Comparing the treatment of intrabont defects by bone graft surgery with entire papilla preservation technique and modified papilla preservation incision

Status

Recruiting

Phases

Early Phase 1

Study type

Interventional

Source

ChiCTR

Registry ID

ChiCTR1900027687

Enrollment

Unknown

Registered

2019-11-23

Start date

2020-01-01

Completion date

Unknown

Last updated

2019-11-25

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

Conditions

Periodontitis

Interventions

experimental group:entire papilla preservation

control group:modified papilla preservation incision

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: The subjects with intrabony defects three months after initial therapy: 1. PD>=6mm within proximal sites; 2. Bone defects depth >=4mm; 3. Width of papilla >=1mm.

Exclusion criteria

Exclusion criteria: 1. The teeth with furcation involvements; 2 The teeth has diseases beyond proximal sites; 3 Mobility exceeding >=2 degree; 4. Oral health are not good enough to undergo surgery; 5. The involved teeth have faulty restorations; 6. Other oral treatment are needed; 7. Pregnant women; 8. Heavy smokers; 9. Systemic health are not good enough.

Design outcomes

Primary

Measure	Time frame
bone defect depth;probing depth;attachment level;	—

Countries

China

Contacts

Public ContactXiyan Pei

Peking University School and Hospital of Stomatology

peixiyan2545@126.com+86 13426402196

Outcome results

None listed

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