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Permanent Mandibular Premolars

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  • Course
  • RDH - Registered Dental Hygienist
  • Institution
  • RDH - Registered Dental Hygienist

This document includes an inside of the permanent mandibular pre-molars. It talks about the differences of both the first and 2nd pre-molars which includes the size the different dental anatomies like the grooves and cusps and much more.

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  • November 16, 2024
  • 4
  • 2024/2025
  • Class notes
  • Professor yousefian
  • Dental morphology
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  • RDH - Registered Dental Hygienist
  • RDH - Registered Dental Hygienist
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tiffanymcintyre03
Mandibular Premolars
mandibular premolars Do not resembleeach other what shape is the proximalview
the way max premolarsdo rhomboidal
whichmandpremolar issmallerlarger How manycusps arethere
1st smaller and larger 2 3cusps
Erupt after max premolars is the e or B cuspsmaller
crowns are linguallyinclinedontheirrootbasesproximalview acuspalwayssmaller
what is longerBL or me whereare the contactareas
Theyare equalwidthcround theyare at the samelevel
Has asingleroot roothaspossible inclination
what is theroot in crosssection arethererootconcavities
Eggshaped orelliptical Yes onthemesial


First Premolars
whendotheyerupt what 2 width
10 12 years se nmto

when is root completion theyresemblemandibularcanines butthey are
12 13years
asha
which teeth
succedaneous replaces It is on to
Primary mandibular first molar Hasa cusps


Buccal Lingual
B cusp is long sharp L narrower than B bothcusps are visible
y
onlyfunctionalcuspduringocclusion Is the lingualcusp functional
Has a developmental depressions no it's213 the height of thecrown
It usually notseen what doesthe cusptip lineupwith
whichway is the cusptip pointed B triangularridge
m to longaxis M D tossa on eachside of ridge
whichcuspslope is shorter whichis longer whatinterrupts themesialmarginalridge
m shorter D longer the mesiolingualgroove
what istheshapeof the moutline thistoothlooksmost like an anteriortooth b c the
m outlineslightlyconcavefromm contact toces lingualcusp is nonfunctioning
whatis theshapeofthe outline
slightly rounder


Mesial Distal
which way does the crown tilt has a larger uninterrupted marginalridge
toward the L b c B outlinelonger no deepdevelopmental grooves
B cusp tip centered over root

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