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107- mand molars
SCC- Fellman
47
Dentistry
Professional
11/29/2015

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Cards

Term
When do the mand 1st molars erupt?
Definition
6-7 years
Term
What is the 1st permanent molar to erupt?
Definition
mand 1st molar
Term
How many cusps does the mand 1st molar have?
Definition
5
Term
What is the 5th cusp for the 1st mand molar? is it functional?
Definition
Distal- yes
Term
Do the mand 2nd or 3rd molars have a distal cusp?
Definition
no
Term
What is the shape of the groove pattern for the mand 1st molar?
Definition
Y
Term
What two structures branch from the occlusal surface of the mand 1st molar?
Definition
buccal groove and buccal pit
Term
Which molar has the largest masticatory surface?
Definition
mand 1st molar
Term
Which root surface of the mand 1st molar is the least likely to have a concavity?
Definition
Distal root
Term
How many pulp canals does the mand 1st molar have?
Definition
3
Term
Which root of the mand 1st molar has 2 root canals?
Definition
mesial root
Term
How many developmental lobes and pulp horns does the many 1st molar have?
Definition
5 and 5
Term
How many buccal grooves does the mand 1st molar have?
Definition
2- B and DB grooves
Term
Is the mand 1st molar larger M-D or B-L?
Definition
M-D
Term
Which tooth is the widest M-D?
Definition
mand 1st molar
Term
What are the only teeth that are wider M-D?
Definition
Mandibular molars
Term
Is the L or B surface of the mand 1st molar smaller?
Definition
Lingual
Term
From the proximal view, the crown of the mand 1st molar inclines in which direction?
Definition
lingually
Term
What are 2 clinical considerations for the mand 1st molar?
Definition
buccal pits should be sealed after eruption
super-eruption
Term
When does the mand 2nd molar erupt?
Definition
11-13 years
Term
How many cusps does the mand 2nd molar have?
Definition
4
Term
How many pulp horns and pulp canals does the mand 2nd molar have?
Definition
4 horns and 3 canals
Term
Which root in the mand 2nd molar has 2 canals?
Definition
M root
Term
How many buccal grooves does the mand 2nd molar have?
Definition
1 (missing DB groove- 1st mand molar)
Term
Does the mand 2nd molar have a buccal pit?
Definition
Can have one but much shallower or even missing
Term
Presence of a buccal pit is more prominent for which tooth?
Definition
mand 1st molar
Term
What other significant groove does the mand 2nd molar have other than the buccal groove?
Definition
lingual groove
Term
All mandibular molars incline in which direction?
Definition
lingually
Term
Where is the buccal height of contour for the mand 2nd molar?
Definition
Cervical 3rd
Term
Where is the lingual height of contour for the mand 2nd molar?
Definition
middle 3rd
Term
The crown of the mand 2nd molar tapers in which direction?
Definition
distally
Term
For the mand 2nd molar, is the M or D marginal ridge wider?
Definition
Mesial wider
Term
How many cusps does the mand 2nd molar have?
Definition
4
Term
Are the cusps of the mand 2nd molar equal or uneven?
Definition
equal
Term
What shape is the groove pattern on the occlusal surface of the mand 2nd molar?
Definition
cross
Term
When does the mand 3rd molar erupt?
Definition
17-21 years
Term
What is the first succedaneous tooth to erupt?
Definition
mand central incisor
Term
What is the last succedaneous tooth to erupt?
Definition
max canine or max 2nd premolar
Term
How many cusps does the mand 3rd molar have?
Definition
4
Term
How many roots does the mand 3rd molar have?
Definition
2
Term
What is the term for excessive amounts of occlusal grooves and pits?
Definition
crenulated
Term
For the mand 3rd molars, are the lingual or facial embrasures larger?
Definition
lingual larger
Term
What are 2 clinical considerations of the mand 3rd molars?
Definition
1. impacted 3rd molar
2. mand canal enveloped by roots of mand 3rd molar
Term
Are max or mand 3rd molars more commonly impacted?
Definition
mand 3rd molars
Term
How do you confirm if the roots of the mand 3rd molar have enveloped the mandibular canal of the trigeminal nerve?
Definition
Cone Beam CT scan
Term
What is a developmental disturbance for the mand 3rd molar
Definition
dentigerous cyst
Term
Are dentigerous cysts more common for max or mand 3rd molars?
Definition
mand 3rd molars
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