A dental crown is a cover or “cap” your dentist can place over a tooth.The crown restores the tooth to its normal size, shape, strength, and improve its appearance. Cap can be made from a variety of materials, including porcelain or metal.
The crowns, when cemented into place, fully enclose. Thetotal visible portion of a tooth that lies at and above the gum line.
A crown may be required when a large cavity threatens the health of a tooth.
Crowns can be made from several materials, which are generally fabricated using indirect methods. Crowns are used to enhance the strength or appearance of teeth and to halt deterioration. While beneficial to dental health, the procedure and materials can be expensive.
Dental caps are used to treat teeth that have lost a significant part of its structure, which can happen asa result of tooth decay of the failure of a large filling. In some cases, dental crown can also be used on teeth that have been worn down to the extent of vulnerability.
PFM (Porcelain fused metal) and metal free Zirconia crown are available nowadays. For the pinnacle.
Different types of materials can be used in crowns, including:
When selecting the material for your crown, your dentist will consider factors such as:
Hall technique : This is a noninvasive treatment for decayed posterior primary teeth where caries are sealed under implement stainless steel crown. This technique requires no tooth preparation.
Temporary crown : There are some materials that can be used to build temporary crowns. Direct temporary crowns are either made using metal or plastic pre formed crowns, light-cured resins, chemically cured or resin composites. Indirect restorations are either made of heat-cured acrylic, chemically-cured acrylic or cast in metal.
Temporary crowns are easy to replace or remove therefore do not pose problems.
Crown removal : it may be essential to remove crown restorations to enable treatment of the tissue beneath,especially to enable for non-surgical endodontic treatment of a necrotic or previously treated pulp.
Onlay or 3/4 crown- This is a type of technique of dental crowns. The difference between these crowns and the crowns discussed previously is their coverage of the fundamentaltooth.