JP2011083568A - Method of recording and reproducing reference line of face including dentistry region - Google Patents

Method of recording and reproducing reference line of face including dentistry region Download PDF

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JP2011083568A
JP2011083568A JP2009253470A JP2009253470A JP2011083568A JP 2011083568 A JP2011083568 A JP 2011083568A JP 2009253470 A JP2009253470 A JP 2009253470A JP 2009253470 A JP2009253470 A JP 2009253470A JP 2011083568 A JP2011083568 A JP 2011083568A
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midline
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bow
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JP5360584B2 (en
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Katamasa Miyamoto
容正 宮本
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Abstract

<P>PROBLEM TO BE SOLVED: To solve the problem, wherein in the conventional face bow transfer, a problem is caused in reproduction of beauty so that sometimes prosthetic material not matching masque such as median line shifting and inclination of a pupil line is supplied to cause troubles. <P>SOLUTION: A median line recorder is suitable for an articulator for reproducing lower jaw movement, and the median line recorder mounted to a pole vertically extended from an index pin and always parallel to the index pin and turning and moving right and left is provided on the front of the face bow body. This reproduction of the reference line of the face is characterized by recording the recorded median line in an incisal pole of the articulator. Alternatively a median line reproducing bar (plate) is provided turnable to the right and left in the center of a pupil line display part (an eye-points parallel checker), which is this inventor's patent, and the reference line of the face is reproduced by recording either the recorded pupil line or median line in an incisal pole of an articulator. <P>COPYRIGHT: (C)2011,JPO&INPIT

Description

本発明は、フェイス・ボウ・トランスファーによる歯列模型の咬合器への装着に際し、口腔内と顔面の位置関係を忠実に記録、再現するための装置及びその方法に関するものである。ここで言う咬合器とはアルコン型やコンダイラー型は問わない。The present invention relates to an apparatus and method for faithfully recording and reproducing the positional relationship between an oral cavity and a face when a dental model is mounted on an articulator by face-bow transfer. The articulator mentioned here may be an arcon type or a condyler type.

有歯顎、無歯顎を問わず補綴物の製作または、咬合診断、治療計画を立案する場合に咬合器が用いられている。咬合器は、ヒトの頭蓋の下半分の動きを機械的に再現するための器械であり、上下顎歯列模型を生体と同じ位置関係に固定し、チェックバイト法等を用いることで下顎運動を再現させることができる。Articulators are used for making prostheses, occlusal diagnoses, and treatment plans regardless of whether they have toothed or edentulous jaws. The articulator is a machine that mechanically reproduces the movement of the lower half of the human cranium. The upper and lower jaw dentition model is fixed in the same positional relationship as the living body, and the mandibular movement is performed by using the check bite method etc. Can be reproduced.

補綴物の製作、咬合診断、治療計画の立案する場合、咬合器に口腔内と同じ位置関係で上顎歯列模型を装着する必要があり、フェイス・ボウ・トランスファーを行うことが必要不可欠な作業となる。フェイス・ボウ・トランスファーには、ヒンジボウとシンプルボウ（フェイス・ボウ）があり、日常の臨床においてはシンプルボウが広く利用されている。シンプルボウを用いフェイス・ボウ・トランスファーを行うことにより、生体の左右の顎関節と上顎の歯列、又はろう堤を介して上顎の顎堤の位置関係を立体的に咬合器上に口腔内と同じ位置関係で上顎の歯列模型をマウントする器具であり術式も容易でなる。When creating a prosthesis, making an occlusion diagnosis, and planning a treatment plan, it is necessary to attach the maxillary dentition model to the articulator in the same positional relationship as in the oral cavity, and performing face, bow, and transfer is indispensable. Become. The face bow transfer includes a hinge bow and a simple bow (face bow), and the simple bow is widely used in daily clinical practice. By performing face-to-bow transfer using a simple bow, the positional relationship between the left and right temporomandibular joints and the maxillary dentition or the maxillary ridge via the wax ridge is three-dimensionally placed on the articulator and into the oral cavity. It is a device that mounts the maxillary dentition model in the same positional relationship, and the surgical procedure is also easy.

