Cosmetics dentistry
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Transcript of Cosmetics dentistry
Cosmetics dentistry
Supervised by
dr.monera
Republic of Yemen
University of Aden Faculty of
Dentistry Conservative Department
1-Introduction 2-Aesthetic element
3-Conclusion4-Recomindation
5-Refrence
Objective:
Introduction:
It is branch of dentistry which deal with appearance of the teeth
It is pertaining to sense of beautiful
Cosmetic dentistry
Esthetics
1 -Discoloration2 -Trauma
3 -Anomalies 4 -Abnormal spacing
Indication
Types of cosmetic dentistry : A- Generally:
1- Prosthdontic2- Periodontic3- Orthodontic
B- In operative:1- Bleaching2- Veneer3- Lumineer
Aesthetic elements
1- Shape 2- Symmetry3- Position and alignment4- Surface texture5- Color6- Translucency
Shape Female teeth is different from male teeth
Symmetry
Giving us better smile appearance
Position and alignment
They are necessary for good appearance face and smile
Surface texture
- Break up the light reflection
- Young teeth has various surface character
- Old teeth become more smoothing and lack of surface texture
ColorAccording
part of teeth
incisal part is lighter
According to age
increase in dark color with age
TranslucencyIt plays an important role in aesthetic .
The light penetrate the natural enamel but doesn't penetrate the metallic restoration.
So we replace the metallic restoration by free metallic restoration to reflect the translucency of natural teeth.
Repairing procedures in operative
1 -Luminaire2 -Veneer
Thin layer (2,-4,) which made from specific porcelain
Luminaire
Compensation1-Certain porcelain (reinforced feld spar) and plastic material
The difference between Luminere and veneer is that luminere need a little preparation without need of local anesthesia.
1 - Cleaning of teeth surfaces2- Impression3- Color selection 4- Send it to lab5- Clean the teeth and applied the acid etching and bond in teeth surfaces and in lenses it self
Procedure
1 -Mild discoloration
2 -Mild enamel hypoplasia
3 -Simple space
Indication
1 -Very expensive
2 -Easy to fracture
3 -Easy to discoloration
Disadvantage
1 -Little or no preparation need so more conservative
2 -No need of local anesthesia
3 -Simplicity in related to time and method
4 -Could be removed without damaging the teeth
Advantage
Veneer
1- Veneer composite
2- Veneer porcelain
Veneer composite
1- Direct
2- Indirect
Direct veneer composite
Indication
1- Discoloration2- Enamel hyperplasia 3- Strong labial erosion
Advantage
1-Less time consuming 2-Less expensive3-Easy fabricated
Disadvantage
1 -More staining 2- Less strength 3- Alternative aesthetic
Procedure1 -Preparation
2- Acid etching3- Bonding4- Composite selection 5- Composite applied and sealing
Before
After
Indirect veneer composite
Indication
1 -Enamel defect 2- Diastema
Advantage
1- Adequate strength
Disadvantage
1 -Time consuming 2- Multiple visit is needed 3- More expensive
Procedure
1 -Enamel preparation2- Shade selection 3- Silicon impression3- Fabrication of veneer in cast 4- Cement of veneer in teeth in the next visit
Are thin shells of porcelain (0.4-0.7 mm) designed to cover the front surface of teeth to improve appearance
Veneer porcelain
Types:
-Partial veneer: *direct------------chair side composite resin
-Full veneer: *direct------------ chair side composite resin
*indirect-----------indirect composite resin, ceramics
According to the design:
According to the methods:
-Partial veneer-Full veneer
Indications:1 .Teeth discolored by tetracycline staining
2. Enamel defects , e.g., enamel hypoplasia,
3 .Lesions caused by erosion
and abrasion .
4 .Diastema closure.
5. Malpositioned teeth.
6 .Poor restorations.
7. Wear patterns.
8. Agenesis of the lateral incisor.
Contraindication:1 .Poor oral hygiene.
2 .Oral habits,eg. Bruxism.
3 .Class III malocclusion.
4 .High caries rate.
5 .Large spaces or diastema.
6 .Severe Malpositioned teeth.
7 .Unsufficient enamel available for bonding.
Advantages:1 -Very conservative.
2 -Offer better inherent color and natural look.
3 -Tissue tolerance is excellent.
4 -Less staining.
5 -The bond of etched porcelain veneer to enamel is stronger than other.
6- Wear and abrasion resistance is high.
7- The aesthetics are better than any other veneer material.
8- Porcelain veneer allow transmission of light.
Disadvantage:
1 -Expensive 2- Tooth preparation3- Highley sensitive technique 4- Sensitivity5- It has number of limitation
Post treatmentconsideration:
* Short term consideration:
* Long term maintenance:
Short term consideration:
Long term maintenance:
Recommendation
1 -Ask the patient to improve her or his oral hygiene
2 -Ask the patient to follow of post restorative instruction
3 -Ask the patient that don't forget recall to ensure that their restorative filling free from any caries
Conclusion:1 -The cosmetic dentistry focus in improvement of
aesthetic
2 -Role of each element of aesthetic in beautiful smile
3 -Free metal restoration produce natural appearance
4 -Role of cosmetic dentistry in psychological improvement so only dentist who has excellent skill should make cosmetic restoration to produce beautiful smile
5- Each case has specific type of treatment
6- The ceramic laminate veneer remains the prosthetic restoration that best compiles the principles of present-day aesthetic dentistry
7- It is the most conservative restoration, which preserves a significant proportion of the natural enamel
8- It need a good care, attention and follow up
PREPARED BY
A1