The International journal of oral & maxillofacial implants · 2025
Mandibular Implant-Supported Overdentures Using Telescopic Crowns and an Immediate Loading Protocol: A 2-Year Prospective Follow-up Study.
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Chanh Le Trung, Thanh To Viet, Quan Pham Nguyen, Nhat Phan Dinh
Аннотация
PURPOSE: To evaluate the outcome of implant-supported overdentures using telescopic crowns for the treatment of edentulous patients with an immediate loading protocol.
MATERIALS AND METHODS: This study was conducted on 22 patients with edentulous mandibles visiting the Department of High Technique at the National Hospital of Odonto- Stomatology in Ho Chi Minh City, Vietnam, for prosthodontic rehabilitation. Each patient received four interforaminal implants. An immediate loading protocol was applied, and Ankylos SynCone coping systems (Dentsply Sirona) were used to connect the prostheses and implants. The survival rates of the implants and prostheses, as the primary outcome, were evaluated postoperatively at 6 months, 1 year, and 2 years. Peri-implant tissue condition, peri-implant bone loss, and patient satisfaction were the secondary outcomes.
RESULTS: The implant survival rate was 98.9%, with one failed implant. The peri-implant bone loss changes after 6 months, 1 year, and 2 years were 0.07 ± 0.22 mm, 0.12 ± 0.3 mm, and 0.15 ± 0.2 mm, respectively. No gingival hyperplasia was recorded. The prosthesis survival rate was 86.4%, with one fractured overdenture, one overdenture relining, and one abutment fracture.
CONCLUSIONS: Mandibular rehabilitation using implant-supported overdentures with telescopic crowns and an immediate loading protocol showed high survival rates for both the implants and prostheses at the 2-year follow-up.
MATERIALS AND METHODS: This study was conducted on 22 patients with edentulous mandibles visiting the Department of High Technique at the National Hospital of Odonto- Stomatology in Ho Chi Minh City, Vietnam, for prosthodontic rehabilitation. Each patient received four interforaminal implants. An immediate loading protocol was applied, and Ankylos SynCone coping systems (Dentsply Sirona) were used to connect the prostheses and implants. The survival rates of the implants and prostheses, as the primary outcome, were evaluated postoperatively at 6 months, 1 year, and 2 years. Peri-implant tissue condition, peri-implant bone loss, and patient satisfaction were the secondary outcomes.
RESULTS: The implant survival rate was 98.9%, with one failed implant. The peri-implant bone loss changes after 6 months, 1 year, and 2 years were 0.07 ± 0.22 mm, 0.12 ± 0.3 mm, and 0.15 ± 0.2 mm, respectively. No gingival hyperplasia was recorded. The prosthesis survival rate was 86.4%, with one fractured overdenture, one overdenture relining, and one abutment fracture.
CONCLUSIONS: Mandibular rehabilitation using implant-supported overdentures with telescopic crowns and an immediate loading protocol showed high survival rates for both the implants and prostheses at the 2-year follow-up.