Occlusal Definitions

8/10/2019 Occlusal Definitions

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ANTERIOR GUIDANCEAlso known as: -

The influence of the contacting

surfaces of teeth on mani!ular

mo"ement

ARCONAlso known as:- ARTICULATED CONDYLE

#here the con$le %art is attache to

the lower mem!er of the articulator&

NON-ARCON is where thecon$lar %art is attache to the u%%er

mem!er of the articulator&

ARTICU'ATIONAlso known as: -

A relationshi% of the u%%er ( lower

teeth which e)ists uring mani!ular

mo"ement from one occlusion to

another& It is a $namic relationshi%

( it ma$ !e !alance or un!alance&

*A'ANCED ARTICU'ATIONAlso known as: -FULLY BALANCEDOCCLUSION BALANCED DYNAMIC OCCLUSION

A multi-%oint contact relationshi% of

the o%%osing teeth in which the$

guie smoothl$ o"er each other

uring mani!ular mo"ementwithout causing islogement of the

entures&

*A'ANCED OCC'U+IONAlso known as:- BILATERALLY BALANCED

OCCLUSION

BALANCED STATIC OCCLUSION (Dentures)

A multi-%oint contact relationshi% of

o%%osing teeth in static contact&

*ENNETT ANG'EAlso known as: - PROGRESSIVE SIDE SHIFT

The angle o!taine after the non-

working sie con$le has mo"e

anteriorl$ ( meiall$, relati"e to the

sagittal %lane& The flatter the cus%

the greater the sie shift&

*ENNETT +I.TAlso known as: - BENNETT MOVEMENT

IMMEDIATE SIDE SHIFT

MANDIBULAR SIDE SHIFT

The !oil$ lateral mo"ement of the

mani!le towars the working sie

uring lateral e)cursions /a%%ro)&

0&1mm2


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*RU3I+4Also known as: - PARAFUNCTIONAL ACTIVITY

Tooth contacting ha!its, which are

not necessar$ in orer to e)ecute

the normal %h$siological oral

function& I&e& clenching (

grining&

CANINE GUIDANCEAlso known as: - CANINE PROTECTED OCCLUSION

The %art of the anterior guiance that

often occurs on lateral

e)cursion, where the mani!ular

mo"ement is ictate !$

mani!ular canine-ma)illar$

canine contacts

CENTRIC OCC'U+ION /CO2Also known as: - INTERCUSPAL POSITION (ICP)

HABITUAL OCCLUSION

INTERCUSPATION POSITION

MAXIMUM INTERCUSPATION

HABITUAL CENTRIC

AUIRED CENTRIC

BITE OF ACCOMMODATION

The %osition of the mani!le when

the ma)illar$ ( mani!ular teeth are

at their most interigitate& I&e&

4a)imum intercus%ation of the teeth

irres%ecti"e of the con$le to fossa

relationshi%& This is onl$ e"ient

when an ae5uate num!er of

occluing teeth are %resent&

CENTRIC RE'ATED OCC'U+IONAlso known as: -

#hen CO ( CRO are co-inciental&

This the ieal that we aim for in an

e5uili!rate mouth 6 simultaneous

contact of all the teeth with the

con$les in centric relation 6 see

reorgani7e occlusion

CENTRIC RE'ATION OCC'U+ION /CRO2

Also known as: - RETRUDED CONTACT POSITION(RCP)

The %osition of the mani!le

etermine !$ tooth to tooth contact

when the mani!le closes in CR&


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CENTRIC RE'ATION+I8 /CR2

Also known as: - TER4INA' INGE A3I+ TERMINAL HINGE RELATION

RETRUDED ARCH OF CLOSURE

RETRUDED AXIS POSITION (RAP)

LIGAMENTOUS POSITION

HINGE AXIS

The most retrue %osition of the

mani!le relati"e to the ma)illa

etermine !$ the T49 with the

teeth se%arate I&e& Con$le to fossa

relationshi% without tooth contact&

Con$les in the u%%er most %osition

in fossa&

CENTRIC +TO8Also known as: - CENTRIC STOP POSITION

Cus% ti% use to achie"e contact&

COND'EAlso known as: -

The roune surface at the istal

e)tremit$ of the ramus of the

mani!le, which fits into the Glenoi

fossa to form the tem%romani!ular

;oint&

COND'AR ANG'EAlso known as: - CONDYLE PATH

The angle gi"en !$ the ownwar (

forwar slo%e of the glenoi fossa&


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GROU8 .UNCTIONAlso known as: - SHARED FUNCTION Guiance of the mani!le when a

