The Influence of Vertical Implant Position With Immediate Provisionalization on the Marginal Bone… (NCT05973357) | Clinical Trial Compass
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The Influence of Vertical Implant Position With Immediate Provisionalization on the Marginal Bone Loss.
60 participantsStarted 2023-09-20
Plain-language summary
Multiple clinical studies have established high survival rates and tremendous predictability of dental implant treatment. However, a pleasant esthetic outcome is the patient's primary expectation regarding implants in the esthetic zone and several esthetic factors have been evaluated to contribute to an esthetic appearance. Among these, the midfacial soft tissue level is considered to be one of the most important factors; Cosyn and co-workers reported that among factors including soft tissue phenotype, the midfacial recession was associated with the position of the implant .
Therefore, subcrestal implant placement has been advocated as it has been associated with the reduction of crestal bone loss in cases with decreased soft tissue thickness. If the vertical soft tissues on the crest of the alveolar ridge are 2 mm or less at the time of implant placement, implants will undergo unavoidable bone resorption by establishing sufficient biologic protection. Another option was proposed by Linkevicius et al, who introduced the subcrestal implant placement as a method to accommodate the problem of thin soft tissues.
Research question:
Does the placement of delayed implants with different vertical depth affect the marginal bone loss with immediate provisionalization?
Who can participate
Age range
18 Years – 50 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:
* ● Patients with single missing upper anterior or premolar teeth
* Patients with minimum buccolingual width of 6 mm and mesiodistal width of 6mm
* Patients with healthy systemic conditions.
* Patients older than 18 years.
* Good oral hygiene.
* Accepts one year follow-up period (cooperative patients).
* The patient provides informed consent.
* Adequate Inter-arch space for implant placement.
* Favorable occlusion (no traumatic occlusion).
* Absence of allergy to the prescribed medications.
Exclusion Criteria:
* ● Patients with inadequate bone volume and/ or quality
* Patients with local root remnants
* Patients with inadequate wound healing
* Patients with signs of acute infection related to the area of interest.
* Patients with habits that may jeopardize the implant longevity and affect the results of the study such as parafunctional habits (Lobbezoo et al., 2006).
* Heavy smokers patients (more than 10 cigarettes per day) (Lambert, Morris and Ochi, 2000).
* Metabolic diseases such as diabetes or hyperthyroidism as well as systemic medications such as chemotherapy or bisphosphonates
* Pregnant or nursing women.
* Uncooperative patients.
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.