They are necessary for good appearanceface and smile
- Break up the light reflection- Young teeth has various surface character- Old teeth become more smoothingand lack of surface texture
i nc i s a lAccording part pa r t i s of teeth l i ght e r i nc r e a s e i n According to da r k age c ol or wi t h a g e
It plays an important role in aesthetic.The light penetrate the natural enamel butdoesnt penetrate the metallic restoration.So we replace the metallic restoration by freemetallic restoration to reflect thetranslucency of natural teeth.
Thin layer (2,-4,) which made fromspecific porcelain 1-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 selection4- Send it to lab5- Clean the teeth and applied the acid etchingand bond in teeth surfaces and in lenses it self
1- Mild discoloration2- Mild enamel hypoplasia3- Simple space1- Very expensive2- Easy to fracture3- Easy to discoloration
1- Little or no preparation need so moreconservative2- No need of local anesthesia3- Simplicity in related to time andmethod4- Could be removed without damagingthe teeth
I n d i c a t i o n 1- Enamel defect 2- DiastemaAd v a n t a g e 1- Adequate strength
Di s a d v a n t ag e 1- Time consuming 2- Multiple visit is needed 3- More expensivePr o c e d u r e 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
Are thin shells of porcelain (0.4-0.7 mm)designed to cover the front surface ofteeth to improve appearance
Ac c o r d i n g t ot h e dveneeri g n : -Partial e s -Full veneerA c c o r d i n g t o t h e me t h -Partial veneer: * direct------------chair side composite resin -Full veneer: * direct------------ chair side composite resin *indirect-----------indirect composite resin, ceramics
3. Class III malocclusion.4. High caries rate.
5. Large spaces ordiastema. 6. Severe Malpositioned teeth.7. Unsufficientenamel availablefor bonding.
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 toenamel is stronger than other.
6- Wear and abrasion resistance is high.7- The aesthetics are better than anyother veneer material.8- Porcelain veneer allow transmission oflight.
1- Expensive2- Tooth preparation3- Highley sensitive technique4- Sensitivity5- It has number of limitation
* Sh o r t t e r m c o n s i d* L o n g t e r m ma i n t e n
1- Ask the patient to improve her or his oralhygiene2- Ask the patient to follow of postrestorative instruction3- Ask the patient that dont forget recall toensure that their restorative filling freefrom any caries
1- The cosmetic dentistry focus inimprovement of aesthetic2- Role of each element of aesthetic inbeautiful smile3- Free metal restoration produce naturalappearance4- Role of cosmetic dentistry in psychologicalimprovement so only dentist who hasexcellent skill should make cosmeticrestoration to produce beautiful smile
5- Each case has specific type oftreatment6- The ceramic laminate veneer remainsthe prosthetic restoration that bestcompiles the principles of present-dayaesthetic dentistry7- It is the most conservative restoration,which preserves a significant proportionof the natural enamel8- It need a good care, attention andfollow up