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

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