Is root canal treatment painful?
There is no need to worry. Before the procedure begins, the dentist administers local anesthesia, ensuring that you remain comfortable throughout the treatment. At Siam Dental Clinic, we also use advanced dental technology to enhance precision, shorten treatment time, and minimize discomfort as much as possible.
How long does root canal treatment take?
The duration of the procedure depends on the complexity of each tooth. Generally, it takes 1-2 visits, with each appointment lasting approximately 1 to 1.5 hours. Our specialists will thoroughly evaluate your case and provide a clear treatment timeline during your initial consultation.

  • Single-Visit Treatment: In many cases, the procedure can be completed in a single visit if there is no severe infection or pre-existing pain when biting.
  • Two-Visit Treatment: If an infection, abscess, or pain is present, or if it is a re-treatment case, a second visit is usually required. Appointments are typically scheduled 2 weeks apart to ensure proper healing.
Is a dental crown always required after root canal treatment?
Post Treatment Restorations A dental crown is highly recommended, especially for posterior teeth (molars,premolars). After root canal treatment, teeth often become brittle and prone to fractures because of extensive decay. A crown provides essential protection by covering tooth structure, restoring strength and ensuring long-term durability.

In certain cases where sufficient tooth structure remains and the biting force is minimal, a crown may not be necessary. Our Prosthodontists or Restorative Specialists will thoroughly evaluate your tooth to determine the most appropriate treatment plan.
How long does a tooth last after root canal treatment?
When performed correctly and combined with good oral hygiene, a tooth that has received root canal treatment can last many years often decades with proper care. However, the lifespan of the tooth depends on:
  • Oral Hygiene: Poor cleaning can lead to new decay and infection.
  • Tooth Condition: Pre-existing cracks or limited tooth structure may reduce strength.
  • Biting Forces: Excessive pressure can lead to fractures over time.
Why is root canal treatment recommended instead of tooth extraction and dentures?
Nothing beats your natural smile. Keeping your own teeth ensures a strong, stable bite and prevents gaps that cause other teeth to shift out of place. We believe in saving your teeth whenever possible; dental implants or dentures should only be the final option when a tooth cannot be saved or for those seeking more budget-friendly alternatives. Unless the dentist considers the tooth condition should be extracted.
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