Question | Answer |
"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 |