Average value full-mouth toothless tray

By setting up the maxillary tiles and mandibular tiles on the lower end face of the full-mouth toothless tray, the width and height tend to be the average height and width of the normal dentition, the problem of poor adaptability of the existing full-mouth toothless tray in the oral cavity of the elderly is solved, and the accuracy of the model and the design quality of the full-mouth denture are improved.

CN222584700UActive Publication Date: 2025-03-11卢号旗
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Patent Information

Application Number
CN202421088362.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-05-20
Publication Date
2025-03-11
Estimated Expiration
2034-05-20

AI Technical Summary

Technical Problem

The existing full-mouthed toothless trays are not adaptable to the oral cavity of the elderly, and most of them are hand-held, and the model cannot be taken in normal occlusal state, resulting in inaccuracy of anatomical marks and model edges.

Method used

An average full-mouth toothless tray is designed, and the maxillary tilt and mandible tilt are arranged along the arc direction of the lower end faces of the maxillary tilt and mandible tilt, and the width and height of the maxillary tilt and mandible tilt tend to be the average height and width of the normal dentition, allowing the patient to take the model in a normal occlusal state.

Benefits of technology

Improve the accuracy of anatomical marks and the accuracy of model edges, so that the design and production of full dentures are more accurate, suitable for the oral structure of Chinese people.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses an average value whole mouth edentulous tray, including maxillary tray and mandibular tray, maxillary tray includes arc maxillary support plate, mandibular tray includes arc mandibular support plate, the lower end face of arc maxillary support plate is equipped with the maxillary dike that is used for abutting with patient's mandibular along its arc direction, and the lower end face of arc maxillary support plate is equipped with the mandibular dike that is used for abutting with patient's mandibular. A lower jaw dike used for abutting against the upper jaw of a patient is arranged on the lower end face of the arc-shaped lower jaw supporting plate in the arc direction of the arc-shaped lower jaw supporting plate. The upper jaw dike used for abutting against the lower jaw of the patient is arranged on the lower end face of the upper jaw tray in the arc direction of the upper jaw tray, the lower jaw dike used for abutting against the upper jaw of the patient is arranged on the lower end face of the lower jaw tray in the arc direction of the lower jaw tray, and the widths and heights of the upper jaw dike and the lower jaw dike both tend to the average height and width of normal dentition. Therefore, the patient can take the model in a normal occlusion state, the accuracy of the anatomical marker is improved, and the accuracy of the model edge is improved.
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Description

Technical Field

[0001] The utility model belongs to the technical field of medical appliances, in particular to an average value full-mouth edentulous tray. Background Art

[0002] The production of full-mouth dentures requires a suitable full-mouth tray. The average full-mouth edentulous tray is designed by taking the average value of the inter-jaw distance of edentulous patients. With the help of the patient's own bite, the impression material is quickly and evenly compressed, and the impression material flows to every corner, so that a more accurate and suitable full-mouth model can be obtained.

[0003] At present, the full-mouth edentulous trays introduced from abroad have the problem of poor adaptability to the oral cavity of the elderly in my country. In addition, most of the existing commonly used full-mouth edentulous trays are handheld, and the doctor presses the tray to achieve the impression of the impression material. Eating is chewing. Chewing awakens the vitality of the brain and prevents brain aging. Only by tasting food and enjoying life with high-quality full-mouth dentures can the elderly feel the happiness of life. Patients suffering from edentulous jaws are eagerly looking forward to high-quality medical services. Find a full-mouth tray suitable for Chinese people, take out more accurate impressions, take out the anatomical landmarks and suitable base edges we need, and a suitable full-mouth edentulous tray provides possibilities for more elderly patients without open bite.

[0004] Based on the deficiencies in the prior art, the utility model discloses an average value full-mouth edentulous tray, by setting a maxillary ridge for abutting against the patient's mandible along the arc direction on the lower end surface of the maxillary tray, and setting a mandibular ridge for abutting against the patient's maxilla along the arc direction on the lower end surface of the mandibular tray, and the width and height of the maxillary ridge and the mandibular ridge tend to the average height and width of the normal dentition, so that the patient can take the model in a normal occlusal state, thereby improving the accuracy of the anatomical landmarks and the accuracy of the model edge. Utility Model Content

[0005] In view of the shortcomings of the prior art, the purpose of the utility model is to provide an average value full mouth edentulous tray to solve the technical problems raised in the background technology.