num!er of %osterior teeth are in

contact in lateral an %rotrusi"e

e)cursion&

INTER.ERENCE

Also known as: - OCCLUSAL INTERFERENCE DEFLECTIVE CONTACTS

An une"en, earl$ contact arising on

one or more teeth uring a e)cursi"e

mo"ement causing isclusion of

guiing teeth

INTERCOND'ER DI+TANCEAlso known as: -

The istance !etween the con$lar

heas at an$ %oint&

'ATERA' E3CUR+IONAlso known as: - LATRUSION

+iewa$s mo"ement of the

mani!le&

'INGUA'I?ED OCC'U+ION /'O2Also known as: - PALATALISED OCCLUSION

It is where onl$ the ma)illar$

%osterior %alatal cus%s occlue with

shallow mani!ular central fossae&

'ONG CENTRICAlso known as: - FREEDOM IN CENTRIC OCCLUSION

.reeom of the mani!le to slie

forwar at the same "ertical

imension&

4A'OCC'U+IONAlso known as: -

A e"iation from normal occlusion

of one or more teeth in the ental

arches&

4UTUA'' 8ROTECTED OCC'U+ION /48O2Also known as: -

That in centric relation there is onl$%osterior tooth contact& The

ma)illar$ %alatal cus%s (

mani!ular !uccal cus%s shoul

occlue with there o%%osing occlusal

fossae& Thus, anterior teeth %ositi"el$

isclue the %osterior teeth in all

e)centric e)cursions, %rotecting the

%osterior teeth /of im%lants2 from

harmful lateral forces&

NON-#OR@ING COND'E

Also known as: - ORBITING CONDYLE

The con$le on the non-working

sie, which unergoes a mainl$translator$ mo"ement uring

function on the working sie&

NON-#OR@ING 4O>E4ENTAlso known as: - NON-!OR"ING SIDE

NON-FUNCTIONING

BALANCING

CONTRALATERAL

ORBITING SIDE

The sie the mani!le is mo"ing

awa$ from&

NON-#OR@ING +IDE INTERENCE+Also known as: -

Is a %osterior contact on the non-working sie which interferes with

ieal anterior guiance, thus when

the mani!le mo"es in one irection,

if a tooth on the o%%osite sie


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interferes with ieal anterior

guiance, this is classe as a non-

working sie interference&

8ANTOGRA8IC READINGAlso known as: -

A reaing from a e"ice that

accuratel$ traces mani!ular

mo"ements with two main

com%onent %arts similar to two face!ows one is attache to the

ma)illar$ arch ( one to the

mani!ular arch& On !eing

transferre to a full$ a;usta!le

articulator, the resulting three-

imensional tracing of !orer

mo"ements can !e use to

%rogramme the articulator to

re%rouce mani!ular mo"ement

with a high egree of accurac$&

8AT O. C'O+UREAlso known as: - LINE OF CLOSURE

The %ath taken from rest to occlusal

%ositions& It is usuall$ trace at the

incisal eges of the lower central

incisors&

8RE4ATURE CONTACTAlso known as: - CLOSURE INTERFERENCE

FIRST POINT OF CONTACT

An une"en contact arising onl$ on

one tooth as the mani!le closes

to centric occlusion&

8RO8RIOCE8TI>EAlso known as: -

The sensor$ %erce%tion of the

occlusal loa ue to the %erioontal

ligament that attaches the teeth to the

al"eolus&

8ROTRU+I>E E3CUR+IONAlso known as: - PROTRUSION

.orwar mo"ement of the mani!le&

REORGANI+EDAlso known as: -

#hen restorations are fa!ricate to

the %atients ;aw %osition in centric

relation& Deflecti"e contacts (

occlusal interferenceBs are remo"e,

allowing the muscles of masticationto mo"e the mani!le free from

%ro%rioce%ti"e influence of these

contacts&

RE+T 8O+ITIONAlso known as: - POSTURAL REST POSITION

POSTURAL POSITION

The %osition the mani!le ao%ts

when staning or sitting u%right,

when the musculature is at rest&

Determine !$ muscle tone (

tension of surrouning tissues&

+AGITA' 8'ANEAlso known as: -

The longituinal "ertical %lane that

i"ies the mouth into two hal"es/left ( right2

TE A'ERT .EEDING 8O+ITIONAlso known as: -

The hea is tilte 10 egrees

forwar& The aim is to ha"e no


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eflecti"e contacts on the ma)illar$

anterior teeth as the mani!le closes

in its ac5uire %osition&

#OR@ING COND'EAlso known as: -

The con$le on the non-working

sie, which unergoes a mainl$

rotational mo"ement uring functionon the working sie&

#OR@ING 4O>E4ENTAlso known as: - !OR"ING SIDE

FUNCTIONING SIDE

ROTATING SIDE

The sie the mani!le is mo"ing to

uring e)cursi"e mo"ement

#OR@ING +IDE INTER.ERENCE+Also known as: -

The term working sie is still most

commonl$ use to escri!e the sie

to which the mani!le is mo"ing

uring a lateral e)cursion& A working

sie interference is a %osterior

contact on the working sie, which

interferes with the ieal anterior

guiance&

Occlusal Definitions

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