There was a time that if you had an infected tooth or a tooth with excessive decay the only choice was to pull it. Since then, root canal therapy was developed to try to save your natural teeth. Today's dentist will do all they can to save as much of your natural tooth structure as possible, because your natural teeth are important to the health of your oral structures. Saving your tooth with root canal therapy maintains the health of your jawbone and the natural structure of your mouth so you can continue to speak and chew normally.
When you lose a tooth, it leaves a big space between your healthy teeth. When there is no root in your jawbone and no tooth in that space it can lead to bone atrophy and eventual collapse. Your remaining healthy teeth will also try to fill the space, changing the natural positioning of your teeth which may lead to a collapsed bite, or malocclusion. Not only can this alter the natural appearance of your jaw and facial structure, it can lead to speaking and chewing difficulties and, eventually, more extensive treatment will be required to restore your dental health.
With modern advancements, root canal treatment is nearly as easy as getting a tooth filled. The procedure includes the following steps: