CA2764626A1 - Dental retention systems - Google Patents

Dental retention systems Download PDF

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Publication number
CA2764626A1
CA2764626A1 CA2764626A CA2764626A CA2764626A1 CA 2764626 A1 CA2764626 A1 CA 2764626A1 CA 2764626 A CA2764626 A CA 2764626A CA 2764626 A CA2764626 A CA 2764626A CA 2764626 A1 CA2764626 A1 CA 2764626A1
Authority
CA
Canada
Prior art keywords
abutment
shape memory
memory elements
energy
oral appliance
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CA2764626A
Other languages
French (fr)
Other versions
CA2764626C (en
Inventor
Young Seo
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
RODO MEDICAL Inc
Original Assignee
RODO MEDICAL Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by RODO MEDICAL Inc filed Critical RODO MEDICAL Inc
Publication of CA2764626A1 publication Critical patent/CA2764626A1/en
Application granted granted Critical
Publication of CA2764626C publication Critical patent/CA2764626C/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61CDENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
    • A61C8/00Means to be fixed to the jaw-bone for consolidating natural teeth or for fixing dental prostheses thereon; Dental implants; Implanting tools
    • A61C8/0048Connecting the upper structure to the implant, e.g. bridging bars
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61CDENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
    • A61C8/00Means to be fixed to the jaw-bone for consolidating natural teeth or for fixing dental prostheses thereon; Dental implants; Implanting tools
    • A61C8/0048Connecting the upper structure to the implant, e.g. bridging bars
    • A61C8/005Connecting devices for joining an upper structure with an implant member, e.g. spacers
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61CDENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
    • A61C8/00Means to be fixed to the jaw-bone for consolidating natural teeth or for fixing dental prostheses thereon; Dental implants; Implanting tools
    • A61C8/0048Connecting the upper structure to the implant, e.g. bridging bars
    • A61C8/005Connecting devices for joining an upper structure with an implant member, e.g. spacers
    • A61C8/0062Catch or snap type connection
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61CDENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
    • A61C8/00Means to be fixed to the jaw-bone for consolidating natural teeth or for fixing dental prostheses thereon; Dental implants; Implanting tools
    • A61C8/0048Connecting the upper structure to the implant, e.g. bridging bars
    • A61C8/005Connecting devices for joining an upper structure with an implant member, e.g. spacers
    • A61C8/0065Connecting devices for joining an upper structure with an implant member, e.g. spacers with expandable or compressible means
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61CDENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
    • A61C8/00Means to be fixed to the jaw-bone for consolidating natural teeth or for fixing dental prostheses thereon; Dental implants; Implanting tools
    • A61C8/0048Connecting the upper structure to the implant, e.g. bridging bars
    • A61C8/005Connecting devices for joining an upper structure with an implant member, e.g. spacers
    • A61C8/0066Connecting devices for joining an upper structure with an implant member, e.g. spacers with positioning means
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61CDENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
    • A61C8/00Means to be fixed to the jaw-bone for consolidating natural teeth or for fixing dental prostheses thereon; Dental implants; Implanting tools
    • A61C8/0048Connecting the upper structure to the implant, e.g. bridging bars
    • A61C8/0075Implant heads specially designed for receiving an upper structure
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61CDENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
    • A61C8/00Means to be fixed to the jaw-bone for consolidating natural teeth or for fixing dental prostheses thereon; Dental implants; Implanting tools
    • A61C8/0089Implanting tools or instruments
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61CDENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
    • A61C13/00Dental prostheses; Making same
    • A61C13/225Fastening prostheses in the mouth
    • A61C13/235Magnetic fastening
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61CDENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
    • A61C2201/00Material properties
    • A61C2201/007Material properties using shape memory effect

Abstract

Dental retention systems which facilitate the adjustment or removal of an oral appliance, e.g., a crown or bridge, from a reconfigurable abutment assembly are described. The adjustable abutment assembly may be secured to an anchoring implant bored into the bones within the mouth. The abutment assembly has a projecting abutment portion with one or more shape memory alloy compression plates or elements extending along the projecting abutment portion. Each of the plates has a length with one or more straightened portions and with at least one curved or arcuate portion. Energy may be applied to the elements such that the arcuate portion self-flattens to allow for the oral appliance to be placed thereupon while removal of the energy allows the elements to reconfigure into its curved configuration thereby locking the oral appliance to the abutment. Removal of the oral appliance may be effected by reapplication of energy to the elements.

Claims (28)