上下顎歯列の構築にあたっては、咬合が最も肝要であるが、審美性も重要な役割を果たすことが知られている。ところが、従来のシンプルボウを用いたフェイス・ボウ・トランスファーでは、単に生体の顎関節と上顎歯列弓の位置関係を咬合器上に口腔内と同じ位置関係で装着できるように再現するだけであり、顔面の情報はほとんど取得できないのが実情であった。咬合の再構築に当たり大部分の人が正中線や瞳孔線と言う顔面の基準線と咬合平面の開始点である上顎の両中切歯を一致さすことができなかった為、咬合器上で製作した補綴物と顔面の基準線が微妙にずれその結果、審美性が損なわれトラブルの原因の一つとなっていた。In constructing the upper and lower jaw dentition, occlusion is the most important, but aesthetics are also known to play an important role. However, the conventional face-bow transfer using a simple bow simply reproduces the positional relationship between the temporomandibular joint and the upper dental arch so that it can be mounted on the articulator in the same positional relationship as in the oral cavity. The fact is that almost no facial information can be obtained. When reconstructing the occlusion, most people were unable to match the midline and pupil line facial reference lines with the maxillary central incisors that are the starting point of the occlusal plane. The reference line between the prosthesis and the face is slightly shifted, resulting in a loss of aesthetics and one of the causes of trouble.

特許第４２２１２０９号Japanese Patent No. 4221209 特許第４３４２８８８号Japanese Patent No. 4342888

「アルコントラッキング型半調節性咬合器 デナー：トラックＩＩ咬合器 使用説明書」株式会社ヨシダ Ｐ５−Ｐ９“Alcon Tracking Semi-Adjustable Articulator Denner: Instruction Manual for Track II Articulator” Yoshida Corporation P5-P9 「ホビーシステム使用マニュアル」株式会社シオダ、株式会社モリタ Ｐ１０−Ｐ１３"Hobby system use manual" Shioda Co., Ltd. Morita P10-P13

以上に述べた従来のシンプルボウでは顔面の情報を記録することができない。（非特許文献１、２参照）The conventional simple bow described above cannot record facial information. (See Non-Patent Documents 1 and 2)

そこで本発明者は下顎運動を再現させる為の器具の一つであるシンプルボウを用い、シンプルボウ本体の正面にインデックスピン（別名：トランスファーピン等）から垂直に延びたポールにインデックスピンと平行で左右に回動、移動が可能なポールに取り付けた正中線記録具を備えたこと。若しくは、下顎運動を再現させる為の器具の一つであるシンプルボウを用い、シンプルボウ本体の正面にインデックスピンから垂直に延びたポールにインデックスピンと平行で左右に回動、移動が可能なポールに瞳孔線表示部（特許文献１参照）の中央に左右に回動可能な正中線再現棒（板）を備え、記録した瞳孔線と正中線のいずれか、若しくはその両方を咬合器のインサイザルポールに記録するのを特徴とした顔面の基準線を再現するのを目的とした装置とその方法である。Therefore, the present inventor uses a simple bow which is one of the instruments for reproducing the mandibular movement, and a pole extending vertically from an index pin (also called a transfer pin, etc.) on the front of the simple bow main body is parallel to the index pin and left and right. Equipped with a midline recording tool attached to a pole that can be rotated and moved. Or, using a simple bow that is one of the instruments to reproduce the mandibular movement, a pole that extends vertically from the index pin to the front of the simple bow body and can be rotated and moved to the left and right parallel to the index pin In the center of the pupil line display section (see Patent Document 1), there is a midline reproduction rod (plate) that can be rotated to the left and right, and either or both of the recorded pupil line and midline are recorded as an incisal pole of the articulator An apparatus and a method for reproducing a reference line of a face, which is characterized by being recorded on the screen.

課題を解決させるための手段Means for solving the problem

正中線の再現には、シンプルボウを用い、従来通りフェイス・ボウ・トランスファーにより顎関節と上顎の位置関係をインデックスピンとバイトフォークに記録した後（非特許文献１、２参照）、シンプルボウの正面に設けた正中線記録具で正中線を記録し、咬合器のインサイザポールに前頭面から見た正中線の傾斜角を再現する。該インデックスピンと正中線記録具を取り付けたポールは平行になっており、前頭面から見た正中線の傾斜角度は同じであるため該正中線記録具をインサイザルポールにセットすればそのまま正中線保存具となる。また、正中線記録具を約９０度回動さすことで瞳孔線記録具と瞳孔線保存具にもなる。To reproduce the midline, use a simple bow and record the positional relationship between the temporomandibular joint and the upper jaw on the index pin and bite fork by face-bow transfer as before (see Non-Patent Documents 1 and 2), then the front of the simple bow The midline is recorded with the midline recording tool installed in the center, and the inclination angle of the midline viewed from the frontal plane is reproduced on the insider pole of the articulator. The pole to which the index pin and the midline recording tool are attached is parallel, and since the inclination angle of the midline viewed from the frontal plane is the same, if the midline recording tool is set on the incisal pole, the midline is preserved as it is It becomes a tool. Further, the median line recording device is turned about 90 degrees to become a pupil line recording device and a pupil line storage device.

