Crowns And Bridges


Fig.1
Tooth to be Crowned
What is a crown?
A crown is commonly called a cap. It may be thought of as "cover" as it covers, or replaces, that part of the tooth seen in the mouth.


Why do a Crown?
A crown can be done for many reasons. Most often, it is done when a tooth is
• badly decayed or chipped
• badly decayed or chipped



Fig.2
Trimmed Tooth
How is a Crown done?
To put it simply, the tooth is trimmed to make space for the final crown. Moulds are then taken of this tooth for a custom-made crown to be made in the laboratory according to your dentist's instructions. When the crown is ready, it is slipped over the tooth and firmly cemented in place.




Fig.3
Crown
What is a crown made of?
It can be made of porcelain or metal or combinations of gold alloys and porcelain. Special types of glass and plastics can also be used. Your dentist will choose the material best suited for your case.


How do I care for my crown?
Careful daily brushing and flossing are essential to keep the gums around the crown healthy.
Also don't crack ice, bones etc. as this may chip the porcelain. Regular check-ups by your dentist are also necessary. Remember, crowns and bridges are only as good as they are maintained.



Fig.4
Crown Cemented in Place
Why are Crowns & Bridges Expensive?
Crowns & bridges are long-term restorations. Making them requires the considerable skill and time of your dentist and a technician working in a specially equipped laboratory. The crown itself is often made of precious metals. When you pay for your crown, you're paying for all these.




Fig. 5

Fig.6

What is a Bridge?

A bridge is special kind of denture where the artificial tooth is fixed to natural teeth next to it (often by means of crowns) See figs 5 & 6. A bridge is compact and feels like natural teeth but it can only be done in specially selected cases.