Dental device for ridge preservation and promotion of jaw bone regeneration in an extraction site

An alveolar ridge and dental technology, applied in the field of dental equipment, can solve problems such as poor nutrient perfusion and slow down bone growth, and achieve the effect of mechanical strength adjustment and uniform healing

Active Publication Date: 2021-10-01
DENTSPLY SIRONA INC +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In addition, poor nutrient perfusion within the bone graft material is especially evident in the presence of dense putty
The well known alveolar ridge preservation technique provides a limited blood supply and therefore slows bone growth during the healing phase

Method used

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  • Dental device for ridge preservation and promotion of jaw bone regeneration in an extraction site
  • Dental device for ridge preservation and promotion of jaw bone regeneration in an extraction site

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0034] figure 1 Shown is a dental device (1) according to an embodiment of the invention for preserving the alveolar ridge around the socket (2) of an extracted tooth and for promoting the socket of an extracted tooth (2) Jaw bone regeneration within. The dental device (1) has a screw (3) made entirely of biodegradable material. The screw (3) is suitable for firm fixation in the jawbone (4) in the alveolar socket (2). The length of the screw (3) makes its top flush with the alveolar ridge (5) around the alveolar socket (2) in the inserted state. The screw (3) has a cavity (6) and a hole (7) to allow blood to perfuse into the cavity. The diameter of the pores (7) is preferably substantially equal to or greater than 20 microns, more preferably substantially equal to or greater than 30 microns, or even more preferably substantially equal to or greater than 60 microns. The diameter of the pores (7) is preferably substantially smaller than 500 microns.

[0035] In an alternati...

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Abstract

The invention relates to a dental device (1) for ridge preservation around the socket (2) of an extracted tooth and for promoting jaw bone regeneration inside the socket (2) of the extracted tooth, the dental device (1) comprising: a screw (3) which is entirely made of a biodegradable material to eliminate the need for a removal surgery, wherein the screw (3) is adapted for tight fixation within the jaw bone (4) in the socket (2) to prevent micromovements during bone-tissue regeneration, wherein the screw (2) has a length such that its top is, in the inserted state, flush with the alveolar ridge (5) around the socket (2) to promote full bone regeneration inside the socket (2), and wherein the screw (3) has a hollow (6) and pores (7), wherein the diameters of the pore (7) is substantially equal to or larger than 20 micrometers.

Description

technical field [0001] The present invention relates to dental techniques for preserving the alveolar ridge at the extraction site and promoting regeneration of the jaw bone prior to implantation. The present invention more particularly relates to a dental device for preserving an alveolar ridge around the socket of an extracted tooth prior to implantation and promoting regeneration of jaw bone within the socket of the extracted tooth. Background technique [0002] Immediate placement of dental implants into new extraction sockets is generally not favorable because of the observed relatively high rate of implant failure compared to subsequent socket healing and implantation procedures. A problem associated with such subsequent procedures is that the alveolar ridge around the extraction socket is largely resorbed during healing. In worst cases, there is not enough bone left to place implants. For this reason, several alveolar ridge-sparing techniques have been proposed and ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61C8/02
CPCA61C8/0006A61C8/0012A61C8/0016A61C8/0031A61C8/0039A61F2/28A61C8/0022A61F2002/2817A61C8/0013A61C8/0024A61K38/18A61K45/06
Inventor M·吕策N·卡拉齐万
Owner DENTSPLY SIRONA INC
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