RETAINERS & CONNECTORS.ppt

7/23/2019 RETAINERS & CONNECTORS.ppt

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RETAINERS & CONNECTORSRETAINERS & CONNECTORS


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LEARNING OUTCOMESLEARNING OUTCOMES

Presentation Retainers and ConnectorsPresentation Retainers and Connectors

Define retainer ,connector (C1)Define retainer ,connector (C1)

Claif! t"e t!#e of retainer &connectorClaif! t"e t!#e of retainer &connector(C$)(C$)

Dic% t"e criteria for election of retainer &Dic% t"e criteria for election of retainer &

connector &it a##lication(C)connector &it a##lication(C)


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RETAINERSRETAINERS

PIDC,DEPARTMET OFPROSTHODONTICS


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DE'INITIONDE'INITION

T"e #art of a fie ental #rot"ei t"at %nite t"e

a*%t+ent() to t"e re+ainer of t"e retoration

(GT)

RETAINER RETAINER

4PIDC,DEPARTMENT OF

PROSTHODONTICS


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RE-UIREMENTSRE-UIREMENTS

.it"tan +aticator! force

Retore anato+! of toot"

%l# conieration

Et"etic

/!0iene

PIDC,DEPARTMENT OFPROSTHODONTICS


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CLASSI'ICATIONSCLASSI'ICATIONS

RETAINERS ARE CLASSI'IED AS RETAINERS ARE CLASSI'IED AS

E2TRACORONAL RETAINERSE2TRACORONAL RETAINERS

INTRACORANAL RETAINERSINTRACORANAL RETAINERS

RADICULAR RETAINERSRADICULAR RETAINERS



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E2TRACORONAL RETAINERSE2TRACORONAL RETAINERS

Definition T"at #art of a fie ental #rot"ei%nitin0 t"e a*%t+ent to t"e ot"er ele+ent of a

#rot"ei t"at %rro%n all or #art of t"e #re#are

cro3n(GT) ARE CLASSI'IED AS

'ULL 4ENEER CRO.NSARTIAL 4ENEER CRO.NS

RESIN 5ONDED RETAINERSPIDC,DEPARTMENT OF

PROSTHODONTICS


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'ULL 4ENEER CRO.N'ULL 4ENEER CRO.N

DE'INITION A retoration t"at co6er all t"ecoronal toot" %rface (+eial, ital, facial, lin0%al,

an occl%al) (GT)

ARE CLASSI'IED AS

'ULL METAL CRO.N

METAL CERAMIC CRO.NALL CERAMIC CRO.N



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ARTIAL 4ENEER CRO.NARTIAL 4ENEER CRO.N

DE'INITION A retoration t"at retore all *%t

one coronal %rface of a toot" or ental i+#lant

a*%t+ent, %%all! not co6erin0 t"e facial

%rface(GT)

ARE CLASSI'IED AS

ANTERIOR $78t" CRO.N

OSTERIOR $78t" CRO.N

97:t"CRO.N



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RESIN 5ONDED RETAINERSRESIN 5ONDED RETAINERS

DE'INITION A fie ental #rot"ei t"at il%te to toot" tr%ct%re, #ri+aril! ena+el, 3"ic"

"a *een etc"e to #ro6ie +ec"anical retention for

t"e rein ce+ent;(GT);(To o6erco+e t"e toot"

re%ction re


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Rochette Bridge a rein=*one fie ental

#rot"ei incor#oratin0 "ole 3it"in t"e +etal

fra+e3or> an l%te to t"e lin0%al a#ect of teet"

a?acent to an eent%lo% #ace t"at re#lace one or

+ore teet"

Maryland Bridge Ue ofaci etc"in0 of t"e +etal #late

eli+inate t"e nee for

#erforation09/03/15 11PIDC,DEPARTMENT OFPROSTHODONTICS


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INTRACORONAL RETAINERSINTRACORONAL RETAINERS

.it"in t"e nor+al conto%r of t"e clinical cro3n ofa toot"

ARE CLASSI'IED AS

INLA@(MOD INLA@ MOST

COMMONL@ USED)

