FindTrial
Sign In

Research for the relationship between maxillary posterior teeth and maxillary sinus

Research for the relationship between maxillary posterior teeth and maxillary sinus

Status
Recruiting
Phases
Unknown
Study type
Observational
Source
ChiCTR
Registry ID
ChiCTR1900020909
Enrollment
Unknown
Registered
2019-01-22
Start date
2019-02-01
Completion date
Unknown
Last updated
2019-01-28

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

Conditions

Anatomic relationship

Interventions

Case series:none

Sponsors

Beijing Stomatological Hospital Capital Medical University
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: 1. Aged at least 21 year old; 2. teeth fully erupted and root apex developed completely; 3. tooth arrange normal.

Exclusion criteria

Exclusion criteria: 1. severe periapical disease or periodontitis; 2. previous surgery on maxillary tumor, cyst or bone fracture; 3. previous surgery on maxillary sinusitis, radical dissection or sinus floor elevation; 4. skeletal or teeth dysplasia; 5. artificial images; 6. root resorption of maxillary premolar and molar; bone loss around such root; 7. orthodontic treatment; 8. congenital hypodontia; 9. Maxillary posterior teeth overcrowding; 10. craniofacial abnormality.

Design outcomes

Primary

MeasureTime frame
distance;—

Countries

China

Contacts

Public ContactLijie Tang

Beijing Stomatological Hospital Capital Medical University

823417552@qq.com+86 18601043750

Outcome results

None listed

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