The goal is to evaluate, after 5 to 8 years, the marginal bone loss around tissue-level implants and bone-level implants in patients who have not followed the maintenance program. Medical records of patients who have been implanted for at least 5 to 8 years and who have been lost during this period are collected from three private clinics in Beirut,Lebanon and the Saint Joseph University Health Center in Beirut,Lebanon. On an individual sheet, the patient as well as the implants data will be noted. Patients will be called for reevaluation after 5-8 years. After signing the informed consent, the measurements by a PCP-15 probe of the plaque index (FMPS) and the bleeding index (FMBS) as well as the height of the keratinized tissue are indicated on the sheet. If the smoking status has changed, this will be mentioned too. The marginal bone loss will be measured on the X-rays taken immediately after the implant placement, after 1 year of loading and then at the reevaluation session.
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Marginal bone loss
Timeframe: 5 to 8 years
Level of oral hygiene
Timeframe: 5 to 8 years