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.

Accuracy of Surgical Guide in Computer Guided Implantology Clinical Trial

Official title:

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.

Clinical Trial Details — Status: Recruiting

Administrative data

• NCT number: NCT03367949
• Other study ID #: SGCBCTELMASRY
• Status: Recruiting
• Phase: N/A
• First received: December 5, 2017
• Last updated: December 8, 2017
• Start date: July 1, 2017
• Est. completion date: April 1, 2018

Study information

• Verified date: December 2017
• Source: Cairo University
• Contact: n/a
• Is FDA regulated: No
• Study type: Interventional

Clinical Trial Summary

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.

Recruitment information / eligibility

• Status: Recruiting
• Enrollment: 10
• Est. completion date: April 1, 2018
• Est. primary completion date: March 15, 2018
• Accepts healthy volunteers: Accepts Healthy Volunteers
• Gender: All
• Age group: N/A and older

Eligibility

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.

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

Related Conditions & MeSH terms

• Accuracy of Surgical Guide in Computer Guided Implantology

Intervention

Other:
• 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

Locations

Country	Name	City	State
Egypt	Faculty of Dentistry , Cairo university	Cairo

Sponsors (1)

Lead Sponsor	Collaborator
Cairo University

Country where clinical trial is conducted

Egypt, 

Outcome

Type	Measure	Description	Time frame	Safety issue
Primary	Evaluation of angular deviation of virtual implants and actual implant position according to scanning protocol "optical scan of the model" Versus "impression inversion" using CBCT.		Immediate post operative
Secondary	Evaluation of linear deviation of virtual implants and actual implant position according to scanning protocol " optical scan of the model" Versus " impression inversion " using CBCT		Immediate post operative