Term
What are two features exclusive to molars? |
|
Definition
buccal pits oblique ridges |
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Term
What molar is most associated with buccal pits? |
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Definition
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Term
What molar is most associated with oblique ridges? |
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Definition
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Term
what structures form the oblique ridge? |
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Definition
distobuccal (DB) triangular ridge and mesiolingual (ML) triangular ridge |
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Term
Are the molars succedaneous or non-succedaneous |
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Definition
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Term
What makes the molars ideal for grinding food? (2) |
|
Definition
wide occlusal surface prominent cusps |
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Term
T/F- molars are the largest and strongest crowns in the permanent dentition? |
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Definition
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Term
how many roots are found in molars? |
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Definition
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|
Term
what is the purpose of multiple roots for the molars? |
|
Definition
increased periodontal support |
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Term
What root structures make instrumentation difficult? (2) |
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Definition
furcations root concavities |
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Term
What percentage of patients who do not have their 3rd molars removed during adolescence develop complications by 45 years old? |
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Definition
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Term
What are some complications of keeping 3rd molars? (4) |
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Definition
infections caries cysts perio |
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Term
What are 5 developmental disturbances for the molars? |
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Definition
1. mulberry molars 2. Enamel pearl 3. Tubercles 4. Dilaceration of roots 5. Root fusion |
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Term
What are mulberry molars and what is it caused by? |
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Definition
-abnormal shaped crown (berry like nodules) -caused by congenital syphilis |
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Term
Where on the tooth are enamel pearls most commonly found? |
|
Definition
buccal surfaces apical to the CEJ |
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|
Term
What teeth are enamel pearls most commonly found on? |
|
Definition
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|
Term
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Definition
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|
Term
What is a clinical consideration of root dilacerations? |
|
Definition
extraction and removal difficult |
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Term
Which molar has the highest prevalence of root fusion? |
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Definition
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|
Term
What is a clinical consideration of root fusion? |
|
Definition
creates developmental grooves on root that are difficult to clean |
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Term
Which of the maxillary molar roots is the largest and longest? |
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Definition
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|
Term
How many roots do the maxillary molars have? |
|
Definition
3
2 buccal and 1 lingual (palatal) |
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Term
Are the maxillary molars wider B/L or M/D? |
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Definition
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|
Term
Are the mandibular molars wider B/L or M/D? |
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Definition
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|
Term
What are two clinical considerations for the maxillary molars? |
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Definition
1. sinusitis mistakenly diagnosed for pulpitis 2. Lingual pits susceptible to decay (place sealants) |
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|
Term
What is a developmental disturbance for the maxillary molars? |
|
Definition
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|
Term
|
Definition
union of root structure of 2 or more teeth through the cementum only |
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|
Term
When do the max 1st molars erupt? |
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Definition
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|
Term
How many roots do the max 1st molars have? |
|
Definition
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|
Term
How long does it take roots to mature after eruption? |
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Definition
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|
