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Molars

LLU Tooth Morphology of High Yield * Questions & Blue Book Questions

QuestionAnswer
"O-C dimension is less than M-D and F-L (FL>MD>OC) " "Maxillary Molars ; also: MAXILLARY MOLARS, Maxillary 3rd Molar, Maxillary 2nd Molar, Maxillary 1st Molar, (think ""Max=Fat...Molars Occlude"")"
"Presence of oblique ridge and distolingual groove* " Maxillary Molars
What is the Maxillary geometric crown shape? "Crowns are trapezoidal from facial, lingual, proximal views "
What is the Maxillary Molar facial HOC? Facial HOC at cervical third (like all permanent teeth)
What is the Maxillary Molar Lingual HOC? "Lingual HOC at middle third -- on all _molars & _premolars. "
Rank the root branches on the Maxillary Molars? Usually 3 root branches: L>MB>DB (largest to smallest)
"Initial calcification: at birth* " Maxillary 1st Molars
"DB cusp sharper* (sharpest of 4 cusps) " Maxillary 1st Molars
"M-D width as wide or wider lingually than facially* ( very little lingual taper) ( MDL>=MDF) " "Maxillary 1st Molars ; (similar to Man.PreM.: FL>=MD) "
Explain: Cusp of Carabelli* "Maxillary 1st Molar Lingual surface of ML cusp Varies in size: non-existent to prominent"
"Lingual root depression* " Maxillary 1st Molars
"Pronounced distal cervical crown/root concavity* " "Max 1st premolar on mesial. Max 1st molar on distal. "
"Largest F-L dimension of any tooth* " Maxillary 1st Molars
Maxillary 1st Molar - Geometric form Rhomboidal OR Heart-shape (5-sided-pentagonal)(Leans Mesialy)
"Occlusal View: F-L and M-D dimensions more nearly similar* " Maxillary 1st Molars
"M-D width as wide or wider lingually than facially* " Maxillary 1st Molars
Cusp "Trigon" "Maxillary 1st Molars . Cusps: ML > MB > DB > DL (arrow in out in) "
"Oblique Ridge - About same height as the marginal ridges* " "Maxillary 1st Molars . Has Transvers and Oblique Ridge."
"Only root: Wider M-D > F-L* " "Maxillary 1st Molars . ""M-D-Blade-like root"" "
"MB root 2nd largest. Apex in line with MB cusp tip.* DB root Smallest of three. " "Maxillary 1st Molars . So Think: Lingual > MB > DB Think: Long Molar Deep (roots) on Max 1st M. (arrow in out in - same as cusps) "
"DB root area may have pronounced cervical concavity* " Maxillary 1st Molars
"MB root tip in line with buccal groove* " Maxillary 2nd Molars
"MB root apex in line with buccal groove* " Maxillary 2nd Molars
"Maxillary 1st or 2nd? M-D and F-L dimensions more similar with _____ …narrower M-D with ______?" "Maxillary 1st and 2nd Molars: M-D and F-L dimensions more similar (square) with 1st, …narrower M-D with 2nd* "
"Maxillary 1st or 2nd? What are the MB Cusp or Buccal Groove to root alignments? " "Maxillary 1st and 2nd Molars: MB root apex in line with MB cusp tip with first, Vs. in line with buccal groove with second* "
"Only maxillary tooth that has single opposing tooth* " Maxillary 3rd Molar
"Smallest of all molars - shortest O-C dimension of any tooth* " Maxillary 3rd Molar
"Shorter root: Crown to root ratio nearly 1:1* " Maxillary 3rd Molar
"More supplemental occlusal grooves* " Maxillary 3rd Molar
Has the shortest occlusocervical crown dimension of any tooth in the mouth Maxillary 3rd Molar
The maxillary third molar has the shortest root in the mouth? "Maxillary & Mandibular 3rd Molar . Maxillary 3rd Molar has the shortest root in the mouth (according to four authors) vs. (two text books found:) Max. & Man. 3rd shared the shortest root dimension. "
Greatest morphologic variation of any teeth. "Maxillary & Mandibular 3rd Molar . "
The palatal root have a greater mesiodistal dimension than faciolingual dimension, a unique characteristic to these roots. "Maxillary 1st Molar, & Maxillary 2nd Molar"
The oblique ridge is a unique feature. "Maxillary 1st Molar, & Maxillary 2nd Molar"
The presence of a distolingual (distal oblique) groove is a unique aspect. "Maxillary 1st Molar, & Maxillary 2nd Molar"
