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Comparison of Non-Calibrated Splinting Bodies and T-Marker for Complete-Arch Implant Scanning

NCT07723404 · Status: RECRUITING · Phase: NA · Type: INTERVENTIONAL · Enrollment: 40

Last updated 2026-07-23

No results posted yet for this study

Summary

This randomized crossover clinical trial aims to compare the accuracy and scanning efficiency of two digital techniques for recording implant positions in completely edentulous patients receiving implant-supported full-arch prostheses. Each participant will undergo digital impressions using both a non-calibrated splinting scan body system (IoConnect) with an intraoral scanner and a mobile phone-based photogrammetry system (T-Marker). The order of the two scanning methods will be randomized.

The primary outcome is the accuracy (trueness) of implant position recording, assessed by comparing each digital impression with a verified reference model. Secondary outcomes include the time required to complete each digital impression. The findings of this study may help determine whether these digital workflows provide accurate and efficient alternatives for complete-arch implant impressions, thereby supporting clinical decision-making in implant prosthodontics.

Conditions

  • Edentulism
  • Edentulism Complete

Interventions

DEVICE

Non-Calibrated Splinting Scan Body System (IoConnect)

A non-calibrated splinting scan body system used with an intraoral scanner to record complete-arch implant positions. The workflow uses splinted scan bodies that are digitally merged with the soft-tissue scan to generate the definitive implant impression.

DEVICE

Mobile Phone-Based Photogrammetry System (T-Marker)

A smartphone-based photogrammetry system used to capture complete-arch implant positions through optical markers attached to multiunit abutments. The system generates a digital implant position dataset for prosthetic workflow and accuracy assessment.

Sponsors & Collaborators

  • Menoufia University

    lead OTHER

Principal Investigators

  • Mohammed Elsawy, PhD · Menoufia University

Study Design

Allocation
RANDOMIZED
Purpose
DIAGNOSTIC
Masking
NONE
Model
CROSSOVER

Eligibility

Min Age
20 Years
Max Age
60 Years
Sex
ALL
Healthy Volunteers
No

Timeline & Regulatory

Start
2026-04-01
Primary Completion
2026-12-01
Completion
2027-01-01

Countries

  • Egypt

Study Locations

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Read the full study record

This page highlights key information. For complete eligibility criteria, study locations, investigator contacts, and the full protocol, visit the original record on ClinicalTrials.gov.

View NCT07723404 on ClinicalTrials.gov