前頭面の正中線と瞳孔線の再現には、シンプルボウを用い、従来通りフェイス・ボウ・トランスファーにより顎関節と上顎の位置関係をインデックスピンとバイトフォークに記録した後（非特許文献１、２参照）、シンプルボウの正面に設けた瞳孔線表示部（アイポインツパラレルチェッカー）の中央に左右に回動可能な正中線再現棒（板）を追加したアイポインツパラレルチェッカー付属正中線記録具で瞳孔線と正中線のいずれかまたは、両方を記録し、咬合器のインサイザポールに前頭面から見た正中線と瞳孔線の傾斜角を再現する。該インデックスピンとアイポインツパラレルチェッカー付属正中線記録具を取り付けたポールは平行になっており、前頭面から見た正中線と瞳孔線の傾斜角度は同じであるため該アイポインツパラレルチェッカー付属正中線記録具をインサイザルポールにセットすればそのまま正中線と瞳孔線の保存具ともなる。To reproduce the midline and pupillary lines of the frontal surface, use a simple bow and record the positional relationship between the temporomandibular joint and maxilla on the index pin and bite fork by face-bow transfer as before (see Non-Patent Documents 1 and 2). ), Pupil line with eyeliner parallel checker attached midline recording tool with a midline reproduction bar (plate) that can be rotated left and right at the center of the pupilline display (eyepoints parallel checker) provided in front of the simple bow Record one or both of the midline and the midline, and reproduce the tilt angle of the midline and pupil line as seen from the frontal plane on the insider pole of the articulator. The pole on which the index pin and the midline recording tool attached to the eyepoints parallel checker are attached are parallel, and the midline viewed from the frontal surface and the inclination angle of the pupil line are the same, so the midline recording attached to the eyepoints parallel checker If the instrument is set on the incisal pole, it can be used as a storage for the midline and pupil line.

「正中線記録具」とは、シンプルボウ本体の正面にインデックスピンから垂直に延びたポールにインデックスピンと常に平行で左右に回動、移動が可能なポールに取り付け、患者の矢状面に対し線分を含ませるように移動させて正中線を記録する部材をいう。つまり、線分として棒状体などを回動、移動可能に支持し、点ではなく線として記録させるものである。この正中線記録具を設ける位置は、特に限定するものではないが、シンプルボウ本体に装着するバイトフォークの前方部の中心に回動可能に設けるのが好ましい。The “midline recording tool” is a pole that extends perpendicularly from the index pin to the front of the simple bow body, and is attached to a pole that is always parallel to the index pin and can be moved to the left and right. It is a member that records the midline by moving it to include the minute. That is, a rod-like body or the like is supported as a line segment so as to be rotatable and movable, and is recorded as a line instead of a point. The position where the midline recording tool is provided is not particularly limited, but it is preferably provided so as to be rotatable at the center of the front portion of the bite fork attached to the simple bow body.

発明の効果The invention's effect

以上のように本発明に係わる記録方法を用いれば、患者の前頭面から見た正中線や瞳孔線の傾きを咬合器のインサイザルポールに簡単確実に再現させることができ、無歯顎患者や咬合の再構築を行わなければならない口腔内での基準線の失われた患者の治療を極めて効果的に行うことができる。また、上顎中切歯の接点（接線）と前頭面から見た正中線や瞳孔線を一致さすことで審美性を加味することが可能となる。審美性を加味することは、顔貌に調和して見映えがよく、違和感がなくなるなどの美的な面で効果があるのみならず、精神衛生の向上とともに噛み合わせも向上するなど義歯や補綴物の使用に有効となるなど極めて有益な効果を有するものである。As described above, when the recording method according to the present invention is used, the inclination of the median line or pupil line seen from the frontal surface of the patient can be easily and reliably reproduced on the incisal pole of the articulator, It can be very effective in treating patients who have lost their baseline in the oral cavity where occlusal reconstruction has to be performed. In addition, it is possible to add aesthetics by matching the contact point (tangent line) of the maxillary central incisor with the median line or pupil line seen from the frontal plane. Adding aesthetics is not only aesthetically pleasing in harmony with the face, it also eliminates the sense of incongruity, but also improves mental hygiene and improves biting. It has extremely beneficial effects such as being effective for use.

