Clinical Research on Straumann BLX Narrow-Diameter Implants for Splinted crowns in the Posterior Region

Status

Active, not recruiting

Phases

Phase 4

Study type

Interventional

Source

ChiCTR

Registry ID

ChiCTR2600128000

Enrollment

Unknown

Registered

2026-07-13

Start date

2026-07-15

Completion date

Unknown

Last updated

2026-07-20

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

Conditions

Consecutive Molar Missing

Interventions

Group C:Straumann BLT Standard-Diameter Pure Titanium Implant Group

Group B:Straumann BLX Standard-Diameter Titanium-Zirconium Alloy Implant Group

Group A:Straumann BLX Narrow-Diameter Titanium-Zirconium Alloy Implant Group

Eligibility

Sex/Gender

All

Age

18 Years to 65 Years

Inclusion criteria

Inclusion criteria: 1. Requiring prosthetic replacement of unilateral/bilateral molars (teeth #6 and #7); 2. Residual alveolar ridge width >=7mm in the edentulous area; 3. Available bone height >=12mm in the edentulous area; 4. Adequate width of keratinized gingiva in the edentulous area.

Exclusion criteria

Exclusion criteria: 1. Systemic diseases contraindicated for implant therapy (e.g., uncontrolled diabetes); 2. Untreated periodontitis; 3. Bruxism/clenching; 4. Smoking >10 cigarettes/day; 5. Bone density in edentulous area <400 Hounsfield Units.

Design outcomes

Primary

Measure	Time frame
Implant Survival Rate;	—

Secondary

Measure	Time frame
Incidence rate of mechanical complications;Marginal Bone Loss;	—

Countries

China

Contacts

Public ContactJie Ren

The First Affiliated Hospital of Chongqing Medical University

1277061135@qq.com+86 15196617416

Outcome results

None listed

Source: ChiCTR (via WHO ICTRP) · Data processed: Jul 23, 2026