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Repairing a Chipped or Broken Tooth

It can happen to anyone. You are eating away and something crunches or cracks in your mouth and its not a piece of food. You feel a sharp piece of your tooth against your cheek or tongue and know you’ve just chipped a tooth. Although the enamel that covers your teeth is the hardest, most mineralized tissue in the body, its strength has limits. Falling, receiving a blow to the face, or biting down on something hard — particularly if a tooth already has some decay — can cause a tooth to chip or break. When you notice you have chipped or broken a tooth, the best thing to do is remain calm. There are many steps you can take to repair your smile back to normal.

How to Care for a Chipped or Broken Tooth

If your tooth is broken, chipped, or fractured, see your dentist as soon as possible. Otherwise, your tooth could be damaged further or become infected, possibly causing you to end up losing the tooth.

In the meantime, try the following self-care measures:

  • If the tooth is painful, take acetaminophen or another over-the-counter pain reliever. Rinse your mouth with saltwater.
  • If the break has caused a sharp or jagged edge, cover it with a piece of wax paraffin or sugarless chewing gum to keep it from cutting your tongue or the inside of your lip or cheek.
  • If you must eat, eat soft foods and avoid biting down on the broken tooth. Be sure to cleanse the area thoroughly after eating to avoid getting food trapped in the tooth, if the break is severe.

Treatment for a broken or chipped tooth will depend on how severely it is damaged. Here are some ways your dentist may repair your broken or chipped tooth.

Dental Filling or Bonding

If you have chipped off just a small piece of tooth enamel, your dentist may repair the damage with a filling. If the repair is to a front tooth or can be seen when you smile, your dentist will likely use a procedure called bonding, which uses a tooth-colored composite resin.

Bonding is a simple procedure that typically does not require numbing the tooth. To bond a tooth, the dentist first etches its surface with a liquid or gel to roughen it and make the bonding material adhere to it. Next, the dentist applies an adhesive material to the tooth followed by a tooth-coloured resin. After shaping the bonding material to look like a natural tooth, the dentist uses ultraviolet light to harden the material.

Dental Cap or Crown

If a large piece of tooth breaks off or the tooth has a lot of decay, the dentist may grind or file away part of the remaining tooth and cover it with a crown, made to protect the tooth and improve its appearance. Permanent crowns can be made from metal, porcelain fused to metal, zirconia, or ceramic.

If the entire top of the tooth is broken off but the root is still intact, the dentist or an endodontist (a dentist who specializes in root canals) may perform root canal therapy and place a pin or a post in the canal, and then build up enough of a structure onto which a crown can be made. Later, the dentist can cement the crown over the pin or post-retained restoration.

Getting a crown usually takes two to three visits to the dentist’s office. During the first visit, your dentist may take X-rays to check the roots of the tooth and surrounding bone, as well as take impressions of your teeth for the crown to be made. If no further problems are detected, the dentist will numb the tooth and surrounding gum and then remove enough of the remaining tooth to make room for a crown. If a break or chip has left a large piece of the tooth missing, your dentist can use a filling material to build up the tooth to hold the crown. Finally, your dentist may place a temporary crown made of acrylic or thin metal.

During the second visit, typically two to three weeks later, your dentist will remove the temporary crown and check the fit of the permanent one before permanently cementing it in place.

Dental Veneers

If a front tooth is broken or chipped, a dental veneer can make it look whole and healthy again. A dental veneer is a thin shell of tooth-colored porcelain or resin composite material that covers the whole front of the tooth (much like a false nail covers a fingernail) with a thicker section to replace the broken part of the tooth.

To prepare your tooth, your dentist will remove from about 0.3 to 1.2 millimeters of enamel from its surface. Next, the dentist will make an impression of the tooth to be sent to a dental laboratory, which will make the veneer. When the veneer is ready, usually a week or two later, you’ll need to go back to the dentist to have it placed. To place the veneer, your dentist will first etch the surface of the tooth with a liquid to roughen it. The dentist then applies a special cement to the veneer and places the veneer on the prepared tooth. Once the veneer is in position, your dentist will use a special light to activate chemicals in the cement to make it harden quickly.

Root Canal Therapy

If a tooth chip or break is large enough to expose the pulp — the center of the tooth containing nerves and blood vessels — bacteria from the mouth can enter and infect the pulp. If your tooth hurts, changes color, or is sensitive to heat, the pulp is probably damaged or diseased. Pulp tissue can die and if it’s not removed, the tooth can become infected and need to be extracted. Root canal therapy involves removing the dead pulp, cleaning the root canal, and then sealing it.

Root canal therapy may be performed by general dentists or specialists called endodontists. Most root canal therapies are no more painful than having a cavity filled. In most cases, the remaining tooth must be covered with a crown to protect the now-weakened tooth.