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IRCT20181216041993N1 IRCT 2019-03-30 Mashhad University of Medical Sciences Effect of production method on the accuracy of implant-supported crowns Comparison of clinical fitting and adjustment time for implant-supported crowns produced by conventional and digital workflow in partial edentulous patients 2019-01-05 anticipated 30 Complete https://irct.ir/trial/35986 interventional Randomization: Randomized, Blinding: Single blinded, Placebo: Not used, Assignment: Parallel, Purpose: Treatment, Randomization description: Numbers 1 to 30 are placed inside the envelope. Patients randomly take a number from the envelope. The patients with odd numbers will be in the control group and the patients with even numbers will be in the intervention group, Blinding description: After the abutments and crowns were prepared, They are delivered in the same package to the evaluator of the outcomes. Without knowledge of the patient group, He does the process of adjusting the crowns and Records the outcomes. N/A Impression taking procedure of implants. Intervention 1: Intervention group: Digital impression is taked with oral scanner. The STL-data of virtual impression are sent to dental laboratory. customized titanium abutments and full contour zirconia crowns are designed simultaneously and then are milled. Intervention 2: Control group: Impression taking of implants is done with open tray technique and silicone materials. Impressions are sent to dental laboratory. Casts are poured and then scanned with laboratory scanner. Customized titanium abutments and full contour zirconia crowns are designed simultaneously and then are milled. Yes - There is a plan to make this available What will be shared: All data can be shared after making all data unidentifiable When: The access period starts one year after the results are printed To whom: Researchers working in academic and scientific institutions Conditions: For use in scientific articles with mention of the source Where to obtain: Ehsan Kiamanesh Mashhad Dental School, in front of Mellat Park, Vakil Abad Blvd. Postal code: 9177948959 phone: +985138829501 mobile : +989151591702 email: kiamaneshe951@mums.ac.ir How to obtain: Requests are received by email and will be answered after the evaluation. Comments:
public Ehsan kiamanesh
Mashhad Dental School, in front of Mellat Park, Vakil Abad Blvd
Mashhad Iran (Islamic Republic of) 9177948959 +98 51 3882 9501 kiamaneshe951@mums.ac.ir Mashhad University of Medical Sciences scientific Hamid Reza Rajati haghi
Mashhad Dental School, in front of Mellat Park, Vakil Abad Blvd
Mashhad Iran (Islamic Republic of) 9177948959 +98 51 3882 9501 rajatihr@mums.ac.ir Mashhad University of Medical Sciences Iran (Islamic Republic of) Two neighbor implants in premolar and molar sites with existing interproximal and antagonistic contacts. Periodontal conditions of the patient should be healthy or successfully treated Being at the age of 18 years and over The distance between the two implants is 3 mm and the distance between the implants and tooth is at least 1.5 mm Maximum angle of the two implants should be 25 degrees 18 years no limit Both smoker patients Treatment - Other Treatment - Other Intervention group: Digital impression is taked with oral scanner. The STL-data of virtual impression are sent to dental laboratory. customized titanium abutments and full contour zirconia crowns are designed simultaneously and then are milled. Control group: Impression taking of implants is done with open tray technique and silicone materials. Impressions are sent to dental laboratory. Casts are poured and then scanned with laboratory scanner. Customized titanium abutments and full contour zirconia crowns are designed simultaneously and then are milled. Adjustment time of implant supported crowns. Timepoint: At the time of try-in the crowns. Method of measurement: Digital timer. Mashhad University of Medical Sciences Approved 2018-11-21 Ethics committee of Mashhad University of Medical Sciences Mashhad Dental School, in front of Mellat Park, Vakil Abad Blvd Mashhad Razavi Khorasan Iran (Islamic Republic of)