Root canal vs dental implant: how to choose the right option

When a tooth is badly decayed or infected, there are usually two ways forward: save it with a root canal, or remove it and replace it with a dental implant. Both are proven treatments, but they solve the problem differently. This guide compares them on cost, time and durability so patients can have a clearer conversation with their dentist.

The simple difference

A root canal saves the natural tooth. The dentist removes the infected pulp from inside, cleans and seals the canals, and protects the tooth with a crown. An implant does the opposite. The damaged tooth is removed, and a titanium post is placed in the jawbone to hold an artificial tooth. So one option keeps the existing tooth, and the other replaces it.

Quick comparison

Factor	Root canal	Dental implant
Keeps natural tooth	Yes	No, it is replaced
Treatment time	One or two visits	Several months, including healing
Cost	Lower	Higher
Procedure	Less invasive	Minor surgery
Longevity	Many years with a crown	Can last decades

When a root canal is usually better

If enough healthy tooth structure remains, saving the tooth is almost always the first option. It is quicker, costs less, and keeps the natural tooth, which protects the bite and the surrounding bone. Most infected or deeply decayed teeth can be saved this way. Dentists generally agree that a healthy natural tooth is better than any artificial replacement, so a root canal is often the sensible first step. Patients researching the procedure can read a detailed explanation of root canal treatment in Kolkata, including the steps and typical cost.

When a dental implant makes more sense

An implant becomes the better choice when a tooth cannot be saved. That includes a tooth cracked below the gum line, one with very little structure left, or a failed root canal that cannot be redone. In these cases, removing the tooth and placing an implant provides a strong, natural-looking replacement that restores full chewing function.

What about the cost?

Cost is often the deciding factor. A root canal is the more affordable route, which is one reason dentists try to save the tooth first. An implant costs more because it involves surgery, a healing period and a custom crown. Where budget is a concern, it is worth asking whether the tooth can be saved before considering removal and replacement.

So which should you choose?

The honest answer is that it depends on the tooth, not on a fixed rule. If the tooth can be saved, a root canal is usually the better, cheaper and faster choice. If it is beyond saving, an implant is the strongest way to replace it. The right decision comes from a clinical examination and an X-ray, so it is best made with a dentist rather than from an article alone.

Frequently asked questions

Is a root canal cheaper than an implant?

Yes. A root canal is significantly cheaper than an implant, because it saves the existing tooth rather than surgically replacing it.

Can you get an implant after a failed root canal?

Often, yes. If a root canal cannot be redone and the tooth cannot be saved, the tooth is removed, and an implant can be placed once the site has healed.

About the author. This article was contributed by the dental team at Teeth Care Multispeciality Dental Clinic, a multispeciality dental group in Kolkata.