Root Canal Treatment in Karachi

What a root canal is

Inside every tooth is a soft core called the pulp. It holds the nerve and blood vessels, and it runs down thin channels, the root canals, into the roots of the tooth. When deep decay, a crack or an injury lets bacteria reach the pulp, it becomes inflamed or infected. That infection is what causes the deep, throbbing pain of toothache, and it does not heal on its own. Root canal treatment removes the infected pulp, cleans and disinfects the canals, then fills and seals them. The tooth stays in place, keeps its natural feel when you bite, and can serve you for many more years. The alternative is extraction, after which the gap usually needs an implant, bridge or denture to fill.

Signs you may need one

Only an examination and an X-ray can confirm that a tooth needs root canal treatment, but these are the warning signs patients most often describe:

• Tooth pain that lingers long after hot or cold food and drink
• Pain that wakes you at night, or throbbing that painkillers barely touch
• A tooth that hurts when you bite or press on it
• Swelling of the gum, or a small pimple-like bump on the gum near the tooth
• A tooth that has darkened after an injury
• Deep decay visible on an X-ray reaching the nerve

Sometimes there is no pain at all and the problem is found on a routine X-ray. Either way, the earlier the tooth is treated, the simpler and more predictable the treatment tends to be.

What happens during treatment

Step 1: Examination and X-ray

The dentist examines the tooth and takes an X-ray to see the shape of the roots, the canals and any infection at the root tip. You are told plainly whether the tooth can be saved, what the treatment involves, and what it will cost, before anything begins.

Step 2: Numbing and isolation

The tooth is fully numbed with local anaesthesia, and a small protective sheet isolates it so the area stays clean and dry during treatment. You should feel pressure at most, not pain.

Step 3: Cleaning the canals

A small opening is made in the top of the tooth. Fine instruments clean out the infected pulp and shape the canals, while disinfecting solutions wash bacteria away. This is the careful, unhurried heart of the treatment, and it is where specialist training shows most.

Step 4: Filling and sealing

The cleaned canals are filled with a rubber-like material and sealed, so bacteria cannot get back in. The opening in the tooth is then rebuilt with a filling.

Step 5: The crown

A tooth that has had a root canal is more brittle than a living tooth, especially a back tooth that carries heavy chewing forces. In most such cases a crown is recommended to protect it from cracking. The dentist will tell you at the planning stage whether your tooth needs one, and include it in your quote. Read more about crowns and bridges on the clinic website.

Some cases finish in a single visit; teeth with severe infection or complex roots may take two visits, with a dressing placed between appointments. Your dentist will tell you which applies to you after the X-ray.

Does it hurt?

This is the question every patient asks, and the honest answer is reassuring. With proper local anaesthesia, the tooth is numb throughout, and most patients report that the appointment was far easier than the toothache itself. Afterwards, the tooth can feel tender for a few days, especially when biting, and ordinary painkillers usually manage that well. If pain after treatment feels worse rather than better, you call the clinic and it is looked into promptly.

Aftercare: looking after a treated tooth

Until your permanent filling or crown is in place, avoid chewing hard food on the treated tooth, because it is temporarily weaker. After that, care is ordinary: brush twice a day, clean between the teeth, and keep your regular check-ups. A root-filled tooth can still decay at its edges, so it needs the same attention as any other tooth. If the tooth ever feels different, painful, swollen or loose, have it checked rather than waiting.

How much does it cost?

There is no single honest price for a root canal, because the work depends on the tooth. A front tooth usually has one straight canal; a back molar can have three or four curved ones, and takes longer. The cost also depends on whether a crown is needed afterwards, and on the materials used. For those reasons the clinic quotes after examination, once the X-ray shows exactly what your tooth needs. The clinic's own root canal cost guide for Karachi explains the ranges and factors in detail, and it is worth reading before your visit so you can judge any quote, ours or anyone else's.

Why an endodontist for this treatment

An endodontist is a dentist who has specialised in the inside of the tooth: root canals, retreatment of failed root canals, and diagnosis of difficult tooth pain. Dr Shahid Islam is an endodontist, teaches the subject and has published research in this field, so root canal cases at this clinic are planned and carried out by the specialist rather than referred elsewhere. Teeth that look hopeless at first glance, curved canals, and pain that is hard to locate are everyday work here. You can read more about the clinic and its team, or go straight to the clinic's booking details for root canal treatment.

For a slower, step-by-step version of this page written for nervous patients, see the treatment walkthrough in our sister site, the Dental Knowledge Centre root canal guide.

Quick questions

More answers are on our FAQ page.