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2. Peri-implantitis - Wikipedia

   en.wikipedia.org/wiki/Peri-implantitis

   The shape of the alveolar bone in regions of bone loss varies depending on the buccal-lingual length (or cheek-to-tongue length) of the bone. Where this length is greater than the extent of the peri-implantitis, the region of bone loss can take the shape of a crater, with walls of bone surrounding the pathology; [ 4 ] this is the most common ...

3. All-on-4 - Wikipedia

   en.wikipedia.org/wiki/All-on-4

   Technique depicted in 3D video This image shows how Nobel Biocare's All-on-4 solution works. The term All-on-4, also known as All-on-Four [1] and All-in-Four, [2] refers to 'all' teeth being supported 'on four' dental implants, a prosthodontics procedure [3] [4] for total rehabilitation of the edentulous (toothless) patient, or for patients with badly broken down teeth, decayed teeth, or ...

4. Dental implant - Wikipedia

   en.wikipedia.org/wiki/Dental_implant

   Also, it helps to stabilize the implant by increasing survival of the implant and decreasing marginal bone level loss. [43] While there are always new implant types, such as short implants, and techniques to allow compromise, a general treatment goal is to have a minimum of 10 mm (0.39 in) in bone height, and 6 mm (0.24 in) in width.

5. Implant failure - Wikipedia

   en.wikipedia.org/wiki/Implant_failure

   Failure of a dental implant is often related to the failure of the implant to osseointegrate correctly with the bone, or vice versa. [4] A dental implant is considered to be a failure if it is lost, mobile or shows peri-implant (around the implant) bone loss of greater than 1.0 mm in the first year and greater than 0.2 mm a year after. [5]

6. Guided bone and tissue regeneration (dentistry) - Wikipedia

   en.wikipedia.org/wiki/Guided_bone_and_tissue...

   The GBR principle was first examined by Dahlin et al. in 1988 on rats. The selective ingrowth of bone-forming cells into a bone defect region could be improved if the adjacent tissue is kept away with a membrane; this was confirmed in a study by Kostopoulos and Karring in 1994. GBR can be used for bone regeneration on exposed implant coils . [4]

7. Bone destruction patterns in periodontal disease - Wikipedia

   en.wikipedia.org/wiki/Bone_destruction_patterns...

   The bone destruction patterns that occur as a result of periodontal disease generally take on characteristic forms. This X-ray film displays a horizontal defect . This X-ray film displays two lone-standing mandibular teeth, #21 and #22: the lower left first premolar and canine, exhibiting severe bone loss of 30-50%.