本発明に係るフェイス・ボウの例を示すもので、（ａ）は正中線記録具を設けたものを示す側面図、（ｂ）は（ａ）の使用状態を示す正面図である。The example of the face bow which concerns on this invention is shown, (a) is a side view which shows what provided the midline recording tool, (b) is a front view which shows the use condition of (a). （ａ）本発明に係る正中線記録具の実施の形態の一例を示す側面図、（ｂ）は咬合器にセットして正中線再現具で正中線を再現する状態を示す正面図、（ｃ）は正中線記録具の拡大図である。(A) The side view which shows an example of embodiment of the midline recording tool which concerns on this invention, (b) is a front view which shows the state which sets to an articulator and reproduces a midline with a midline reproduction tool, (c) ) Is an enlarged view of the midline recording tool. 本発明に係るフェイス・ボウの例を示すもので、（ａ）はアイポインツパラレルチェッカー付属正中線記録具を設けたものを示す側面図、（ｂ）は（ａ）の使用状態を示す正面図、（ｃ）はアイポインツパラレルチェッカー付属正中線記録具を咬合器にセットした側面図、（ｄ）はアイポインツパラレルチェッカー付属正中線記録具の斜視図である。The example of the face bow which concerns on this invention is shown, (a) is a side view which shows what provided the midline recording tool attached to an eyepoints parallel checker, (b) is a front view which shows the use condition of (a) (C) is the side view which set the midline recording tool attached to an eyepoints parallel checker to the articulator, (d) is a perspective view of the midline recording tool attached to an eyepoints parallel checker.

以下、本発明を図面に示す発明の実施の形態に基づいて詳細に説明する。Hereinafter, the present invention will be described in detail based on embodiments of the invention shown in the drawings.

図１（ａ）は本発明に係るフェイス・ボウ２の例を示すもので、シンプルボウ本体２１の正面に正中線記録具２４を設けたものである。この正中線記録具２４は、平板２４１と回動可能な軸が中に入った支持部２４２と固定ネジ２４３からなる旗状に構成されるもので、その旗状のものは支持部２４２の中央にあり該軸２４４を支持部２４６を介し上下に移動し、且つシンプルボウ本体２１のインデックスピン２２と垂直で左右に回動、移動が可能な軸２４５と支持部２４７とで常に平行に設けられているのが特徴のフェイス・ボウである。このフェイス・ボウ２は、同図（ｂ）のように患者にシンプルボウ本体２１をセットした段階で、該軸２４４を患者の顔面の中央に合わせ、該軸２４４に正中線記録具２４をセットし、前頭面から見た正中線の傾斜度を記録して固定する。角度の計測には前もって平板２４１を支持部２４２と直行させておき前もってその位置を記録しておき正中線との傾きを分度器等で計測し記録することもできる。また、該軸２４４を患者の顔面の中央に合わせ、該軸２４４に正中線記録具２４の平板２４１を回動可能な軸の入った支持部２４２を約９０度回動させ、前頭面から見た瞳孔線の傾斜度を記録することもできる。FIG. 1A shows an example of the face bow 2 according to the present invention, in which a midline recording tool 24 is provided in front of the simple bow main body 21. The median line recording tool 24 is configured in a flag shape including a support portion 242 having a flat plate 241 and a rotatable shaft inside, and a fixing screw 243, and the flag-like shape is the center of the support portion 242. The shaft 244 can be moved up and down via the support portion 246, and the shaft 245 and the support portion 247 that are vertically movable to the left and right perpendicular to the index pin 22 of the simple bow body 21 and the support portion 247 are always provided in parallel. It is the characteristic face bow. The face bow 2 is set at the stage where the simple bow body 21 is set on the patient as shown in FIG. 4B, and the axis 244 is aligned with the center of the patient's face, and the midline recording tool 24 is set on the axis 244. And record and fix the slope of the midline viewed from the frontal plane. For the angle measurement, the flat plate 241 can be made perpendicular to the support portion 242 in advance and the position thereof can be recorded in advance, and the inclination with the midline can be measured and recorded with a protractor or the like. Further, the shaft 244 is aligned with the center of the patient's face, and the support portion 242 including the shaft capable of rotating the flat plate 241 of the midline recording device 24 is rotated about 90 degrees on the shaft 244 so that it can be viewed from the frontal plane. It is also possible to record the inclination of the pupil line.

