Root Canal Retreatment

A root canal removes infected pulp and seals the canals inside a tooth, but the space inside a tooth is intricate — narrow, curved, and sometimes branching in ways that are difficult to fully access even with careful treatment. Over time, a few things can allow bacteria back in:

• New decay that exposes the root canal filling to bacteria again

• A cracked, loose, or worn crown or filling that lets saliva and bacteria leak back into the tooth

• A canal that was narrow, curved, or otherwise difficult to fully clean the first time

• A new crack in the tooth root that forms after the original treatment

Whatever the cause, the result is similar: the tooth becomes reinfected, and it starts sending the same kinds of signals — soreness, swelling, or sensitivity — that brought you in the first time.

• Pain or tenderness when chewing on a previously treated tooth

• Swelling in the gum near an old root canal

• A pimple-like bump on the gum that comes and goes

• Sensitivity that lingers longer than it should

If you notice any of these around a tooth you've already had treated, it's worth having Dr. Jobst take a look before the situation becomes more urgent.

Retreatment starts the same way any dental concern does at Grand Lake Dental: a conversation and a thorough exam, including digital X-rays to see what's happening beneath the surface. If retreatment is the right path, Dr. Jobst reopens the tooth, removes the old filling material from the canals, cleans the canals thoroughly, and reseals them before placing a new crown or restoration to protect the tooth going forward. For patients who feel anxious about returning to a tooth that's already been treated once, IV sedation is available to make the appointment more comfortable from start to finish.

Not every previously treated tooth is a good candidate for a second round of root canal therapy. Depending on the extent of the problem — a fracture in the root, for example — Dr. Jobst may recommend an alternative, such as extraction followed by a dental implant or bridge. Part of a good evaluation is being honest about which option gives you the best long-term outcome, not just the option that saves the original tooth at any cost.

If a tooth you've already had treated is bothering you again, don't wait for it to get worse. Call Grand Lake Dental today to schedule an exam with Dr. Jobst and find out whether root canal retreatment can help you keep your natural tooth.