Term
Which tooth has the largest crown in the permanent dentition? |
|
Definition
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|
Term
What is the largest tooth in the maxillary arch? |
|
Definition
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|
Term
How many major and minor cusps does the max 1st molar have? |
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Definition
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|
Term
What is another term for the minor cusp on the max 1st molar? |
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Definition
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Term
Where is the cusp of carabelli found? |
|
Definition
ML cusp of the max 1st molar |
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|
Term
Is the cusp of carabelli functional or non-functional? |
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Definition
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|
Term
Which molar is the most likely to have 4 pulp canals? |
|
Definition
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|
Term
Where is the 4th canal of the max 1st molar usually found? |
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Definition
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|
Term
How long is the lingual/palatal root of the max 1st molar? |
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Definition
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|
Term
How many furcations does the max 1st molar have? |
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Definition
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|
Term
How many mm from the CEJ is the buccal furcation for the max 1st molar? |
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Definition
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|
Term
How many mm from the CEJ is the mesial furcation for the max 1st molar? |
|
Definition
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|
Term
How many mm from the CEJ is the distal furcation of the max 1st molar? |
|
Definition
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|
Term
How many buccal cusps does the max 1st molar have? |
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Definition
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|
Term
What structures is found between the buccal cusps of the max 1st molar? |
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Definition
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|
Term
What is the smallest cusp on the max 1st molar? |
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Definition
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|
Term
Is the CEJ curvature greater on the M or D of the max 1st molar? |
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Definition
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|
Term
Is the M or D marginal ridge longer for the max 1st molar? |
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Definition
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|
Term
Is the ML or DL cusp outline of the max 1st molar sharper and longer? |
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Definition
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|
Term
What are 3 clinical considerations for the max 1st molars? |
|
Definition
1. important for development of occlusion 2. lost from perio (past-caries) 3. increased supragingival deposites |
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Term
The max 1st molars are important in occlusion because they set the bit in which direction? |
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Definition
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Term
What are some examples of preventative dentistry that has shifted the cause for lost molars from caries to perio? |
|
Definition
fluoride, sealants, re-care appointments, OHI |
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|
Term
Why do max 1st molars have increased supragingival calculus deposits? |
|
Definition
opposite the parotid salivary gland on cheek |
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Term
What are two features exclusive to molars? |
|
Definition
buccal pits oblique ridges |
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Term
Oblique ridges on the molars are found between which two occlusal structures? |
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Definition
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|
Term
What are 3 features NOT exclusive to molars? |
|
Definition
lingual pit (lateral incisors) transverse ridge (bicuspids) marginal ridge (all teeth) |
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|
Term
Are max molars wider BL or MD? |
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Definition
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|
Term
Are mand molars wider BL or MD? |
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Definition
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|
Term
Are max and mand premolars wider BL or MD? |
|
Definition
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|
Term
What are the only posterior teeth that are wider MD? |
|
Definition
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|
Term
which tooth is the widest MD of all teeth? |
|
Definition
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|
Term
What is the largest tooth in the max arch? |
|
