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Updated: Feb 15, 2026

Measuring the Complete-arch Distortion of an Optical Dental Impression
Published on: May 30, 2019
Partial and Complete-Arch Implant-Supported Fixed Dental Prostheses in Fully Digital Workflow Using Neuromuscular and
Purpose:
This retrospective study aimed 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 complete-arch 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 the Mann-Whitney U test (α = .05).
Results:
Twelve 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 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 none in 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.
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