[0006] The utility model provides the following technical solutions:

[0007] An average value full mouth edentulous tray comprises an upper jaw tray and a lower jaw tray, wherein the upper jaw tray comprises an arc-shaped upper jaw support plate, and the lower jaw tray comprises an arc-shaped lower jaw support plate, wherein the lower end surface of the arc-shaped upper jaw support plate is provided with an upper jaw ridge along its arc direction for abutting against the patient's lower jaw, and the lower end surface of the arc-shaped lower jaw support plate is provided with a lower jaw ridge along its arc direction for abutting against the patient's upper jaw.

[0008] Preferably, the outer edge of the upper end surface of the arc-shaped maxillary support plate is provided with a maxillary outer cheek wall inclined upward, and the inner edge of the upper end surface of the arc-shaped maxillary support plate is provided with a tongue baffle. The arc-shaped maxillary support plate, the maxillary outer cheek wall and the tongue baffle together form a first arc-shaped receiving groove for placing the impression material, and the maxillary dam is located below the first arc-shaped receiving groove.

[0009] Preferably, the arc-shaped maxillary support plate, the maxillary outer cheek wall and the tongue baffle are integrally formed, and a plurality of first overflow holes are respectively provided on the arc-shaped maxillary support plate, the maxillary outer cheek wall and the tongue baffle.

[0010] Preferably, the first overflow hole is a circular hole with a diameter of 1.5-2.5 mm.

[0011] Preferably, the outer edge of the upper end surface of the arc-shaped mandibular support plate is inclined upward to provide a mandibular outer cheek wall, and the inner edge of the upper end surface of the arc-shaped mandibular support plate is inclined upward to provide a mandibular inner cheek wall, and the arc-shaped mandibular support plate, the mandibular outer cheek wall and the mandibular inner cheek wall together form a second arc-shaped receiving groove for placing the impression material, and the mandibular dam is located below the second arc-shaped receiving groove.

[0012] Preferably, the arc-shaped mandibular support plate, mandibular outer cheek wall and mandibular inner cheek wall are integrally formed, and a plurality of second overflow holes are respectively provided on the arc-shaped mandibular support plate, mandibular outer cheek wall and mandibular inner cheek wall.

[0013] Preferably, the second overflow hole is a circular hole with a diameter of 1.5-2.5 mm.

[0014] Preferably, the maxillary dam includes a first maxillary dam section, which is arranged at the middle position of the lower end surface of the arc-shaped maxillary support plate, and the second maxillary dam sections are symmetrically arranged at both ends of the first maxillary dam section, and the third maxillary dam sections are symmetrically arranged at the other ends of the two second maxillary dam sections, and the fourth maxillary dam sections are symmetrically arranged at the other ends of the two third maxillary dam sections.

[0015] Preferably, the widths of the first maxillary embankment segment, the second maxillary embankment segment, the third maxillary embankment segment and the fourth maxillary embankment segment increase in sequence.

[0016] Preferably, the width of the first maxillary embankment segment is 2-4mm, preferably 3mm; the width of the second maxillary embankment segment is 4-6mm, preferably 5mm; the width of the third maxillary embankment segment is 6-8mm, preferably 7mm; the width of the fourth maxillary embankment segment is 7-9mm, preferably 8mm.

[0017] Preferably, the heights of the first maxillary embankment segment, the second maxillary embankment segment, the third maxillary embankment segment and the fourth maxillary embankment segment decrease in sequence.

[0018] Preferably, the height of the first maxillary embankment segment is 8-10mm, preferably 9mm; the height of the second maxillary embankment segment is 7-9mm, preferably 8mm; the height of the third maxillary embankment segment is 6-8mm, preferably 7mm; the height of the fourth maxillary embankment segment is 5-7mm, preferably 6mm.

[0019] Preferably, the first maxillary dyke segment is tilted forward at a certain angle.

[0020] Preferably, the first maxillary ridge segment is inclined forward at an angle of 10-20 degrees, preferably 15 degrees.

[0021] Preferably, the mandibular embankment includes a first mandibular embankment section, the first mandibular embankment section is arranged in the middle position of the lower end surface of the arc-shaped mandibular support plate, the two ends of the first mandibular embankment section are symmetrically provided with second mandibular embankment sections, the other ends of the two second mandibular embankment sections are symmetrically provided with third mandibular embankment sections, and the other ends of the two third mandibular embankment sections are symmetrically provided with fourth mandibular embankment sections.

[0022] Preferably, the widths of the first mandibular embankment segment, the second mandibular embankment segment, the third mandibular embankment segment and the fourth mandibular embankment segment increase in sequence.

