the Complexity of Implant SurgeryNCT05657223
Factors Associated With the Complexity of Dental Implant Surgery After Alveolar Ridge Preservation: A Retrospective Cross-sectional Study
An observational study of the Complexity of Implant Surgery, run by Kaohsiung Medical University Chung-Ho Memorial Hospital.
Trial summary
Alcohol consumption, tooth position, and periodontitis-related tooth extraction affect the complexity of subsequent implant surgery after alveolar ridge preservation. Read more about this study
- Who is it for?
- Ages 20 years and olderHealthy volunteers can take part
- Conditions the study is for
- the Complexity of Implant Surgery
- How many people
- 165 participants
- Where
- No sites listed yet
- Study dates
- 1 Jan 2015to 31 Dec 2019
- Phase
- Observational
- Are there results?
- None posted in the registry
Key requirements
Who can take part, as listed by the sponsor. Only the study team can confirm whether you are eligible, so take this list to your doctor.
- Ages 20 years and older
- All sexes
- Healthy volunteers accepted
- Adult, Older adult
Study population: Of 165 sites, dental implant surgery was performed at 156 sites. A total of 72 damaged sockets and 93 intact sockets were included.
Who may be able to join
- teeth extraction in the premolar and molar regions, who underwent flapless tooth extraction with alveolat ridge preservation (ARP) and filling with freeze-dried bone allograft (FDBA) and platelet-rich fibrin (PRF), who underwent cone beam computed tomography (CBCT) followed by dental implant surgery after tooth extraction, and with adequate oral hygiene
Who cannot join
- untreated periodontitis, systemic disease, or the of medication that influences bone metabolism
About this study
Official title: Attending Physician, Division of Periodontics, Department of Dentistry, Kaohsiung Medical University Hospital, Kaohsiung
Alcohol consumption, tooth position, and periodontitis-related tooth extraction affect the complexity of subsequent implant surgery after alveolar ridge preservation.
Read the detailed description
Materials and methods We retrospectively analyzed the dentition of 165 alveolar ridge preservation sites in 116 patients. The bone width at three different vertical levels was measured on cone beam computed tomography images, and a comparison of bone regeneration requirements for subsequent dental implant surgery was performed for different socket types.
- Conditions
- the Complexity of Implant Surgery
- Keywords
- periodontitis, alveolar ridge preservation, implant surgery.
- Medical subject headings
- Periodontitis
What is being measured
The primary outcome is the main question the study is designed to answer.
Alveolar bone width
Measured: 4~6 months
Timeline
From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.
- First posted20 Dec 2022
- Study start1 Jan 2015
- Primary completion31 Dec 2019
- Study completion31 Dec 2019
Resources
- Official record on ClinicalTrials.govThe registry entry this page is built from, with its full change history.
- Publications (1)Papers the sponsor has linked to this study.
- Other trials for the Complexity of Implant SurgeryStudies of the same condition, open and under way.
- More trials run by Kaohsiung Medical University Chung-Ho Memorial HospitalThe sponsor's other registered studies.
- What the trial phases meanHow a treatment moves from first tests in people to approval.
More details
For doctors and researchers: how the study is designed, who runs it, and its registry IDs.
Study design
- Study type
- Observational
- Observational model
- Case crossover
- Time perspective
- Retrospective
- Enrolment
- 165 participants (actual)
Sponsor and investigators
- Sponsor type
- University, hospital or other
- Responsible party
- Sponsor
IDs, dates and publications
- ClinicalTrials.gov ID
- NCT05657223
- Sponsor's protocol ID
- KMUHIRB-E(I)-20210023
- Status last verified
- Dec 2022
- First submitted
- 12 Dec 2022
- Last updated
- 20 Dec 2022
- Results posted
- No
- FDA-regulated drug
- No
- FDA-regulated device
- No
Publications
Hu KF, Chou YH, Lan CC, Ho PS, Liu PF, Tseng CJ. Greater bone regeneration required for implants following periodontal extraction: a retrospective cross-sectional study. BMC Oral Health. 2025 Apr 18;25(1):586. doi: 10.1186/s12903-025-05687-y.
PubMed 40251510
Study at a glance
From the registry record, last updated by the sponsor on 20 Dec 2022. Recruitment status is as the sponsor reported it: confirm with the study team.