図２（ａ）はフェイス・ボウ２に設けた正中線記録具２４で記録した患者の正中線を咬合器Ａ上に再現させるためにセットした正面図で、同図（ｂ）は側面図である。
フェイス・ボウ２に設けた正中線記録具２４で記録した患者の正中線を咬合器Ａ上に再現させるためには、同図（ｂ）に示すようにインサイザルポールＡ２とインデックスピン２２と該軸２４４は常に平行であるため正中線記録具２４に記録した正中線はそのままインサイザルポールＡ２に移行すれば前頭面から見た正中線の傾斜角は咬合器に反映される。よって正中線再現具Ａ１は正中線記録具２４と同一のものでも良く、正中線記録具２４を使用することもできる。
若しくは、咬合器のインサイザルポールＡ２に正中線再現具Ａ１を設置する。正中線再現具Ａ１は、正中線表示部Ａ１１と、該正中線表示部Ａ１１を回動可能な軸が中に入った支持部Ａ１２とインサイザルポール上を上下動するインサイザルポール側の支持部Ａ１４と固定ネジＡ１３によって構成し、該支持部Ａ１４を咬合器ＡのインサイザルポールＡ２に上下動可能に設ける構造としている。このため、本発明に係る正中線再現具Ａ１は、または、正中線記録具２４の該正中線記録部２４１で記録した正中線を正中線表示部Ａ１１と、該正中線表示部Ａ１１を回動可能に支持する支持軸Ａ１２を回動し、該正中線記録部２４１と一致させＡ１４の固定ネジで固定する。または、角度の計測には前もって平板２４１を支持部２４２と直行させておき前もってその位置を記録しておき正中線との傾きを分度器等で計測し記録しておいた数値を用いることもできる。また、フェイス・ボウ２に設けた正中線記録具２４を約９０度回動させ記録した患者の瞳孔線を咬合器Ａ上に再現させるためには、正中線再現具Ａ１は、同図（ｂ）に示すようにインサイザルポールＡ２とインデックスピン２２と該軸２４４は常に平行であるため正中線記録具２４に記録した瞳孔線はそのままインサイザルポールＡ２に移行すれば前頭面から見た瞳孔線の傾斜角は咬合器に反映される。よって正中線再現具Ａ１は正中線記録具２４と同一のものでも良く、正中線記録具２４を使用することもできる。または、正中線記録具２４の該正中線記録部２４１で記録した正中線を正中線表示部Ａ１１と、該正中線表示部Ａ１１を回動可能に支持する支持軸Ａ１２を回動し、該正中線記録部２４１と一致させＡ１４の固定ネジで固定する。FIG. 2 (a) is a front view set in order to reproduce on the articulator A the patient's midline recorded by the midline recording device 24 provided on the face bow 2, and FIG. 2 (b) is a side view. is there.
In order to reproduce on the articulator A the patient's midline recorded by the midline recording tool 24 provided on the face bow 2, as shown in FIG. Since the axis 244 is always parallel, if the midline recorded on the midline recording device 24 is transferred to the insial pole A2 as it is, the inclination angle of the midline viewed from the frontal plane is reflected in the articulator. Therefore, the midline reproduction tool A1 may be the same as the midline recording tool 24, and the midline recording tool 24 can also be used.
Alternatively, the midline reproduction tool A1 is installed on the incisal pole A2 of the articulator. The midline reproduction tool A1 includes a midline display portion A11, a support portion A12 in which a shaft capable of rotating the midline display portion A11 is inserted, and a support portion on the incisal pole side that moves up and down on the incisal pole. The support portion A14 is configured to be provided on the incisal pole A2 of the articulator A so as to be movable up and down. For this reason, the midline reproduction tool A1 according to the present invention or the midline recorded by the midline recording unit 241 of the midline recording tool 24 turns the midline display part A11 and the midline display part A11. The support shaft A12 that can be supported is rotated, is aligned with the midline recording portion 241, and is fixed by the fixing screw A14. Alternatively, the angle can be measured by using a numerical value obtained by making the flat plate 241 perpendicular to the support portion 242 in advance, recording the position in advance, and measuring and recording the inclination of the midline with a protractor or the like. Further, in order to reproduce the pupil line of the patient recorded by rotating the midline recording tool 24 provided on the face bow 2 about 90 degrees, the midline reproduction tool A1 is shown in FIG. ), The incisal pole A2, the index pin 22, and the axis 244 are always parallel, so that the pupil line recorded on the median line recording device 24 can be transferred to the incisal pole A2 as it is and the pupil line viewed from the frontal plane. The inclination angle is reflected in the articulator. Therefore, the midline reproduction tool A1 may be the same as the midline recording tool 24, and the midline recording tool 24 can also be used. Alternatively, the median line recorded by the median line recording unit 241 of the median line recording tool 24 is rotated by rotating the median line display unit A11 and the support shaft A12 that rotatably supports the median line display unit A11. Match with the line recording unit 241 and fix with the A14 fixing screw.