[0023] Preferably, the width of the first mandibular embankment segment is 2-4mm, preferably 3mm; the width of the second mandibular embankment segment is 4-6mm, preferably 5mm; the width of the third mandibular embankment segment is 6-8mm, preferably 7mm; the width of the fourth mandibular embankment segment is 7-9mm, preferably 8mm.

[0024] Preferably, the first mandibular embankment segment, the second mandibular embankment segment, the third mandibular embankment segment, and the fourth mandibular embankment segment are of the same height.

[0025] Preferably, the height of the first mandibular ridge section is 7-9 mm, preferably 8 mm.

[0026] Preferably, the first mandibular ridge section is tilted forward at a certain angle.

[0027] Preferably, the first mandibular ridge section is inclined forward at an angle of 10-20 degrees, preferably 15 degrees.

[0028] Compared with the prior art, the utility model has the following beneficial effects:

[0029] The utility model discloses an average value full-mouth edentulous tray, wherein a maxillary ridge for contacting with the patient's mandible is arranged along the arc direction on the lower end surface of the maxillary tray, and a mandibular ridge for contacting with the patient's maxilla is arranged along the arc direction on the lower end surface of the mandibular tray, and the width and height of the maxillary ridge and the mandibular ridge are close to the average height and width of the normal dentition, so that the patient can take the model in the state of normal occlusion, thereby improving the accuracy of the anatomical landmarks and the accuracy of the model edge. BRIEF DESCRIPTION OF THE DRAWINGS

[0030] In order to more clearly illustrate the technical solution of the implementation mode of the utility model, the drawings required for use in the implementation mode are briefly introduced below. It should be understood that the following drawings only show certain embodiments of the utility model and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other relevant drawings can be obtained based on these drawings without paying creative work.

[0031] Figure 1 It is a three-dimensional schematic diagram of the maxillary tray of the utility model.

[0032] Figure 2 The utility model is a schematic diagram of the lower end surface structure of the arc-shaped maxillary support plate.

[0033] Figure 3 It is a three-dimensional schematic diagram of the mandibular tray of the present utility model.

[0034] Figure 4 The utility model is a schematic diagram of the lower end surface structure of the arc-shaped mandibular support plate. DETAILED DESCRIPTION

[0035] In order to make the purpose, technical solution and advantages of the implementation of the utility model clearer, the technical solution in the implementation of the utility model will be clearly and completely described below in conjunction with the drawings in the implementation of the utility model. Obviously, the described implementation is only a part of the implementation of the utility model, not all of the implementations. Based on the implementation of the utility model, all other implementations obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0036] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention, but merely represents selected embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0037] See also Figure 1-4As shown, an average value full-mouth edentulous tray includes a maxillary tray 1 and a mandibular tray 2, wherein the maxillary tray 1 includes an arc-shaped maxillary support plate 11, and the mandibular tray 2 includes an arc-shaped mandibular support plate 21, and the lower end surface of the arc-shaped maxillary support plate 11 is provided with a maxillary ridge 3 for contacting with the patient's mandible along its arc direction, and the lower end surface of the arc-shaped mandibular support plate 21 is provided with a mandibular ridge 4 for contacting with the patient's maxilla along its arc direction. By providing a maxillary ridge for contacting with the patient's mandible along its arc direction on the lower end surface of the maxillary tray, and providing a mandibular ridge for contacting with the patient's maxilla along its arc direction on the lower end surface of the mandibular tray, and the width and height of the maxillary ridge and the mandibular ridge are both close to the average height and width of the normal dentition, so that the patient can bite in a very natural and relaxed state, and the anatomical landmarks of the model will be more accurate, and the edge of the model will be more accurate. Only with a good model can a more suitable full-mouth denture be made.

[0038] The outer edge of the upper end surface of the arc-shaped maxillary support plate 11 is inclined upwardly provided with a maxillary outer cheek wall 12, and the inner edge of the upper end surface of the arc-shaped maxillary support plate 11 is provided with a tongue baffle 13. The arc-shaped maxillary support plate 11, the maxillary outer cheek wall 12, and the tongue baffle 13 together form a first arc-shaped receiving groove for placing impression materials, and the maxillary ridge 3 is located below the first arc-shaped receiving groove. The impression material is placed in the first arc-shaped receiving groove for making an impression of the patient's maxilla. When making an impression of the maxilla, the maxillary ridge 3 below the first arc-shaped receiving groove contacts and abuts against the patient's lower jaw under the patient's occlusion. The patient bites in a very natural and relaxed state, so that the maxillary model will be more accurate.

