The Endodontic Center of Pleasanton | What is Endodontics?
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What is Endodontics?

Above definition credited to Wikipedia.


tooth anatomy (vital tooth, structure, bone, ligament)

What is the nerve?


Our teeth are hollow and at the center of your tooth is pulp, otherwise known as the “nerve.” The pulp is a collection of blood vessels that helps to grow the surrounding tooth. It is comprised of blood vessels, lymphatic systems, innervations, and connective tissue. Without these tissues, teeth

would never form. Once your tooth is formed, however, the pulp serves no developmental function. Yes, that is true. You don’t need the nerve to keep your tooth. Its real job is to tell us when we have damage to the tooth or the pulp itself. The health of a tooth does not depend on a living pulp. It depends, instead, on a healthy and living attachment (the periodontal ligament) to the surrounding bone.


Nonsurgical Root Canals


Infection of the pulp can be caused by trauma to the tooth, deep decay, cracks, or repeated dental procedures. Symptoms of the infection can be identified as visible injury or swelling of the tooth, sensitivity to temperature and biting, or spontaneous throbbing pain radiating to other parts of the jaw and facial structures like your ear or your temple. Root canal treatment successfully replaces the damaged delicate root canal system with an inert pulpal filling material. The damaged pulp is microscopically removed and the canals are prepared with measurable precision, disinfected with multiple irrigating solutions, and then freshly sealed with an inert three-dimensional filling material.


Root Canal Retreatment


With the appropriate care, your teeth that have had endodontic treatment will last as long as other natural teeth. Yet, a tooth that has received treatment may fail to heal or continue to cause pain. This may occur from a new cavity approaching the root canal filling, a crack in the tooth, missed anatomy, anatomy that is physically impossible to mechanically cleanse, or a resistant infection. Sometimes, the pain may occur months or years after treatment. If so, endodontic retreatment may be needed. The existing root canal filling is microscopically removed and rechecked for any missing anatomy, re-disinfected with multiple irrigating solutions, possibley medicated, and then sealed with new filling material. This may be a frustrating event but it is a successful way to save your tooth from extraction.


Surgical Root Canal


Generally, a root canal or root canal retreatment is all that is needed to save teeth with an injured pulp from extraction. Occasionally, a nonsurgical procedure will not be sufficient to heal the tooth and surgery may be recommended. Endodontic surgery can be used to locate fractures or hidden canals that do not appear on X-rays or under the microscope but still manifest pain in the tooth. Damaged root surfaces or the surrounding bone may also be treated. The most common surgery used to save damaged teeth is an apicoectomy or root-end resection. The root tip and attached infected tissue is physically resected, removed, and then sealed microscopically. The procedure is similar to gum surgery or a surgical extraction.


Internal Bleaching


Internal bleaching is a technique that is used to whiten the appearance of teeth from the inside of a tooth. Internal bleaching is conducted under the direction of a dentist.The process for an internal bleaching involves the insertion of a bleaching agent inside the crown portion of the tooth. A root canal is necessary for internal bleaching. The agent is left in the tooth for up to two weeks, and then replaced with more bleaching agents until the tooth achieves the level of whiteness desired. Once the series of treatments are complete, the hole is filled, ensuring that foreign matter will not be able to invade the tooth. It is a conservative way of improving the esthetics of your front teeth without crowns or veneers.


Fact or Fiction?


There are several websites and recently, movies posing as legitimate documentaries questioning the validity of conventional root canal therapy. In our practice, we want our patients to be educated in their treatment but beware that evidence can be found for anything you believe in and persuade you in either direction. Decades of research have contradicted the focal infection theory findings. In other words, the theory blames root canal therapy as the causative effect in chronic medical conditions. In 1951, the Journal of the American Dental Association published a special edition reviewing the scientific literature and shifted the standard of practice back to endodontic treatment for teeth with non-vital pulp in instances where the tooth could be saved. The American Dental Association reviewed Dr. Weston Price’s (holistic dentistry) research techniques from the 1920s and noted that they lacked many aspects of modern scientific research, including absence of proper control groups and induction of excessive doses of bacteria.


Endodontic treatment along with an appropriate restoration, is a cost-effective way to treat teeth with a damaged pulp. Retention of one’s natural dentition may also provide support to the nearby supporting hard and soft tissues. It is usually less expensive than extraction and placement of a bridge or an implant. Placement of a bridge or an implant will require significantly more time and complexity in treatment and may result in further procedures to adjacent teeth and supporting tissues. Those healthy teeth are helping patients chew efficiently, maintain the natural appearance of their smiles and enhance their enjoyment of life. Through endodontic treatment, endodontists and dentists worldwide enable patients to keep their natural teeth for a lifetime.


For further information on the safety of Endodontic treatment from the American Association of Endodontics, please click on rootcanalsafetytalkingpoints .