Root Canals by HC120730054453


									                   Root Canals                                                                                                             The procedure
                                                           damaged tooth is decreased, your pain can be relieved,
Root canal therapy fits under the special dentistry        and your dentist may prevent infection from spreading         Once it has been determined (with x-rays and clinical
area known as endodontics. Endodontics literally           further.                                                      examination) that root canal treatment is necessary, you
means dentistry within the tooth itself. The                                                                             will be scheduled for one or more appointment. Your
procedure treats disorders of the pulp (the soft tissue                                                                  visits may last one to two hours, and you may receive
inside the crown and roots made up of blood vessels,                           A Tooth Tour                              local anesthesia. A rubber dam (a protective sheet of
nerves, and lymph vessels that help keep your tooth                                                                      rubber that covers your mouth) may be used to isolate
nourished). Endodontic treatment restores your             If you learn how healthy teeth can become damaged, you        your tooth and prevent bacteria from entering it. The
tooth to a comfortable state by removing the               will understand why root canal therapy may be the best        goal of the root canal therapy is to improve the health of
damaged tissue and replacing it with a substance that      treatment to restore your mouth to a healthy state.           your damaged tooth by removing the pulp from your
will help pre-serve the function of the tooth.                                                                           root canals through a small opening in the crown. Then
                                                           An outer enamel layer and the dentin inside protect the       the canals are sealed with special materials to prevent
There are many reasons that a root canal may be            tooth’s underlying structures and prevent bacteria from       bacteria from reaching your bone. Your dentist the
needed but the most common cause is the curious            entering the tooth.                                           restores the outside of your tooth so it will function
process (the uncontrolled process of tooth decay).                                                                       properly and have a healthy appearance. After root
When tooth decay begins, it penetrates the outer           The pulp helps nourish the tooth via blood and lymph          canal therapy, your tooth continues to be nourished by
layer of enamel and creates a cavity. If that process is   vessels that carry nutrients and waste to and from the        your surrounding gums and bone.
not stopped, the decay will continue toward the            tooth, and gives the tooth feeling via the nerves.
nerve of the tooth. Other causes include a fracture                                                                      Cleaning and shaping your root canals
that exposes the pulp, traumatic injury such as a blow     The root canals house the pulp and extend to the              First, your dentist makes an opening in your tooth and
to a tooth, a cracked or loose filling or repeated         underlying bone.                                              removed any filling or decay. Then, the unhealthy pulp is
fillings in a tooth and occasionally from periodontal                                                                    removed with tiny, flexible files. By using delicate, up-
(gum) disease. Regardless of the initial cause, the        The bone holds the tooth with the help of tiny periodontal    and-down motions, your dentist gently cleans and
tooth pulp becomes irritated and an abscess                ligaments attached to the roots. The pulp tissue enters and   smooths your canals to prepare them for the canal-filling
(infection) can occur. Bacteria from your saliva grow      exits through openings at the root tips.                      materials.
within the tooth pulp, causing pressure and pain.
Eventually the pulp dies, causing the bone around the      Bacteria can invade your tooth through a loose filling, a     Filling your root canals
tooth to be destroyed.                                     cavity, or a crack.                                           After the pulp has been removed from your root canals
                                                                                                                         and they have been smoothed, your dentist may fill the
All dentists receive some training in endodontic           Your pulp becomes inflamed and infected as it is attacked     canals with tiny cone-shaped pieces of gutta-percha, a
therapy; however, you may be referred to an                by bacteria. Eventually, the bacteria may destroy the pulp.   firm, rubberlike material, or use another dental material.
endodontist, a specialist who limits his/her practice                                                                    A sealer-cement is used to seal the filling material into
to root canal procedures. The sooner you get               The inflammation and infected spread down the root            place.
treatment the better: your risk of losing the              canal, often causing sensitivity to hot or cold foods,
                                                           throbbing, aching or pain when you chew.                      Restoring your tooth
                                                                                                                         After the inside of your tooth has been treated the
                                                           Your bone may become infected and abscessed as the            outside will be restored to protect your tooth’s
                                                           bacteria escapes through the root openings. The bone          underlying structures and to give it a healthy
                                                           breaks down, and your periodontal ligaments may swell         appearance. If your tooth needs extra support, some of
                                                           and loosen your tooth.                                        the gutta-percha may be removed and a post inserted
                                                                                                                         before the filling and crown are applied.
        Care Following Treatment                       **Root canal therapy is a common procedure for
                                                       saving damaged or diseased teeth.
Once the root canal treatment has been completed,
you should be aware of the following considerations:
                                                       Retaining a natural tooth is more efficient in chewing
     Discolouration        –     occasionally    an
        endodontically treated tooth may undergo a     and biting and is less expensive than replacing it with
        change in colour. While this is of no great    an artificial one**
        medical convern, you may be interested in
        having the tooth bleached. Be sure to ask
        your dentist about tooth bleaching.
                                                                                                                   Root Canal
     Brittleness – a non-vital (endodontically
        treated) tooth is more brittle than a vital
        one, and is more suspectible to fracture.
        Therefore, we recommend that your root
        canal teeth be crowned (capped) following
        treatment.                                                                                               Save Your Natural Teeth

To top