Clinical Cases Guided Bone Regeneration

After losing one or more natural teeth, a significant loss of the supporting maxillary or mandibular bone occurs. The bone loss is a process that continues over the years, with varying intensity.

In certain cases, bone resorption is so extensive that it is necessary to apply guided bone regeneration techniques that stimulate bone formation and enable dental implant placement with adequate anatomical conditions for long-term rehabilitation success.

The vast majority of these cases are performed using bone substitutes composed of biocompatible synthetic materials or native bone collected locally in the oral cavity.


At the António Carracho Institute, the need to conduct guided bone regeneration or bone grafts is carefully assessed using a 3D radiographic examination - CBCT (Cone Beam Computer Tomography) - that allows the doctor to evaluate the bone quality and quantity. Digital Study Models are also carried out. It is possible to evaluate and plan the optimal position for your dental implants and future teeth in order to achieve the best functional and aesthetic results with high predictability. Depending on the complexity of the case, dental implant placement can be performed simultaneously with Guided Bone Regeneration in an independent surgery.

Step by Step

  1. 3D Radiography and Digital Mold: a 3D radiograph (CBCT) is performed to study the patient's bone quantity and quality. In the same consult, an intra-oral scan is made to plan and idealize the best position of the graft, implants, and teeth.
  2. Guided Bone Regeneration Surgery: 7 to 10 days later, the ROG - Guided Bone Regeneration surgery is performed. The patient is given all necessary information and post-operative instructions.
  3. Follow-up: 7 to 10 days later, an evaluation and control follow-up is carried out.

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