Influence of Intruding Angle on Non-graft Osteotome Sinus Elevation

Hospital of Stomatology, Sun Yat-Sen University

Status: Unknown

Conditions: Osteotome Sinus Lift; Partial-edentulism

Study type: Observational

Funder types: Other

Identifiers

NCT04662749

KQEC-2020-26

Details and patient eligibility

About

The contour of maxillary sinus matters in osteotome sinus elevation. So does the implant intruding angle between the axis of the implant and the tangent line of the sinus floor contour. The investigators have been engaged in studying the relationship between the outcome of bone formation and the intruding angle, which could guide our clinical decision-making.

Enrollment: 46 estimated patients

Sex: All

Volunteers: No Healthy Volunteers

Inclusion criteria

• Patients with residual bone height >4mm and osteotome sinus elevation together with simultaneous implant placement without grafting

Exclusion criteria

• Smokers or patients with systemic disease.

Trial design

46 participants in 3 patient groups

concave group

Description:

the group whose level of sinus floor is lower than both of the adjacent teeth

angle group

Description:

the group whose level of sinus floor is lower than one of the adjacent teeth and higher than the other one of the adjacent teeth

flat group

Description:

the group whose level of sinus floor is similar to both of the adjacent teeth