WO2015182684A1 - 咬合採得用具 - Google Patents
咬合採得用具 Download PDFInfo
- Publication number
- WO2015182684A1 WO2015182684A1 PCT/JP2015/065340 JP2015065340W WO2015182684A1 WO 2015182684 A1 WO2015182684 A1 WO 2015182684A1 JP 2015065340 W JP2015065340 W JP 2015065340W WO 2015182684 A1 WO2015182684 A1 WO 2015182684A1
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- WO
- WIPO (PCT)
- Prior art keywords
- plate
- curved plate
- occlusal
- occlusal acquisition
- tool
- Prior art date
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Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
- A61C9/00—Impression cups, i.e. impression trays; Impression methods
- A61C9/0006—Impression trays
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
- A61C19/00—Dental auxiliary appliances
- A61C19/04—Measuring instruments specially adapted for dentistry
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
- A61C19/00—Dental auxiliary appliances
- A61C19/04—Measuring instruments specially adapted for dentistry
- A61C19/05—Measuring instruments specially adapted for dentistry for determining occlusion
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
- A61C9/00—Impression cups, i.e. impression trays; Impression methods
Definitions
- the present invention relates to an occlusal acquisition tool that accurately and easily acquires an occlusal position during dental treatment.
- an impression is first taken of the upper and lower jaw ridges, and a plaster model in the oral cavity is prepared from this impression. Then, an occlusal floor is prepared with a base plate and a wax bank using a plaster model, and adjustment is performed using this to match the patient's occlusion. At this time, the adjustment is performed while referring to the impression obtained by transferring the occlusal state of the patient obtained by the occlusal acquisition. Thereafter, a dental prosthesis such as a complete denture is produced by a normal procedure such as arranging artificial teeth. Thereby, the patient's biting is reproduced, and a dental prosthesis that can be worn and used more comfortably is produced.
- the occlusal acquisition performed here requires skill and experience, and there is a great difference between the surgeons. There was a problem that a new complete denture and the like were to be made again after obtaining the occlusion.
- Patent Document 1 discloses a jig in which a plurality of dummy teeth having a standard shape of anterior teeth are integrated in order to obtain more accurate occlusion. According to this, it is said that the median or the occlusal plane can be accurately determined by attaching the jig to the occlusal floor at the time of occlusal acquisition.
- an object of the present invention is to provide an occlusal acquisition tool capable of appropriately adjusting the inclination of the instrument during occlusal acquisition and enabling accurate occlusal acquisition.
- the present invention relates to a curved plate-like rear curved surface plate (21) to be disposed between a patient's lip and chin and a predetermined gap so that one plate surface faces the rear curved surface plate. And a plate-shaped front curved surface plate (25) to be disposed in front of the lips, and protrudes from the other curved surface of the front curved plate.
- the occlusal acquisition tool is provided with ridges (26, 27) extending in a predetermined direction.
- At least two ridges (26, 27) may be provided in directions orthogonal to each other.
- the ridge is used at the time of occlusion acquisition, and this ridge is compared with the patient's nose, eyes, ears, etc., and the horizontal, vertical, etc. are confirmed from the positional relationship. be able to. As a result, it is possible to prevent inconvenience due to an unintended inclination at the time of occlusal acquisition and to perform accurate occlusion acquisition.
- FIG.1 (a) is a perspective view of the bite acquisition tool 10
- FIG.1 (b) is a perspective view of the bite acquisition tool 10 seen from the other direction.
- 2A is an exploded perspective view of the occlusal acquisition tool 10 viewed from the same viewpoint as FIG. 1A
- FIG. 2B is an exploded perspective view of the occlusal acquisition tool 10 viewed from the same viewpoint as FIG.
- FIG. 1 is a plan view of an occlusal acquisition tool 10.
- FIG. 3 is an exploded plan view of the occlusal acquisition tool 10.
- FIG. 1 is a front view of an occlusal acquisition tool 10.
- FIG. 1 is a cross-sectional view of an occlusal acquisition tool 10.
- FIG. It is a top view in the other posture of occlusal acquisition tool 10. It is a figure explaining the scene which performs occlusal acquisition using the occlusal acquisition tool.
- FIG. 1 is an external perspective view of an occlusal acquisition tool 10 according to one embodiment.
