Clinical study on peri-implant biological width and marginal bone of different gingival biotypes using platform switching implants

Status

Active, not recruiting

Phases

Early Phase 1

Study type

Interventional

Source

ChiCTR

Registry ID

ChiCTR2200066807

Enrollment

Unknown

Registered

2022-12-19

Start date

2023-01-01

Completion date

Unknown

Last updated

2023-05-15

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

Conditions

Dentition defect

Interventions

1:equicrestal bone-level implants ( gingival thickness <2mm)

2:subcrestally placed for 1mm( gingival thickness<2mm)

3:equicrestal bone-level implants ( gingival thickness =2mm)

4:subcrestally placed for 1mm( gingival thickness=2mm)

Eligibility

Sex/Gender

All

Age

18 Years to 60 Years

Inclusion criteria

Inclusion criteria: 1. Age 18-60 years old; 2. The occlusal relationship is basically normal; 3. The posterior teeth are missing; 4. The oral hygiene is good; 5. There is no systemic disease, no contraindications; Incremental surgery; 7. Torque > 25N cm after implant placement; 8. Regular follow-up visits.

Exclusion criteria

Exclusion criteria: 1. Smoking more than 10 cigarettes per day; 2. Acute inflammation or infection around the affected tooth; 3. Poor oral hygiene; 4. Patients with severe bruxism; 5. Other contraindications for implant surgery.

Design outcomes

Primary

Measure	Time frame
Marginal bone level;Peri-implant biological width;	—

Secondary

Measure	Time frame
Gingival thickness;Modified Plaque Index;Gingival index;retention rates;patient satisfaction;	—

Countries

China

Contacts

Public ContactZhang Ni

Hospital of Stomatology,Jilin University

zhangni21@mails.jlu.edu.cn18514328757

Outcome results

None listed

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