amalgama -presentación

8/18/2019 AMALGAMA -presentación

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UNIVERSIDAD NACIONAL JORGE BASADRE GROHMANN

FACULTAD DE CIENCIAS DE LA SALUD

ESCUELA ACADÉMICO PROFESIONAL DE ODONTOLOGÍA

ASIGNATURA : BIOMATERIALES

DOCENTE : C.D. EDGARDO JAVIER BERRIOS QUINA, Mgr. yDo!or"#$o %# O$o#!o&og'" R%(!")r"$or" *or &"F")&!"$ $% O$o#!o&og'" $% Ar"r"+)"r" $% &"

U#-%r($"$ E(!"$)"& P")&(!" UNESP/ $%& Br"(&

TACNA 0 PER1


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EDGARDO J. BERRIOS QUINA ESCUELA DE ODONTOLOGÍA

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HISTORIAHISTORIA


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DEFINICIONESDEFINICIONES


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DEFINICIONES DE AMALGAMA..

AMALGAMA : A&%"?# or3"$" "& )#r 3%r)roo# o!ro( 3%!"&%(

ALEACIN PARA AMALGAMA : T*o $% "&%"?#*r%*"r"$" *"r" )#r&" "& 3%r)ro. Co3%r"&3%#!%(% *r%(%#!" %# or3" $% *"(!&&"( o &3"$)r"(, +)%" () -% *)%$%# *r%(%#!"r(% %# or3" $% -r)!"(rr%g)&"r%(, %(Kr"( y %(%ro$"&%(

AMALGAMA DENTAL : E( &" o3#"?# $% &"*&"!", or%, %(!"o, y # o# 3%r)ro, *"r" )(oo$o#!o&?go


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DEFINICIONES DE AMALGAMA..


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INDICACIONESINDICACIONES


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VENTAJASVENTAJAS


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DESVENTAJASDESVENTAJAS


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FACTORES QUEFACTORES QUEINFLUEN EN ELINFLUEN EN EL

DESEMPEODESEMPEOCLÍNICO DE LACLÍNICO DE LA

AMALGAMAAMALGAMA


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SEG1N PHILLIPS 7=DIVIDENEN :

FACTORES QUE PUEDEN SER

CONTROLADOS POR EL PROFESIONAL

FACTORES QUE CONTROLA EL

FABRICANTE


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FACTORES QUE PUEDEN SER

CONTROLADOS POR ELPROFESIONAL:

a) Selección de la aleación

b) Relación Hgaleación

c) P!"cedi#ien$"% de $!i$&!ación

d) T'cnica de c"nden%ación

e)In$eg!idad #a!ginal ( ca!ac$e!%$ica%ana$ó#ica%

*) Acabad" *inal


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FACTORES QUE CONTROLA EL

FABRICANTE:

a) C"#+"%ición de la aleación

b) T!a$a#ien$" $'!#ic" de la aleaciónc)Ta#a,"- *"!#a ( #'$"d" de +!"d&cción de

la% +a!$c&la% de la aleación

d) T!a$a#ien$" de la %&+e!*cie de la% +a!$c&la%

e) F"!#a +"! la c&al la aleación e% "*!ecida


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CLASIFICACINCLASIFICACIN


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LAS ALEACIONES SE CLASIFICANSEG1N BUSATO 7


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A/ RESPECTO AL CONTENIDO DE COBRE:

1. A&%"o#%( o#-%#o#"&%( o o# "oo#!%#$o $% or%: Pr%(%#!"# $% " < $% C)

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B/ RESPECTO A LA FORMA DE LAS PARTÍCULAS

I. ALEACIN CONVENCIONAL: 7 L3"$)r"( rr%g)&"r%( #"( y 3ro*"r!)&"(/ ; E(Kr"( o %(%ro$"&%( = M%&" o o3#"?# $% &" 7 y ;

II. ALEACIONES DE FASE DISPERSA: 7 E(Kr"( &3"$)r"( rr%g)&"r%( ; E(Kr"( %(%ro$"&%(

III. ALEACIONES DE ALTO CONTENIDO DE COBRE: 7 E(Kr"( o %(%ro$"&%(


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COMPOSICINCOMPOSICIN


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I. ALEACIN CONVENCIONAL:

P&"!" Ag/..


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II. ALEACIN DE FASE DISPERSA ;Ag.S# AgC)/

CONVENCIONAL ;=/ EUTÉTICO AgC) 7=/

Ag.


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III. ALEACIN DE FASE 1NICA, CON ALTO CONTENIDODE COBRE

Ag.


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FUNCIN DE SUSFUNCIN DE SUSCOMPONENTESCOMPONENTES


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EDGARDO J. BERRIOS QUINA ESCUELA DE ODONTOLOGÍA UNJBG 0 TACNA

I. PLATA : L% $" r%((!%#" y %#$)r%3%#!or4*$o, "$%34( $% *ro*oro#"r&% %& o&or &"#o

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MECANISMO DEMECANISMO DE

REACCINREACCIN


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MECANISMO DE AMALGAMACIN

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C/ E# &"( "&%"o#%( $% "(% #":

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PROPIEDADESPROPIEDADES


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MANIPULACIN DEMANIPULACIN DE LA AMALGAMALA AMALGAMA


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