- FIG. 1A is a perspective view seen from one viewpoint
- FIG. 1B is a perspective view seen from another viewpoint.
- 2 is an exploded perspective view of the occlusal acquisition tool 10
- FIG. 2 (a) is a view from the same viewpoint as FIG. 1 (a)
- FIG. 2 (b) is a view from the same viewpoint as FIG. 1 (b).
- 3 is a plan view of the occlusal acquisition tool 10
- FIG. 4 is an exploded plan view from the same viewpoint as FIG.
- FIG. 5 is a view seen from the direction indicated by the arrow V in FIG. 6 is a cross-sectional view taken along arrow VI-VI in FIG.
- the occlusal acquisition tool 10 includes a main body 20 and an adjusting shaft 40.
- the main body 20 is a member formed so as to hold the occlusal acquisition tool 10 at an appropriate position of the oral cavity, and includes a rear-side curved plate 21, a front-side curved plate 25, and a connecting portion 30. Yes. Further, the main body 20 is formed with a through hole 35 that penetrates the rear curved surface plate 21, the front curved surface plate 25, and the connecting portion 30 with one linear shaft.
- the posterior curved plate 21 is a plate-like member disposed between the upper and lower jaw ridges and the cheek (lip) in the oral cavity, and one plate surface is concave and the other is corresponding to the intraoral shape of this part. It is made into the shape curved in the shape of a bow so that a board surface may become convex. Since the rear-side curved plate 21 is disposed in the oral cavity, the plate width is preferably narrowed toward the end in the bending direction, and in addition to this, the plate is formed so as to be narrowed at the central portion in the bending direction. More preferably.
- the back side curved board 21 is arrange
- the resistance can be reduced when the rear curved surface plate 21 is disposed in the oral cavity.
- the rear curved plate 21 is provided with a ridge 22 (concave surface side) and a ridge 23 (convex surface side), which are projections extending along the curve direction, on the front and back plate surfaces, respectively. ing. It is preferable that the protrusions 22 and 23 extend in parallel to the bending direction.
- the positions of the ridges 22 and 23 in the direction perpendicular to the curve direction of the rear curved plate 21 are not particularly limited, but the through holes are seen in plan view (viewpoint in FIG. 5).
- the position is preferably the same as the 35 axis.
- the length, width, and protruding height of the protrusions 22 and 23 are not particularly limited, but the length reaches both ends of the rear curved surface plate 21 in the bending direction, and the width and protruding height are about 1 mm. It's okay.
- the protrusions 22 and 23 are not necessarily provided.
- the front curved surface plate 25 is a plate-like member arranged with a predetermined gap with respect to the rear curved surface plate 21, and in this embodiment, one plate surface is concave and the other plate surface is convex.
- the shape is curved like an arc.
- the front-side curved plate 25 is arranged so that the concave-side surface thereof faces the convex-side surface of the rear-side curved plate 21. Further, since the upper and lower lips are arranged between the front curved plate 25 and the rear curved plate 21, the gap between the two is formed to be larger than the thickness of a general lip. .
- the front curved surface plate 25 is elliptical when viewed from the front (viewpoint in FIG. 5).
- the front curved surface plate 25 is provided with a ridge 26 which is a protrusion extending along the curve direction on at least a convex surface (a surface opposite to the side facing the rear curved surface plate 21). It has been. It is preferable that this protrusion 26 extends in parallel with the bending direction. Thus, as will be described later, it can be used as an index for adjusting the inclination of the occlusal acquisition tool 10 during occlusal acquisition. Further, the protrusion 26 also functions as a rib that reinforces the front curved plate 25 and suppresses the front curved plate 25 from being bent.
- the position of the protrusion 26 in the direction orthogonal to the bending direction of the front curved plate 25 is not particularly limited, but the axis of the through hole 35 in a plan view (viewpoint in FIG. 5). It is preferable that it is the same position. In this case, it is aligned with the protrusion 23 of the rear curved plate 21 in plan view (viewpoint in FIG. 5).
- the front curved plate 25 is a protrusion that is a protrusion extending along a direction orthogonal to the direction of the curve on at least a convex surface (a surface opposite to the side facing the rear curved plate 21).
- 27 is provided.
- the protrusions 27 are preferably orthogonal to the bending direction and extend in a direction orthogonal to the protrusions 26 in plan view (viewpoint in FIG. 5).
