Term
Which teeth are the largest and strongest in the mouth? |
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Definition
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Term
T/F the 1st permanent molar is the 1st permanent tooth to erupt? |
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Definition
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Term
T/F molars are succedaenous |
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Definition
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Term
T/F Molars have primary dentition counterparts |
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Definition
T; max/mand first and 2nd primary molars |
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Term
How many lobes to the maxillary molars usually form from? |
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Definition
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Term
Position of cusps on max 1st molar |
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Definition
2 buccal, 2 lingual, and a cusp of carabelli on the mesialpalatal line |
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Term
How many cusps do 3 and 14 have? |
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Definition
Usually 4; Four prominent cusps and a non functional cusp of carabelli |
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Term
How many cusps do 1,2,15,16 have? |
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Definition
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Term
30 and 19 develop from how many lobes |
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Definition
The mandibular first molars develop from five lobes |
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Term
What numbers are the mandibular first molars |
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Definition
19 permanent mandibular left first molar 30 permanent mandibular right first molar |
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Term
What numbers are the mandibular second molars |
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Definition
18 permanent mandibular left second molar 31 permanent mandibular right second molar |
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Term
What numbers are max/mand third molars |
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Definition
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Term
What numbers are the maxillary first molars |
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Definition
3 - permanent maxillary right first molar 14 - permanent maxillary left first molar |
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Term
What numbers are the maxillary second molars |
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Definition
2 permanent maxillary right second molar 15 permanent maxillary left second molar |
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Term
How many lobes do 1,2,15,16,17,18,31,32 develop from |
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Definition
Four lobes for the max/mand second and third molars |
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Term
Cusp of carbelli is present on which teeth? |
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Definition
Maxillary first molars 3 and 14 |
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Term
When do 1st molars come in? |
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Definition
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Term
When do second molars come in? |
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Definition
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Term
When do third molars come in? |
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Definition
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Term
How many roots do the maxillary molars have? |
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Definition
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Term
Maxillary molars have how many well DEVELOPED cusps? |
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Definition
4 (cusp of carabelli is nonfunctional) |
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Term
Largest tooth in maxillary arch? |
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Definition
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Term
Cusp of carbelli is mostly present where? |
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Definition
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Term
Largest cusp on 3 and 14? |
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Definition
Mesiolingual because of addition of cusp of carabelli |
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Term
Occlusal view of the 1st max molar is what shape? |
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Definition
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Term
Where does the oblique ridge of the 3 and 14 run? |
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Definition
DB to ML (ear-to-nose). Oblique ridges connect two triangular ridges at an angle across the occlusal surface |
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Term
Three major cusps of 3/14? |
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Definition
DB, MB, ML; heart shaped oblique ridge runs from db to ml |
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Term
From teeth 3-1, which cusp gets smaller? |
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Definition
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Term
Facially, what divides the MB and DB cusps? |
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Definition
Buccal developmental groove divides the two buccal cusps |
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Term
Contacts of posterior teeth are where? |
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Definition
Somewhere in the middle third |
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Term
Proximal contacts of 3 and 14? |
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Definition
Mesial= junction occlusal/middle 1/3 distal = middle 1/3 |
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Term
For 3/14, which cusps are larger: facial or lingual? |
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Definition
Lingual, remember cusp of carabelli and what it does to the ML cusp |
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Term
On the lingual, what separates the mesial and distal cusps? |
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Definition
Developmental groove that will extend onto the occlusal surface |
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Term
Which cusp is smallest on numbers 3 and 14 |
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Definition
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Term
Which surface is wider: buccal or lingual |
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Definition
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Term
Which tooth is wider on the lingual rather than facial? |
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Definition
3/14. Teeth taper toward facial |
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Term
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Definition
buccal: gingival 1/3 lingual: middle 1/3 |
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Term
What is prominent on the distal of 3/14? |
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Definition
Distal depression from cervical line to DB root(like 5/12 mesial depresion) |
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Term
Which marginal ridge is shorter on 3/14? |
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Definition
distal marginal ridge is shorter thus you can see more of the occlusal surface from the distal |
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Term
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Definition
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Term
T/F The roots of 3/14 are outside the confines of the crown when viewed B/L? |
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Definition
F; the roots are within the confines of the crown |
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Term
T/F The roots of 3/14 are outside the confines of the crown when viewed proximally? |
