Implant Supported Single Crowns With Different Retention Modes

This is an interventional treatment trial for Complications: Inflammatory Reactions, Mechanical Complications focused on measuring MMP-8, marginal bone level, conometric concept - Acuris, crown retention, all-ceramic crown Read More

Inclusion Criteria:

• capability of giving an informed consent
• good health as defined by the subjects medical history (no contraindications as described in the exclusion criteria below)
• age 18 to 99 years
• Good periodontal status: BOP < 20%, PI < 30%, no PD > 4mm
• No heavy smokers (< 10 cigarettes/day)
• at least 1 missing tooth in the premolar and molar region (with at least a mesial neighboring tooth/implant showing adequate hard- and soft tissue situation without the need of crestal hard- or soft tissue augmentation) either in the maxilla or in the mandible requiring implant therapy for reconstruction, requiring sinus floor augmentation or not.

Exclusion Criteria

• Insufficient bone volume for implant placement requiring GBR (guided bone regeneration) procedure in crestal area.
• Heavy Smokers (>10 cigarettes/day)
• Medication with a contraindication for implant therapy (especially antiresorptive therapy, ongoing or recently completed local radiotherapy, systematic diseases, ongoing immunosuppressive therapy, functional disorders like Bruxism).
• Skeletal immaturity.
• Any active malignancy or ongoing treatment for malignancy.
• An active infection (e.g. caries, gingivitis, periodontitis) at or in the neighboring area of the operative site.
• Pregnancy
• unable or unwilling to return for follow-up visits for a period of at least 16 months