Bone resporption Boneloss
Conditions
Interventions
A bilateral maxillary augmentation will be performed in 54 patients with a
resorbed posterior maxilla. The three-dimensional alveolar ridge augmentation
will be performed with calvaria bone blocks c
Sponsors
Erasmus MC, Universitair Medisch Centrum Rotterdam
Eligibility
Age
18 Years to 99 Years
Inclusion criteria
Inclusion criteria: 1. Patients of 18 years and older and in need for bilateral dental implant placement in the posterior maxilla 2. Atrophic maxilla; horizontal bone deficiency of less than 4 mm of the alveolar ridge in the horizontal plane (class III, IV atrophy according to Cawood and Howell classification) 3. Enough volume of the mandibular ramus to facilitate bone harvesting 4. Absence of visible active inflammation
Exclusion criteria
Exclusion criteria: 1. Medical condition that contraindicates surgery; from ASA III 2. History of radiotherapy in the head and neck region 3. History of Bisphosphonate medication (intravenous) 4. History (within the last 3 months) of using (at least weekly or more frequently) smokeless chewing tobacco, smoking a pipe, cigar or cigarette (at a rate of more than10 cigarettes per day) 5. Disability (mental and/or physical) to maintain basic oral hygiene procedures 6. Unhealed extraction sites (less than 6 weeks post extraction) 7. Patients unwilling or incapable of understanding and signing the informed consent 8. Patients who are pregnant
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Primary Objective: Volumetric changes of the different bone grafts | — |
Secondary
| Measure | Time frame |
|---|---|
| Secondary Objective(s): - Histological evaluation: percentage of vital bone (bone sample after 6 months) - Patient related outcomes: satisfaction and pain - Complications/morbidity donor sites | — |
Countries
Netherlands
Outcome results
None listed