Triple-Scan Protocol to Assess Passivity

Mansoura University18 enrolled

Overview

Quantification and visualization the internal and marginal gaps by newer digital methods, such as the triple-scan protocol described by Borga Dönmez et al. (2024), employing 3D analysis software, offering a more objective and reproducible assessment.

Study Type

INTERVENTIONAL

Allocation

RANDOMIZED

Purpose

TREATMENT

Masking

SINGLE

Enrollment

Conditions

Prostheses Durability

Interventions

Conventional Impression TechniqueDEVICE

Conventional implant impression using impression copings and elastomeric impression material.

Digital Impression with Nonmodified Scan BodyDEVICE

Digital implant impression obtained using nonmodified implant scan bodies

Digital Impression with Modified Scan BodyDEVICE

Digital implant impression obtained using subtractively modified implant scan bodies

Eligibility

Sex: ALLMin age: 45 YearsMax age: 64 YearsHealthy volunteers:

Medical Language ↔ Plain English

Inclusion Criteria: Reduced patient satisfaction regarding the stability and retention of conventional mandibular dentures due to mandibular ridge atrophy. Completely edentulous maxillary and mandibular arches for at least 1 year. Sufficient bone volume for placement of four mandibular implants without the need for bone grafting. Age between 45 and 64 years. Ability and willingness to provide informed consent and comply with study procedures. Exclusion Criteria: Current smoking habit. Bone metabolic diseases that may affect osseointegration. History of radiotherapy to the head and neck region within the previous 3 years. Systemic conditions or medications that could compromise implant healing. Inability to attend follow-up visits or comply with study requirements.

Locations (1)

Alaa Mohamed Barakat Elazaly

Al Mansurah, Egypt

Outcomes

Primary Outcomes

Mean horizontal misfit (µm)

Mean horizontal misfit using the triple-scan protocol and STL file superimposition in software. Results will be reported in micrometers (µm).

Time frame: Day 1

Mean vertical misfit (µm)

Mean vertical misfit using the triple-scan protocol and STL file superimposition in software. Results will be reported in micrometers (µm).

Time frame: Day 1

Data from ClinicalTrials.gov

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