# Functional Evaluation of Ceramic Onlay Restorations With Different Preparation Designs

> **NCT04274959** · NA · UNKNOWN · sponsor: **Cairo University** · enrollment: 39 (estimated)

## Conditions studied

- Posterior Ceramic Onlays
- Badly Decayed Teeth Need to be Restored , Teeth Restored With Large Filling Restorations

## Interventions

- **OTHER:** ceramic onlay with shoulder preparation design.
- **OTHER:** ,ceramic onlay with butt joint preparation design

## Key facts

- **NCT ID:** NCT04274959
- **Lead sponsor:** Cairo University
- **Sponsor class:** OTHER
- **Phase:** NA
- **Study type:** INTERVENTIONAL
- **Status:** UNKNOWN
- **Start date:** 2020-02-20
- **Primary completion:** 2021-02-01
- **Final completion:** 2021-06-01
- **Target enrollment:** 39 (ESTIMATED)
- **Last updated:** 2020-02-18


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT04274959

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT04274959, "Functional Evaluation of Ceramic Onlay Restorations With Different Preparation Designs". Retrieved via AI Analytics 2026-06-25 from https://api.ai-analytics.org/clinical/NCT04274959. Licensed CC0.

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