incrustaciones-110603194827-phpapp01
Transcript of incrustaciones-110603194827-phpapp01
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INCRUSTACIONES
INLAYS /ONLAYS
Dra. De La Cruz
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Sistemas cerámicos
Cerámica comprende todos losmateriales inorgánicos nometálicos ,obtenidos generalmentedespus del tratamiento trmico entemperaturas ele!adas. Lascerámicas son, dentro de los
materiales restauradores estticoslos mas antiguos " contin#an siendoempleados.
$.%. &lac'
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(estauraciones con cerámica
pura Indicaciones)
(estauraciones parciales
intracoronarias *inla"s+ (estauraciones parciales
etracoronarias *onla"+
(estauraciones totales -rotesis de porcelana
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%entaas
sttica ecelente
Alta resistencia al desgaste
Compatibilidades biol0gicasecelentes
Integridad marginal adecuada
Coe1ciente de epansi0n trmicasimilar al esmalte.
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Des!entaas
Alto costo
Necesidad de laboratorio
mpleo de porcelana especi1ca ecuci0n de restauraciones
pro!isional
2aterial 3rágil 4asta la 1aci0n
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Di3erencias de las porcelanas
5eldespática 67 a 879
Cuarzo :8 a ;;9
Argila < a 79 Otros :9
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5eldespato
Son minerales naturales compuestos
de oido de potasio , aluminio "silica.
Argila) sir!e como un opaci1cadormeora la manipulaci0n de laporcelana " su3re de altaconcentraci0n.
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=istoria
:88> C4arles Landa
:?@8 &lac'
:?8 cerámicas !Btreas :?87 CAD CA2
:?8> cerámica I-S Impress
:?86 -rocera
:?88 IN C(A2
:??: cementos resinosos
:??? Impress ;
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CLASI5ICACION de acuerdo a su uso
5eldespática *tradicionales+
De baa 3usi0n *carillas, inla" ,onla"+
Cerámicas re3orzadas *aluminizadas,inla", onla", carillas, coronas+
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Cerámicas aluminizadas
(e3orzadas " utilizadas por coping enprocera, in C(A2 " pr0tesis de <
elementos.
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Clasi1caci0n dependiendo el mtodo deobtenci0n
Cerámicas 3undidas
Sistema pol!o, liuido
Cerámicas prensadas Cerámicas usinadas
Cerámicas in1ltradas
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CaracterBsticas para la
preparaci0n de INLAY -aredes % " L epulsi!as 4acia oclusal
-ared aial con!ergente 4acia oclusal
Angulos internos redondeados
tensi0n %L ;,@ a <,@ mm
-ro3undidad oclusal ;,@ mm
Separaci0n del diente !ecino @,8 mm a :,;
mm Ang. Ca!o sup. (ecto oclusal " sin bisel 6@
8E
Ang. Ca!o sup. -roimal recto >@/?@E
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-untas diamantadas
;:<@
;:<@5
<:<: <:<:5
;:<7
;:<<
;:<>
;:<75
;:<> 5
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(estauraciones cerámicas
puras Condici0n pulpar
Antagonista
Condiciones del periodonto Apo"o tcnico
-re3erencia pro3esional
costo
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Incrustaci0n
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5actores determinantes
Caries (estauraciones antiguas
Fratamiento endodontico
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5actores coad"u!antes
structuras de soporte
Calidad del esmalte
sttica 5unci0n cuspidea
=ábitos para3unsionales
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CaracterBsticas de la preparaci0n onla"
-ared % " L epulsi!as 4acia oclusal:@E
-ared aial con!ergente 4acia oclusal
Angulo ca!o super1cial proimal rectosin bisel >@?@E
-ro3undidad oclusal ;,o mm
-ro3undidad proimal :.; mm
Separaci0n del diente !ecino @,8:;mm
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Secuencia operatoria
Surcos de orientaci0n
Caa oclusal
Caa proimal Surco de orientaci0n palatino
Determinaci0n de c4an3ro!estibular*?@>+
Acabado de las ca!idades *;:<7 5;:<>+
%eri1car contactos proimales " austeoclusal despus de la cementaci0n.
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-reparaci0n para la porcelana
Acido Guor4Bdrico al :@9 >@ segs
Silano ;@9 H c4orro de aire
Ad4esi0n interna H c4orro de aire -olimerizaci0n
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Acido Guor4Bdrico 8 a :@9
:. -orcelana con!encional ;< min
;. Aluminizadas ;< min
<. mpress I *leucita+ >@ seg. mpress II *de silicato+ ;@ seg
7. In C(A2 irconio, espinel sin
acondicionamiento acido.>. -rocera acondicionamiento acido
optati!o
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Agente silano
Agente bi3uncional 3ormado de
enlaces co!alentes " puentes de4idrogeno.
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Cementaci0n ad4esi!a
-orcelana ) tratamiento con acido dealuminio H acondicionamiento acido
Guor4Bdrico H silano H sistemaad4esi!oH 3otopolimerizaci0n.
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Al diente
-ro1lais con piedra pomes
Acondicionamiento acido 3os30rico
Sistema ad4esi!o 5otopolimerizaci0n
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Diente
:. Aislamiento ad4esi!o
;. Fcnica 4#meda
<. Ad4esi!o. =ilo dental en las areas proimales
7. Sellado de las super1cie
>. (emoci0n del aislamiento6. Auste oclusal
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5in