Status:

ACTIVE_NOT_RECRUITING

Bone Particles Sizes and the Stability of Soft and Hard Tissue in Aesthetic Area

Lead Sponsor:

The Dental Hospital of Zhejiang University School of Medicine

Conditions:

Implant Site Reaction

Eligibility:

All Genders

18-70 years

Phase:

NA

Brief Summary

After implant restoration, the surrounding tissue, including the gingiva and alveolar bone, will inevitably reconstruct. The study found that gingival recession was easy to occur in the aesthetic area...

Detailed Description

Research Purpose: To compare the effects of large and small bone particle sizes on the stability of soft and hard tissues around the GBR area within 3 years in the esthetics area of anterior tooth. R...

Eligibility Criteria

Inclusion

  • 1\) 18 years old and above
  • 2\) Patients with missing maxillary anterior teeth and insufficient horizontal bone mass of alveolar ridge who indeed need GBR
  • 3\) One-wall or two-wall bone defects
  • 4\) There is no infection and tooth extraction residue at the implant site
  • 5\) Simultaneous implant placement
  • 6\) Subjects who voluntarily join the test cohort and sign the informed consent

Exclusion

  • 1\) Severe periodontitis or uncontrolled periodontitis
  • 2\) History of head and neck radiotherapy
  • 3\) History of bisphosphonate administration and injection
  • 4\) Uncontrolled severe systemic diseases
  • 5\) Patients with heavy smoking
  • 6\) Onlay bone graft is needed for bone resorption
  • 7\) Three-wall or four-wall bone defects

Key Trial Info

Start Date :

May 20 2022

Trial Type :

INTERVENTIONAL

Allocation :

ACTUAL

End Date :

December 31 2025

Estimated Enrollment :

50 Patients enrolled

Trial Details

Trial ID

NCT06020040

Start Date

May 20 2022

End Date

December 31 2025

Last Update

May 30 2025

Active Locations (1)

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Page 1 of 1 (1 locations)

1

The Stomatologic Hospital, School of Medicine, Zhejiang University

Hangzhou, Zhejiang, China, 310003