This document will provide insight on all of the dental morphology of the adult teeth. This includes incisors, canines, premolars, and molars. It helps describe the differences between these different types of adult teeth and breaks down information that could possibly be asked on the dental hygien...
Maxillary Molars
General Features Basic Functions
non succedaneous majorrolein mastication
Has aslightrole in maintainingverticaldimensionbynot allowingthe
IT This ftp.t primarydentition have sawtoclosetoofar
permes primes Helpskeepteethin properalignment
cervicalridgepresent minorrole in estheticsbykeepingcheekssupported
Howmanycuspsarethere
3ormore
Howmanyrootbranches
23
Permanent Maxillary Molars
Domaxillaryormandibularmolarseruptfirst howlongafter _Howmanyrootsdo maxmolarshave
maxeruptaftermand monthstoayearaftermand 3 triturcated
maxmolarsarelargest strongest teethofmaxarch out of the 3roots inthetoothwhichislarger longest
aretheywider BL or MD Lingualpalatalroot
widerBe coppositeformand movingtowardtheposterior therootsbecomeshorter morevariabl
4majorcusps a 2L narrowerturcalareas
Hasobliqueridgesthatare uniquetomaxmolars rootsmaybeclose to max sinuses canpenetrate wtrauma
sinus infection canfeel like toothpain
FirstMaxillary Molars
when do they erupt Howmanydevelopmentallobes cuspsarethere
6 7 years 5lobes scusps 2 B 3 L
whenis root completion whichisthenon functioningcusp
9 10years mLcusp calledcuspofcarabelli
Firstpermanentteeth in max arch evidenceoflobe
separationisfoundinthedevelopmentalgrooves
Eruptdistalto primary max andmolars Howmany pulpcanalsarethere
whichtoothis the largest strongest in max arch 3 4pulpcanals
Firstmaxillarymolar
Lingual
Buccal Cusps
Cusps ML or cuspof carabelli isvisible
Has MB DB cusps ofalmostequalheight whichcuspis the largest
whichcusp tip is sharper me cusp holds cuspof carabelli
DBcusp whichcusp is sharper
, whichcuspis wider DL
miscusp
Outline
there are a functioning cuspswhichoffsetto whichside what isthe M outline
m straight D covex sameas buccal
Outline the outlineis shorter b c of shorter DLcusp
what is theshape ofthe m outline what is theshape
straightfromcontacttoCET trapezoidal
what is theshape of the outline
Grooves
convex from CET to the occlusal the DLgroove divides 2 cusps
what is theshape may have L pit
trapezoidal what separates the non functioningcusp ofcarabelli
CEI curvature is slight irregular from the MLcusp
may have a point justocclusal to furcationarea By a grooveand only 70.1 of thetime
Grooves Roots
B groovedividescusps almostsymmetrically L root is broad a tapered
B grooveextends of thecrown endsinshallow which root is the longest of all 3 roots
depression L root
Roots Has a broaddepression for most of its length
MB DBroots curvetowardeachother the buccal root outlines are visible
How long is the root trunk
4mm beforfurcation Distal
Lrootvisible between Broots
shallow depression fromcesendingin agroove at _there is a depression fromCET to DBroot
thereis no concavity in the furcation
Mesial M ridge isless prominentthan m
How manyrootsare visible
what is the shapefrom this view All 3
trapezoidal the to surfaces areseenfromthisview
crown is centered overroot what is the shape fromthis view
whichcusps are visible trapezoidal
MB ML cuspof carabelli Howlong is the turcation
Hasmore CEscurvature than 5mm
Depression on crown from contactontoroottrunk what are the visible cusps
mesial marginal grooveusually present MB ML DB DL
what are the distinguishing features of MB root
Broad flat w a depressionmostof its length
L root is smooth tapered
Howmanyroots can beseen
2 roots
what is the distance fromCETto furcation
siiIefIgeration is movetoward
hn L
transverse groo
ridge
marginal g roove
Occlusal
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