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Volume 13 , Issue 4
July/August 1998

Pages 474–482


Rehabilitation of Patients With Severely Resorbed Maxillae by Means of Implants With or Without Bone Grafts. A 1-Year Follow-up Study

Göran Widmark, LDS, Odont Dr, Bernt Andersson, LDS, Odont Dr, Bengt Andrup, LDS, Gunnar E. Carlsson, LDS, Odont Dr, Dr Odont hc, Carl-Johan Ivanoff, LDS, Ann Marie Lindvall, LDS, Odont Dr


PMID: 9714953

Forty-three patients with severely resorbed maxillae who had been referred for implant treatment were assigned to one of three treatment groups: bone grafting and implant placement (graft group); modified implant placement but no bone grafting (trial group); or optimized complete dentures (no-implant group). Sixteen, 20, and 7 patients, respectively, were assigned to the three groups. At the 1-year follow-up, 10% of the implants had been lost. Only a few of the failures (3/22) occurred after prosthesis placement. The cumulative success rates were 83% in the graft group and 96% in the trial group. A substantial reduction of the grafted bone, especially of the onlay grafts, occurred in many patients. During the period from prosthesis connection to the 1-year follow-up, marginal peri-implant bone loss was on average 0.5 mm. Despite the often demanding procedures involved, all but one patient in each implant group said that they would undergo the treatment again. Most patients were very satisfied with the treatment outcome and their improved masticatory ability. Those who had renounced implant treatment appeared modestly adapted to their optimized dentures, but reported retention problems and less satisfaction with mastication. (INT J ORAL MAXILLOFAC IMPLANTS 1998;13:474–482) Key words: bone resorption, bone transplant, dental implants, oral radiography, osseointegration


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