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Status unknownNCT05337358Updated Apr 20, 2022

Clinical Performance of Fiber Reinforced FRC Base and Bonded CAD/CAM Resin Composite Endocrowns Versus Conventional Lithium Disilicate Endocrowns in Posterior Teeth (1y Randomized Clinical Trial).

An interventional study of endocrown in Clinical Performance, sponsored by Cairo University. Status unknown at 1 site in Egypt. Open to participants aged 20 Years to 50 Years, including healthy volunteers. Per ClinicalTrials.gov, last updated 2022-04-20.

Sponsored by Cairo University · Not applicable, Interventional, and Treatment

The sponsor has not verified this record recently (last verified Apr 2022), so the status shown — last known as Recruiting — may be out of date.

From the registry’s dates

  • Registered 1 year after the study started (first participant enrolled Apr 2021, registered Apr 2022).
Phase
Not applicable
Study type
Interventional
Enrollment
20
Allocation
Randomized
Ages
20 Years to 50 Years
Sex
All
01

Study summary

In patients with endodontically treated molar teeth indicated for endocrown, will the fiber reinforced FRC base and bonded CAD/CAM resin composite endocrowns restorations have a similar clinical performance to the conventional lithium disilicate endocrown over one year?

02

Conditions studied

  • Clinical Performance

Keywords

  • Lithium dislocate
  • fiber reinforced composite
03

In context

Lead sponsor

Cairo University is the lead sponsor of 4,780 studies on the registry; 1,427 are open to participants now.

Of its 36 completed or terminated interventional studies of FDA-regulated products, 5 (14%) have results posted.

Counted across the registry records on this site, refreshed daily.

04

Who can participate

Ages eligible
20 Years to 50 Years
Sexes eligible
All
Accepts healthy volunteers
Yes

Inclusion criteria

  • Patients with good oral hygiene
  • Patients having one or more endodontically treated molars that need prosthetic restoration.
  • Molars should have enough tooth structure for endocrown restoration with minimum 3 walls with thickness not less than 1.5 mm and gingival step placed supragingival
  • Fully erupted molars
  • Molars free of developmental defect
  • Healthy periodontium
  • Absence of periapical pathosis
  • Acceptable endodontic treatment and proper bone support

Exclusion criteria

Exclusion Criteria:

  • Patients with bad oral hygiene
  • Patients with active periodontal disease
  • Patients with missing teeth opposing to the area intended for restoration
  • Patients with parafunctional habits or psychiatric problems or unrealistic expectation.
05

Study design

Phase
Not applicable
Primary purpose
Treatment
Allocation
Randomized
Intervention model
Parallel assignment
Masking
Double (Participant, Outcomes assessor)
Enrollment
20 participants (estimated)

Study arms

  • Active comparator
    Lithium disilicate

    The intervention will be: Prosthetic endocrown

    Procedure: endocrown

  • Active comparator
    Fiber reinforced composite

    The intervention will be: Prosthetic endocrown

    Procedure: endocrown

Interventions

  • Procedureendocrown

    endocrown

06

What researchers measure

Primary outcomes

  1. clinical performance

    Using the modified United States Public Health Service criteria (Modified USPHS)- categorical

    Time frame: 2 years

07

Study locations

1 of 1 sites recruiting
08

References and documents

Individual participant data

Plan to share: Undecided

No publications or documents are linked to this record.

09

Updates

Tracking since Sep 25, 2026
No changes since tracking began. The registry record was last updated on Apr 20, 2022, before this site started recording changes on Sep 25, 2026. Its history is on ClinicalTrials.gov ↗
10

Registry details

Key details

Study ID
NCT05337358
Lead sponsor
Cairo University
Responsible party
Sameh Abou-steit (Lecturer of fixed prosthodontics, Cairo University) — Principal investigator
First posted
Apr 20, 2022
Start date
Apr 1, 2021
Primary completion
Apr 11, 2023 (estimated)
Completion
Apr 11, 2023 (estimated)
Last update
Apr 20, 2022

Study contacts

Sameh Sh Abou-steit, PhD
Contact
samehabousteit@hotmail.com
01001891010 ext. +2
Sameh Sh Abou-steit, PhD
principal investigator · Lecturer of Fixed Prosthodontics

Oversight

FDA-regulated drug
No
FDA-regulated device
No
View the source record on ClinicalTrials.gov ↗

Not currently enrolling

This study is status unknown, as verified in Apr 2022. You cannot join it, but the record below documents what was studied.

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