Comparison of two methods of using resorbable membranes in sinus lift surgery.

Clinical and radiographic comparison of the use of two methods of resorbable membrane application in open sinus lift surgery on bone regeneration outcomes.

Status

Recruiting

Phases

Unknown

Study type

Interventional

Source

IRCT

Registry ID

IRCT20241222064130N1

Enrollment

Registered

2025-05-12

Start date

2025-05-22

Completion date

Unknown

Last updated

2025-07-21

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

Conditions

Edentulous patients. Atrophy of edentulous alveolar ridge

Interventions

Intervention 1: In the intervention group, the membrane is placed using the trapdoor technique. Intervention 2: In the first control group, the membrane is placed under the flap using the classic meth

Eligibility

Sex/Gender

All

Age

18 Years to No maximum

Inclusion criteria

Inclusion criteria: The residual bone height in the sinus floor is less than 5 mm. The patient does not have any systemic condition that affects surgery or healing. The sinus ostium is open based on osteomeatal complex evaluation.

Exclusion criteria

Exclusion criteria: The patient is a smoker.

Design outcomes

Primary

Measure	Time frame
Quantity and quality of bone. Timepoint: One week, one month, and 6 months after surgery. Method of measurement: Radiographic evaluation.	—

Countries

Iran (Islamic Republic of)

Contacts

Public ContactAli frozanfar

Mashhad University of Medical Sciences

frozanfara@mums.ac.ir+98 51 3806 7100

Outcome results

None listed

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