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Clinical Evaluation of Polymethyl Methacrylate CAD/CAM Crowns Versus Prefabricated Zirconia Crowns in Primary Molars

NCT06113770 · Status: ACTIVE_NOT_RECRUITING · Phase: NA · Type: INTERVENTIONAL · Enrollment: 17

Last updated 2023-11-03

No results posted yet for this study

Summary

, in this studythe investigator will compare between ready-made zirconia crowns and Computer-aided design and Computer-aided manufacturing (CAD/CAM) polymethyl methacrylate (PMMA) crowns to overcome the disadvantages of ready-made zirconia crowns.

Conditions

  • Caries of Infancy

Interventions

OTHER

preparation of the tooth to receive ready made zirconia crown

Occlusal reduction 1 to 2 mm using flame bur . Open the interproximal contacts. The tooth should be reduced circumferentially by approximately 0.5-1.5mm . The preparation margin should be carefully extended and refined to a feather-edge approximately 1-2mm subgingivally . Crown size will be determined using try in kit .

OTHER

preparation of the tooth to receive CAD CAM PMMA custom made crown

* Open the interproximal contacts . * The tooth should be reduced circumferentially by approximately 0.5-1mm . * The preparation margin should be carefully extended and refined to a feather- edge approximately 1-2mm subgingivally . * Rubber base impression will be taken by BMS additional silicone kit to the prepared tooth and will be sent to the laboratory to be scanned and to design the crown . * The final crown will be cemented using glass ionomer cement .

Sponsors & Collaborators

  • Adel Sherif Mostafa Rehab

    lead OTHER

Principal Investigators

  • Adel S Rehab · Al-Azhar University

Study Design

Allocation
RANDOMIZED
Purpose
TREATMENT
Masking
TRIPLE
Model
PARALLEL

Eligibility

Min Age
4 Years
Max Age
8 Years
Sex
ALL
Healthy Volunteers
Yes

Timeline & Regulatory

Start
2023-05-01
Primary Completion
2023-11-30
Completion
2023-12-31

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 NCT06113770 on ClinicalTrials.gov