Quiz #4 Review Flashcards
SLIDE 2: PERMANENT MAXILLARY FIRST PREMOLAR – Lingual
(“What is correct regarding to the items listed below” -kind of question”)
Q: Regarding to the lingual surface of the permanent maxillary first premolar:
1) The lingual cusp tip is slightly \_\_\_\_\_\_\_\_\_\_\_\_\_ (mesial or distal) to the mesiodistal long axis bisector. 2) The mesial cuspal ridge will be \_\_\_\_\_\_\_\_ (shorter or longer) than the distal cuspal ridge. 3) The distal cuspal ridge will be \_\_\_\_\_\_\_\_\_ (shorter or longer) than the mesial cuspal ridge. 4) It is characteristic of the lingual cusps of both maxillary premolars to "swing" or point" to the \_\_\_\_\_\_\_ (mesial or distal). 5) (T/F) The lingual cusp tip is NOT as pointed as the FACIAL cusp tip
1) MESIAL
2) SHORTER
3) LONGER
4) MESIAL
5) TRUE (main word here is more POINTED)
SLIDE 3: PERMANENT MAXILLARY FIRST PREMOLAR – Mesial
(Know measurement values btwn the root and the crown on the mesial aspect)
Q: The faciolingual measurement of the root trunk at the cervical line is about ___________ (# and more or less) mm than the overall faciolingual crown measurement.
( _____ #mm overhang facially and ______ #mm overhang lingually)
A: 1.0mm LESS than.
0.5mm overhang facially and 0.5mm overhang lingually
SLIDE 4: PERMANENT MAXILLARY SECOND PREMOLAR – Occlusal
(T/F statement question)
Q1: The triangular ridges are approximately the _____________ (same or different length) and the point at which they meet is located ____________ (slightly lingual or facial) to the faciolingual bisector of the crown.
Q2: ____________ (often, rarely, or never) will there be a true, CONTINUOUS transverse ridge since the two triangular ridges are separated by a ___________ (distal, mesial or central groove).
Q1: SAME length, slightly LINGUAL
Q2: RARELY, CENTRAL GROOVE
SLIDE 5: PERMANENT MANDIBULAR FIRST PREMOLAR – Facial view
Q: In a permanent mandibular first premolar, the mesial cuspal ridge is __________ (shorter or longer) than the distal cuspal ridge.
A: SHORTER
-Note:
All facial cusp ridges of premolar teeth are shorter at the mesial end except for the facial cusp ridges of the maxillary 1st premolar.
SLIDE 6: PERMANENT MANDIBULAR FIRST PREMOLAR – Facial view
Q1: In the facial view of the permanent mandibular first premolar, the crown tapers __________ (alot or not much) from the contact areas to the cervical line.
Q2: The point of contact for this tooth is located where?
A1: ALOT. (Professor might use the word “markedly” instead of alot on exam. Same meaning).
A2: MIDDLE THIRD of the crown.
(NOT!!! at the junction of the middle third and cervical)
SLIDE 7: PERMANENT MANDIBULAR FIRST PREMOLAR – Mesial view
Q1: What groove is present on all permanent mandibular first premolar?
Q2: Where is the location of this groove?
A1: MESIOLINGUAL GROOVE
A2: MERSIOLINGUAL LINE ANGLE
SLIDE 7: PERMANENT MANDIBULAR FIRST PREMOLAR – Mesial view
Q: The mesiolingual groove __________ (is or is not continuous) with the mesiolingual coronal depression.
A: IS NOT CONTINUOUS
SLIDE 8: PERMANENT MANDIBULAR SECOND PREMOLAR – Lingual view
Q1: In the permanent mandibular second premolar, the mesiolingual cusp tip is approximately _________ (#mm shorter or taller) than the facial cusp tip.
Q2: The distolingual cusp tip is about __________ (#mm shorter or taller) than the facial cusp tip.
A1: 1.5 mm shorter
A2: 2.0 mm shorter
SLIDE 9: PERMANENT MANDIBULAR SECOND PREMOLAR – Mesial view
(Position of facial cusp: Single answer question)
Q: The facial cusp tip of the permanent mandibular second premolar is located where to the vertical long axis of the tooth?
A: SLIGHTLY FACIAL
SLIDE 10: PERMANENT MAXILLARY FIRST MOLARS: Facial Aspect
(T/F Question)
Q: When measuring from the cervical line to the respective cusp tip:
- The facial cusps are slightly _________ (taller or shorter) than the lingual cusps, and the mesial cusps are slightly _________ (taller or shorter) than distal cusps.
A: TALLER (F>L)
A: TALLER (M>D)
SLIDE 11: PERMANENT MAXILLARY FIRST MOLARS: Mesial aspect
Q1: On the mesial aspect of this permanent maxillary first molar, the facial outline of the mesiofacial root often extends __________ (facially or lingually) in its ______________ (cervical, middle, or occlusal) one third almost beyond the greatest projection of the crown
Q2: In the middle third of the root curves __________ (facially or lingually) to a relatively __________ (sharp or blunt) apex that is approximately in line with the tip of the _____________ (mesiofacial or mesiolingual) cusp.
