Procedure: - Sounding - Extraction of the tooth 21 - Drilling and implantation - Soft tissue preparation (split flap technique / tunnelling technique) - Harvesting of the soft tissue graft from the palatal region and immediate closure of the site - Fixation of the transplant - Application of the healing abutments - Fixation of the transplant coronally Materials: Thommen Medical Implant System: SPI Element 4,2x14, 4,5 Implant shoulder Goretex 5,0, Premilene 7,0 Sutures Thommen gingiva former

Procedure: - Extraction of upper front teeth not suitable for preservation - Immediate loading of four NobelPerfectTM implants - Intraoperative registration of implant position - Flap-free Vestibular Bone Augmentation - Connective Tissue Graft for Periodontal Regeneration - Immediate Loading of temporary implants on the day of surgery - Definitive restoration 6 months later Materials: NobelPerfect Groovy Implants RP and NP; NobelPerfect Temporary Abutments RP and NP; NobelPerfect Implant Replicas RP and WP; Ribbond, Bondable Reinforcement Ribbon; Ethilon 5-0 FS3 Suture Material; Astra Bonetrap Bone Collector.