Prosthodontics (Crown, Bridge And Denture)

21 June 2013
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Prosthodontics (Crown, Denture )

Prosthodontics is a field of dentistry that restores tooth structure and replaces missing teeth and soft tissue, with an emphasis on restoring natural function and appearance. Our prosthodontics services include: inlays, onlays, veneers, crowns, bridges, dentures, and oral rehabilitation. We also manage parafunctional anomalies, such as bruxism (grinding of teeth), temporo-mandibular joint disorder (pain and inflammation affecting the jaw joint and associated muscles), snoring and obstructive sleep apnea.

Prosthodontics treatment involves the restoration of natural teeth or replacement of missing teeth with artificial substitutes. Maxillofacial prosthodontics, oral-facial pain and temporo-mandibular joint (TMJ) disorder management are other areas of special interest within the Unit.

  • Aesthetic dentistry (teeth whitening, veneers and ceramic restorations)
  • Full mouth rehabilitation including management of worn dentition
  • Maxillofacial prosthodontics
  • Replacement of missing teeth with fixed and/or removable prosthesis, including implant, supported prosthesis
  • Temporomandibular joint & oro-facial pain therapy
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[wptabtitle]Services[/wptabtitle] [wptabcontent]

Veneers

Dental veneers are custom-designed tooth-like thin ceramic material that, when applied over the surface of a tooth, can cover worn tooth enamel, uneven tooth alignment or spacing, chips or cracks. In addition to being esthetically pleasing, dental veneers can also serve a functional purpose by protecting the surface of a damaged tooth.The two most common materials used in the fabrication of dental veneers are composite resin and porcelain veneers. Of the two options, porcelain veneers are longer lasting and more expensive.Once veneers are bonded into place, they are relatively strong and durable. However, care must be taken because the thin porcelain shells can damage or break. Your dentist may advise you against certain uses or dietary tendencies. If you a bruxer (you grind or clench your teeth unconsciously during sleep), your dentist may recommend that you wear a protective appliance at night. After Veneers

 

Crown And Bridge

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  • When a tooth is too badly damaged, a normal filling is not good enough.
  • A crown is a covering that is made to be cemented over the whole tooth to restore the damaged area.
  • The crown acts like a cap around the tooth, sealing the tooth and protecting it from any further damage.
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The following are typical reasons for doing a crown:

  • The pre-existing decay or filling is too large, and has weakened
  • The tooth, needing a crown to protect it properly.
  • The tooth that had Root Canal Treatment done previously.
  • To improve the appearance of a tooth that is mis-shaped or discoloured.
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  • Your dentist will do a thorough examination and diagnosis to determine if a crown is needed.
  • The tooth is trimmed to make space for the crown and moulds are taken for the crown to be custom made in adental laboratory.
  • When the crown is ready, it is firmly cemented over the tooth.
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  • CEREC crowns use the latest Cad-Cam technology to scan the tooth and mill the crown on the same day. So you can get an accurately made crown within a few hours.
  • You do not need to wear a temporary crown or to return for another appointment for fitting.

During the crown fabrication procedure, your dentist prepares the tooth and makes a molded impression of the teeth to be sent to a dental laboratory. A fitted, temporary crown is created during this visit to temporarily protect the tooth while the final restoration is being made in the dental laboratory. Once completed, the crown is cemented at the next visit.

There are essentially three different types of crowns, depending on materials used, as follows:

  • Porcelain-fused-to-metal
  • Full porcelain
  • Full metal

The final material selected is determined by a few factors such as clinical need, aesthetic expectation, material durability and costs consideration.

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  • A Bridge is a special dental restoration for replacing missing teeth using crowns on the adjacent teeth.
  • The teeth at the side of the missing area are trimmed and the bridge is cemented permanently to replace the missing teeth.
  • Compared to other methods of replacing missing teeth, the bridge is significantly more comfortable than a denture andis cheaper than a dental implant.
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  • They can be made of full porcelain, full metal or a combination of porcelain and metal.
  • For the metal portion, there are also various options available depending on the amount of gold content of the alloy.
  • The price of the crown is also dependent on the material used.
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  • It is important to keep the gums around the crown or bridge healthy, so proper brushing and flossing is essential.
  • Do be careful of using the crown or bridge to bite on extremely hard items like bones or crabs otherwise there is a risk of chipping the porcelain portion.
  • Do also go for your regular check-ups every 6 months for the dentist to check the crown or bridge.

