The Effect of Different Window-preparation Approaches on the Clinical Outcomes of Lateral Sinus Floor Elevation

The Dental Hospital of Zhejiang University School of Medicine

Status

Completed

Conditions

Surgical Procedure, Unspecified

Cone-Beam Computed Tomography

Dental Implantation

Maxillary Sinus Floor Augmentation

Treatments

Procedure: Piezoelectric osteotomy

Study type

Observational

Funder types

Other

Identifiers

NCT06323993

2021-115

Details and patient eligibility

About

This study retrospectively evaluated the effect of two different lateral window preparation techniques on peri-implant bone augmentation for patients who underwent lateral sinus floor elevation with simultaneous implant placement using two-dimensional and three-dimensional radiographic results, with special emphasis placed on the stability of the graft material after surgery.

Enrollment

34 patients

Sex

All

Ages

18+ years old

Volunteers

Accepts Healthy Volunteers

Inclusion criteria

age ≥18 years;
one or more maxillary posterior teeth were missing, and the healing time was more than 3 months;
complete basic information and detailed operation records;
available CBCT images before surgery, immediately after surgery, and 6 months after surgery;
RBH ≤6 mm shown by CBCT at T0 at the site of the missing tooth；
no systematic diseases and no untreated periapical disease or periodontal disease before surgery.

Exclusion criteria

(1) maxillary lesions have not been properly treated；
present or past medication of bisphosphonates;
pregnancy or lactation;
present or past radiotherapy of head and neck cancer within 5 years;
acute and chronic inflammation in the maxillary sinus;
in need of additional vertical or horizontal bone augmentation besides LSFE with endo-sinus graft materials;
heavy smoker (>20 cigarettes/day at the time of surgery).