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Clinical Evaluation of Two Types of Collagen Materials for the Site preservation

Clinical Evaluation of Two Types of Collagen Materials for the Site preservation

Status
Recruiting
Phases
Unknown
Study type
Interventional
Source
ChiCTR
Registry ID
ChiCTR2300070921
Enrollment
Unknown
Registered
2023-04-26
Start date
2022-11-24
Completion date
Unknown
Last updated
2023-06-04

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

Conditions

Dentition Defect

Interventions

Collagen sponge:Atraumatic tooth extraction, Socket filled with Bio-Oss bone substitute, The collagen sponge was sutured in place to seal the socket aperture
Collagen membrane:Atraumatic tooth extraction, Socket filled with Bio-Oss bone substitute, The collagen membrane was sutured in place to seal the socket aperture

Sponsors

West China Hospital of Stomatology, Sichuan University
Lead Sponsor

Eligibility

Sex/Gender
All
Age
18 Years to 65 Years

Inclusion criteria

Inclusion criteria: 1) Patients with hypertension and diabetes aged 18-65 years, who are generally healthy or well controlled 2) teeth that cannot be retained due to various reasons, and there is bone defect or chronic inflammation at the tooth extraction site, and they plan to have implant surgery after extraction 3) good oral hygiene, patients do not smoke or smoke less than 5 cigarettes per day 4) at least one healthy adjacent tooth in the near and far as the reference point 5) good compliance, voluntary participation in the study and signing of informed consent

Exclusion criteria

Exclusion criteria: 1) poor oral hygiene, acute inflammation in the mouth 2) inability to cooperate with follow-up visits 3) bad habits such as smoking and alcohol abuse 4) systemic diseases 5) patients on a diet or taking other medications that affect bone healing 6) female patients during pregnancy or lactation 7)There is a bone defect greater than three walls at the extraction site 8)history of head and neck radiation therapy 9)significant twisting and crowding of teeth

Design outcomes

Primary

MeasureTime frame
Height of bone tissue;Width of bone tissue;

Secondary

MeasureTime frame
Soft tissue thickness;Width of soft tissue;

Countries

China

Contacts

Public ContactWU YING YING

West China Hospital of Stomatology, Sichuan University

yywdentist@163.com+86 18080841033

Outcome results

None listed

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