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Factors influencing the prognosis of implant treatment in the maxillary aesthetic zone.

Clarification factors influencing changes in soft and hard tissues around the implants over time in the maxillary aesthetic zone.

Status
Recruiting
Phases
Unknown
Study type
Observational
Source
JPRN
Registry ID
JPRN-jRCT1052230059
Enrollment
200
Registered
2023-06-28
Start date
2023-06-28
Completion date
Unknown
Last updated
2026-06-29

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Maxillary premolars and premolar tooth defects Dentistry

Interventions

None listed

Sponsors

Nakano Tamaki
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: Patients who were treated with dental implants in the maxillary anterior and premolar regions and had a final restoration within the study period from April 2011 at the Department of Oral Prosthodontics and Oral Implant Center, Osaka University Dental Hospital, and had CBCT imaging performed to evaluate the progress of treatment at the time the final restoration was placed and after one year.

Exclusion criteria

Exclusion criteria: Patients who are habitual smokers and are under treatment for diabetes mellitus. Patients with unclear measurement data due to artifacts.

Design outcomes

Primary

MeasureTime frame
The amount of change over time in the total thickness and total height of the labial hard and soft tissue of the implant body.

Secondary

MeasureTime frame
Amount of change over time in thickness and height of the labial hard tissue of the implant body.

Contacts

Public ContactHaruka Yamashita

Osaka University Graduate School of Dentistry

u113164e@ecs.osaka-u.ac.jp+81-6-6879-5111

Outcome results

None listed

Source: JPRN (via WHO ICTRP) · Data processed: Jul 3, 2026