what are five examples of developmental disturbances?
mulberry molars
enamel pearls
accessory cusps
dilaceration of roots
root fusion
the _____ permanent molars are the largest and strongest in this arch
maxillary
what is the eruption date for #3 and #14
6-7 years
what is the eruption date for #2 and #15
12-13 years
what is the eruption date for #1 and #16
17-21 years
what is the eruption date for #19 and #30
6-7 years
what is the eruption date for #18 and #31
11-12 years
what is the eruption date for #17 and #32
17-21 years
which molar has the cusp of carabelli?
maxillary 1st molar
which molar is the largest crown in permanent dentition?
maxillary 1st molar
which molars have an oblique ridge?
maxillary 1st and 2nd
which molars have 5 developmental lobes?
maxillary 1st and mandibular 1st
which molars have a rhomboid outline?
maxiallary 1st, 2nd and 3rd
which molar can have 3 or 4 cusps and what are their shapes?
maxillary 2nd molar
4 cusps-rhomboid
3 cusps-heart
in the maxillary 2nd molar when it is heart shaped what is missing?
only 3 cusps missing DL cusp
how many developmental lobes does the maxillary 2nd molar have?
4 developmental lobes
what is the smallest and most variable molar?
maxillary 3rd molar
what shape is the maxillary 3rd molar?
heart shaped
Rhomboid
how many developmental lobes does the maxillary 3rd molars have?
4 developmental lobes
which molar has 5 cusps?
mandibular 1st
the ______ _____ on the mandibular 1st molar is important in occlusion
buccal groove
the _______ ____ molar is the first permanent tooth to erupt in oral cavity
mandibular 1st
which molar has 4 cusps nearly equal in size?
mandibular 2nd
which molar has sharper lingual cusps
mandibular 2nd molar
which molar has a crenulated crown surface?
mandibular 3rd molar
which molar has ML cusp larger than DL and a mesial marginal ridge longer and more prominent than distal?
maxillary 1st molar
which molar has a MB cusp longer than and more rounded than DB also ML cusp longer than DL cusp
maxillary 2nd
which molar has a MB cusp longer than DB
maxillary 3rd molar
which molar has a distal outline more rounded than mesial and MB cusp is the largest while the Distal cusp is the smallest and has no transverse ridges?
mandibular 1st molar
which molar from the mesial view the crown tapers distal and the crown is wider B-L on mesial with 2 transverse ridges?
mandibular 2nd molar
which molar from the mesial view the crown tapers distally?
mandibular 3rd molar
which molar has a lingual root that is the largest and longest?
maxillary 1st molar
which molar has root concavities?
maxillary 1st molars
which molar has roots that are smaller and less divergent?
maxillary and mandibular 2nd
which molar often has fused roots?
maxillary and mandibular 3rd molars
which molar roots curve distally?
maxillary 3rd molars
which molar has fluting?
mandibular 1st molar
what is fluting?
developmental depression on mesial surface of mesial root
which molar has a developmental depression on mesial surface of mesial root, what is this called?
mandibular 1st molar
Fluting
which molar has the largest mesial root?
mandibular 1st molar
which molar has shallow root concavities?
mandibular 2nd molar
what are the clinical considerations for the maxillary 1st molar?
occlusion
mesial drift if lost
DB plaque due to parotid salivary duct
sinus perforation during extration
what are the clinical considerations for the maxillary 2nd molar?
DB plaque
instrumentation-hard
what are the clinical considerations for the maxillary 3rd molars?
impaction
instrumentation-hard
surgical removal
what are the clincial considerations for the mandibular 1st molars?
occlusion
caries in 6 yr olds
buccal pit
sealants
what are the clincial considerations of the mandibular 2nd molars?
rectangular crown outline
what are the clinical considerations of the mandibular 3rd molars?