Cosmetics dentistry

Cosmetics dentistry

1. Cosmetics dentistry Supervised by dr.monera Republic of Yemen University of Aden Faculty of Dentistry Conservative Department

2. 1-Introduction 2-Aesthetic element 3-Conclusion 4-Recomindation 5-Refrence Objective:

3. Introduction: It is branch of dentistry which deal with appearance of the teeth It is pertaining to sense of beautiful Cosmetic dentistry Esthetics

4. 1- Discoloration 2- Trauma 3- Anomalies 4- Abnormal spacing Indication

5. Types of cosmetic dentistry :  A- Generally: 1- Prosthdontic 2- Periodontic 3- Orthodontic B- In operative: 1- Bleaching 2- Veneer 3- Lumineer

6. Aesthetic elements 1- Shape 2- Symmetry 3- Position and alignment 4- Surface texture 5- Color 6- Translucency

7. Shape Female teeth is different from male teeth

8. Symmetry Giving us better smile appearance

9.   Position and alignment They are necessary for good appearance face and smile

10. Surface texture - Break up the light reflection - Young teeth has various surface character - Old teeth become more smoothing and lack of surface texture

11. Color

12. Translucency It 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.

13. Repairing procedures in operative 1- Luminaire 2- Veneer

14. Thin layer (2,-4,) which made from specific porcelain Luminaire Compensation 1-Certain porcelain (reinforced feld spar) and plastic material

15. The difference between Luminere and veneer is that luminere need a little preparation without need of local anesthesia . 1 - Cleaning of teeth surfaces 2- Impression 3- Color selection  4- Send it to lab 5- Clean the teeth and applied the acid etching and bond in teeth surfaces and in lenses it self Procedure

16. 1- Mild discoloration 2- Mild enamel hypoplasia 3- Simple space Indication 1- Very expensive  2- Easy to fracture  3- Easy to discoloration Disadvantage

17.  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

18. Veneer 1- Veneer composite 2- Veneer porcelain

19. Veneer composite 1- Direct 2- Indirect

20. Direct veneer composite  Indication 1- Discoloration 2- Enamel hyperplasia  3- Strong labial erosion Advantage 1-Less time consuming  2-Less expensive 3-Easy fabricated

21. Disadvantage 1- More staining  2- Less strength  3- Alternative aesthetic Procedure 1- Preparation 2- Acid etching 3- Bonding 4- Composite selection  5- Composite applied and sealing

22. Before After

23. Indirect veneer composite  Indication 1- Enamel defect  2- Diastema Advantage 1- Adequate strength

24. Disadvantage   1- Time consuming  2- Multiple visit is needed  3- More expensive Procedure   1- Enamel preparation 2- Shade selection  3- Silicon impression 3- Fabrication of veneer in cast  4- Cement of veneer in teeth in the next visit

25. Are thin shells of porcelain (0.4-0.7 mm) designed to cover the front surface of teeth to improve appearance Veneer porcelain

26. 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

27. Indications: 1. Teeth discolored by tetracycline staining 2. Enamel defects , e.g., enamel hypoplasia ,

28. 3. Lesions caused by erosion and abrasion. 4. Diastema closure. 5. Malpositioned teeth.

29. 6. Poor restorations. 7. Wear patterns. 8. Agenesis of the lateral incisor.

30. Contraindication: 1. Poor oral hygiene. 2. Oral habits,eg . Bruxism .

31. 3. Class III malocclusion. 4. High caries rate.

32. 5. Large spaces or diastema . 6. Severe Malpositioned teeth. 7. Unsufficient enamel available for bonding.

33. 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.

34. 6- Wear and abrasion resistance is high. 7- The aesthetics are better than any other veneer material. 8- Porcelain veneer allow transmission of light.

35. Disadvantage: 1- Expensive 2- Tooth preparation 3- Highley sensitive technique 4- Sensitivity 5- It has number of limitation

36. Post treatment consideration: * Short term consideration: * Long term maintenance:

37. Short term consideration:

38. L ong term maintenance:

39. 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

40. 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

41. 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

42. Prepared by A1 THANK YOU