ONLA@



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RADICULAR RETAINERSRADICULAR RETAINERS

#ertainin0 to t"e root of a toot"

Conit of #ot7core t"at o*tain it retention an

reitance to i#lace+ent fro+ #re#are root

#ortion of an enonticall! treate toot"

T"ee can *e c%to+ +ae7#refa*ricate

De#enin0 on#ot len0t"7"a#e7ia+eter7%rface

confi0%ration

Claifie *!

ot 7 ot & core 7 in le0e 7 Co+*ination of t"e

a*o6e; PIDC,DEPARTMENT OFPROSTHODONTICS


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CONNECTORSCONNECTORS



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DE'INITIONDE'INITION

T"e #ortion of a fie ental #rot"ei t"at %nite

t"e retainer() an #ontic();(GT)

CLASSI'IED AS

RIGID CONNECTORSNON=RIGID CONNECTORS



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RIGID CONNECTORSRIGID CONNECTORS

DE'INITION A cat, olere, or f%e %nion*et3een t"e retainer() an #ontic()

T@ES

CAST CONNECTORS

SOLDERED CONNECTORS

LOO CONNECTORS



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CAST CONNECTORS=A cat +etal %nion

*et3een t"e retainer() an #ontic() in a fie

ental #rot"ei(GT).

SOLDERED CONNECTORS=In6ol6e %e of an

inter+eiate +etal allo! 3"oe +eltin0 te+#arat%re

i lo3er t"an t"at of t"e #arent +etal

LOOP CONNECTORS=Ue 3"en an eitin0

iate+a i to *e +aintaine in t"e 'D; Conit of

a loo# on t"e lin0%al a#ect of t"e #rot"ei t"at

connect a?acent retainer or #ontic;



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NON=RIGID CONNECTORSNON=RIGID CONNECTORS

DE'INITION An! connector t"at #er+it li+ite

+o6e+ent *et3een ot"er3ie ine#enent +e+*er

of a fie ental #rot"ei(GT)

T"ee connector allo3 +o6e+ent *et3een t"e

#ontic an retainer;

Nonri0i connector are inicate 3"en it i not

#oi*le to #re#are t3o a*%t+ent for an 'D 3it"a co++on #at" of #lace+ent;



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T@EST@ES

TENON=MORTISE CONNECTOR7DO4ETAIL

SLIT ONTIC CONNECTOR

CROSS=IN & .ING CONNECTOR



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TENON=MORTISE CONNECTOR7DO4ETAILTENON=MORTISE CONNECTOR7DO4ETAIL

Tenon(+ale co+#onent) i attac"e to t"e #ontic

Mortie(fe+ale co+#onent) i #re#are 3it"in t"econto%r of retainer

Incor#orate %rin0 t"e 3a #attern ta0e



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09/03/15PIDC,DEPARTMENT OF

PROSTHODONTICS


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SLIT ONTIC CONNECTORSLIT ONTIC CONNECTOR

%e 3it" #ier a*%t+ent;

Connector incor#orate 3it"in t"e #ontic

ontic #lit into +eial an ital e0+ent (eac"

attac"e to t"eir re#ecti6e retainer)



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T"e +eial e0+ent 3it" t"e >e!3a! i ce+ente firt T"e ital e0+ent i ce+ente i++eiatel! afterT"e ital e0+ent i ce+ente i++eiatel! after

09/03/15 23PIDC,DEPARTMENT OF

PROSTHODONTICS


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CROSS=IN & .ING CONNECTORCROSS=IN & .ING CONNECTOR

A 3in0 i attac"e to t"e ital

retainer (retainer 3in0 co+#onent)

ontic i attac"e to t"e +eial

retainer an ei0ne to fit t"e

3in0 (retainer #ontic co+#onent)

A #in "ole i rille an

t"e #in i eate after

ce+entin0 t"e

co+#onent; PIDC,DEPARTMENT OFPROSTHODONTICS


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Thank youThank you


RETAINERS & CONNECTORS.ppt

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