Partial and Complete-Arch Implant-Supported Fixed Dental Prostheses in Fully Digital Workflow Using Neuromuscular and Jaw- Tracking Systems.

PURPOSE: To elucidate a fully digital workflow incorporating neuromuscular and jaw-tracking systems and to compare the clinical outcomes of partial implant-supported fixed dental prostheses (P-FDPs) and completearch implant-supported fixed dental prostheses (CA-FDPs) fabricated within this workflow.

MATERIALS AND

METHODS

Participants who underwent full-mouth rehabilitation using this digital protocol were identified through a retrospective review of clinical records. Evaluated parameters included prosthesis delivery time, implant and prosthesis survival rates, success rates, prosthetic complications rate, and marginal bone loss (MBL). MBL was reported as the median (Q1, Q3), and group differences were analyzed using Mann-Whitney U test (α = .05).

RESULTS

A total of 12 participants with 22 arches (12 maxilla, 10 mandible), 96 implants, and 29 FDPs were analyzed over a mean follow-up of 6.5 ± 3.6 years. The P-FDP group (14 arches, 42 implants, 21 prostheses) had a mean follow-up of 5.6 ± 3.8 years, while the CA-FDP group (8 arches, 54 implants, 8 prostheses) had a mean follow-up of 7.8 ± 2.2 years. Implant and prosthesis survival rates were 100% in both groups, whereas implant success rates were 95.2% for P-FDPs and 100% for CA-FDPs. Prosthetic complications occurred in 25% of CA-FDPs (two cases of chipping) but in no P-FDPs. Overall median MBL was 0.46 mm (0.13, 0.72), with significantly higher annual MBL in P-FDPs (0.09 mm) than CA-FDPs (0.04 mm; P < .001).

CONCLUSIONS

Within this digital workflow supported by neuromuscular and jaw-tracking systems, P-FDPs showed statistically significantly greater MBL, whereas CA-FDPs exhibited more prosthetic complications.