Q1: extends FACIALLY in its MIDDLE ONE-THIRD
Q2: the root curves LINGUALLY to a relatively BLUNT apex that is approximately in line with the tip of the MESIOFACIAL cusp
SLIDE 12: PERMANENT MAXILLARY FIRST MOLARS: Distal Aspect
(Looking for a single correct answer)
Q1: Why is it possible to see much of the occlusal anatomy from the distal aspect of the permanent maxillary first molars?
Can see much of the occlusal anatomy from the distal aspect because the the crown of this tooth is SHORTER ON THE DISTAL HALF than on the mesial half
NOTE: no curvature of the cervical line.
SLIDE 13: PERMANENT MAXILLARY FIRST MOLARS: Occlusal Aspect
(True or False statement)
Q1: when viewing the occlusal surface of the permanent maxillary first molar:
- The crown is wider mesially or distally? (It has DISTAL convergence)
- The crown is wider facially or lingually? (It has FACIAL convergence)
Q2: Overall, the crown converges at what point? This is a unique feature of this tooth
A1: Wider MESIALLY than distally
A2: WIder LINGUALLY than facially
A3: the crown converges to the DISTOFACIAL (which is a unique feature to this tooth)
SLIDE 13: PERMANENT MAXILLARY FIRST MOLARS: Occlusal Aspect
Q1: How many cusp are present on the first maxillary permanent molar? How many major/well developed and minor cusps are there?
5 total. 4 well developed cusps and 1 minor cusp (cusp of Carabelli)
SLIDE 14: PERMANENT MAXILLARY THIRD MOLARS: Mesial Aspect
Q1: What is the crown to root ratio seen on the permanent maxillary third molars? (The root is only _______ (1,2, or 3) the length of the crown, which is _______ ( short or tall) for molars.
A1: 1:2 (crown:root)
A2: TWICE
A3: SHORT
SLIDE 15: PERMANENT MANDIBULAR FIRST MOLAR: Facial aspect
(Cusps height order question)
Q: List the five cusps in order from tallest to shortest from this facial aspect of the perm. mandibular first molar: (MF, ML, DF, D, DL)
A: MESIOLINGUAL cusp
MESIOFACIAL cusp
DISTOFACIAL cusp
DISTOLINGUAL cusp
DISTAL cusp
ML > MF > DF > DL > DSLIDE 16: PERMANENT MANDIBULAR FIRST MOLAR: Mesial aspect
Q: In the permanent mandibular first molar mesial aspect, the mesiolingual cusp tip is going to be vertically lined up with what?
A: The mesiolingual cusp tip lines up with the MIDDLE 3rd ALMOST TO THE APICAL 3rd of the root.
SLIDE 16: PERMANENT MANDIBULAR FIRST MOLAR: Mesial aspect
*The LINGUAL cusp tip is located just _______ (facial or lingual) to the lingual root outline in the ____________ (cervical or middle) one-third of the root.
A: FACIAL, CERVICAL one-third
SLIDE 17: PERMANENT MANDIBULAR FIRST MOLAR – Occlusal Aspect
(Multiple answer standpoint question)
Q: Which cusp is the most FACIALLY placed cusp on the tooth? (MF, ML, DF, D, or DL)?
Q: Which cusp is the most MESIALLY placed cusp on the tooth? (MF, ML, DF, D, or DL)?
A1: DISTOFACIAL CUSP (DF)
A2: MESIOLINGUAL CUSP (ML)
SLIDE 18: PERMANENT MANDIBULAR SECOND MOLAR –Mesial Aspect
(Looking for one correct answer statement)
Q: The ____________ (facial or lingual) outline of the crown has a LONGER measurement than the __________ (facial or lingual) crown outline, as is measured from the facial or lingual portion of the ______________ ( middle occlusal or cervical) line to the respective ____________ (apex tip or cusp tip).
A1: FACIAL outline LONGER than LINGUAL crown outline.
A2: Measured from the CERVICAL line to the respective CUSP TIP.
SLIDE 19: PERMANENT MANDIBULAR SECOND MOLAR –Occlusal Aspect
(T/F Statement)
Q1: The central pit forms where the ________, ______, ________ (list three grooves) grooves meet.
Q2: The central pit is located on the __________ (facial or lingual) half of the crown.
A1: FACIAL, LINGUAL, and CENTRAL grooves.
(F,L,C)
A2: located on the LINGUAL half of the crown.
SLIDE 20: PERMANENT MANDIBULAR THIRD MOLAR – Mesial Aspect
Q1: The inclines of the TRIANGULAR RIDGES of both the facial and lingual cusps are ___________ (steeply or shallow angled) at approximately _________ (# degrees) from the horizontal.
A1: STEEPLY, 40 DEGREES
SLIDE 21: PERMANENT MANDIBULAR THIRD MOLAR – Occlusal Aspect
(Single answer question)
Q: Which line angle is the MOST ANGLED and SHARPEST? (MF, ML, D, DL, or DF)
MESIOLINGUAL LINE ANGLE
(ML)