Crown and bridge (multiple units of crowns joined together) may be used to protect a cracked tooth or restore functionality of a tooth with excessive decay. Unlike conventional dentures, crowns and bridges are not removable.

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Dentures

Dentures are removable appliances with artificial teeth. They are made of plastic (acrylic) or a combination of plastic and metal (cobalt chromium). Alternatively you can also ask for flexible dentures. The innovation of the biocompatible flexible material allows the dentures to adapt to the constant movement and flexibility in your mouth.

There are basically two types of dentures:

  • Partial dentures: if you have lost some of your teeth
Partial Dentures Partial Dentures
  • Complete/Full dentures: if you have lost either all your upper or lower teeth
Flexible Dentures Full Dentures

Fabrication usually takes a few visits whereby during the first visit, the dentist makes a molded impression of the teeth to be sent to a dental laboratory. You may be asked to return to the clinic for “trying-in”. Once completed, the dentures will be issued to you. Dentures tend to accelerate bone loss which makes dentures wearing more uncomfortable in later years. It is recommended that dentures should be replaced every 3-5 years

 

[/wptabcontent] [wptabtitle]Advice For Dentures Wearers[/wptabtitle] [wptabcontent]

Advice For Dentures Wearers

Your new dentures have been made to fit your mouth accurately and have been designed for your comfort, appearance and efficiency. The success of your new dentures depends on your cooperation.

  1. Your new dentures have been made to fit your mouth accurately and have been designed for your comfort, appearance and efficiency. The success of your new dentures depends on your cooperation. Wear your dentures regularly except when you are sleeping. When you are not wearing your dentures, immerse it in a bowl of cool water or cleansing agents. NEVER leave it dry or place in hot water.
  2. The gums, tongue and palate should be brushed with a soft bristle brush every evening when the dentures are removed, and each day before you insert the dentures to stimulate the gums and remove plaque accumulation.
  3. Your dentures may seem bulky and cause gagging sensation. Your tongue may feel crowded. However these sensations will disappear as you become accustomed to them. When excess pressure is exerted by the dentures on oral soft tissues, that area may become sore. The cheeks, lips, and tongue are very sensitive areas that require time to adjust to new dentures. It is not uncommon to bite one’s cheek or tongue.
  4. Persistent soreness or irritation should be reported to your dentist and he can adjust the offending area for you. Be sure to wear the dentures for a couple of hours before the appointment.
  5. NEVER force your dentures into position or biting down on it when trying to put on your dentures. This may bend or break the clasps. Follow the instructions of your dentist.
  6. It will also take some practice learning to chew with your dentures. Begin by slowly chewing on very small pieces of soft food, using both sides of the mouth simultaneously. When eating, avoid hard or sticky foods and liquid which are too hot.
  7. The pronunciation of certain words may seem strange at first. Sometimes the muscles of your tongue, cheeks and lips will dislodge your dentures. You may have to practice keeping your dentures in place with these same muscles.
  8. Rinse your dentures and mouth after every meal. Thoroughly wash all surfaces of your dentures daily with water and commercial cleansing agents available. NEVER use a stiff brush and abrasive detergent as this can damage the plastic bases and teeth. Some people keep their dentures in an ultrasonic cleaner, but keep in mind that an ultrasonic cleaner does not replace brushing.
  9. Do not neglect your remaining natural teeth. They can be kept if you clean them thoroughly every day. Your dentist can show you the most effective method.
  10. NEVER adjust or repair your dentures yourself. You could further damage the dentures and your oral tissues. If your dentures does not fit or have been damaged, you should consult your dentist at once. Do not throw away any parts if your dentures are fractured.
  11. It is important to be reviewed by your dentist as instructed. Your dentist can refit the dentures and correct for tissues changes. Proper fit and support of the dentures is necessary not only for your comfort but to help prevent injury to the remaining natural teeth and supporting structures.
  12. With a well fitting dentures and practice, dentures adhesives may not be necessary. Dentures wearers should expect the lower dentures to fit somewhat loosely as they rest on a smaller surface of bone. They need to learn how to use the muscles of the cheeks and tongue to keep the dentures in place.
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