[0039] The arc-shaped maxillary support plate 11, the maxillary outer cheek wall 12, and the tongue baffle 13 are integrally formed, and are respectively provided with a plurality of first overflow holes 14. The first overflow holes 14 are circular holes with a diameter of 1.5-2.5 mm.

[0040] The outer edge of the upper end face of the arc-shaped mandibular support plate 21 is inclined upwardly provided with a mandibular outer cheek wall 22, and the inner edge of the upper end face of the arc-shaped mandibular support plate 21 is inclined upwardly provided with a mandibular inner cheek wall 23. The arc-shaped mandibular support plate 21, the mandibular outer cheek wall 22, and the mandibular inner cheek wall 23 together form a second arc-shaped receiving groove for placing impression materials, and the mandibular dam 4 is located below the second arc-shaped receiving groove. The mandibular tray 2 needs to be inverted when used, and the impression material is placed in the second arc-shaped receiving groove for making an impression of the patient's mandible. When making an impression of the mandible, the mandibular dam 4 above the second arc-shaped receiving groove contacts and abuts against the patient's upper jaw under the patient's occlusion. The patient bites in a very natural and relaxed state, so that the mandibular model will be more accurate.

[0041] The arc-shaped mandibular support plate 21, the mandibular outer cheek wall 22, and the mandibular inner cheek wall 23 are integrally formed, and a plurality of second overflow holes 24 are respectively provided on the arc-shaped mandibular support plate 21, the mandibular outer cheek wall 22, and the mandibular inner cheek wall 23. The second overflow holes 24 are circular holes with a diameter of 1.5-2.5 mm.

[0042] The end of the maxillary outer cheek wall 12 away from the arc-shaped maxillary support plate 11 is also provided with a plurality of first arc-shaped notches 5 along its arc direction. The first arc-shaped notches 5 can avoid the position of the lip frenulum and cheek frenulum, thereby improving the comfort of the patient during the impression.

[0043] The mandibular outer cheek wall 22 is also provided with a plurality of second arc-shaped notches along its arc direction at one end away from the arc-shaped mandibular support plate 21. The second arc-shaped notches can also avoid the position of the lip frenulum and cheek frenulum, thereby improving the comfort of the patient during the impression.

[0044] The maxillary embankment 3 includes a first maxillary embankment section 31, which is arranged at the middle position of the lower end surface of the arc-shaped maxillary support plate 11, and the two ends of the first maxillary embankment section 31 are symmetrically provided with second maxillary embankment sections 32, the other ends of the two second maxillary embankment sections 32 are symmetrically provided with third maxillary embankment sections 33, and the other ends of the two third maxillary embankment sections 33 are symmetrically provided with fourth maxillary embankment sections 34. The first maxillary embankment section 31 is used to simulate the front teeth of human upper teeth, and the front teeth of upper teeth have the characteristics of small width, high height and forward inclination. The fourth maxillary embankment section 34 is used to simulate the rearmost teeth of human upper teeth, and the rearmost teeth of upper teeth have the characteristics of large width and low height.

[0045] The widths of the first maxillary embankment segment 31 , the second maxillary embankment segment 32 , the third maxillary embankment segment 33 , and the fourth maxillary embankment segment 34 increase in sequence.

[0046] The width of the first maxillary embankment segment 31 is 2-4 mm, preferably 3 mm; the width of the second maxillary embankment segment 32 is 4-6 mm, preferably 5 mm; the width of the third maxillary embankment segment 33 is 6-8 mm, preferably 7 mm; the width of the fourth maxillary embankment segment 34 is 7-9 mm, preferably 8 mm.

[0047] The heights of the first maxillary embankment segment 31 , the second maxillary embankment segment 32 , the third maxillary embankment segment 33 , and the fourth maxillary embankment segment 34 decrease in sequence.

[0048] The height of the first maxillary embankment segment 31 is 8-10 mm, preferably 9 mm; the height of the second maxillary embankment segment 32 is 7-9 mm, preferably 8 mm; the height of the third maxillary embankment segment 33 is 6-8 mm, preferably 7 mm; the height of the fourth maxillary embankment segment 34 is 5-7 mm, preferably 6 mm.

[0049] The first maxillary embankment section 31 is tilted forward at a certain angle. The tilted forward angle of the first maxillary embankment section 31 is 10-20 degrees, preferably 15 degrees.

