Tomas Albrektsson

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Tomas Albrektsson

Tomas Albrektsson (born August 25, 1945) is a Swedish physician who trained under Per-Ingvar Brånemark and is noteworthy for having contributed significantly to the field of implant dentistry.

Contents

Education

Albrektsson received his medical degree in 1973 and his doctorate in 1979, publishing his thesis on the healing of bone graft, having worked under Brånemark. [1]

Selected publications

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All-on-4

The term All-on-4 refers to "all" teeth being supported "on four" dental implants, a surgical and technique prosthodontics procedure for total rehabilitation of the edentulous patient or for patients with badly broken down teeth, decayed teeth or compromised teeth due to gum disease. It consists of the rehabilitation of either edentulous or dentate maxilla and/or mandible with fixed prosthesis by placing four implants in the anterior maxilla, where bone density is higher. The four implants support a fixed prosthesis with 10 to 14 teeth and it is placed immediately, typically within 24 hours of surgery.

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Bicon Dental Implants

Bicon Dental Implants is a privately owned company located in Boston, MA. The company specializes in short dental implants that use a locking taper or cold welding connection to secure the abutment to the implant. Bicon is notable and worthy of mention for the following three reasons: First, Bicon implants are extremely short in length. The size of Bicon implants allow them to be placed in regions that are crowded with natural teeth and/or implants, or in regions that would otherwise require bone grafting. Second, the implants do not have the screw-form design typical of other available implants. Third, the abutments are connected to the implant via a locking taper. This is notable from both a medical and engineering standpoint as no other implant company offers an implant with a biological seal at the implant/abutment interface; almost all other implants possess an internal screw to connect their abutments.

Zygoma implants are different from conventional dental implants in that they anchor in to the zygomatic bone rather than the maxilla. They may be used when maxillary bone quality or quantity is inadequate for the placement of regular dental implants. Inadequate maxillary bone volume may be due to bone resorption as well as to pneumatization of the maxillary sinus or to a combination of both. The minimal bone height for a standard implant placement in the posterior region of the upper jaw should be about 10 mm to ensure acceptable implant survival. When there is inadequate bone available, bone grafting procedures and sinus lift procedures may be carried out to increase the volume of bone. Bone grafting procedures in the jaws have the disadvantage of prolonged treatment time, restriction of denture wear, morbidity of the donor surgical site and graft rejection.

The history of dental treatments dates back to thousands of years. The scope of this article is limited to the pre-1981 history.

References