The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Feb. 24, 2026
Filed:
Feb. 14, 2020
Dentsply Sirona Inc., York, PA (US);
Sirona Dental Systems Gmbh, Bensheim, DE;
Martin Ruetze, Mannheim, DE;
Naim Karazivan, Quebec, CA;
Dentsply Sirona Inc., York, PA (US);
Abstract
Dental device () for ridge preservation around the socket () of an extracted tooth and for promoting jaw bone regeneration inside the socket () of the extracted tooth, the dental device () comprising: a screw () which is entirely made of a biodegradable material to eliminate the need for a removal surgery, wherein the screw () is adapted for tight fixation within the jaw bone () in the socket () to prevent micromovements during bone-tissue regeneration, wherein the screw () has a length such that its top is, in the inserted state, flush with the alveolar ridge () around the socket () to promote full bone regeneration inside the socket (), and wherein the screw () has a hollow () and pores (), wherein the diameters of the pore () is substantially equal to or larger than 20 micrometers.