[0050] The mandibular embankment 4 includes a first mandibular embankment section 41, which is arranged at the middle position of the lower end surface of the arc-shaped mandibular support plate 21, and the two ends of the first mandibular embankment section 41 are symmetrically provided with second mandibular embankment sections 42, the other ends of the two second mandibular embankment sections 42 are symmetrically provided with third mandibular embankment sections 43, and the other ends of the two third mandibular embankment sections 43 are symmetrically provided with fourth mandibular embankment sections 44. The first mandibular embankment section 41 is used to simulate the front teeth of human lower teeth, and the front teeth of the lower teeth have the characteristics of being small in width and tilted forward. The fourth mandibular embankment section 44 is used to simulate the rearmost teeth of human lower teeth, and the rearmost teeth of the lower teeth have the characteristics of being large in width and the lower teeth of human beings have the characteristics of being highly consistent.

[0051] The widths of the first mandibular embankment section 41 , the second mandibular embankment section 42 , the third mandibular embankment section 43 , and the fourth mandibular embankment section 44 increase in sequence.

[0052] The width of the first mandibular embankment section 41 is 2-4mm, preferably 3mm; the width of the second mandibular embankment section 42 is 4-6mm, preferably 5mm; the width of the third mandibular embankment section 43 is 6-8mm, preferably 7mm; the width of the fourth mandibular embankment section 44 is 7-9mm, preferably 8mm.

[0053] The first mandibular embankment section 41 , the second mandibular embankment section 42 , the third mandibular embankment section 43 , and the fourth mandibular embankment section 44 have the same height.

[0054] The height of the first mandibular ridge section 41 is 7-9 mm, preferably 8 mm.

[0055] The first mandibular embankment section 41 is tilted forward at a certain angle. The tilted forward angle of the first mandibular embankment section 41 is 10-20 degrees, preferably 15 degrees.

[0056] The above is only a preferred implementation of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent substitutions or changes within the technical scope disclosed by the present invention according to the technical solution and inventive concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. An average full-mouth edentulous tray, comprising an upper jaw tray (1) and a lower jaw tray (2), wherein the upper jaw tray (1) comprises an arc-shaped upper jaw support plate (11), and the lower jaw tray (2) comprises an arc-shaped lower jaw support plate (21), characterized in that: The lower end surface of the arc-shaped maxillary support plate (11) is provided with a maxillary ridge (3) along its arc direction for contacting with the patient's mandible, and the lower end surface of the arc-shaped mandibular support plate (21) is provided with a mandibular ridge (4) along its arc direction for contacting with the patient's maxilla.

2. The average full-mouth edentulous tray according to claim 1, characterized in that: The maxillary embankment (3) comprises a first maxillary embankment section (31), wherein the first maxillary embankment section (31) is arranged at the middle position of the lower end surface of the arc-shaped maxillary support plate (11), and second maxillary embankment sections (32) are symmetrically arranged at both ends of the first maxillary embankment section (31), and third maxillary embankment sections (33) are symmetrically arranged at the other ends of the two second maxillary embankment sections (32), and fourth maxillary embankment sections (34) are symmetrically arranged at the other ends of the two third maxillary embankment sections (33).

3. The average full-mouth edentulous tray according to claim 2, characterized in that: The widths of the first maxillary embankment segment (31), the second maxillary embankment segment (32), the third maxillary embankment segment (33), and the fourth maxillary embankment segment (34) increase in sequence.

4. The average full-mouth edentulous tray according to claim 3, characterized in that: The heights of the first maxillary embankment segment (31), the second maxillary embankment segment (32), the third maxillary embankment segment (33), and the fourth maxillary embankment segment (34) decrease in sequence.

5. The average full-mouth edentulous tray according to claim 4, characterized in that: The first maxillary dyke section (31) is tilted forward at a certain angle.

6. The average full-mouth edentulous tray according to claim 1, characterized in that: The mandibular embankment (4) comprises a first mandibular embankment section (41), wherein the first mandibular embankment section (41) is arranged at the middle position of the lower end surface of the arc-shaped mandibular support plate (21), and second mandibular embankment sections (42) are symmetrically arranged at both ends of the first mandibular embankment section (41), and third mandibular embankment sections (43) are symmetrically arranged at the other ends of the two second mandibular embankment sections (42), and fourth mandibular embankment sections (44) are symmetrically arranged at the other ends of the two third mandibular embankment sections (43).

7. The average full-mouth edentulous tray according to claim 6, characterized in that: The widths of the first mandibular embankment section (41), the second mandibular embankment section (42), the third mandibular embankment section (43), and the fourth mandibular embankment section (44) increase in sequence.

8. The average full-mouth edentulous tray according to claim 7, characterized in that: The first mandibular embankment segment (41), the second mandibular embankment segment (42), the third mandibular embankment segment (43), and the fourth mandibular embankment segment (44) are of the same height.