図３（ａ）は本発明に係るフェイス・ボウ２の例を示すもので、シンプルボウ本体２１の正面に瞳孔線再現具に正中線記録装置を付属したアイポインツパラレルチェッカー付属正中線記録具３を設けたものである。このアイポインツパラレルチェッカー付属正中線記録３は、アイポインツパラレルチェッカーの支持軸３５に左右に回動可能な正中線記録棒（板）３２と正中線記録棒支持部３３と正中線記録棒支持部固定ネジ３４と固定ネジ３６、３８、支持部３７から構成されたもので、該軸２４４を上下に移動し、且つシンプルボウ本体２１のインデックスピン２２と常に平行に設けられているのが特徴のフェイス・ボウである。正中線を記録する部材は正中線記録棒３２と正中線記録棒支持部３３と正中線記録棒支持部固定ネジ４４からなる。同図（ｄ）がアイポインツパラレルチェッカー付属正中線記録具４の斜視の写真である。このフェイス・ボウ２は、同図（ｂ）のように患者にシンプルボウ本体２１をセットした段階で、該軸２４４を患者の顔面の中央に合わせ、該軸２４４にアイポインツパラレルチェッカー付属正中線記録具３をセットし、該軸２４４上をアイポインツパラレルチェッカー付属正中線記録具３を上下動させ瞳孔線と同上の高さに持っていき支持部３７を固定ネジ３８で締めて固定し、瞳孔線記録板３１を回動させ瞳孔線を記録した後固定ネジ３６を締めて固定する。その後、該軸２４４上をアイポインツパラレルチェッカー付属正中線記録具３を上方に動かせ固定ネジ３８でアイポインツパラレルチェッカー付属正中線記録具３を該軸２４４に固定し、アイポインツパラレルチェッカー支持軸３５上で正中線記録棒支持部３３を回動させ患者の前頭面から見た正中線と正中線記録棒３２を一致させ、前頭面から見た正中線の傾斜角を正中線記録棒支持部固定ネジ３４を締め固定し記録する。角度の計測には前もって正中線記録棒３２を支持部３７を直行させておき前もってその位置を記録しておき正中線との傾きを分度器等で計測し記録しておくこともできる。FIG. 3A shows an example of the face bow 2 according to the present invention, and a midline recording tool 3 attached to an eye point parallel checker with a midline recording device attached to the pupil line reproduction tool on the front of the simple bow main body 21. Is provided. The midline recording 3 attached to the eyepoints parallel checker includes a midline recording bar (plate) 32, a midline recording bar support 33, and a midline recording bar support that can be rotated left and right on the support shaft 35 of the eyepoints parallel checker. It is composed of a fixing screw 34, fixing screws 36 and 38, and a support portion 37. The shaft 244 is moved up and down and is always provided in parallel with the index pin 22 of the simple bow body 21. It is a face bow. The member for recording the midline comprises a midline recording rod 32, a midline recording rod support portion 33, and a midline recording rod support portion fixing screw 44. FIG. 4D is a perspective view of the midline recording tool 4 attached to the eyepoints parallel checker. The face bow 2 has a simple bow body 21 set on the patient as shown in FIG. 2B, and the axis 244 is aligned with the center of the patient's face, and the axis 244 is a midline with an eyepointer parallel checker. The recording tool 3 is set, and the midline recording tool 3 attached to the eyepoints parallel checker is moved up and down on the shaft 244 to bring it to the same height as the pupil line, and the support part 37 is fastened with the fixing screw 38 and fixed. After the pupil line recording plate 31 is rotated to record the pupil line, the fixing screw 36 is tightened and fixed. Thereafter, the eyeliner parallel checker-attached midline recording tool 3 is moved upward on the shaft 244, and the eyepoints parallel checker-attached midline recording tool 3 is fixed to the shaft 244 with the fixing screw 38, and the eyepoints parallel checker support shaft 35 is fixed. The midline recording rod support 33 is rotated to match the midline seen from the frontal surface of the patient with the midline recording rod 32, and the inclination angle of the midline viewed from the frontal surface is fixed to the midline recording rod support. Tighten the screw 34 and record. For the angle measurement, the midline recording rod 32 can be moved straight on the support portion 37 in advance and the position thereof can be recorded in advance, and the inclination with the midline can be measured and recorded with a protractor or the like.