What is claimed is:
1.A retention system for an oral appliance, comprising:
an abutment configured to be secured within a mouth of a patient;
one or more shape memory elements secured along the abutment with each element having a portion which extends radially relative to the abutment when the elements are in a locking configuration, and wherein the one or more shape memory elements are secured against the oral appliance when in the locking configuration and are actuatable upon application of energy to transition from low-profile configuration where each portion remains retracted to the radially extended looking configuration.
2. The system of claim 1 wherein the oral appliance comprises it least one crown or bridge defining a receiving channel for positioning upon the abutment.
3. The system of claim 2 wherein the receiving channel within the crown or bridge defines a widened diameter corresponding to a diameter defined by the locking configuration.
4. The system of claim 1 further comprising an implant configured to bored into a bone of the mouth and defining a channel for securement to the abutment.
5. The system of claim 1 further comprising an upper retaining plate attached to the one or more shape memory elements.
6. The system of claim 5 wherein the one or more shape memory elements are attached to the abutment at a lower retaining portion.
7. The system of claim 1 wherein the one or more shape memory elements comprise a nickel-titanium alloy.
8. The system of claim 1 wherein the one or more shape memory elements comprise lead contacts.
9. The system of claim 8 wherein each of the one or more shape memory elements are electrically coupled to one another.
10. The system of claim 1 further comprising an energy source for applying the energy to the one or more shape memory elements.
11. The system of claim 10 wherein the energy source further comprises a controller.
12. The system of claim 10 wherein the energy source is electrically coupled to the one or more shape memory elements.
13. The system of claim 10 wherein the energy source comprises an oscillating circuit.
14. The system of claim 10 wherein the energy source is configured to form an oscillating magnetic field applied to the one or more elements.
15. The system of claim 10 wherein the energy source is positioned within or along a housing configured as a mouthpiece positioned in proximity to the oral appliance.
16. A method of retaining an oral appliance, comprising:
anchoring an abutment within a mouth of a patient;
positioning the oral appliance upon the abutment;
applying energy to one or more shape memory elements secured along the abutment with each element having a portion which extends radially relative to the abutment when the elements are in a locking configuration; and, reconfiguring the one or more shape memory elements from a low-profile configuration where each portion remains retracted to the locking configuration where each of the portions extend radially relative to the abutment into securement against an internal surface of the oral appliance.
17. The method of claim 16 wherein anchoring an abutment comprises securing the abutment to an implant bored into a bone of the patient.
18. The method of claim 16 wherein applying energy comprises applying an electrical current to the one or more shape memory elements.
19. The method of claim 16 wherein applying energy comprises applying an oscillating magnetic field to the one or more shape memory elements.
20. The method of claim 16 wherein positioning the oral appliance comprises positioning a crown or bridge defining a receiving channel upon the abutment.
21. The method of claim 16 wherein reconfiguring comprises applying the energy to the one or more shape memory elements.
22. The method of claim 16 wherein reconfiguring comprises compressing each of the portions against a widened diameter along the internal surface.
23. The method of claim 16 further comprising reapplying energy to the one or more shape memory elements such that each of the portions are straightened to release the oral appliance from the abutment.
24. A retention system for an oral appliance, comprising:
an abutment configured to be secured within a mouth of a patient;
one or more shape memory elements secured along the abutment with each element having a portion which extends radially relative to the abutment when the elements are in a locking configuration; and an oral appliance defining a receiving channel for positioning upon the abutment, wherein the one or more shape memory elements are secured against the receiving channel when in the locking configuration and are actuatable upon application of energy to transition from a low-profile configuration where each portion remains retracted to the radially extended locking configuration.
23. The system of claim 24 wherein the oral appliance comprises at least one crown or bridge.
26. The system of claim 24 further comprising a power source for applying the energy to the one or more shape memory elements.
27. The system of claim 24 further comprising a plurality of abutments which are connected to one another via across-bar.
28. The method of claim 16 wherein applying energy comprises contacting the one or more shape memory elements with thermal or electrical energy.
CA2764626A 2009-07-16 2010-07-07 Dental retention systems Expired - Fee Related CA2764626C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US12/504,561 US8047844B2 (en) 2009-07-16 2009-07-16 Dental rentention systems
US12/504,561 2009-07-16
PCT/US2010/041227 WO2011008605A1 (en) 2009-07-16 2010-07-07 Dental retention systems

Publications (2)

Publication Number Publication Date
CA2764626A1 true CA2764626A1 (en) 2011-01-20
CA2764626C CA2764626C (en) 2012-09-11

Family

ID=43449694

Family Applications (1)

Application Number Title Priority Date Filing Date
CA2764626A Expired - Fee Related CA2764626C (en) 2009-07-16 2010-07-07 Dental retention systems

Country Status (10)

Country Link
US (8) US8047844B2 (en)
EP (3) EP2453826B1 (en)
JP (1) JP5026627B1 (en)
KR (1) KR101236095B1 (en)
CN (1) CN102470022B (en)
AU (1) AU2010273675B2 (en)
CA (1) CA2764626C (en)
ES (2) ES2593796T3 (en)
HK (1) HK1232114A1 (en)
WO (1) WO2011008605A1 (en)

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Also Published As

Publication number Publication date
ES2593796T3 (en) 2016-12-13
US20150004564A1 (en) 2015-01-01
WO2011008605A1 (en) 2011-01-20
ES2550315T3 (en) 2015-11-06
US8678822B2 (en) 2014-03-25
EP2453826B1 (en) 2015-10-07
HK1232114A1 (en) 2018-01-05
JP2012532734A (en) 2012-12-20
US20130011812A1 (en) 2013-01-10
AU2010273675A1 (en) 2012-03-08
EP2453826A4 (en) 2012-11-28
CN102470022A (en) 2012-05-23
US20180092718A1 (en) 2018-04-05
JP5026627B1 (en) 2012-09-12
EP3120806A1 (en) 2017-01-25
US20140199656A1 (en) 2014-07-17
US9855120B2 (en) 2018-01-02
EP2453826A1 (en) 2012-05-23
AU2010273675B2 (en) 2014-12-04
US8403668B2 (en) 2013-03-26
US20120064479A1 (en) 2012-03-15
US20110014585A1 (en) 2011-01-20
CA2764626C (en) 2012-09-11
KR101236095B1 (en) 2013-02-21
US20130224686A1 (en) 2013-08-29
EP2944287A1 (en) 2015-11-18
EP2944287B1 (en) 2016-09-14
KR20120063472A (en) 2012-06-15
US8221118B2 (en) 2012-07-17
US8845329B2 (en) 2014-09-30
US20110123945A1 (en) 2011-05-26
US8047844B2 (en) 2011-11-01
CN102470022B (en) 2013-12-25
US8109764B2 (en) 2012-02-07

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Effective date: 20200831