- Official title
- Attending Physician, Division of Periodontics, Department of Dentistry, Kaohsiung Medical University Hospital, Kaohsiung
- ClinicalTrials.gov ID
- NCT05657223
- Acronym / sponsor ID
- KMUHIRB-E(I)-20210023
- Conditions
- the Complexity of Implant Surgery
- Keywords
- periodontitis, alveolar ridge preservation, implant surgery.
- Study type
- Observational
- Recruitment status
- Completed
- Enrolment
- 165 participants (actual)
- Lead sponsor
- Kaohsiung Medical University Chung-Ho Memorial HospitalUniversity, hospital or other
- Study start
- 1 Jan 2015 (actual)
- Primary completion
- 31 Dec 2019 (actual)
- Study completion
- 31 Dec 2019 (actual)
- First posted
- 20 Dec 2022 (actual)
- Results
- Not posted in the source record
Clinical summary
The research question as the sponsor registered it. This describes what the study plans to test, not what it found.
Alcohol consumption, tooth position, and periodontitis-related tooth extraction affect the complexity of subsequent implant surgery after alveolar ridge preservation.
Detailed description
Materials and methods We retrospectively analyzed the dentition of 165 alveolar ridge preservation sites in 116 patients. The bone width at three different vertical levels was measured on cone beam computed tomography images, and a comparison of bone regeneration requirements for subsequent dental implant surgery was performed for different socket types.
Study design
- Observational model
- Case crossover
- Time perspective
- Retrospective
Who may qualify
- Ages
- 20 years and older
- Sex
- All
- Healthy volunteers
- Accepted
- Age groups
- Adult, Older adult
- Study population
- Of 165 sites, dental implant surgery was performed at 156 sites. A total of 72 damaged sockets and 93 intact sockets were included.
Key inclusion criteria (1 listed)
- teeth extraction in the premolar and molar regions, who underwent flapless tooth extraction with alveolat ridge preservation (ARP) and filling with freeze-dried bone allograft (FDBA) and platelet-rich fibrin (PRF), who underwent cone beam computed tomography (CBCT) followed by dental implant surgery after tooth extraction, and with adequate oral hygiene
Key exclusion criteria (1 listed)
- untreated periodontitis, systemic disease, or the of medication that influences bone metabolism
Eligibility is decided by the study team after screening; this overview does not establish that a patient qualifies. Full inclusion and exclusion criteria.
Primary outcome
Alveolar bone width
Time frame: 4~6 months
Results and safety
The study is completed, but results are not available in the source record. That does not mean the treatment did or did not work.
Research links
- Official record on ClinicalTrials.govLast updated by the sponsor 20 Dec 2022.
- Derived from this study: PubMed 40251510Hu KF, Chou YH, Lan CC, Ho PS, Liu PF, Tseng CJ. Greater bone regeneration required for implants following periodontal extraction: a retrospective cross-sectional study. BMC Oral Health. 2025 Apr 18;25(1):586. doi: 10.1186/s12903-025-05687-y.
Referral and contact
AzTrials does not enrol participants or take referrals. Contact the study team or a site listed below; they decide who can take part. This study is not recruiting at the moment.
The record lists no contact. Use the official record to reach the sponsor.
Questions about this trial
What is this clinical trial studying?
An observational study of the Complexity of Implant Surgery, run by Kaohsiung Medical University Chung-Ho Memorial Hospital.
The full registered description is in the About this study section and the official record.
Who may be eligible to take part?
The sponsor lists 1 inclusion and 1 exclusion criteria. Eligibility is decided by the study team after screening, so read the full criteria and contact a listed site.
Is this clinical trial currently recruiting?
The record says: finished, as of the sponsor's last update on 20 Dec 2022. Status can change between updates, so confirm with the study contact before making plans.
What are the possible benefits and risks?
They depend on the study and the treatment, and no study can promise a benefit. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.
Are results available for this study?
The study is completed, but results are not available in the source record. That does not mean the treatment did or did not work.
How can a doctor refer a patient or contact the research team?
The record lists no contact. The official record names the sponsor, who can be asked directly. AzTrials does not enrol participants or take referrals.
What does the primary outcome measure?
Alveolar bone width (time frame: 4~6 months). It is what the study was designed to measure, not a finding.
Where can I read the original study information?
On the ClinicalTrials.gov record for NCT05657223, which also lists 1 linked publication.
Does a listing mean the treatment is approved or proven to work?
No. A listing means the study is registered. It does not show that the treatment is safe, works, or is approved by a regulator.
How often is this information updated?
AzTrials copies changed records from ClinicalTrials.gov every night and reloads the whole registry every week. The sponsor last updated this record on 20 Dec 2022.