フェイス・ボウ２に設けたアイポインツパラレルチェッカー付属正中線記録具３で記録した患者の瞳孔線と正中線を咬合器Ａ上に再現させる。このため、本発明に係るアイポインツパラレルチェッカー付属正中線記録具４は、同図（ｃ）に示すようにインサイザルポールＡ２とインデックスピン２２と該軸２４４は常に平行であるためアイポインツパラレルチェッカー付属正中線記録具３に記録した瞳孔線と正中線はそのままインサイザルポールＡ２に移行すれば前頭面から見た正中線と瞳孔線の傾斜角は咬合器に反映される。よって瞳孔線と正中線再現具はアイポインツパラレルチェッカー付属正中線記録具３と同一のものでも良い。The pupil line and the midline of the patient recorded by the midline recording tool 3 attached to the eye point parallel checker provided on the face bow 2 are reproduced on the articulator A. For this reason, the midline recording tool 4 attached to the eyepoints parallel checker according to the present invention has the eyepoints parallel checker because the incisal pole A2, the index pin 22 and the shaft 244 are always parallel as shown in FIG. If the pupil line and the median line recorded in the attached median line recording device 3 are transferred to the incisal pole A2 as they are, the inclination angles of the median line and the pupil line viewed from the frontal plane are reflected in the articulator. Therefore, the pupil line and the midline reproduction tool may be the same as the midline recording tool 3 attached to the eyepoints parallel checker.

通常、咬合器ＡのインサイザルポールＡ２は金属製で断面が円形の棒状でが、図２（ｂ）や図３（ｃ）のインサイザルポールＡ２の一部に平面部Ａ１５を形成し、該支持部Ａ１４がインサイザルポールＡ２周りに回らない構造にするのが好ましい。例えば、インサイザルポールの断面を多角形など断面円形以外の軸を利用したり、断面円形の軸でも平面部や溝などを設けて対処することができる。このようにすれば、該正中線表示部Ａ１１やアイポインツパラレルチェッカー付属正中線記録具３が咬合器Ａに対して常に平行に保持され、再現時の誤差を少なくすることができる。また、インサイザルポールはアクリル等の透明な部材の方が咬合器の正面から見た時正中線再現具Ａ１や正中線記録具２４や正中線記録棒３２が透過してみられるためより望ましい。Usually, the incisal pole A2 of the articulator A is made of a metal and has a circular cross section. However, the planar portion A15 is formed on a part of the incisal pole A2 shown in FIGS. 2B and 3C. It is preferable to adopt a structure in which the support portion A14 does not rotate around the insisal pole A2. For example, the cross-section of the incisal pole can be dealt with by using an axis other than a circular cross section such as a polygon, or by providing a plane portion, a groove or the like even with an axis having a circular cross section. In this way, the midline display unit A11 and the midline recording tool 3 attached to the eye point parallel checker are always held parallel to the articulator A, and errors during reproduction can be reduced. In addition, a transparent member such as acrylic is more preferable for the incisal pole because the midline reproduction tool A1, the midline recording tool 24, and the midline recording rod 32 are seen through when viewed from the front of the articulator.

２ フェイス・ボウ
２１ シンプルボウ本体
２２ インデックスピン（トランスファーピン）
２３ バイトフォーク
２４ 正中線記録具（正中線指示棒）
２４１ 平板
２４２ 回動可能な軸が中に入った支持部
２４３ 固定ネジ
２４４ ２２と平行な軸でまた、２４５と垂直で上下同可能な軸
２４５ ２２と垂直で左右に回動、移動が可能な軸
２４６ ２４４の支持部
２４７ ２４５の支持部
３ アイポインツパラレルチェッカー付属正中線記録具
３１ 瞳孔線記録板
３２ 正中線記録棒（板）
３３ 正中線記録棒支持部
３４ 正中線記録棒支持部固定ネジ
３５ 瞳孔線表示部の支持軸
３６ 瞳孔線表示部の支持軸固定ネジ
３７ ポール側の瞳孔線表示部の支持部
３８ ポール側の瞳孔線表示部の支持部固定ネジ
Ａ 咬合器
Ａ１ 正中線再現具
Ａ１１ 正中線再現具（平板）
Ａ１２ 回動可能な軸が中に入った支持部
Ａ１３ 固定ネジ
Ａ１４ インサイザルポール側の支持部
Ａ１５ 平面部
Ａ２ インサイザルポール
Ａ３ 上顎歯列模型2 Face Bow 21 Simple Bow Body 22 Index Pin (Transfer Pin)
23 Byte fork 24 Midline recording tool (midline indicator)
241 Flat plate 242 Support portion 243 having a rotatable shaft inside 243 A shaft that is parallel to the fixing screw 244 22, and can be rotated and moved to the left and right perpendicular to a shaft 245 22 that is perpendicular to 245 Support part 247 245 support part 3 of shaft 246 244 Midline recording tool 31 pupil line recording plate 32 midline recording bar (plate)
33 Midline recording rod support portion 34 Midline recording rod support portion fixing screw 35 Support shaft 36 for pupil line display portion Support shaft fixing screw 37 for pupil line display portion Support portion 38 for pupil line display portion on pole side Pupil on pole side Supporting screw A for line display part Articulator A1 Midline reproduction tool A11 Midline reproduction tool (flat plate)
A12 Support part A13 in which a rotatable shaft is inserted A13 Fixing screw A14 Support part A15 on the incisal pole side Flat part A2 Incisal pole A3 Maxillary dentition model

