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Study identifier: NCT06676826 Synced from ClinicalTrials.gov · August 08, 2026
● Study status: Recruiting

Treatment of Periodontal Intra-bony Defects With a Volume Stable Collagen Matrix or Deproteinized Bovine Bone Mineral With 10% Collagen

Condition: Periodontal Diseases  ·  Sponsor: University of Bern

PhaseNA
Planned participants80
Who can joinAll sexes, 18 Years to no upper limit
Healthy volunteersYesCheck eligibility criteria ↓
WhereBern, Switzerland

Interested? Contact the study team ↓

For sponsors, CROs & site teams
Professional view of this study — listed sites, countries and recruiting context from the public registry. Everything below is written for patients and caregivers.See where this study is running →

About this study

To compare the healing of intrabony periodontal defects treated with either open flap debridement and a volume-stable collagen matrix (VCMX) or a deproteinized bovine bone mineral with 10% collagen. The results will shed light on the clinical potential of VCMX in regenerative periodontal surgery and help to develop new treatment strategies.

This description comes directly from the study's public registry record.

Talk to the study team

Alexandra Stähli, MD  ·  +41316840600  ·  alexandra.staehli@unibe.ch

Andrea Roccuzzo, PhD  ·  +41316840600  ·  andrea.roccuzzo@unibe.ch

There is no obligation to join — the study team can answer your questions about taking part.

Always discuss trial participation with your own doctor first.

Full eligibility criteria (exactly as the study team wrote them)

Inclusion Criteria * Patients with localized or generalized periodontitis Stage III and Stage IV, Grade A-B-C * Males and females * Age at least 18 years and older * Presence of interdental intra-bony defects (I, II and III walls) in either the maxilla or the mandible with a PD ≥ 6 mm * Defects with an intra-bony component \> 3 mm for both groups * Intra-bony defect located only at one aspect (mesial or distal) * Presence of at least 2 mm of keratinized soft tissue. Exclusion Criteria * Patients with systemic disease that could interfere with periodontal wound healing * Prolonged antibiotic treatment or anti-inflammatory treatment within 4 weeks prior to surgery * Pregnant or lactating * Smokers with \> 10 cig./day * Patients with FMPS and FMBS \> 25 % after completion of non-surgical periodontal therapy * Multi-rooted teeth with furcation involvement * Third molars * Teeth with circumferential defects * Interdental craters * Written Informed Consent

Reproduced word-for-word from the public registry record — the study team can answer questions about it.

Locations (1)

University of BernBern, SwitzerlandRecruiting

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Bern

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