aesthetic consideration in operative dentistry
TRANSCRIPT
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AESTHETIC CONSIDERATION IN OPERATIVE DENTISTRY Present by
Faisal aljarallah
Abdulaziz aljaloud
In the Name of Allah
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MAIN OBJECTS
Definition of aesthetic
Aesthetic criteria
Aesthetic formula
Golden role
Shade matching
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AESTHETICS-Definition:It is the art and science of reality imitation which Refers to
natural harmony between teeth, supporting bones of jaw & soft tissues of face.
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AESTHETIC CRITERIA
Alignment
Proportions
Shape & Form
Gingiva
Lips
Face
Color
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aesthetic formula
A-Facial component
B-Periodontal component
C-Dental component
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A-FACIAL COMPONENT
proportions• Facial composition is ideally divided into 3 equal parts with ideally sized & located.
• Symmetry and balance•Static (mirror image)•Dynamic (very similar but not identical)•Balance :tooth on either side are balanced out
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MUSCULATURE (LIPS)• Lower lip design
There is a correlation between lower lip thickness & width of upper teeth length & inclination
• Upper lip design (smile line)
Determines the exposed area of anterior teeth. In addition it determines gingival exposure
Types:
• High
• Medium
• low
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B-PERIODONTAL COMPONENT
Periodontal health should be optimally established :
• Before restorative treatment
• Maintained during the procedure
• In the final restoration
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GINGIVAL TISSUE
Factors affecting gingival health:• Inflammation
• Systemic disease
• Iatrogenic factors
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C-DENTAL COMPONENTIn order to achieve optimal dental esthetics a basic
knowledge of natural tooth anatomy is fundamental
• Shape and form• Semmetry• Position• Srface texture• Color• Translucency
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• A smile is considered to be esthetically pleasing if each tooth in that smile (starting from the midline) is approximately 60% of the size of the tooth immediately mesial to it
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Golden Rule
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SHADE MATCHING
• It is the process of color replication of natural tooth
in a restoration
• 1- Shade is taken prior to tooth preparation.
• 2- Taken at the beginning of the visit and quickly .
• 3- Taken under different light sources .
• 4- Teeth should be clean and wet .
• 5- ꞌShade tabꞌ should be placed next to the tooth
to insure same background .
GENERAL GUIDELINES:
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Munsell color systemHueQuality by which we distinguish one colorfamily from another .
ChromaQuality of color by which we distinguish astrong color from a weak one .
ValueQuality by which we distinguish a light color fron a dark color .
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References• Stardevant’s art & science of operative dentistry 5th Ed.
• Shwartz’s fundamental of operative dentistry 3rd Ed.
• Rosenstiel’s contemporary of fixed prosthodontics 3rd Ed.
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Thank you ..