- the position of the protrusion 27 in the bending direction of the front-side curved plate 25 (left and right direction in FIG. 5) is not particularly limited, but at the same position as the axis of the through hole 35 in plan view (viewpoint in FIG. 5). Preferably there is.
- the ridge 27 can be used to align the median line at the time of occlusion acquisition.
- the length, width, and protrusion height of the protrusions 26 and 27 are not particularly limited, but the length reaches the end of the front curved plate 25, and the width and protrusion height may be about 1 mm. .
- the connecting portion 30 is a member that connects the front curved plate 25 and the rear curved plate 21 so as to maintain the positional relationship described above, and the front curved plate 25 and the rear curved plate 21 are orthogonal to the bending direction. They are connected at the center of the direction (vertical direction from the viewpoint of FIG. 5). Thus, a gap for arranging the lips is formed between the front curved plate 25 and the rear curved plate 21 when the occlusal acquisition tool 10 is used.
- the through hole 35 is a hole that penetrates the front curved surface plate 25, the connecting portion 30, and the rear curved surface plate 21 along one linear axis, and is large enough to allow the shaft portion 41 of the adjustment shaft 40 to penetrate. And has a cross section of shape. Moreover, it is preferable that the through-hole 35 is provided in the bottom part (convex part top part) of the concave side of the curve of the front side curved plate 25 and the rear side curved plate 21.
- the main body 20 is sandwiched between soft upper and lower lips, it is preferably formed of a material such as a resin having both softness and strength. Moreover, since it is arrange
- the adjusting shaft 40 is a member that moves the position of the tongue holding portion 42 included therein, and includes a shaft portion 41 and a tongue holding portion 42.
- the shaft portion 41 is a rod-like member that holds the tongue holding portion 42 in the main body 20 movably, and has a cross-sectional size and shape that penetrates the through-hole 35 described above.
- the specific cross-sectional shape is not particularly limited, but in this embodiment, the cross-sectional shape is U-shaped, and two plates with one surface facing each other and extending in parallel are end-to-end with another plate. It is the shape connected by.
- the length of the shaft portion 41 is formed so as to penetrate the through-hole 35, and one end thereof protrudes from the rear curved plate 21 and the other end protrudes from the front curved plate 25.
- the tongue holding part 42 is a container-like (saddle-like) member arranged at the end on the rear curved plate 21 side among the ends of the shaft part 41, and the top of the protruding side of the tongue holding part 42 is the shaft part. It is arranged at the end of 41.
- the shaft portion 41 does not come out of the through hole 35 at the end portion protruding from the front curved plate 25 side.
- a retainer (not shown) may be formed.
- the specific mode of retaining is not particularly limited, for example, a part of the end is formed thick, a protrusion is provided, or an annular rubber is disposed.
- the end portion of the shaft portion 41 opposite to the side on which the tongue holding portion 42 is disposed, and the end portion protruding from the front curved plate 25 side is the front side in a plan view (viewpoint in FIG. 5).
- a cutout 41 a may be provided at the same position as the protrusion 26 of the curved plate 25. Thereby, when adjusting the inclination by the ridge 26, the ridge 26 can be easily seen through the notch 41a even if the shaft portion 41 is present.
- the material constituting the adjustment shaft 40 can be the same as that of the main body 20 described above.
- the tongue holding portion 42 is moved by moving the shaft portion 41 of the adjustment shaft 40 in the axial direction within the through hole 35, and the rear The relative position with respect to the side curved plate 21 can be changed.
- the occlusal acquisition tool 10 can be used as follows, for example.
- the impression material 1 is placed between the posterior curved plate 21 and the tongue holding part 42 as shown in FIG. Insert into the patient's mouth.
- the impression material 1 is more firmly held by the shape of the protrusion 22 of the rear curved surface plate 21 and the above-described cross section (U-shaped cross section) of the shaft portion 41.
- the patient closes the mouth so that the connecting portion 30 between the rear curved plate 21 and the front curved plate 25 of the main body 20 is sandwiched between the upper and lower lips, and the impression material 1 is placed between the upper and lower jaw ridges. Fill.
- the rear curved surface plate 21 is disposed so as to be sandwiched between the lip and the chin ridge, and the front curved surface plate 25 is disposed in contact with the lip and exposed in front of the face.
