Non-custom dental treatment trays having improved anatomical features
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
A61C-003/00
A61C-009/00
A61C-005/00
출원번호
US-0742080
(2013-01-15)
등록번호
US-8721332
(2014-05-13)
발명자
/ 주소
Fischer, Dan E.
Allred, Peter M.
Jessop, Neil T.
McLean, Bruce S.
출원인 / 주소
Ultradent Products, Inc.
대리인 / 주소
Workman Nydegger
인용정보
피인용 횟수 :
3인용 특허 :
141
초록▼
A non-custom, dental tray device includes a moisture-resistant barrier layer having a labial-buccal wall, a lingual wall, and a bottom wall. The dental tray device includes at least one of the following structural features to enhance the fit of the device; (1) the bottom wall includes an abrupt redu
A non-custom, dental tray device includes a moisture-resistant barrier layer having a labial-buccal wall, a lingual wall, and a bottom wall. The dental tray device includes at least one of the following structural features to enhance the fit of the device; (1) the bottom wall includes an abrupt reduction of width at a location corresponding to where the first bicuspid meets the canine; (2) a bottom wall in the posterior region having a width that is equal to or less than the width of the bottom wall in the anterior region, with no lingual wall in the posterior region; or (3) a transition portion between the bottom wall and either the labial-buccal wall or the lingual wall has a larger radius of curvature as compared to a radius of curvature at a transition portion between the bottom wall the other of the labial-buccal wall and the lingual wall.
대표청구항▼
1. A pre-shaped, non-customized dental tray device suitable for placement over at least a portion of a person's dental arch, the dental tray device comprising: a generally horseshoe-shaped moisture resistant barrier layer configured to substantially correspond to the curvature of a person's dental a
1. A pre-shaped, non-customized dental tray device suitable for placement over at least a portion of a person's dental arch, the dental tray device comprising: a generally horseshoe-shaped moisture resistant barrier layer configured to substantially correspond to the curvature of a person's dental arch and having sufficient flexibility without heating in boiling water so as to readily conform to a plurality of differently sized dental arches corresponding to different people without customization;the barrier layer having an anterior region that at least partially covers anterior teeth surfaces when worn and a posterior region that at least partially covers posterior teeth surfaces when worn;the barrier layer being substantially devoid of structures corresponding to the size and shape of a person's unique dentition so that the barrier layer is designed to comfortably fit over a plurality of differently-sized and/or shaped teeth corresponding to different people; andthe barrier layer having a labial-buccal wall in the posterior and anterior regions, a lingual wall in the anterior region but not the posterior region, and a bottom wall interposed between the labial-buccal wall and the lingual wall in the anterior region and extending laterally relative to the labial-buccal wall in the posterior region, wherein a width of the bottom wall in the posterior region is equal to or less than a width of the bottom wall in the anterior region. 2. A pre-shaped, non-customized dental tray device as in claim 1, wherein the dental tray device is configured for placement over the upper dental arch and wherein the width of the bottom wall in the anterior region is between about 1 and about 3 mm. 3. A pre-shaped, non-customized dental tray device as in claim 1, wherein the dental tray device is configured for placement over the upper dental arch and wherein the width of the bottom wall in the anterior region is about 1.5 mm. 4. A pre-shaped, non-customized dental tray device as in claim 1, wherein the dental tray device is configured for placement over the lower dental arch and wherein the width of the bottom wall in the anterior region is between about 1 and about 4 mm. 5. A pre-shaped, non-customized dental tray device as in claim 1, wherein the dental tray device is configured for placement over the lower dental arch and wherein the width of the bottom wall in the anterior region is about 2.5 mm. 6. A pre-shaped, non-customized dental tray device as in claim 1, wherein the barrier layer has a thickness less than about 2 mm. 7. A pre-shaped, non-customized dental tray device as in claim 1, wherein the barrier layer has a thickness less than about 1 mm. 8. A pre-shaped, non-customized dental tray device as in claim 1, wherein the barrier layer has a thickness less than about 0.5 mm. 9. A pre-shaped, non-customized dental tray device as in claim 1, wherein the barrier layer comprises at least one material selected from the group consisting of polyolefins, polyethylene (PE), high density polyethylene (HDPE), low density polyethylene (LDPE), ultra low density polyethylene (ULDPE), polypropylene, polytetrafluoroethylene (PTFE), waxes, paraffins, metal foils, ethylene-vinyl acetate copolymers (EVA), ethylene-vinyl alcohol copolymers (EVAL), polycaprolactone (PCL), polyvinyl chloride (PVC), polyesters, polyethylene terephthalate (PET), polycarbonates, polyamides, polyurethanes, and polyesteramides. 10. A pre-shaped, non-customized dental tray device as in claim 9, wherein the barrier layer comprises multiple layers comprising two or more of the at least one material. 11. A pre-shaped, non-customized dental tray device as in claim 9, wherein the barrier layer comprises a polymeric blend. 12. A pre-shaped, non-customized dental tray device as in claim 9, wherein the barrier layer comprises a blend of polyolefin and paraffin wax. 13. A pre-shaped, non-customized dental tray device as in claim 9, further comprising at least one of a plasticizer, flow additive, or filler to modify properties of one or more polymer materials forming the barrier layer. 