Definition
|
|
Term
How many roots do the max 1st molars have? |
|
Definition
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|
Term
How many major cusps does the max 1st molar have? |
|
Definition
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|
Term
Are the major cusps of the max 1st molar equal or different in height? |
|
Definition
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|
Term
How many total cusps does the max 1st molar have? |
|
Definition
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|
Term
What is the name for the minor cusp of the max 1st molar? |
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Definition
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|
Term
What are the names of the 4 major cusps of the max 1st molar? |
|
Definition
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|
Term
The cusp of carabelli is found on which major cusp of the max 1st molar? |
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Definition
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|
Term
Is the cusp of carabelli a functional or non-functional cusp? |
|
Definition
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|
Term
Can the cusp of carabelli be found on any other tooth in the permanent dentition? |
|
Definition
can be on ML cusp of all max molars (but most commonly found on 1st molar) |
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|
Term
Can the cusp of carabelli be found on primary teeth? |
|
Definition
yes. Usually max 1st molar |
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|
Term
When do the max 2nd molars erupt? |
|
Definition
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|
Term
Is the max 2nd molar succedaneous? |
|
Definition
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|
Term
How many cusps does the max 2nd molar have? |
|
Definition
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|
Term
Who many pulp canals does the max 2nd molar usually have? |
|
Definition
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|
Term
Which root on the max 2nd molar usually has 2 pulp canals? |
|
Definition
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|
Term
How many pulp horns does the max 2nd molar have?> |
|
Definition
4 or 3 (depending on the number of cusps) |
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|
Term
Is the buccal groove of the max 2nd molar located more M or D compared to the 1st molar? |
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Definition
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|
Term
What two buccal features of the max 2nd molar are important for sealants? |
|
Definition
buccal groove and buccal pit |
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|
Term
Is the buccal pit more significant for the max or mand molars? |
|
Definition
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|
Term
Do max or mand molars have a lingual pit? |
|
Definition
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|
Term
The max 2nd molar has a lingual groove that ends in which structure? |
|
Definition
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|
Term
How do you tell the L from R max 2nd molar? |
|
Definition
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|
Term
Is the ML or DL cusp smaller for the max 2nd molar? |
|
Definition
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|
Term
How many cusp variations are there for the max 2nd molar? |
|
Definition
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|
Term
For the 3 cusp form on the max 2nd molar, which cusp is missing? |
|
Definition
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|
Term
Is the 4 cusp or 3 cusp form more common for the max 2nd molar? |
|
Definition
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|
Term
When do the max 3rd molars erupt? |
|
Definition
|
|
Term
Who many cusps does the max 3rd molar have? |
|
Definition
|
|
Term
Is it more common for the max 3rd molar to have 3 or 4 cusps? |
|
Definition
|
|
Term
Which molar is least likely to have 4 cusps? |
|
Definition
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|
Term
Which molar often has 3 cusps? |
|
Definition
|
|
Term
Which of the max molars is most likely to have fused roots? |
|
Definition
|
|
Term
How many pulp horns and pulp canals does the max 3rd molar have? |
|
Definition
|
|
Term
How many pulp canals does the max 3rd molar have if the roots are fused? |
|
Definition
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|
Term
Which tooth has the greatest variation in occlusal anatomy? |
|
Definition
|
|
Term
Which tooth has the second greatest variation in occlusal anatomy? |
|
Definition
mand 2nd premolar (U and H form) |
|
|
Term
Which tooth has the greatest variation in SHAPE? |
|
Definition
|
|
Term
Which of the max molars is the smallest? |
|
Definition
|
|
Term
What are the two possible occlusal view shapes for the max 3rd molar? |
|
Definition
heart shape rhomboid shape |
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|
Term
Which shape is most common for the max 3rd molar? |
|
Definition
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|
Term
How many cusps does the heart shape max 3rd molar have? |
|
Definition
|
|
Term
what cusp is missing for the heart shape form of the max 3rd molar? |
|
Definition
|
|
Term
what is a clinical consideration for the max 3rd molar? |
|
Definition
impaction and growth into sinus |
