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Assessment of the Accuracy of Surgical Guide Designed From Dental Model Optical Scan Versus Impression Inversion With Markers Techniques in Computer Guided Implantology. Randomized Clinical Trial.

NCT ID: NCT03367949

Last Updated: 2017-12-12

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

UNKNOWN

Clinical Phase

NA

Total Enrollment

10 participants

Study Classification

INTERVENTIONAL

Study Start Date

2017-07-01

Study Completion Date

2018-04-01

Brief Summary

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Dental model cast accuracy can be affected by many variables as tray material, impression material and time elapsed before pouring the impression. All these factors would affect the accuracy of the surgical guide

Impression inversion with markers technique avoids the dimension changes that may happen from pouring of the dental model cast. Also it saves time as no need for optical scan of the model cast and for scan appliance even in cases of multiple restoration. Adding markers to impression tray ensures an accurate merge even if the patient has restored dentition that may cause scatter during the CT/CBCT scan.

This study will is for Assessment of the Accuracy of Surgical Guide designed from Dental Model Optical Scan versus Impression Inversion with Markers techniques in Computer Guided Implantology.

Detailed Description

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Conditions

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Accuracy of Surgical Guide in Computer Guided Implantology

Keywords

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Surgical guide impression inversion stereolithographic surgical guides

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

Primary Study Purpose

OTHER

Blinding Strategy

QUADRUPLE

Participants Caregivers Investigators Outcome Assessors
Each patient will be given a code by the researcher (A.A) and the observers will be blind to which group this case belong.

Patients, evaluators and data analyst will be blinded

Study Groups

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Accuracy of surgical guide from Model optical scan

Group Type NO_INTERVENTION

No interventions assigned to this group

Accuracy of surgical guide from Impression inversion Technique

Group Type ACTIVE_COMPARATOR

Surgical guide designed from Impression inversion with markers

Intervention Type OTHER

Rather than using optical scan of the cast , We will use impression inversion technique with VPS impression and adding CBCT Markers on the tray

Interventions

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Surgical guide designed from Impression inversion with markers

Rather than using optical scan of the cast , We will use impression inversion technique with VPS impression and adding CBCT Markers on the tray

Intervention Type OTHER

Eligibility Criteria

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Inclusion Criteria

1. Partially Edentulous patients seeking for dental implants
2. Patients with Bucco-lingual bone thickness more than 6 mm allowing flapless implant placement.
3. Medically free patients.

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Exclusion Criteria

1- Patients with thin ridges. 2- Patients with systemic disease that may affect bone quality. 3- Patients with poor oral hygiene and active periodontal diseases. 4- Anatomical situations requiring regenerative procedure. 5- Completely edentulous patient 6-Patient with limited mouth opening

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Eligible Sex

ALL

Accepts Healthy Volunteers

Yes

Sponsors

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Cairo University

OTHER

Sponsor Role lead

Responsible Party

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Abdullah Ahmed Elmasry

Principal Investigator

Responsibility Role PRINCIPAL_INVESTIGATOR

Locations

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Faculty of Dentistry , Cairo university

Cairo, , Egypt

Site Status RECRUITING

Countries

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Egypt

Facility Contacts

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information desk

Role: primary

Other Identifiers

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SGCBCTELMASRY

Identifier Type: -

Identifier Source: org_study_id