Clinical Study on Digital Immediate Restoration in Mandibular Anterior Region
Objective:To investigate the clinical effectiveness of immediate implantation and immediate restoration with digital workflow in mandibular anterior region.Methods:Seventeen patients with two to four mandibular inci-sor teeth that could not be retained were selected.Preoperative periodontal therapy was performed,followed by CBCT imaging.The coDiagnostiX software was used to design the three-dimensional position of implants.The sur-gical guides and provisional restorations were fabricated.A total of 34 implants were implanted,the initial stability of all the implants were≥35 N·cm,and the ISQ were>65.61 immediate restorations were performed.Radio-graphs were taken on the same day to confirm the complete seating of the temporary abutments.Regular follow-ups were conducted to provide oral hygiene instructions.Permanent restorations were performed after 6 months,and af-ter 12 months,the survival rate of implants and restorations,the harmony of gingiva with adjacent teeth,the thick-ness change of labial bone,and the patient satisfaction degree were evaluated.Results:Within the 12-month obser-vation period,there were no implant failure.All 34 implants achieved good osseointegration during the observation period,with a survival rate of 100%for both the implants and restorations.Among 55 restorations,the labial gin-gival margin showed good harmony with the adjacent natural teeth,with slight differences observed in 6 restora-tions.There was no significant difference in gingival color and texture between 56 restorations and the adjacent nat-ural teeth,while 5 restorations showed slight differences.The average patient satisfaction degree with aesthetic vis-ual analog scale(VAS)was 96.Conclusion:Based on strict indications selection,immediate implantation and im-mediate restoration in the mandibular anterior region can result in stable outcomes.