Custom-made Versus Prefabricated Zirconia Crowns for Primary Molars. (NCT04620174) | Clinical Trial Compass
CompletedNot Applicable
Custom-made Versus Prefabricated Zirconia Crowns for Primary Molars.
Egypt20 participantsStarted 2020-12-01
Plain-language summary
Background: Do construction methods of pediatric zirconia crowns affect the periodontal health and clinical performance of badly decayed primary molars? The question asked by many practitioners.
Purpose: to compare the periodontal health and clinical performance of primary molars restored with custom-made and prefabricated zirconia crowns. Hypothesis is the performance of primary molars restored with custom-made zirconia crowns will be equivalent to those restored with prefabricated zirconia crowns.
Who can participate
Age range
5 Years – 9 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
. Children of 5-9 years old.
. The children have at least 2 decayed primary molars.
. Presence of an intact contralateral primary molar as a control.
. Willingness to participate and to continue with the follow up appointments.
. Clinical and radiographically confirmed dental caries extending to the middle third of dentin.
. Presence of teeth in opposite arch with normal occlusion.
Exclusion criteria
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
Change in periodontal health.
Timeframe: At 1, 3, 6 and 12 months following application.