Claims (4)

下顎運動を再現させるシンプルボウに用いるものであって本体の正面にインデックスピンから垂直に延びたポールにインデックスピンと常に平行で左右に回動可能なポールに取り付けた左右に回動、移動が可能な正中線記録具を備え、正中線記録具を約９０度回転させることで瞳孔線の記録具として使用することもできることを特徴とするシンプルボウ。  It is used for a simple bow that reproduces the mandibular movement, and it can be rotated and moved left and right attached to a pole that is perpendicular to the index pin on the front of the main body and that is always parallel to the index pin and can be rotated left and right A simple bow comprising a midline recording tool and capable of being used as a pupil line recording tool by rotating the midline recording tool about 90 degrees. フェイス・ボウトランスファーによりシンプルボウに備えた正中線記録具で正中線を記録した後、咬合器のインサイザルポールに該正中線記録具あるいは正中線再現具のいずれかをセットし、該正中線の記録をインサイザルポールに保存するのを特徴とする顔面の基準線の再現方法After recording the midline with the midline recording tool provided on the simple bow by face-bow transfer, set either the midline recording tool or the midline reproduction tool on the incisal pole of the articulator, and the midline A method for reproducing the reference line of the face, characterized in that the record is stored in an incisal pole. シンプルボウ本体の正面にインデックスピンから垂直に延びたポールにインデックスピンと常に平行で左右に回動可能なポールに瞳孔線表示部の中央に左右に回動可能な正中線再現棒を備えたアイポインツパラレルチェッカー付属正中線記録具を備えたことを特徴とするシンプルボウ。  Eyepoints with a pole that extends vertically from the index pin on the front of the simple bow body, a pole that is always parallel to the index pin and that can rotate left and right, and a midline reproduction rod that can rotate left and right in the center of the pupil line display A simple bow featuring a midline recording tool with a parallel checker. フェイス・ボウトランスファーによりシンプルボウに備えたアイポインツパラレルチェッカー付属正中線記録具で正中線と瞳孔線のいずれかまたは、両方を記録した後、咬合器のインサイザルポールに該アイポインツパラレルチェッカー付属正中線記録具セットし、該正中線と瞳孔線のいずれかまたは、両方の記録をインサイザルポールに保存するのを特徴とする顔面の基準線の再現方法After recording one or both of the median line and the pupil line with the midline recording tool attached to the eye point parallel checker provided for the simple bow by face-bow transfer, the midline attached to the eye point parallel checker on the incisal pole of the articulator A method for reproducing a reference line of a face, characterized in that a line recording tool is set and the recording of either or both of the median line and pupil line is stored in an incisal pole
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WO2004110296A1 (en) * 2003-06-12 2004-12-23 Bear Dental Laboratory Co., Ltd Dental occlusion navigator
JP2005095500A (en) * 2003-09-26 2005-04-14 Katamasa Miyamoto Method for displaying aesthetic standard and bite fork
JP4221209B2 (en) * 2001-11-15 2009-02-12 容正 宮本 Virtual occlusal plane reproduction device

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4221209B2 (en) * 2001-11-15 2009-02-12 容正 宮本 Virtual occlusal plane reproduction device
WO2004110296A1 (en) * 2003-06-12 2004-12-23 Bear Dental Laboratory Co., Ltd Dental occlusion navigator
JP2005095500A (en) * 2003-09-26 2005-04-14 Katamasa Miyamoto Method for displaying aesthetic standard and bite fork

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