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A new self-tapping Brånemark implant: clinical and radiographic evaluation.

Artikel i vetenskaplig tidskrift
Författare Bertil Friberg
Kerstin Gröndahl
Ulf Lekholm
Publicerad i The International journal of oral & maxillofacial implants
Volym 7
Nummer/häfte 1
Sidor 80-5
ISSN 0882-2786
Publiceringsår 1992
Publicerad vid Odontologiska institutionen
Sidor 80-5
Språk en
Länkar www.ncbi.nlm.nih.gov/entrez/query.f...
Ämnesord Adult, Aged, Alveolar Bone Loss, etiology, radiography, Bone Density, Dental Implantation, Endosseous, instrumentation, methods, Dental Implants, adverse effects, Female, Humans, Male, Middle Aged, Prospective Studies, Random Allocation
Ämneskategorier Kirurgisk forskning

Sammanfattning

A new self-tapping Brånemark implant designed for denser bone qualities was evaluated with regard to insertion technique, complications, marginal bone remodeling, and survival rate. Thirty patients, representing 21 mandibles and 9 maxillae, participated in the study. In each patient both standard and self-tapping implants were placed, and a total of 179 implants, 88 self-tapping and 91 standard, were inserted. Thirteen of 62 mandibular self-tapping implants reached their correct positions only after using the screw tap or the cylinder wrench for manual insertion. No such problems were noted when using standard fixtures after bone pre-tapping. In the maxillae, neither of the two implant designs presented any problems. One standard and one self-tapping fixture failed to osseointegrate. Radiolucencies were seen in the bone around the apical portion of two fixtures, one of each design. The mean marginal bone resorption after 1 year of follow-up was 0.5 to 0.6 mm for the two fixture types.

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