Digital Implant Dentistry: Replacement of Two Lower Molars

The Story:

This success story demonstrates how we use the digital workflow for complete diagnostics and planning for precise dental implant placement. This patient presented with two non-restorable lower molars due to severe caries.  After a thorough evaluation the diagnostic is to extract the teeth and plan for dental implant placement.

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During the first procedure, Dr. Kazemi extracted the teeth using an atraumatic technique and grafted the site to augment and preserve the bone architecture. Following 5 months of healing, a cone beam CT scan and optical scan impressions are performed to prepare for 3-D computer-assisted planning.
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With precise 3-D planning, a CAD / CAM surgical guide is fabricated to allow the surgeon to place the implant in precise and planned position.
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Final crowns are fabricated and supported by the implants.
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Keys to achieving this result:

  • Collaborative team approach between surgeon and restorative dentist
  • Development of adequate bone foundation using site preservation bone grafting technique
  • Use of CBCT and optical scan for total 3-D computer-assisted planning and implant positioning.
  • Precision placement of dental implants according to workup
  • A CAD / CAM surgical guide for implant placement based on crown positioning (prosthetic-based implant placement)
  • Custom abutments and anatomically fabricated crowns with precision fit


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