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Effect of autogenous tooth bone powder on the preservation of maxillary anterior teeth extraction sites: a retrospective study

Effect of autogenous tooth bone powder on the preservation of maxillary anterior teeth extraction sites: a retrospective study

Status
Active, not recruiting
Phases
Unknown
Study type
Observational
Source
ChiCTR
Registry ID
ChiCTR2500115605
Enrollment
Unknown
Registered
2025-12-29
Start date
2025-12-31
Completion date
Unknown
Last updated
2026-01-05

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

Conditions

Dental implant restoration

Interventions

Autogenous tooth bone graft:N/A

Sponsors

Zhejiang Provincial People's Hospital
Lead Sponsor

Eligibility

Sex/Gender
All
Age
18 Years to No maximum

Inclusion criteria

Inclusion criteria: 1. Patients who have completed the powder site preservation of autologous tooth bone in the upper anterior teeth; 2. Age >18 years old; 3. Implant restoration has been completed; 4. The required clinical and imaging data were complete.

Exclusion criteria

Exclusion criteria: 1. Patients were lost to follow-up; 2. untreated systemic diseases such as diabetes mellitus (HBA1C>7%); 3.Systemic diseases affecting alveolar bone metabolism, with a history of head and face radiotherapy or bisphosphonate injection; 4. Patients with poor plaque control or untreated periodontitis; 5. Heavy smokers (10 cigarettes/day).

Design outcomes

Primary

MeasureTime frame
Changes in midfacial bone width at 2 and 6 months after site preservation;

Countries

China

Contacts

Public ContactWentao Zhang

Zhejiang Provincial People's Hospital

wentaozh86@126.com+86 571 8589 3206

Outcome results

None listed

Source: ChiCTR (via WHO ICTRP) · Data processed: Feb 4, 2026