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Definition
True, the roots flare out past the confines of the crown slightly |
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Term
Describe the palatal root of 3/14 |
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Definition
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Term
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Definition
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Term
Why is the lingual embrasure of 3/14 smaller than the facial? |
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Definition
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Term
T/F 3/14 taper distally and buccally? |
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Definition
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Term
T/F 2 and 15 have a shorter crown than 3 and 14? |
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Definition
True, the crown is shorter |
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Term
Which buccal cusp is sharp and which is round on 3/14 |
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Definition
DB cup is sharp MB is round |
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Term
T/F the crown of 2/15 is smaller than that of 3/14 |
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Definition
True; the crown is shorter than the max 1st |
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Term
T/F 2/15 are more narrow mesio-distally |
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Definition
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Term
Typically, as you go from premolar to molars, what happens to the length of the crown |
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Definition
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Term
T/F 2/15 have cusp of carabelli |
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Definition
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Term
T/F the roots of 2/15 arent parallel |
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Definition
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Term
T/F A line drawn through the DL cusp of 2/15 will bisect the apex of the lingual root |
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Definition
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Term
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Definition
Buccal - gingival 1/3 Lingual - middle 1/3 |
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Term
In 2/15, which root is bigger: MB or DB? |
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Definition
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Term
When looking from the mesial, how many roots can you see for 2/15? |
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Definition
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Term
When looking from the distal. how many roots can you see for 2/15? |
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Definition
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Term
T/F 2/15 taper toward the distal like 3/14 |
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Definition
True; 2nd molars taper toward distal |
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Term
What direction does the oblique ridge of 2/15 run? |
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Definition
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Term
T/F the roots of 2/14 are closer together and outside the confines of the crown |
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Definition
False; the roots are closer together, but they also stay within the confines of the crown, unlike 3/15 (when viewed proximally). Also, roots are parallel |
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Term
How many developmental grooves are present on the facial of 19 and 30 |
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Definition
2: mesial buccal and distal buccal grooves |
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Term
Largest tooth in the mandibular arch? |
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Definition
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Term
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Definition
19/30 -- so many grooves and pits |
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Term
How many cusps does 19/30 have? |
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Definition
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Term
How many roots do 19/30 have? |
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Definition
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Term
How many cusps can you see when looking at 19/30 buccally? |
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Definition
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Term
How many cusps can you see when looking at 19/30 lingually? |
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Definition
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Term
Which surface is greater for 19/30: facial or lingual? |
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Definition
Facial because there are three cusps |
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Term
Proximal contacts of 19/30? |
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Definition
Mesial: junction of occlusal/middle 1/3 Distal: middle 1/3 |
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Term
Which root is curved in 19/30? |
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Definition
Mesial root curves distally |
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Term
How many roots do 19/30 have? |
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Definition
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Term
For 19/30, which proximal area if more convex: distal or mesial? |
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Definition
Distal because of the presence of a third cusp |
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Term
Lingually, which cusp is larger in 19/30: DL or ML? |
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Definition
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Term
What separates the lingual cusps in 19/30? |
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Definition
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Term
Which root is bigger for 19/30 |
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Definition
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Term
For 19/30, which marginal ridge is longer: distal or mesial? |
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Definition
Mesial because the distal cusp shortens the distal marginal ridge |
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Term
What geometric shape does the occlusal surface of 19/30 make? |
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Definition
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Term
T/F 19/30 taper toward the distal? |
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Definition
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Term
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Definition
Buccal- gingival 1/3 Lingual - middle 1/3 |
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Term
How many cusps do 18/31 have? |
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Definition
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Term
Order the cusp heights of 18/31 |
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Definition
All are roughly of equal heigh |
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Term
What is unique about the MB cusp of 18/31 |
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Definition
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Term
What pattern does the groove of 18/31 |
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Definition
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Term
Proximally, what direction does 18/31 taper towards |
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Definition
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Term
Compare the marginal ridges of 18/31 |
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Definition
Mesial marginal ridge more pronounced than distal because tooth tapers tawrd distal. |
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