A clinical study of the Brånemark dental implant system

A clinical study using the Brånemark dental implant system was carried out on 13 patients aged 41 to 68 years. Clinical and psychological effects of treatment were assessed at 6-monthly intervals over a period of 3 years by means of a clinical examination, a personality assessment using Cattell's 16 PF Questionnaire and a general subjective questionnaire. Six per cent of implants failed to osseointegrate. Fifty per cent of bridges became loose, but remained stable after retightening. A similar percentage of fractures occurred, mainly teeth separating from acrylic gumwork. There was some soreness of peri-implant mucosa, particularly on cleaning. Despite these problems, there was considerable evidence of improved well-being of patients, who felt more secure following treatment and, as a result, their personal and social relationships improved.