This document describes occlusion and what is considered “normal” and what is considered an anomaly. This includes the position of the teeth with one another in the mouth and the way a dental hygienist can determine a “normal” occlusion.
Occlusion
occlusiondevelops in achildastheprimary teetherupt whenteethare properlyaligned selfcleansing cantakeplace
occlusion develops in thepermanentdentitionasprimaryteeth bycheek musculature saliva
are shed at h teethdonotoccludeproperly
whatis it calledwhentherearemicroscopicchangesinthe periodontium fh.hn function occlusaltraumamay
periodontiumcannot from
occur
occlusaltrauma
occlusaltraumacanalsolead touneventoothwearapotentialfracture
Occlusal Stress/
Trauma
Sources Clinical Findings
Individualteeththat touchbefore fullclosure tooth mobility can occur
2 or onlya fewteethin contactduringjaw movement sensitivityto pressure or percussion
missingteeth pathologic migration
Heavyforcesnotin avertical or axial direction opencontactsrelated to food impaction
whataresourcesof parafunctionalhabits neuromuscular disturbances in themuscles of mastication
clenchingtapping bitingobjects thumb
sucking leadto tms symptoms
abnormalforcesonteeth Atypical incisalor occlusal wear
Jaw Relation
refersto the position of inrelation to the the mandiblehastheabilitytomove not maxillae
Themandible maxillae tooth to tooth or bone to bonerelationship
Centric Occlusion Contact Areas
the voluntary position of thedentition thatallows Each tooth has a adjacent contacts except
maximumcontactwhenthe teethocclude the last tooth in thearch
what is centricocclusionalsoknownas what are the 2 purposes of contacts
maximum intercuspation protectsinterdental gingiva
Eachtooth is occlusion w howmanyopposingteeth
in what in a
what is the exception for the aboverule whatis it calledwhen opposingteethdon'thavecontact
mand centralincisors max 3rdmolars supererupt
Centric Relation
this is the most retruded relationship of the relation betweentheupper lowerjaws nottheteeth
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