Status:

NOT_YET_RECRUITING

Endoscope-assisted Flapless Approach Versus Papillary Preservation Technique in Periodontal Regeneration.

Lead Sponsor:

The University of Hong Kong

Conditions:

Periodontitis

Periodontal Regeneration, Clinical and Radiographic Results, Modified Minimal Invasive Surgery

Eligibility:

All Genders

Phase:

NA

Brief Summary

The standard of care for regeneration of lost periodontal tissue from disease at contained defect sites non-responding to non-surgical periodontal therapy is periodontal regenerative surgery. The clas...

Eligibility Criteria

Inclusion

  • Stage III - Stage IV Periodontitis patients, 3-4 months after completing steps I \& II periodontal therapy.
  • At least 1 tooth presented with 1 site with \>5mm residual PPD and ≥6mm CAL, with ≥3mm intra-osseous defect presented involving predominantly the interdental space of the tooth and presented on paralleling periapical radiographs and/or CBCT.
  • Presence of a periodontally stable tooth with PPD≤3mm immediate adjacent to the intra-bony defect of the investigated tooth
  • Good Oral Hygiene, with Full Mouth Plaque Score ≤25% at baseline and with good plaque control at proposed surgical field.

Exclusion

  • Pre-study period
  • Any systemic condition which prevents following the study protocol;
  • Any systemic condition which may affect healing outcomes of patients, e.g. uncontrolled or poorly controlled diabetes, unstable or life-threatening conditions or those requiring antibiotic prophylaxis;
  • Patients under long-term analgesic medication;
  • Current smokers;
  • Self-reported pregnancy;
  • Systemic antimicrobial therapy within 3 months;
  • Teeth that concurrently present with a buccal and a lingual intrabony defect component;
  • Tooth with hopeless prognosis or questionable prognosis associated with endodontic lesions, or subgingival restorations that preclude clinical measurements, or excessive uncontrolled mobility;
  • Any factors which prohibit regular performance of plaque control around surgical sites;
  • Inadeduate oral hygiene with full mouth plaque score \>25%
  • Furcation involved surfaces
  • During study period -Non-compliance with study protocol

Key Trial Info

Start Date :

January 2 2026

Trial Type :

INTERVENTIONAL

Allocation :

ESTIMATED

End Date :

August 1 2029

Estimated Enrollment :

56 Patients enrolled

Trial Details

Trial ID

NCT06978036

Start Date

January 2 2026

End Date

August 1 2029

Last Update

May 18 2025

Active Locations (1)

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1

The University of Hong Kong

Hong Kong, Hong Kong