14. A pre-shaped, non-customized dental tray device as defined in claim 1, wherein the barrier layer comprises at least one member selected from the group consisting of cellulosic ethers, cellulose acetate, polyvinyl acetate, polyvinyl alcohol, shellac, chemical-cure materials, light-cure materials, methacrylate resins, acrylate resins. 15. A pre-shaped, non-customized dental tray device as in claim 1, wherein the lingual wall further includes a notch positioned so that the dental tray device more easily spreads open or compresses in a region near a person's incisors. 16. A pre-shaped, non-customized dental tray device as in claim 1, further comprising a support skeleton positionable adjacent to the barrier layer prior to placement over the person's teeth so as to help maintain the barrier layer in a tray-like configuration and/or facilitate placement of the barrier layer over the person's teeth. 17. A pre-shaped, non-customized dental treatment device, comprising: a dental tray device composed of: a generally horseshoe-shaped moisture resistant barrier layer configured to substantially correspond to the curvature of a person's dental arch and having sufficient flexibility without heating in boiling water so as to readily conform to a plurality of differently sized dental arches corresponding to different people without customization;the barrier layer having an anterior region that at least partially covers anterior teeth surfaces when worn and a posterior region that at least partially covers posterior teeth surfaces when worn;the barrier layer being substantially devoid of structures corresponding to the size and shape of a person's unique dentition so that the barrier layer is designed to comfortably fit over a plurality of differently-sized and/or shaped teeth corresponding to different people; andthe barrier layer having a labial-buccal wall in the posterior and anterior regions, a lingual wall in the anterior region but not the posterior region, and a bottom wall interposed between the labial-buccal wall and the lingual wall in the anterior region and extending laterally relative to the labial-buccal wall in the posterior region, wherein a width of the bottom wall in the posterior region is equal to or less than a width of the bottom wall in the anterior region; anda dental treatment composition adjacent to the dental tray device. 18. A pre-shaped, non-customized dental treatment device as in claim 17, wherein the dental treatment composition comprises a sticky viscous gel, a less viscous gel, a highly viscous putty, or a substantially solid adhesive composition that is less adhesive prior to being moistened with saliva or water but that becomes more sticky and adhesive when moistened. 19. A pre-shaped, non-customized dental treatment device as in claim 17, wherein the dental treatment composition comprises at least one active agent selected from the group consisting of dental bleaching agents, dental desensitizing agents, antimicrobial agents, and anticariogenic agents. 20. A dental tray device kit comprising: a first dental tray device configured for placement over at least a portion of a person's lower dental arch comprising: a generally horseshoe-shaped moisture resistant barrier layer configured to substantially correspond to the curvature of a person's lower dental arch and having sufficient flexibility without heating in boiling water so as to readily conform to a plurality of differently sized lower dental arches corresponding to different people without customization;the barrier layer having an anterior region that at least partially covers anterior teeth surfaces when worn and a posterior region that at least partially covers posterior teeth surfaces when worn;the barrier layer being substantially devoid of structures corresponding to the size and shape of a person's unique dentition so that the barrier layer is designed to comfortably fit over a plurality of differently-sized and/or shaped teeth of lower dental arches corresponding to different people; andthe barrier layer having a labial-buccal wall in the posterior and anterior regions, a lingual wall in the anterior region but not the posterior region, and a bottom wall interposed between the labial-buccal wall and the lingual wall in the anterior region and extending laterally relative to the labial-buccal wall in the posterior region, wherein a width of the bottom wall in the posterior region is equal to or less than a width of the bottom wall in the anterior region; anda second dental tray device configured for placement over at least a portion of a person's upper dental arch comprising: a generally horseshoe-shaped moisture resistant barrier layer configured to substantially correspond to the curvature of a person's upper dental arch and having sufficient flexibility without heating in boiling water so as to readily conform to a plurality of differently sized upper dental arches corresponding to different people without customization;the barrier layer having an anterior region that at least partially covers anterior teeth surfaces when worn and a posterior region that at least partially covers posterior teeth surfaces when worn;the barrier layer being substantially devoid of structures corresponding to the size and shape of a person's unique dentition so that the barrier layer is designed to comfortably fit over a plurality of differently-sized and/or shaped teeth of upper dental arches corresponding to different people; andthe barrier layer having a labial-buccal wall in the posterior and anterior regions, a lingual wall in the anterior region but not the posterior region, and a bottom wall interposed between the labial-buccal wall and the lingual wall in the anterior region and extending laterally relative to the labial-buccal wall in the posterior region, wherein a width of the bottom wall in the posterior region is equal to or less than a width of the bottom wall in the anterior region.
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