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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