|
|
Term
What are 2 developmental disturbances for the max 3rd molar? |
|
Definition
peg molar dentigerous cyst |
|
|
Term
How are dentigerous cysts identified? |
|
Definition
|
|
Term
When do the band first molars erupt? |
|
Definition
|
|
Term
What is usually the first permanent molar to erupt? |
|
Definition
|
|
Term
How many cusps does the mand 1st molar have? |
|
Definition
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|
Term
What is the 5th cusp called for the mand 1st molar? |
|
Definition
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|
Term
Is the distal cusp of the mand 1st molar functional or non-functional? |
|
Definition
|
|
Term
What is the depressed area beneath a furcation area called? |
|
Definition
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|
Term
Is the distal cusp found on the mandibular 2nd or 3rd molar? |
|
Definition
|
|
Term
What is the only molar with a 5th distal cusp? |
|
Definition
|
|
Term
what are the 3 buccal cusps of the mand 1st molar? |
|
Definition
|
|
Term
what are the 2 lingual cusps of the mand 1st molar? |
|
Definition
|
|
Term
Is the distal pit of the mand 1st molar on the buccal or lingual side |
|
Definition
|
|
Term
Does the mand 1st molar have a buccal or lingual groove and pit? |
|
Definition
|
|
Term
which tooth is known for the Y shape groove pattern on the occlusal surface that ends in a buccal pit? |
|
Definition
|
|
Term
How many roots does the mand 1st molar have? |
|
Definition
|
|
Term
Which root surface on the mand 1st molar is the least likely to have a root concavity? |
|
Definition
Distal root furcal surface |
|
|
Term
The distal root furcal surface of which molar is least likely to have a root concavity? |
|
Definition
|
|
Term
Is the D or M root of the mand first molar usually longer and wider? |
|
Definition
|
|
Term
How many pulp canals does the mand 1st molar usually have? |
|
Definition
|
|
Term
for the mand 1st molar, which root usually houses 2 pulp canals? |
|
Definition
|
|
Term
Which two pulp canals does the Mesial root of the mand 1st molar house? |
|
Definition
|
|
Term
How many pulp horns does the mand 1st molar have? |
|
Definition
|
|
Term
How many developmental lobes does the mand 1st molar have? |
|
Definition
|
|
Term
How many grooves does the buccal surface of the mand 1st molar have? |
|
Definition
|
|
Term
How many grooves do the buccal surfaces of the 2nd and 3rd mand molar have? |
|
Definition
|
|
Term
Is the mand 1st molar larger MD or BL? |
|
Definition
|
|
Term
Which tooth is the widest MD of all teeth in the perm dentition? |
|
Definition
|
|
Term
Is the lingual or buccal surface of the mand 1st molar smaller? |
|
Definition
|
|
Term
does the crown of the mand 1st molar incline lingually or bucally? |
|
Definition
|
|
Term
What are two clinical considerations for the mand 1st molar? |
|
Definition
buccal pits should be sealed super-eruption |
|
|
Term
When do the mand 2nd molars erupt? |
|
Definition
|
|
Term
How many cusps does the mand 2nd molar have? |
|
Definition
|
|
Term
Are the cusps of the mand 2nd molar equal height or varying heights? |
|
Definition
|
|
Term
How many pulp horns and canals does the mand 2nd molar have? |
|
Definition
|
|
Term
Which root for the mand 2nd molar has 2 canals? |
|
Definition
|
|
Term
Is the buccal groove and pit of the 2nd mand molar more or less pronounced than the mand 1st molar? |
|
Definition
less pronounced (shallow) |
|
|
Term
Does the mand 2nd molar have a lingual groove? |
|
Definition
|
|
Term
Do all mandibular molars incline lingually? |
|
Definition
|
|
Term
Where is the buccal height of contour for the mand 2nd molar? |
|
Definition
|
|
Term
where is the lingual heigh of contour for the mand 2nd molar? |
|
Definition
|
|
Term
Is the M or D marginal ridge of the mand 2nd molar wider? |
|
Definition
|
|
Term
Does the crown of the mand 2nd molar taper M or D? |
|
Definition
|
|
Term
Are the cusps of the mand 2nd molar equal or uneven in height? |
|
Definition
|
|
Term
what is the shape of the groove pattern on the occlusal surface of the mand 2nd molar? |
|
Definition
|
|
Term
When does the mand 3rd molar erupt? |
|
Definition
|
|
Term
What is the 1st succedaneous tooth to erupt? |
|
Definition
Mandibular 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
|
|
Term
How many roots does the mand 3rd molar have? |
|
Definition
|
|
Term
How many pulp horns and pulp canals does the mand 3rd molar have? |
|
Definition
|
|
Term
What is the most common form for the mand 3rd molar? |
|
Definition
|
|
Term
What root for the mand 3rd molar has 2 root canals? |
|
Definition
|
|
Term
What is the term for excessive amount of occlusal grooves and pits? |
|
Definition
|
|
Term
Are the lingual or facial embrasures usually larger for the mand 3rd molars? |
|
Definition
lingual embrasures larger |
|
|
Term
What are 2 clinical considerations for mandibular 3rd molars? |
|
Definition
Impaction Cone Beam CT scan |
|
|
Term
Are the mand or max 3rd molars more commonly impacted? |
|
Definition
mandibular 3rd molars more common |
|
|
Term
What is significant about a cone beam CT scan for the mand 3rd molar? |
|
Definition
mandibular canal of the trigeminal nerve completely enveloped by the roots of the mand 3rd molar |
|
|
Term
What is a developmental disturbance for the mandibular 3rd molars? |
|
Definition
|
|
Term
Is a dentigerous cyst more common for the max or mand 3rd molars? |
|
Definition
|
|