One year result of sinus floor elevation by replaceable bone window approach vs. lateral approach:a prospective randomized controlled trial

Status

Active, not recruiting

Phases

Early Phase 1

Study type

Interventional

Source

ChiCTR

Registry ID

ChiCTR1900025824

Enrollment

Unknown

Registered

2019-09-10

Start date

2015-12-10

Completion date

Unknown

Last updated

2019-09-16

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

Conditions

posterior maxilla atrophy

Interventions

Two groups:bone formation of replaceable bone window versus lateral approach for sinus floor elevation

Eligibility

Sex/Gender

All

Age

33 Years to 71 Years

Inclusion criteria

Inclusion criteria: (1) a need for implant treatment in the maxillary premolar or molar area and a residual bone height of 1-6 mm determined by panoramic radiographs; (2) healthy maxillary sinuses as judged from the radiographic and clinical examinations; (3) a possibility to achieve adequate primary stability in the residual bone.

Exclusion criteria

Exclusion criteria: (1) general contraindications for implant surgery; (2) severe hemophilia; (3) history of irradiation in the head and neck region 10 cigarettes or cigar equivalents per day or chewing of tobacco corresponding to >10 cigarette equivalents per day; (10) acute infection in the area intended for implant placement; (11) local inflammation, including untreated periodontitis; (12) severe bruxism or clenching habits; (13) presence of osseous lesions.

Design outcomes

Primary

Measure	Time frame
new bone formation;	—

Secondary

Measure	Time frame
marginal bone resorption;	—

Contacts

Public ContactYibo Zhu

Fourth Division, Peking University School and Hospital of Stomatology

zhuyibo_bjmu@hotmail.com+86 18601178982

Outcome results

None listed

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