Failing tooth in the aesthetic zone Oral Health Disorders of tooth development and eruption
Conditions
Interventions
2 groups with suffcient bone and 2 groups with insufficient bone. They are randomised depending on the bony defect. An envelope is opened after the bony defect is determined.
1. Sufficient bone: the
Sponsors
University Medical Centre Groningen (Netherlands)
Eligibility
Sex/Gender
All
Inclusion criteria
Inclusion criteria: 1. The patient is 18 years or older 2. The replacing tooth is an incisor (central or lateral), a canine or a first premolar in the maxilla. The adjacent teeth are natural teeth 3. The implant site must be free from infection 4. Adequate oral hygiene 5. Sufficient mesio-distal, bucco-lingual, and interocclusal space for placement of an anatomic restoration 6. The patient is capable of understanding and giving informed consent
Exclusion criteria
Exclusion criteria: 1. Medical and general contraindications for the surgical procedures 2. Presence of an active and uncontrolled periodontal disease 3. Presence of pathologic microflora 4. Bruxism 5. Site of implant placement is an extraction wound younger than three months 6. Smoking (patients who stop smoking six weeks before the operation can be included) 7. A history of local radiotherapy to the head and neck region
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Changes in peri-implant hard tissues (marginal bone levels, mesial and distal) | — |
Secondary
| Measure | Time frame |
|---|---|
| 1. Implant survival 2. Peri-implant soft tissues (modified Plaque-index, modified Bleeding-Index, papil index, probing depth,recession, width of keratinized epithelium) 3. Patient satisfaction (OHIP-14) 4. Aesthetic Index (Meijer et al. 2005) | — |
Countries
Netherlands
Outcome results
None listed