Oral surgery ·
Oral surgery

Subgingival tooth fracture

Saving a tooth when the fracture extends below the gum.

About this service

When a tooth fractures below the gum line, a classic filling or crown cannot be placed without surgical intervention - the margin would be inaccessible. Specific techniques (crown lengthening, orthodontic extrusion) allow the tooth to be saved instead of extracted and replaced by an implant.

Step by step

How the procedure works

  1. X-ray/CBCT assessment - can the tooth be saved.
  2. Endodontic therapy if needed.
  3. Surgical crown lengthening (gingivectomy + osteotomy) or orthodontic extrusion.
  4. Healing period of 6-8 weeks.
  5. Crown on the new build-up.

When it is needed

Materials & technology

Piezo-surgery for precise osteotomy without root damage. Fibre-reinforced posts (FRC) for build-ups on shorter roots.

Frequently asked questions

When can a tooth be saved and when not?
Depends on root length and fracture position. If the remaining root can support a crown (at least 4 mm of healthy structure above bone) - it can be saved.
What is crown lengthening?
Surgical removal of gum and bone around the tooth to expose more root, so the crown can sit on healthy structure.
How long does such a tooth last?
With proper work - 10+ years. Lifespan is shorter than an ordinary tooth, but still often a better option than an implant.
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