The Study on the Accuracy of Peri-implant Probing and Related Influencing Factors
NCT ID: NCT07004517
Last Updated: 2025-06-04
Study Results
The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.
Basic Information
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RECRUITING
83 participants
OBSERVATIONAL
2024-01-11
2025-08-31
Brief Summary
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Detailed Description
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Conditions
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Study Design
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OTHER
CROSS_SECTIONAL
Study Groups
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patients with dental implant restorations
Consecutive patients were selected who were treated at the Department of Oral Implantology, Stomatology Hospital, School of Medicine, Zhejiang University, Hangzhou, China,
peri-implant probing before and after crown removal
Before removal of the prosthetic reconstruction:
* Measurement of PPD-1: The PPDs at 6 site were measured as the distance from the mucosal margin to the base of the peri-implant pocket.
* Measurement of BOP-1：Bleeding sites after gentle probing within 15s were recorded as BOP scores. A positive score (1 point) was recorded if bleeding was observed during either of probing assessment by two researchers.
After removal of the prosthetic reconstruction, PPD-2 and BOP-2 were recorded following the same protocol.
Interventions
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peri-implant probing before and after crown removal
Before removal of the prosthetic reconstruction:
* Measurement of PPD-1: The PPDs at 6 site were measured as the distance from the mucosal margin to the base of the peri-implant pocket.
* Measurement of BOP-1：Bleeding sites after gentle probing within 15s were recorded as BOP scores. A positive score (1 point) was recorded if bleeding was observed during either of probing assessment by two researchers.
After removal of the prosthetic reconstruction, PPD-2 and BOP-2 were recorded following the same protocol.
Eligibility Criteria
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Inclusion Criteria
2. The implant has completed osseointegration and has undergone final restoration for at least one month.
3. The final restoration needs to be removed or retrieved for various reasons.
Exclusion Criteria
* History of crown removal or re-restoration within the past month prior to the visit.
* The prosthesis has fallen off or is severely damaged and has lost its original form before the visit.
* The prosthesis cannot be completely removed.
* Refusal to participate in this study.
18 Years
90 Years
ALL
No
Sponsors
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The Dental Hospital of Zhejiang University School of Medicine
OTHER
Responsible Party
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Locations
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The Affiliated Stomatology Hospital of Zhejiang University School of Medicine
Hangzhou, Zhejiang, China
Countries
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Facility Contacts
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Other Identifiers
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2019-51
Identifier Type: -
Identifier Source: org_study_id
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