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Root Canal

Root Canal Treatment (Endodontic Therapy) – Restorative Dentistry – Houston, TX

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The Woodlands and Houston, TX Cosmetic Dentist, Dr. Guy Lewis performs a root canal when the inside of a tooth has become inflamed or infected with dental decay. This infection can occur as a result of bacteria from food entering inside the cracks of a damaged tooth—where brushing is impossible. Common causes of a cracked tooth include poor dental care that compromises tooth structure, chewing or biting hard foods, or extensive dental procedures that involve cutting or reshaping teeth.

Treating a root involves surgically removing the infected or swollen dental pulp tissue as well as cleansing the tooth area of bacteria. After sterilization, the canal is sealed with a non-soluble filling material, usually a rubber substance called "gutta percha." The sealant used in the procedure is biologically compatible with tooth composition, and if properly administered, a root canal procedure will keep bacteria from causing painful, throbbing dental abscess. Thanks to modern technology and procedures, dreading a root canal at the dentist can be a thing of the past. Our board-certified cosmetic dentists are trained in the latest technologies and materials to help minimize the pain associated with this dental procedure. If you need a root canal, contact us to find out how we can make your visit as pleasant as possible.


Should your dentist suspect that you are a candidate for a root canal, the diagnosis will be confirmed with an X-ray, which will show where the decay is located. If it is affecting the tooth pulp, a root canal is necessary. Root canal therapy is an invasive oral surgery that will require you to be given a local anesthetic. During the root canal procedure, the infected area of the tooth (decayed dental pulp) is removed and the treatment area is disinfected and cleaned. Using gutta-percha, a rubber-like resin material, the tooth is filled to add strength and protection. During this procedure, a dental crown may be added over the tooth to protect the treatment area. This procedure typically takes 1 – 2 hours and will restore your healthy, beautiful smile.

Root Canal FAQs

Benefits of a Root Canal?

Patients who receive a root canal will save their tooth from further decay as well as maintain their beautiful smile. The major benefit of a root canal is the ability to treat the tooth without needing an extraction or dental implant. Root canals are able to treat the interior depths of the tooth without causing further harm or damage. 

Does It Hurt?

Contrary to popular belief, root canals only cause minor discomfort and most patients have the same amount of pain as a standard cavity filling. Root canals alleviate the pain caused by the infected pulp and restore the patient’s healthy smile. 

Do I Need It?

Patients who have excessive tooth pain may consult with their dentist to see if they are a candidate for root canal therapy. After an examination and X-ray of the teeth, your dentist will be able to discuss treatment options with you.

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Service Time  
1 - 2 Hours
Procedure Recovery Location  
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Get to the Root of Your Pain

Through root canal therapy, we can help patients eliminate pain and discomfort, while maintaining their natural teeth and radiant smile. For patients considering a root canal, schedule an appointment at our Houston or The Woodlands, TX office for a consultation.

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*Individual results are not guaranteed and may vary from person to person. Images may contain models.