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RecruitingNot ApplicableNCT06500845

Assessment of Marginal and Internal Fit of High Performance Polymer PEEK Endocrown Using Two Preparation Designs

Assessment of Marginal and Internal Fit of High Performance Polymer Endocrown Using Two Preparation Designs (Randomized Clinical Trial)

Sponsor

Cairo University

Enrollment

24 participants

Start Date

Sep 17, 2025

Study Type

INTERVENTIONAL

Conditions

Endodontically Treated MolarMarginal FitInternal Fit

Summary

First, Participants in this study will be recruited according to inclusion criteria. Proper examination for the participants (clinically and radiographically). Preparation for endodontically treated molar for receiving high performance polymer endocrown. Checking and verification for the restoration (trying) and assessment of marginal and internal fit by replica technique. Then final cementation of endocrown.

Eligibility

Min Age: 18 YearsMax Age: 50 Years

Inclusion Criteria6

  • Patient age range from 18 years -50 years old. They should be able to read and write so they can sign the informed consent.
  • Patient should have a good physical and psychologically state to be able to withstand the steps of the restoration procedure.
  • Have a molar with root canal filling with no active periodontal or apical involvement.
  • Patients having root canal treatment teeth indicated for endocrown treatment with 3 or 4 axial walls remaining.
  • Patient with axial wall length not less than 3 mm and not more than 5 mm.
  • Patient should have good oral hygiene and motivation.

Exclusion Criteria5

  • Patient with periodontal or apical involvement or improper root canal treatment.
  • Severe loss of the tooth structure in which the amount of the remaining tooth structure is less than 2mm.
  • Patient with poor oral hygiene or with occlusal instability
  • Patient with improper physical or psychological state.
  • Patient not pregnant or lactating.

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Interventions

OTHERBevel marginal design endocrown for endodontically treated teeth

Bevel marginal design will be prepared for endodontically treated teeth and restores with Peek endocrown

OTHERButt marginal design endocrown for endodontically treated teeth

Butt marginal design will be prepared for endodontically treated teeth and restores with Peek endocrown

Locations(1)

Cairo University

Cairo, Egypt

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NCT06500845