- the occlusal acquisition tool 10 uses the protrusions 26 and 27 of the front curved surface plate 25 arranged outside the oral cavity, and the protrusions 26 and 27 are compared with the patient's nose, eyes, ears, and the like.
- the horizontal and vertical directions can be confirmed from the positional relationship and the like can be adjusted.
- alignment of the median line by the ridges 27 can be performed.
- the patient places the tip of the tongue inside the container shape of the tongue holding part 42.
- the tongue holding part 42 can move, the patient can place the tongue in a more natural position, and the occlusal state becomes a more natural state. Therefore, more accurate occlusion can be obtained.
- an intraoral impression model and an occlusal floor arranged on the oral model are prepared in advance according to a normal method and installed in an articulator. And based on the impression obtained by the above-mentioned occlusal acquisition, the size and position of the artificial teeth are determined and arranged to produce a denture.
- the previously obtained impression of the upper and lower ridges in the oral cavity and the impression obtained by occlusion are converted into electronic data by three-dimensional shape measurement, and the size of the artificial tooth is calculated on a computer.
- the sheath position may be determined, and then the denture may be produced by an NC machine tool or the like.
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Dentistry (AREA)
- Epidemiology (AREA)
- Animal Behavior & Ethology (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Biomedical Technology (AREA)
- Biophysics (AREA)
- Engineering & Computer Science (AREA)
- Dental Tools And Instruments Or Auxiliary Dental Instruments (AREA)
Abstract
Description
これら図からわかるように咬合採得用具10は、本体20及び調整用軸40を有して構成されている。
また、後方側曲面板21にはその表裏の板面のそれぞれに、湾曲の方向に沿って延びる突起である突条22(凹状面側)、及び突条23(凸状面側)が設けられている。この突条22、23は湾曲方向に平行に延びることが好ましい。さらに後方側曲面板21の湾曲方向に直交する方向(図5の紙面上下方向)における突条22、23の位置は特に限定されることはないが、平面視(図5の視点)で貫通孔35の軸線と同じ位置であることが好ましい。
突条22、23の長さ、幅、及び突出高さは特に限定されることはないが、長さは後方側曲面板21の湾曲方向両端部にまで達し、幅及び突出高さは1mm程度でよい。
なお、突条22、23は必ずしも設けられている必要はない。
また、前方側曲面板25には少なくとも凸状となる側の面(後方側曲面板21に対向する側とは反対側の面)に湾曲の方向に沿って延びる突起である突条26が設けられている。この突条26は湾曲方向に平行に延びることが好ましい。これにより後述するように咬合採得時において咬合採得用具10の傾きを調整する指標とすることができる。また、突条26は前方側曲面板25を補強するリブとしても機能し、前方側曲面板25が撓むことを抑制する。
前方側曲面板25の湾曲方向に直交する方向(図5の紙面上下方向)における突条26の位置は特に限定されることはないが、平面視(図5の視点)で貫通孔35の軸線と同じ位置であることが好ましい。この場合には平面視(図5の視点)で後方側曲面板21の突条23と一直線になる。
突条26、27の長さ、幅、及び突出高さは特に限定されることはないが、長さは前方側曲面板25の端部にまで達し、幅及び突出高さは1mm程度でよい。
軸部41の長さは貫通孔35を貫通して、その一端が後方側曲面板21から突出するとともに、他端が前方側曲面板25から突出するように形成されている。
また、軸部41の端部のうち舌保持部42が配置された側とは反対側で、前方側曲面板25側から突出した端部には、平面視(図5の視点)において前方側曲面板25の突条26と同じ位置に切り欠き41aが設けられてもよい。これにより突条26により傾きを調整する際に軸部41があっても切り欠き41aを通して突条26が見易くなる。
10 咬合採得用具
20 本体
21 後方側曲面板
22 突条
23 突条
25 前方側曲面板
26 突条
27 突条
30 連結部
35 貫通孔
40 調整用軸
41 軸部
42 舌保持部
Claims (2)
- 患者の口唇と顎堤の間に配置されるべき湾曲した板状の後方側曲面板と、
前記後方側曲面板に対して一方の板面を対向するように所定の間隙を有して配置され、口唇に接して前方に配置されるべき板状の前方側曲面板と、を有し、
前記前方側曲面板の板面のうち、他方の板面には突出して所定の方向に延びる突条が設けられている、咬合採得用具。 - 前記突条は、互いに直交する方向に少なくとも2つ設けられている請求項1に記載の咬合採得用具。
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201580015586.1A CN106102652B (zh) | 2014-05-29 | 2015-05-28 | 咬合采样用具 |
JP2016523548A JP6373983B2 (ja) | 2014-05-29 | 2015-05-28 | 咬合採得用具 |
