Not knowing what to expect is often the biggest source of anxiety before a dental procedure. Root canal treatment actually follows a fairly predictable sequence of steps, and once you understand what each stage involves, the whole process feels far less mysterious and far less intimidating. Here is what typically happens from the moment you sit in the chair to the day your tooth is fully restored.
Before any treatment begins, your dentist examines the tooth and takes an X-ray to assess the extent of decay or infection, the shape and number of root canals, and the condition of the surrounding bone. This step is essential for planning, since root canal anatomy varies quite a bit between tooth types — front teeth usually have a single canal, while molars often have three or four. The X-ray also helps rule out complications, such as infection that has spread significantly into the bone, that might change the treatment approach.
Local anesthetic is injected around the tooth to numb the nerve endings in the gum and surrounding tissue. Your dentist will typically wait a few minutes and check that the area is fully numb before beginning any drilling. If you still feel sensation once the procedure starts, tell your dentist immediately so additional anesthetic can be given — you should never have to push through pain during treatment.
A small opening is made through the top of the tooth to reach the pulp chamber and canals below. Using fine instruments, often combined with rotary tools, the dentist removes the infected or inflamed pulp tissue and shapes the canals to prepare them for filling. Throughout this step, an antimicrobial irrigating solution is used to flush out bacteria and debris from inside the narrow canal spaces, which is a critical part of reducing the chance of reinfection later.
Once the canals are clean, dry, and properly shaped, they are filled with a biocompatible material, most commonly a rubber-like substance called gutta-percha, combined with a sealing paste to close off any remaining space. This step is what prevents bacteria from re-entering the tooth through the root canal system. A temporary or permanent filling is then placed over the access opening at the top of the tooth to seal it from the oral environment.
Because a tooth without its pulp can become more brittle over time, most root-canal-treated teeth, especially molars and premolars, are capped with a crown in a follow-up visit. The crown protects the tooth from fracturing under normal chewing forces and restores its natural appearance. This final step is what allows the tooth to function normally for years to come, so it should not be skipped even if the tooth feels fine with just the filling in place.
A straightforward root canal on a single-rooted tooth can often be completed in 45 to 90 minutes, while molars with multiple canals may take longer or require a second visit. Your dentist can give you a more specific estimate after examining the tooth and X-rays.
If the infection is extensive, the canals are unusually curved or narrow, or the dentist wants to place medication inside the tooth to calm the infection before sealing it, a second visit may be recommended. This is a normal part of achieving a thorough, long-lasting result rather than a sign of complications.
For back teeth that bear heavy chewing forces, a crown is almost always recommended because the tooth becomes more brittle after the pulp is removed. Front teeth with minimal structural loss sometimes only need a filling, but your dentist will assess this case by case.
Speak to our team about root canal treatment today.
Call 03 751 0245 WhatsApp 056 536 4536 Email Us