Missing posterior tooth
Conditions
Interventions
Short implants in the posterior region versus longer implants in combination with a sinus elevation procedure in the posterior region
Sponsors
University Medical Centre Groningen (Netherlands)
Eligibility
Inclusion criteria
Inclusion criteria: • Inclusion criteria: • Patients referred to the department of Oral and Maxillofacial Surgery 10 years ago and treated with a short dental implant and an implant-supported restoration because of having a missing tooth in the posterior region. At the time of treatment: • The patient was 18 years or older; • The missing tooth was a premolar or molar in maxilla or mandible; • Sufficient healthy and vital bone to insert a dental implant with a minimum length of 6 mm and at least 4.0 mm in diameter with initial stability > 45 Ncm • The implant site was free from infection; • Adequate oral hygiene (modified plaque index and modified sulcus bleeding index = 1); • Sufficient mesio-distal, bucco-lingual, and interocclusal space for placement of an anatomic restoration; • The patient was capable of understanding and giving informed consent.
Exclusion criteria
Exclusion criteria: • Exclusion criteria at the time of treatment: • Medical and general contraindications for the surgical procedures; • Presence of an active and uncontrolled periodontal disease; • Bruxism; • Smoking • A history of local radiotherapy to the head and neck region.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Change in peri-implant marginal bone level. | — |
Secondary
| Measure | Time frame |
|---|---|
| Implant survival and restoration survival • Probing pocket depth • Amount of plaque • Mucosa condition • Patient satisfaction | — |
Contacts
Public ContactHenny J.A. Meijer
University Medical Center Groningen
Outcome results
None listed