artistic of tooth.(1)

8/17/2019 Artistic of Tooth.(1)

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ARTISTICELEMENTOF TOOTH

DWIKURNIAWATI


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• Kondisi gigi geligi berpengaruhterhadap kondisi psikologis

seseorang

• Remaja memperhatikan penampilan• Dental problem psikologis self

esteem ↓

• Koreksi dental problem condence,personality and social life


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Shape/form

Symmetry and proportionality

Position and alignment Surface teture

!olor

"ranslucency

ARTISTIC ELEMENTS


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• #entuk gigi menentukan penampilan$ajah

• %ntuk mendapatkan estetis yang

optimal bentuk natural teeth• #asic kno$ledge of normal tooth

anatomy fundamental to the

succes• &inor modication cosmetic

contouring

• 'llusion of shape

SHAPE/FORM


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• Reshaping enamel by roundingincisal angles, opening incisalembrasures, and reducing prominent

facial line angles can produce a morefeminine, youthful appearance(


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Kesuksesan pera$atan )• *igi yang direstorasi matched

dengan gigi disekitarnya

• &empunyai karakteristik yang samadengan gigi kontralateral


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• 'llusions of shape also play asignicant role in dental esthetics(

• "he border outline of an anterior

tooth is primarily t$o+dimensionali(e(, length and $idth-( .o$eer, thethird dimension of depth is critical increating illusions, especially those ofapparent $idth and length(


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!reating illusions of $idth( 0, 1ormal $idth( #, 0 toothcan be made to appear narro$er by positioning mesialand distal line angles closer together and by more closelyapproimating deelopmental depressions !, *reaterapparent $idth is achieed by positioning line angles and

deelopmental depressions further apart


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!reating illusions of length( 0, 1ormal length( #, 0 toothcan be made to appear shorter by emphasi2ing hori2ontalelements and by positioning the gingial height of contourfurther incisally( !, "he illusion of lengthis achieed bymoing the gingial height of contour gingially and byemphasi2ing ertical elements, such as deelopmental

depressions


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• "he oerall esthetic appearance of ahuman smile is largely goerned by thesymmetry and proportionality of the

teeth that constitute the smile(

• 0symmetric teeth or teeth that are out

of proportion to the surrounding teethdisrupt the sense of balance andharmony essential or optimal esthetics(

SYMMETRY ANDPROPORTIONALITY


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• 0ssuming the teeth are of normalalignment, dental symmetry can bemaintained if the si2e of contralateral

teeth are e3uialent(

• 0 dental caliper sould be used in

conjunction $ith any conseratieesthetic dental procedure that $illalter the mesiodistal dimension of theteeth


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• Diastema closure 0( "eeth before compositerestoration #( Symmetrical and e3ual contours are

achiee in the nal restorations

"his recommendation is particularly true forprocedures such as diastema closure orother procedures inoling augmentation ofproimal surfaces $ith composite


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"he dental midiline is straight "he smile line follo$s the coneity

of the lo$er lip

"he central incisors are symmetrical "he gingial margins of central

incisors are symmetrical

'ncisal embrasure gradually deepenfrom the central incisor to the canine

"he incisal plane is either cone,sinuous, or a combination of both

Rule of symetri for maillarytooth


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• 'n addition to being symmetric,

anterior teeth mut !e in "ro"er"ro"ortion to one another to

a#hie$e ma%imum etheti#( onelong+accepted theorem of therelatie proportionality of maillary

anterior teeth typically isible in asmile inoles the concept of thegolden proportion


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• #ased on this formula a smile, $hen ie$ed from the front, is

considered to be esthetically pleasing if each tooth in thatsmile starting from the midline- is approimately 456 of the

si2e of the tooth immediately mesial to it(

• "he rule of the golden proportion( 0, "he eact ratios of

proportionality( #, "he anterior teeth of this patient are in7golden proportion7 to one another(


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• !( 8idth+to+length ratios( Pre+operatie ie$ 8idth+to+length ratio of 9)9( D( :ollo$ing surgical cro$n lengtheningprocedure, a more esthetic $idth+to+length ratio of 5(;5eists(


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"he oerall harmony and balance of asmile depend largely on proper positionof teeth and their alignment in the arch(

&alposed or rotated teeth disrupt thearch form and may interfere $ith theapparent relatie proportions of theteeth(

>rthodontic treatment of such defectsshould al$ays be considered, especiallyif other positional or malocclusionproblems eist in the mouth(

POSITION ANDALI&NMENT


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• .o$eer, if orthodontic treatment iseither impractical or una?ordable, minorpositional defects often can be treated$ith composite augmentation or full

facial eneers indirectly made fromcomposite or porcelain( 't must beemphasi2ed that only those problems

that can be conseratiely treated$ithout signicant alteration of theocclusion or gingial contours of theteeth should be treated in this manner(


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• Position and alignment( 0, 0 minor rotation is rst treatedby reducing enamel in the area of prominence( #, "hedecient area is restored to proper contour $ithcomposite( !, &aillary lateral incisor is in slightlinguoersion( D, Restoratie augmentation of facial

surface corrects malposition


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• @oung teeth characteristically ehibitsignicant surface characteri2ation,$hereas teeth in older indiiduals tendto possess a smoother surface teturecaused by abrasional $ear(

• "he surfaces of natural teeth typically

break up light and reAect it in manydirections ("he restored areas of teethshould reAect light in a similar manner

to unrestored adjacent surfaces(

SURFACE TE'TURE


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"eeth are typically composed of amultitude of colors( 0 gradation of colorusually occurs from gingial to incisal,

