JPH0724666B2 - Fixture for artificial teeth - Google Patents
Fixture for artificial teethInfo
- Publication number
- JPH0724666B2 JPH0724666B2 JP26651492A JP26651492A JPH0724666B2 JP H0724666 B2 JPH0724666 B2 JP H0724666B2 JP 26651492 A JP26651492 A JP 26651492A JP 26651492 A JP26651492 A JP 26651492A JP H0724666 B2 JPH0724666 B2 JP H0724666B2
- Authority
- JP
- Japan
- Prior art keywords
- shape memory
- fixing
- tooth
- artificial tooth
- legs
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
- A61C13/00—Dental prostheses; Making same
- A61C13/225—Fastening prostheses in the mouth
- A61C13/26—Dentures without palates; Partial dentures, e.g. bridges
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
- A61C2201/00—Material properties
- A61C2201/007—Material properties using shape memory effect
Landscapes
- Health & Medical Sciences (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Dentistry (AREA)
- Epidemiology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Dental Prosthetics (AREA)
Description
【０００１】[0001]
【産業上の利用分野】本発明は、歯牙欠損部に補填され
る人工歯を固定する方法及びその固定方法に使用する固
定用治具に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method of fixing an artificial tooth to be filled in a tooth defect portion and a fixing jig used in the fixing method.
【０００２】[0002]
【従来の技術】歯槽膿漏等の歯周疾患，または不慮の事
故等によって歯牙が欠損した場合には、プラスチック製
の人工歯をその歯牙の欠損部に補填，固定する治療が施
される。このような歯牙欠損に対する処置としては、ま
ず歯科医が患者の歯牙欠損部の歯型を取り、この取った
歯型に合わせて歯科技工士が鋳造によって人工歯を作製
し、この作製した人工歯を再び歯科医が患者に補填，固
定するという一連の処理が一般的な概念である。2. Description of the Related Art When a tooth is lost due to a periodontal disease such as alveolar pyorrhea or an accident such as an accident, a treatment for filling and fixing a plastic artificial tooth to the missing portion of the tooth is performed. As a treatment for such a tooth defect, first, a dentist takes a tooth mold of a patient's tooth defect portion, a dental technician creates an artificial tooth by casting in accordance with the taken tooth mold, and the manufactured artificial tooth The general concept is a series of processes in which the dentist refills the patient and fixes it.
【０００３】[0003]
【発明が解決しようとする課題】歯牙欠損に対する従来
の処置は以上のように行われているので、歯科医から歯
科技工士へ、そしてまた再び歯科医へと、その処理が進
むので、どうしても処置開始から処置終了までに数日以
上の日数を要するという不具合があり、歯科医サイドの
みで処置を完了できるような治療方法の実現が望まれて
いる。Since the conventional treatment for a tooth defect is performed as described above, the treatment progresses from the dentist to the dental technician and then to the dentist again. There is a problem that it takes several days or more from the start to the end of treatment, and it is desired to realize a treatment method in which the treatment can be completed only on the side of the dentist.
【０００４】ところで、本発明者は、歯周疾患等によっ
て不安定となった歯牙を固定する方法を特願平３−1621
63号に提案している。この方法では、その両端部に切込
みが設けられていて１対の係合脚を有し、母相状態では
係合脚が開脚し、マルテンサイト相状態では係合脚が閉
脚するような形状記憶処理が施された形状記憶合金部材
を用い、正常な歯牙と固定対象の不安定な歯牙とに連通
する窩洞を形成し、マルテンサイト相状態にある上記形
状記憶合金部材をこの窩洞に挿入し、挿入した歯牙固定
用部材を加熱して係合脚を開脚させ、不安定な歯牙を固
定する。By the way, the present inventor has proposed a method for fixing a tooth which has become unstable due to periodontal disease or the like, in Japanese Patent Application No. 31621.
Proposed to No. 63. In this method, a shape memory process is provided in which notches are provided at both ends thereof and a pair of engaging legs are provided, and the engaging legs open in the mother phase state and the engaging legs close in the martensite phase state. Using the shape memory alloy member that has been applied, to form a cavity that communicates with the normal tooth and the unstable tooth to be fixed, insert the shape memory alloy member in the martensite phase state into this cavity, and insert The tooth fixing member is heated to open the engaging leg and fix the unstable tooth.
【０００５】このような固定方法を、人工歯の固定に適
用することが容易に考えられる。即ち、歯牙の欠損部の
両側の正常な歯牙に窩洞を形成し、閉じた状態の形状記
憶合金部材の両端部の係合脚をこの窩洞に挿入し、形状
記憶合金部材を接着用の樹脂を介在して貫通させた人工
歯を位置決めした後、加熱して係合脚の開脚により人工
歯を固定することが考えられる。ところが、この方法で
は、形状記憶合金部材の特殊な形状記憶特性を保持して
おく必要があるので鋳造処理に制限があり、樹脂との密
着性を高めるための表面形状が得られず、人工歯の固定
が充分であるとは言い難い。It is easily conceivable to apply such a fixing method to fix an artificial tooth. That is, cavities are formed in normal teeth on both sides of the tooth defect, and the engaging legs at both ends of the shape memory alloy member in the closed state are inserted into the cavities, and the shape memory alloy member is interposed with the adhesive resin. It is possible to fix the artificial tooth by opening the engaging leg and then heating after positioning the artificial tooth that has been penetrated. However, with this method, it is necessary to maintain the special shape memory characteristics of the shape memory alloy member, so there is a limit to the casting process, and it is not possible to obtain a surface shape for enhancing the adhesion with the resin, and the artificial tooth It is hard to say that is fixed enough.