The tricuspid (triangular) arrangement of the msiolabial, distofacial and mesiolingual cusps is unique. "Maxillary 1st Molar, & Maxillary 2nd Molar"
The mesiolingual cusp usually has two triangular ridges. "Maxillary 1st Molar, & Maxillary 2nd Molar"
The distal proximal contact is centered both faciolingually and occlusocervical, a characteristic shared with which four other teeth? "Maxillary 1st Molar, & Maxillary 2nd Molar: shared with ( Max.Lat.Incisor, Max.Canine, , Man.2nd.M. )"
Has the largest faciolingual dimension of any tooth? Maxillary 1st Molar
The mesiodistal and faciolingual dimension are more nearly equal than any other posterior teeth? Maxillary 1st Molar
"The mesiodistal dimension of the lingual half of this tooth is often slightly greater that the mesiodistal dimension of the facial half--a unique feature frequently shared with 3-cusp mandibular second premolars. Maxillary 1st Molar In other words, the this tooth does not have the usual lingual crown taper."
Has 5th cusp (Cusp of Carabelli) attached to the mesiolingual cusp, a characteristic not present on other ______? Maxillary 1st Molar; not present on other Max.Molars
When viewed facially, the two facial roots curve laterally and then toward each other in the manner that resembles the angles of a pair of pliers, a unique form shared with only the _____________. "Maxillary 1st Molar. Shared with mandibular first molar."
Has the largest mesiodistal dimension of any tooth Mandibular 1st Molars
The occlusocervical and faciolingual dimensions of the ____ are greater than any other mandibular ____ . Mandibular 1st Molars
___ have three facial cusps, as do some mandibuar _____, a unique characteristic among posterior teeth. Mandibular 1st Molars; Mandibular 3rd Molars
Has the longest root of any molar. Mandibular 1st Molars
Has the greatest mesiodistal root separation of any molar. Mandibular First Molars
The mesial root has the greatest faciolingual dimension of any root in the mouth. Mandibular First Molars
Has the shortest occlusocervical crown dimension of any mandibular tooth. Mandibular 3rd Molars
Some dispute among authors of which tooth and which arch has the shortest root? Mandibular and Maxillary 3rd Molars
_____ along with ____ have the greatest morphologic variation of any teeth. Mandibular 3rd Molars, Maxillary 3rd Molors
Often have bulbous crowns, more bulbous than other mandibular teeth when viewed proximally. Mandibular 3rd Molars
Some _____ have three facial cusps, as do ______, a unique characteristic amongst posterior teeth. "Mandibular 3rd Molars; Mandibular 1st Molars"
When viewed occlusally, the _______ has a mesiofacial prominance, a unique feature for _________ . mandibular second molar , unique for mandibular molars.
The distal proximal contact is centered both faciolingually and occlusocervical, a characteristic shared with the distal contact on which four other teeth? "Maxillary Lateral Incisor, Maxillary Canine, Maxillary 1st Molar, and Maxillary 2nd Molar"
"Two lingual cusps about same size* " "Mandibular Molars "
"Wider M-D than F-L* " "Mandibular Molars; MD > FL , MD Man.M = FL Max.M "
"Initial calcification: at birth* " "Mandibular 1st Molars; Cal En Er Rt @0 3 6 9 "
"Buccal surface - largest surface of any tooth " "Mandibular 1st Molars "
"CE line more occlusal on lingual than buccal ~ 1 mm " "Mandibular 1st Molars "
"Root length of lingual > buccal length " "Mandibular 1st Molars "
"More symmetrical than first molar* " "Mandibular 2nd Molars "
"More symmetrical and simple than first molar* " "Mandibular 2nd Molars "
Less lingual taper than first Mandibular 2nd Molar, less taper than 1st Molar
Five cusps: MB>ML>DL>DB>D (largest to smallest) and Lingual cusps are the tallest. Mandibular 1st Molars
Shortest O-C of any mandibular tooth Mandibular 3rd Molars
Largest crown in mouth Maxillary 1st Molar
Created by: Carski7 on 2012-11-09



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