KR1020167025968A KR101879523B1 (ko) | 2014-05-29 | 2015-05-28 | 교합 채득 용구 |
US15/306,857 US20170049541A1 (en) | 2014-05-29 | 2015-05-28 | Bite registration tool |
EP15799466.6A EP3150165B1 (en) | 2014-05-29 | 2015-05-28 | Dental occlusion sampling tool |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2014-111662 | 2014-05-29 | ||
JP2014111662 | 2014-05-29 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2015182684A1 true WO2015182684A1 (ja) | 2015-12-03 |
Family
ID=54699007
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2015/065340 WO2015182684A1 (ja) | 2014-05-29 | 2015-05-28 | 咬合採得用具 |
Country Status (6)
Country | Link |
---|---|
US (1) | US20170049541A1 (ja) |
EP (1) | EP3150165B1 (ja) |
JP (1) | JP6373983B2 (ja) |
KR (1) | KR101879523B1 (ja) |
CN (1) | CN106102652B (ja) |
WO (1) | WO2015182684A1 (ja) |
Citations (5)
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US2418648A (en) * | 1943-10-13 | 1947-04-08 | Clifford S Kile | Method and apparatus for producing artificial dentures |
JP2006305125A (ja) * | 2005-04-28 | 2006-11-09 | Toshizumi Hino | バイトフォーク及びこれを備えた下顎運動測定装置並びにこれを備えた診断支援システム又は診断支援システムを用いた咬合状態の再現方法 |
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US20130280672A1 (en) * | 2010-11-03 | 2013-10-24 | Global Dental Science, LLC | Combination Tool For Anatomical Measurement for Denture Manufacture |
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2015
- 2015-05-28 JP JP2016523548A patent/JP6373983B2/ja active Active
- 2015-05-28 WO PCT/JP2015/065340 patent/WO2015182684A1/ja active Application Filing
- 2015-05-28 EP EP15799466.6A patent/EP3150165B1/en active Active
- 2015-05-28 KR KR1020167025968A patent/KR101879523B1/ko active IP Right Grant
- 2015-05-28 US US15/306,857 patent/US20170049541A1/en not_active Abandoned
- 2015-05-28 CN CN201580015586.1A patent/CN106102652B/zh active Active
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Publication number | Priority date | Publication date | Assignee | Title |
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US2418648A (en) * | 1943-10-13 | 1947-04-08 | Clifford S Kile | Method and apparatus for producing artificial dentures |
JP2006305125A (ja) * | 2005-04-28 | 2006-11-09 | Toshizumi Hino | バイトフォーク及びこれを備えた下顎運動測定装置並びにこれを備えた診断支援システム又は診断支援システムを用いた咬合状態の再現方法 |
WO2008043056A2 (en) * | 2006-10-07 | 2008-04-10 | Voxelogix Corporation | Surgical guides and methods for positioning artificial teeth and dental implants |
US20130280672A1 (en) * | 2010-11-03 | 2013-10-24 | Global Dental Science, LLC | Combination Tool For Anatomical Measurement for Denture Manufacture |
WO2013135927A1 (es) * | 2012-03-16 | 2013-09-19 | Universidad Del Pais Vasco - Euskal Herriko Unibertsitatea | Procedimiento de captación de información para el despliegue virtual y dispositivo asociado al mismo |
Also Published As
Publication number | Publication date |
---|---|
EP3150165B1 (en) | 2019-05-08 |
JPWO2015182684A1 (ja) | 2017-04-20 |
CN106102652B (zh) | 2018-05-04 |
EP3150165A1 (en) | 2017-04-05 |
EP3150165A4 (en) | 2018-01-10 |
JP6373983B2 (ja) | 2018-08-15 |
CN106102652A (zh) | 2016-11-09 |
US20170049541A1 (en) | 2017-02-23 |
KR20160124212A (ko) | 2016-10-26 |
KR101879523B1 (ko) | 2018-07-17 |
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