$ith the gingial region being typicallydarker because of thinner enamel(

Dentists must understand the

coloration of natural teeth to accuratelyand consistently select appropriateshades of restoratie materials(

COLOR


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• .ue the intrinsic 3uality/shade of thecolor

•!hroma

the intensity of anyparticular hue

• Balue lightness or darkness of a hue

• "hree fundamental elements of color


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:aktor yang mempengaruhipersepsi sebuah $arna )

• Pengamat

C :aktor yang mempengaruhi ) usia,buta $arna, kelelahan mata, nutrisi,

emosi, obat yang dikonsumsi,perbedaan binokular

• >bjek penyebaran/pantulan

cahaya dari dinding atau bendasekitar

• Sumber cahaya natural,

incandescent, Aourescent


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"ranslucency also a?ects theesthetic 3uality of the restoration(

"he degree of translucency is related

to ho$ deeply light penetrates intothe tooth or restoration before it isreAected out$ard(

1ormally light penetrates throughthe enamel into dentin before beingreAected out$ard

TRANSLUCENCY


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• "ranslucency and ligh penetration( 0, ight normallypenetrates deeply through enamel and into dentin beforebeing reAected out$ard( #, this a?ord realistic estheticitality( ight penetration is limited by opa3uing resinmedia under eneers(


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• %se of internally placed color modiers( 0, &aillaryright central incisor ehibits bright intrinsic yello$staining as a result of calcic metamorphosis( #,!olor modiers under direct+composite eneerreduce brightness and intensity of stain and simulate ertical areas of translucency(


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9( !onseratie alterations of toothcontours and contacts0lterations of shape of natural teeth

!orrection of diastemasE( !onseratie treatments for

discolored teeth#leaching

&icroabrasion and macroabrasion

F( Beneers

Coner$ati$e Etheti#

Pro#e(ure


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• 0"ther estheticproblems that often can be corrected orimproed by reshaping the natural teeth

Coner$ati$e a)teration o*tooth #ontour an(

#onta#t


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• Reshaping natural teeth( 0,&aillary anteriorteeth $ith $orn incisal edges( #, 0reas to bereshaped are outlined( !, >utline areas giethe patient an idea of $hat the nal result $illlooklike(


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• D, Diamond instrument is used to reshapethe incisal edges(


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• 'rregular incisal edges( 0, !entral incisor haerough, fractred incisal edges( #(


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• oss of incisal embrasures from atrition(#efore 0- and after #- recontouring teethto produce a more youthful appearance andimproe resistance to fracture


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•


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• !losing incisal embrasures( 0, &aillarycanines moed to close spaces left by missinglateral incisors( &esial incisal embrasures aretoo open( #, !anines reshaped to appear like

lateral incisor


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• "he presence of diastemas bet$een theanterior teeth is an esthetic problem for somepatients(

• #efore treatment, a diagnosis of the cause is

made, including an ealuation of theocclusion(

• Diastemas should not be closed $ithout rstrecogni2ing and treating the underlying cause(

• "reating the cause may correct a diastema "raditionally diastemas hae been treated bysurgical, periodontal, orthodontic, andprosthetic procedures(

CORRECTION OFDIASTEMAS


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• "hese types of corrections can beimpractical or una?ordable and oftendo not result in permanent closure ofthe diastema(

• 'n carefully selected cases, a morepractical alternatie is use of the acidetched techni3ue and composite

augmentation of proimal surfaces(


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Diastema closure( 0,


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• *( !omposite inserted $ith composite instrument( .(&atristrip closed $ith thumb and forenger( '( !omposite

addition is cured( H( :inishing strip used to nali2e contour ofrst addition( K( 0 tight contact is attained by displacing thesecond tooth being restored in a distal direction $ith thumband forenger( (:lame shaped nishing bur used tocontour restoration(


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• &( :inishing strip used to smooth subgingial area(

1(restoration is polished $ith rubber abrasie point( >( :inalluster attained $ith polishing paste applied $ith prophycup( P( %n$aed Aoss used to detect any ecess composite(I( Diastema closed $ith symmetric and e3ual additions ofcomposite


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• &ultiple diastema occuring among maillary

anterior teeth( 0, before correction( #,0ppearance after diastemas are closed $ithcomposite augmentation


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• 0 and #, Diastema closure and cosmetic

contouring( Signicant esthetic improement isachieed by replacing defectie !lass '''restorations and closing diasemas $ithconseraties+composite additions andcosmetically reshaping the teeth


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• Space distribution( 0( &idline diastema too largefor simple closure $ith composite additions( # and!, Space distributed among four incisors $ithorthodontic treatment( D, nal result aftercomposite additions

PERTIM+AN&AN PERAWATAN


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Kesukaran restorasi gigi anterior, adalahpada estetiknya, khususnya untuk gigi '9 R0(

@ang memberi $arna gigi adalah dentin,sedangkan enamel adalah tranlucent(

"ranmisi sinar paling tinggi adalah pada 9/Fincisal dan daerah proksimal, setebal 9 mmenamel dapat transmisi sinar sebesar =56,sedangkan pada dentin dengan ketebalan

sama, sebesar F56(

Semua bahan restorasi akan megalamiperubahan $arna maupun bentuknya,kecuali porselen sedikit sekali perubahannya(

PERTIM+AN&AN PERAWATANRESTORASI ESTETIK ,

KOSMETIK


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• (Than-.ou

artistic of tooth.(1)

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