Custom-Made Zirconia Crowns and 3D-Printed Resin Crowns Versus Ready-Made Zirconia Crowns in Prim… (NCT06581510) | Clinical Trial Compass
RecruitingNot Applicable
Custom-Made Zirconia Crowns and 3D-Printed Resin Crowns Versus Ready-Made Zirconia Crowns in Primary Molars
Egypt30 participantsStarted 2024-02-25
Plain-language summary
The main problem introduced in this study is the aggressive reduction needed for ready-made zirconia crowns to be passively fitted. In addition, its relatively expensive cost and wear of the opposing tooth structure. In this study, different crown materials will be introduced, such as customized zirconia crowns and novel 3D printed resin crowns who may offer better adaptability and gingival health and are relatively cost effective. The proposed study will help in increasing studies of different crown materials for primary teeth
Who can participate
Age range
5 Years – 8 Years
Sex
ALL
See this in plain English?
AI-rewrites the medical criteria so a patient or caregiver can understand them. Always confirm with the trial site.
Inclusion Criteria:
* Healthy children within age range of 5-8 years old
* Upper and lower primary second molars
* Vital primary second molars
* Cooperative children Frankl scale 3 (positive) and 4 (definitely positive)
Exclusion Criteria:
* Radiographic radiolucency related to the furcation and periapical area or any evidence of root resorption
* Deep bite
* More than 2 walls lost due to caries
* Presence of parafunctional habits
Questions worth asking your doctor
Bring these to your next appointment. They're a starting point for a shared conversation — not a sign you qualify or a recommendation to enrol.
1Based on my diagnosis and history, is this trial worth exploring for me — or is there a standard treatment we should try first?
2What does this trial's phase tell us about how much is already known about its safety and benefit?
3What would taking part actually involve for me — visits, tests, time, and travel?
4What are the known and possible risks or side effects I should weigh, and how would they be monitored?
5If this trial isn't the right fit, what other options or trials would you suggest I look into?
Generated to help you prepare — always confirm anything about your own eligibility and care with the study team and your doctor.
Questions for the trial coordinator
The trial coordinator is the person who runs the study day to day. These cover the practical side — logistics, costs, and what taking part would actually mean for your life. The study team confirms whether you meet the criteria; these are questions to ask, not a sign you qualify.
1What does taking part actually involve week to week — how many visits, where, and how long does each one take?
2What costs are covered by the study, and what might I have to pay for myself, including travel, parking, or time off work?
3What happens during screening, and what happens if the study team confirms I don't meet the criteria after those tests?
4Who pays for the scans, blood work, and other tests the trial requires — the study, my insurance, or me?
5How will being in the trial affect my regular care, and will my own doctor stay informed and involved?
6Can I leave the trial at any point if I change my mind, and what would happen to my care if I do?
A starting point for the conversation — always confirm anything about your own eligibility, costs, and care with the study team and your doctor.
What they're measuring
1
Functional, biological , and esthetic performance according to FDI clinical criteria
Timeframe: 3,6,9 months
2
Measure amount of reduction done after preparation
Timeframe: During procedure
3
Measure time taken during preparation
Timeframe: During procedure
4
Measure amount of bleeding during preparation
Timeframe: immediately after completion of the procedure (after reduction and cementation of dental crown)