retainers & connectors.ppt
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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
PIDC,DEPARTMENT OFPROSTHODONTICS
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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
PIDC,DEPARTMENT OFPROSTHODONTICS
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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
PIDC,DEPARTMENT OFPROSTHODONTICS
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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@
PIDC,DEPARTMENT OFPROSTHODONTICS
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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
PIDC,DEPARTMENT OFPROSTHODONTICS
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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
PIDC,DEPARTMENT OFPROSTHODONTICS
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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
PIDC,DEPARTMENT OFPROSTHODONTICS
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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;
PIDC,DEPARTMENT OFPROSTHODONTICS
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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;
PIDC,DEPARTMENT OFPROSTHODONTICS
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T@EST@ES
TENON=MORTISE CONNECTOR7DO4ETAIL
SLIT ONTIC CONNECTOR
CROSS=IN & .ING CONNECTOR
PIDC,DEPARTMENT OFPROSTHODONTICS
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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
PIDC,DEPARTMENT OFPROSTHODONTICS
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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)
PIDC,DEPARTMENT OFPROSTHODONTICS
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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
PIDC,DEPARTMENT OFPROSTHODONTICS
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