Efficacy of Collagen Sponge Versus Collagen Membrane on Ridge Preservation of Periodontally Compromised Teeth

Recruiting now · Not applicable

Conditions studied: Periodontitis

In brief

The study aims to evaluate the efficacy of ridge preservation with collagen sponge or collagen membrane in combination with collagenated bovine bone mineral in extraction sockets of periodontally diseased teeth.

Key facts

Study ID

NCT05188196

Run by

The Dental Hospital of Zhejiang University School of Medicine

People needed

36

Starts

2022-04-30

Expected to finish

2026-04-30

Last updated by the study team

2024-08-07

Who can join

Age: 18 and older, up to 70. Sex: any. Healthy volunteers: not accepted.

You may qualify if…

• Age ≥ 18 years
• Need for molar extraction due to periodontal disease and plan for late implantation
• No acute infection, such as abscess or effusion
• Presence of bone defects on at one or two socket walls, where the height of the horizontal (suprabony) component of the defect (alveolar bone crest - cement-enamel junction) is >50% of the corresponding root length and the bone height of socket walls is at least 3 mm
• Presence of one adjacent tooth to the extraction site

You may not qualify if…

• Smoking
• Pregnancy or lactation
• Untreated periodontal disease
• Severe systemic conditions that contraindicate surgery (such as diabetes, heart disease, cancer etc.)
• Under radiotherapy
• Systemic disease or medication that influences bone metabolism and mucosal healing (such as immunosuppressants, phenytoin, bisphosphonates etc.)
• Extraction of multiple adjacent teeth
• Allergy to any of the materials used in the study

Where it is running

• The Affiliated Stomatology Hospital of Zhejiang University School of Medicine — Hangzhou, Zhejiang, China (enrolling)

Full record on ClinicalTrials.gov

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