Reading...
Play button
Play button
Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
44 Cards in this Set
- Front
- Back
|
Succedaneous replacement for which tooth
|
Deciduous second molar
|
|
|
Universal numbers of mandibular 2nd premolar (right and left)
|
rt = #29
lt = #20 |
|
|
what structures are longer than 1st premolar
|
crown and root
|
|
|
how many cusp
|
usually 2 cusp
|
|
|
Mandibular 2nd premolar initiation of calcification
|
2.25 - 2.5 yr
|
|
|
Mandibular 2nd premolar completion of enamel
|
6 -7 yr
|
|
|
Mandibular 2nd premolar eruption
|
11- 12 yr
|
|
|
Mandibular 2nd premolar completion of root
|
13 - 14 yr
|
|
|
height of contour from buccal aspect
|
cervical 1/3
|
|
|
From buccal aspect, the cusp tip is shorter and centered in which direction
|
mesiodistally
|
|
|
Root have an inclination to which side
|
distal, apical 1/3
|
|
|
How many roots
|
normally single
|
|
|
How is it different than first premolar
|
slightly wider and longer
|
|
|
Number of cusp
|
3
|
|
|
Is the convergence of mesial and distal surface as severe as 1st premolar
|
no
|
|
|
name the type of cusp from the occlusal groove pattern
|
Y - 3 (most common)
H - 2 cusp U - 2 |
|
|
Number of pits
|
central, mesial, distal
|
|
|
7 grooves are
|
central,
ML triangular, MB triangular, mesial marginal DL triangular, DB triangular, distal marginal |
|
|
H and U buccal cusp and lingual cusp characteristic
|
buccal: higher and larger
lingual: mesial offset |
|
|
Distal aspect what cusp visible
|
mesiolingual and distolingual
|
|
|
contact area of distal
|
larger, ovoid wider buccolingually.
|
|
|
Root have an inclination to which side
|
distal, apical 1/3
|
|
|
How many roots
|
normally single
|
|
|
How is it different than first premolar
|
slightly wider and longer
|
|
|
Number of cusp
|
3
|
|
|
Is the convergence of mesial and distal surface as severe as 1st premolar
|
no
|
|
|
name the type of cusp from the occlusal groove pattern
|
Y - 3 (most common)
H - 2 cusp U - 2 |
|
|
Number of pits
|
central, mesial, distal
|
|
|
7 grooves are
|
central,
ML triangular, MB triangular, mesial marginal DL triangular, DB triangular, distal marginal |
|
|
H and U buccal cusp and lingual cusp characteristic
|
buccal: higher and larger
lingual: mesial offset |
|
|
Distal aspect what cusp visible
|
mesiolingual and distolingual
|
|
|
contact area of distal
|
larger, ovoid wider buccolingually.
|
|
|
contact area of distal
|
larger, ovoid wider buccolingually.
|
|
|
marginal ridge is oriented how
|
horizontally
|
|
|
What groove is visible from the mesial aspect
|
mesial marginal groove
|
|
|
height of contour
|
lingual occusal 1/3
|
|
|
cervical line is more or less depth of curvature
|
less
|
|
|
Contact area
|
junction middle and occlusal third. toward buccal, circular
|
|
|
mesial aspect is the lingual cusp more ore less prominent than 1st premolar
|
more
|
|
|
What cusp is not visible to mesial aspect
|
DL cusp
|
|
|
Is the buccal over the center
|
Yes
|
|
|
Which is better developed 1st or 2nd lingual premolar
|
2nd premolar
|
|
|
What is the lingual cusp
|
mesiolingual and distolingual cusp w/ lingual groove
|
|
|
mesiolingual characteristic
|
cusp is wider, longer lingual groove offset to distal
|
