Fractured Front Tooth After Root Canal Treatment: A Guided Dental Implant Case in Kathmandu, Nepal

–  Big Smile Dental Clinic Team

A Sudden Front Tooth Fracture Can Be Frightening

                  A front tooth plays a major role in appearance, speech, and confidence. When it suddenly breaks, especially while eating, it can be shocking and stressful. At Big Smile Dental Clinic & Prosthodontic Center in Kathmandu, Nepal, we recently treated a middle-aged female patient with a similar situation that many people can relate to.

             This blog explains her case in simple terms and helps you understand why root canal treated teeth can fracture after many years and how modern dental implants can offer a permanent solution.

Patient History: Root Canal and Crown Done 6 Years Ago

The patient visited our clinic with a fractured upper right central incisor (front tooth). She explained that:

  • She had undergone root canal treatment on both upper front central incisors about six years ago
  • Crowns were placed on both teeth at another dental clinic
  • One year ago, the crown on the right front tooth became loose and dislodged
  • A new crown was made, but it did not last
  • Recently, while biting hard food, the tooth suddenly fractured again

She arrived at our clinic carrying the dislodged dental crown, worried and looking for a long-term, permanent solution.

Clinical Examination and X-Ray Findings

On clinical examination, we observed:

  • A dislodged crown
  • Visible post space inside the tooth
  • Severely weakened tooth structure

A routine dental X-ray showed:

  • Infection at the root tip
  • Fracture of the tooth

The patient clearly stated that she did not want to restore the same tooth again and preferred removal and replacement with a permanent option.

3D X-Ray (CBCT): Confirming the Diagnosis

To get an accurate picture, we performed a 3D X-ray (CBCT scan). This revealed:

  • Vertical fracture lines in the tooth root
  • Ongoing infection
  • Poor long-term prognosis for saving the tooth

Based on these findings, we explained that keeping or restoring the tooth again would not be predictable. The safest and most reliable option was to remove and replace the tooth.

Treatment Options Explained to the Patient

We discussed all available options in detail:

  1. Removable partial denture
  2. Dental bridge
  3. Dental implant 

After understanding the advantages and disadvantages of each option, the patient chose dental implant treatment as she wanted a fixed, natural-looking, and long-lasting solution.

Figure: Digital Implant Planning

Advanced Digital Planning for Guided Implant Surgery

Since the front tooth area is highly visible, precision was essential. We performed:

  • 3D intraoral scanning
  • Clinical photographs
  • Computer-guided implant planning

The patient also mentioned that the crown on her left central incisor looked slightly darker and wanted it replaced for better aesthetics. We included this in the treatment plan.

We then:

  • Designed a custom surgical guide
  • Planned implant placement for the right central incisor
  • Planned crown replacement for the left central incisor
  • Explained the entire procedure clearly and fixed the surgery date

Figure: Surgical Guide

Implant Surgery Day: Painless and Precise

On the day of the guided implant procedure at our clinic in Kathmandu, Nepal:

  • The fractured tooth was removed atraumatically
  • A dental implant was placed immediately
  • Bone grafting was performed to support long-term implant success
  • The old crown on the left central incisor was removed
  • A 3D scan was taken the same day
  • Temporary crowns were fabricated and placed immediately on both teeth

The surgery was minimally invasive and painless, and the patient remained comfortable throughout.

Immediate Smile Transformation

The patient was extremely happy because:

  • She did not remain without a front tooth
  • She experienced painless surgery
  • She walked out with natural-looking temporary teeth
  • Her smile and confidence were restored immediately

We informed her that the permanent crowns will be placed after 5 to 6 months, once complete healing and implant integration are achieved.

Why Do Root Canal Treated Teeth Break After Years?

Many patients are unaware that:

  • Root canal treated teeth become weaker and more brittle over time
  • Large fillings, posts, and repeated crown replacements reduce strength
  • While doing previous crown, patient bite was ignored.
  • Recurrent crown loosening often indicates internal fracture
  • Sudden biting forces can cause vertical root fractures

Early diagnosis and proper treatment planning can prevent repeated failures.

Conclusion: Creating a “Big Smile” with Modern Dentistry in Kathmandu

This case highlights how advanced diagnostics, guided implant surgery, and digital dentistry can provide predictable and long-lasting results.

At Big Smile Dental Clinic & Prosthodontic Center, Kathmandu, Nepal, our goal is not just to treat teeth, but to restore confidence, comfort, and quality of life.

We felt truly glad that we could give our patient a “Big Smile” immediately, even on the day of surgery.

If you have a broken crown, fractured tooth, or failed root canal treatment, consult early. The right treatment at the right time can save you from repeated dental problems.

Big Smile Dental Clinic & Prosthodontic Center – Trusted Dental Implant Care in Kathmandu, Nepal.

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