Patent · US Active

Dental instrument, system and method

US9149343B2 · kind B2 · utility

0Cited by

5References

6Claims

0Family size

Assignee

DIRECTA AB · SE

Inventors

Dan Ericson · Malmö, SE
Jan Johansson · Upplands Väsby, SE
Orjan Arkang · Upplands Väsby, SE
Stefan Leffler · Upplands Väsby, SE
Olof Larsson · Stockholm, SE

Key dates

Filing date	Jan 20, 2010
Grant date	Oct 6, 2015
Priority date	—
Expiry date	Apr 5, 2030

Classification

Technology area (CPC A)Human Necessities
CPC primaryA61C5/85
WIPO fieldMedical technology
WIPO sectorInstruments

Abstract

A dental instrument, suitable for use when creating a dental filling, is provided. The dental instrument includes a wedge and a matrix. The matrix is fixedly attached to the wedge, and the wedge is adapted to be inserted into the approximal space between two teeth of a patient. The wedge has a bow shape along a length axis of the wedge, the matrix has a first bow shape along a length axis of the matrix, and the matrix also has a second bow shape along an axis perpendicular to the length axis of the matrix. A method of using the dental instrument and a disposable system, which further comprises a protective member, is further provided.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.