Dental Implant

Group 1 for Tooth Loss

University of Iowa, Iowa City, IA
provisional crown (te + 36 weeks) +22 moreN/AWaitlist AvailableLed by Christopher Barwacz, DDSResearch Sponsored by Christopher Barwacz

Study Summary

This trial is comparing different time intervals for healing before getting an implant. Subjects will visit the University of Iowa College of Dentistry 9 times over 42-48 months.

Eligibility Criteria

Inclusion Criteria

You will be eligible if you check “Yes” for the criteria below

Timeline

Screening ~ 3 weeks
Treatment ~ Varies
Follow Up ~3 years post implant loading
This trial's timeline: 3 weeks for screening, Varies for treatment, and 3 years post implant loading for reporting.

Treatment Details

Study Objectives

Outcome measures can provide a clearer picture of what you can expect from a treatment.
Primary outcome measures
Implant survival
Secondary outcome measures
% of vital bone via histomorphotmetric evaluation of bone core biopsies at 3 months
% of vital bone via histomorphotmetric evaluation of bone core biopsies at 6 months
% of vital bone via histomorphotmetric evaluation of bone core biopsies at 9 months
+1 more

Awards & Highlights

No Placebo-Only Group
All patients enrolled in this study will receive some form of active treatment.

Trial Design

3Treatment groups
Active Control
Group I: Group 1Active Control21 Interventions
Group 1: 3 months post-ARP-SG and dental implant placement using Azento® with an Astra Tech Implant® EV implant and immediate implant provisionalization using Azento®. At 3 months post-DIP&P, a definitive all-ceramic crown, fabricated using a digital workflow (CoreFile), will be placed
Group II: Group 3Active Control22 Interventions
Group 3: 9 months post-ARP-SG and dental implant placement using Azento® with an Astra Tech Implant® EV implant and immediate implant provisionalization using Azento®. At 3 months post-DIP&P, a definitive all-ceramic crown, fabricated using a digital workflow (CoreFile), will be placed
Group III: Group 2Active Control22 Interventions
Group 2: at 6 months post-ARP-SG and dental implant placement using Azento® with an Astra Tech Implant® EV implant and immediate implant provisionalization using Azento®. At 3 months post-DIP&P, a definitive all-ceramic crown, fabricated using a digital workflow (CoreFile), will be placed.

Find a site

Who is running the clinical trial?

Christopher BarwaczLead Sponsor
3 Previous Clinical Trials
130 Total Patients Enrolled
Christopher Barwacz, DDSPrincipal Investigator
University of Iowa
1 Previous Clinical Trials
25 Total Patients Enrolled

Media Library

AstraTech Implant System (ATIS) Evolution (EV) implants (Dental Implant) Clinical Trial Eligibility Overview. Trial Name: NCT04255342 — N/A
Tooth Loss Research Study Groups: Group 1, Group 3, Group 2
Tooth Loss Clinical Trial 2023: AstraTech Implant System (ATIS) Evolution (EV) implants Highlights & Side Effects. Trial Name: NCT04255342 — N/A
AstraTech Implant System (ATIS) Evolution (EV) implants (Dental Implant) 2023 Treatment Timeline for Medical Study. Trial Name: NCT04255342 — N/A
Tooth Loss Patient Testimony for trial: Trial Name: NCT04255342 — N/A

Frequently Asked Questions

These questions and answers are submitted by anonymous patients, and have not been verified by our internal team.

Is this research endeavor actively seeking participants?

"From the data hosted on clinicaltrials.gov, it appears that recruitment for this particular trial has concluded as of June 23rd 2022. Although no longer accepting candidates to this study, there are 33 other medical studies which currently have open slots available."

Answered by AI

Who else is applying?

What state do they live in?
North Carolina
Iowa
California
Other
How old are they?
18 - 65
What site did they apply to?
University of Iowa
What portion of applicants met pre-screening criteria?
Met criteria
How many prior treatments have patients received?
1
0

What questions have other patients asked about this trial?

How long do screening visit take? And can I be reimbursed for travel expenses as well airplane or trein?
Patient

Why did patients apply to this trial?

Have lost 2 teeth and am eligible for implants. To help your study and also help improve my quality of life.
Patient
I need implants and i can be of help in this scientific study. I have lost several teeth and need implants but can’t afford them.
Patient
I was just searching for help and was hoping you guys had something that would work for me.
Patient
Recent research and studies
~16 spots leftby Dec 2025