp of a mandibular 2nd premolar is the larger in a 3 cusp-variety ?
    MesioLingual

    B > ML > MB
  17. Which premolar might be said NOT to have a transverse ridge ?
    2nd premolar - 3 cusp variety , Y-type
  18. From a facial view , which mandibular premolar has a sharper cusp ?
    1st
  19. On a mandibular 1st premolar , how does the mesial height of contour compare with the distal ? what is unique about this ? Which other tooth might exhibit this same characteristic ?
    They are about the same , Mesial and distal at Middle third - distal is more occlusal
  20. From an occlusal view , which premolar has the least taper lingually ? Be specific
    2 cusp variety
  21. The mesiolingual groove is found only in which premolar ?
    1st premolar
  22. A lingual groove may be found in which premolar ?
    2nd premolar -3 cusp variety - Y-Type
  23. From a facial view of a maxillary 1st premolar , which cusp slope is longer , mesial or distal ?Compare this with the second ?
    1st is mesial 

    2nd is distal
  24. From a facial view of a maxillary 1st premolar , where is the cusp tip located relative to the mid-root long axis ? Compare this with a maxillary 2nd premolar ?
    1st - Distal 

    2nd - Mesial
  25. How many root forms does the maxillary 1st premolar normally present ? Which is most often seen ?
    3 root forms - single root , bifurcated , and semi-bifurcated 

    Type 1 , Type 2, Type 3 respectively 

    Bifurcated is the most common
  26. Which proximal surface of a maxillary 1st premolar exhibits more concavity ?
    Mesial
  27. Looking at the occlusal table of a maxillary 1st premolar , compare the angles at the mesiofacial and distofacial corners -which is more acute ?
    Distobuccal
  28. Which marginal ridge is longer on the maxillary 1st premolar ?
    Distal
  29. From a facial view of a maxillay 1st.premolar, where is the cusp tip located to Mid-root long axis?Compare this with a maxillary 2nd premolar.
    1st =Distal 2nd= Mesial
  30. How many root forms does the maxillary 1st premolar normally present? Which form is most often seen?
    There are 3 root forms - Type 2 =bifurcated is most common
  31. Which proximal surface of a maxillary 1st premolar exhibits more concavity?
    Mesial
  32. Looking at the occlusal table of a maxillary 1st premolar, compare the         anglesat the mesiofacial and distofacial corners - Which is more acute?
    Distofacial
  33. Which marginal ridge is longer on a maxillary 1st premolar?
    Distal
  34. From an occlusal view of the maxillary premolars, where are the proximal contacts located, relative to the central groove?
    They are both more facial , with the distal being the most facial
  35. Which maxillary premolar has the deeper central groove?
    1st premolar
  36. From a proximal view, where is the occlusal table of maxillary premolars located, relative to the root trunk?
    They are centralized
  37. Which is the larger dimension of maxillary premolars: faciolingual or occlusocervical?
    Faciolingual
  38. Of the four cusps of maxillary 1st and 2nd premolars, which is the shortest?
    Maxillary 1st Lingual
  39. A developmental groove crosses over the mesial marginal ridge most frequently in which maxillary premolar?
    Maxillary 1st
  40. Where is the lingual height of contour found in both maxillary 1st and 2nd premolars?
    Middle third
  41. What distinguishing feature found on the mesial surface differentiates between a maxillary 1st and 2nd premolar?
    Mesial concavity and mesial grove
  42. From an occlusal view, which of the premolars is the most symmetrical?
    2nd premolar
  43. How do the lengths of the central grooves compare between the maxillary 1st and 2nd premolars?
    1st is wider and 2nd is shorter
  44. Which root surface of a maxillary 2nd premolar has a more pronounced depression?
    Distal
  45. From a lingual view, the lingual cusp of a maxillary premolar tends to lean towards which proximal surface?
    Mesial
  46. How would you distinguish between a maxillary 1st and 2nd premolar?
    Bifurcation , central groove , concavity
  47. How would you distinguish between a right and left maxillary premolar?
    FL taper , concavity , roots
  48. What are the anatomical structures that make up the borders of an premolar occlusal table ?
    Cusp ridges and Marginal ridges
  49. What are the anatomical features found within an occlusal table?
    Grooves, pits, and fossae
  50. How many developmental lobes are normally found in premolars?
    4
  51. How many developmental lobes make up the facial cusps of premolars?
    3
  52. What is a transverse ridge?
    Two triangular ridges meet
  53. From an occlusal view, which premolar (maxillary or mandibular) would show more of the
    • facial surface?
    • Mandibular
  54. Compare the relative mesiodistal and facio lingual dimensions of a maxillary premolar?
    Wider F-L than M-D
  55. Compare the relative mesiodistal and faciolingual dimesions of a mandibular premolar?
  56. Which primary teeth do the premolars succeed? (Premolars are the only succedaneous
    • teeth that have a name different that of the primary teeth they replace)
    • Primary Molars
Author
glparker86
ID
242235
Card Set
RESD Midterm Maxillary and Mandibular Premolars
Description
RESD
Updated