Term
| In general, the outline of the facial view of max first molar is closest to what shape? |
|
Definition
|
|
Term
| Originating at the central pit and emerging from between the two facial cusps is the ______ groove. |
|
Definition
|
|
Term
| The buccal groove, terminating in a dip in the buccal contour, is located in the ________ third of the crown. |
|
Definition
|
|
Term
| Which buccal cusp of the maxillary first molar is more pointed? |
|
Definition
|
|
Term
| Compare the mesial and distal views of max first molars. Which exposes more of the occlusal surface? |
|
Definition
|
|
Term
Of the two buccal cusps on the max first molar, which cusp is
a) more pointed
b) sometimes longer
c) larger |
|
Definition
|
|
Term
| How many transverse ridges are on max first molars? If there is some, tell where they run to and from. |
|
Definition
|
|
Term
| How many oblique ridges are there on max 1st molars? If there are some, where do they run? |
|
Definition
|
|
Term
| How many triangular ridges are there on max first molar? List them. |
|
Definition
|
|
Term
| How many pits and fossae do max first molars have? Name them. |
|
Definition
4 fossae; central, mesial triangular, distal triangular, distal
3 Pits: central, mesial, distal |
|
|
Term
| Name the cusps of the max first molar from largest to smallest in height and area. |
|
Definition
ML
MB
DB
DB
Cusp of Carabelli |
|
|
Term
| What are the boundaries of the occlusal table on max first molars? |
|
Definition
mesial and distal marginal ridges
M and D cusp ridges of all the 4 major cusps |
|
|
Term
| How can you tell M from D and B from L on max first molars? |
|
Definition
1) cusp of carabelli--- ML
2) smallest cusp--DL cusp
3) DL groove |
|
|
Term
| On max first molars, list the grooves that run out of the pits. |
|
Definition
Central pit:
central groove
Buccal groove
Mesial pit:
M portion of central groove
M marginal groove
MB triangular groove
ML tri. groove
Distal pit:
DB tri. groove
DL tri. groove
D marginal groove
DL groove |
|
|
Term
| How many lobes does the max first molar form from? |
|
Definition
If cusp of carabelli present: 5
If no cusp of carabelli: 4 |
|
|
Term
On the max first molar:
longest root:
straightest root:
# of roots: |
|
Definition
longest: lingual root
straightest: buccal roots
# of roots: 3 |
|
|
Term
| Name the roots on mand 1st molars. Which one is more likely to be longer and which is marrower and has a sharper apex? |
|
Definition
2 roots: mesial and distal
Mesial: longer
distal: sharper apex |
|
|
Term
| How many lobes form the mand first molar? name them. Which is the smallest? widest? longest? |
|
Definition
5 lobes:
DL
D-smallest
DB
MB-widest
ML-longest |
|
|
Term
| How many fossae and pits are there on mand first molars? |
|
Definition
3 fossae and 3 pits
Central: central pit
Mesial Trian. fossa: mesial pit
Distal Tri. fossa: distal pit |
|
|
Term
| List the grooves coming out of the pits on mand first molars. |
|
Definition
Central pit:
-buccal groove
-lingual groove
-central groove
Mesial pit:
-M marginal
-MB tri.
-DB tri.
Distal pit:
-distal marginal
-DL tri.
****NO DB tri. |
|
|
Term
How many of each of these is on mand first molars?
Transverse ridges,
triangular ridges
oblique ridges |
|
Definition
Transverse: 0
Oblique: 0
Triangular: 5 |
|
|
Term
Perm max first molar
When viewed from a mesial aspect what roots/grooves etc. are seen? How about from a distal aspect? |
|
Definition
Distal: 3 roots, 4 cusps, D marginal groove
Mesial: 2 roots (lingual and MB), M marginal groove |
|
|
Term
Permanent max 2nd molar
Is there a cusp of carabelli |
|
Definition
| NO----only found on max first molars |
|
|
Term
| The first and second maxillary molars are similar in structures, with a few exceptions...list them. |
|
Definition
smaller in size
larger MB cusp in 2nd than 1st
DL cusp is smaller in 2nd than 1st
No cusp of carabelli in 2nd
can be rhomboidal or heart shaped (the first molar cannot be heart shaped) |
|
|
Term
| Which molar is normally the smallest molar in the mouth? |
|
Definition
|
|
Term
| List the different kinds of max third molars there are. |
|
Definition
3 cusp type
4 cusp type
continuous cusp type (teacher has no models of these) |
|
|