【０００６】本発明は斯かる事情に鑑みてなされたもの
であり、歯科医サイドのみで歯牙欠損に対する人工歯の
補填処置を行うことができ、しかもその人工歯を容易か
つ確実に固定することができる人工歯の固定用治具を提
供することを目的とする。The present invention has been made in view of such circumstances, and it is possible to perform the artificial tooth filling process for a tooth defect only on the side of the dentist, and to fix the artificial tooth easily and surely. An object is to provide a jig for fixing an artificial tooth that can be used.
【０００７】[0007]
【課題を解決するための手段】本発明の人工歯の固定用
治具は、補填される人工歯を固定する際に使用される固
定用治具であって、その両端部夫々に切込みを設けて形
成した１対の係合脚を有し、母相状態では前記係合脚が
開脚し、マルテンサイト相状態では前記係合脚が閉脚す
るような形状記憶処理が施されている２個の形状記憶部
材と、該両形状記憶部材が各一方の係合脚側から挿入さ
れる溝を有する嵌め部材とを備えることを特徴とする。
またこれらの形状記憶部材及び嵌め部材は一体的構成と
したものであってもよい。A jig for fixing an artificial tooth according to the present invention is a jig for fixing an artificial tooth to be filled, in which notches are provided at both ends thereof. Two shape memories that have a pair of engagement legs formed as described above, and are subjected to shape memory processing such that the engagement legs are opened in the matrix phase state and the engagement legs are closed in the martensite phase state. And a fitting member having a groove into which each of the shape memory members is inserted from the one engaging leg side.
Further, the shape memory member and the fitting member may be integrated.
【０００８】[0008]
【作用】本発明では、欠損部の両側の歯牙に窩洞を形成
した後、欠損部に位置する嵌め部材に通された形状記憶
部材の閉脚させた状態（マルテンサイト相の状態）の係
合脚を形成した窩洞に挿入し、嵌め部材を覆うように樹
脂を介在させて人工歯を補填し、樹脂の硬化後に形状記
憶部材を加熱して係合脚を開脚させた元の状態（母相状
態）に復元し、人工歯を固定する。このようにすると、
形状記憶部材は両側の歯牙と機械的に接合され、形状記
憶部材が通された人工歯も確実に固定される。また、樹
脂との密着性を高めるための形状工夫（孔の形成，表面
の凹凸）が嵌め部材に施されている場合には、人工歯の
固定はより確実となる。In the present invention, after the cavity is formed in the teeth on both sides of the defect, the engagement leg in the closed state (state of martensite phase) of the shape memory member passed through the fitting member located in the defect is set. The original state in which it was inserted into the formed cavity, the artificial tooth was filled with resin to cover the fitting member, the shape memory member was heated after the resin hardened, and the engaging leg was opened (mother phase state) Restore and fix the artificial tooth. This way,
The shape memory member is mechanically joined to the teeth on both sides, and the artificial tooth through which the shape memory member is passed is also securely fixed. Further, if the fitting member is provided with a shape device (formation of holes, unevenness of the surface) for enhancing the adhesiveness with the resin, the fixing of the artificial tooth becomes more reliable.
【０００９】[0009]
【実施例】以下、本発明をその実施例を示す図面に基づ
いて具体的に説明する。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be specifically described below with reference to the drawings showing the embodiments.
【００１０】図１は、本発明の形状記憶部材の平面図で
ある。形状記憶部材１は、形状記憶合金であるNi−Ti
（ニッケル─チタン）合金からなり、図１（ａ）は、高
温にて形状を記憶処理させた後の形状を示し、図１
（ｂ）は、記憶処理後に冷却させた後の形状を示してい
る。即ち、図１（ａ）は母相（オーステナイト相）状態
の形状を示し、図１（ｂ）はマルテンサイト相状態の形
状を示している。FIG. 1 is a plan view of the shape memory member of the present invention. The shape memory member 1 is Ni-Ti which is a shape memory alloy.
It is made of a (nickel-titanium) alloy, and FIG. 1 (a) shows the shape after the shape is subjected to a memory treatment at a high temperature.
(B) shows the shape after cooling after the memory processing. That is, FIG. 1A shows the shape in the parent phase (austenite phase) state, and FIG. 1B shows the shape in the martensite phase state.
【００１１】マルテンサイト相状態の形状記憶部材11
は、例えば全長５mm, 幅２mm, 厚さ１mmの帯状をなして
おり、その長手方向の両端部には、両端から中央に向け
て幅0.3 mm, 長さ1.5 mmの切込み11a, 11aが幅方向中央
に形成されている。この切込み11a, 11aにより、両端部
は夫々１対の係合脚11b, 11bとなっている。この形状記
憶部材11は、母相状態では各係合脚11b, 11bが開脚し、
マルテンサイト相状態では各係合脚11b, 11bが閉脚して
いる。各係合脚11b,11b の辺縁部は丸みを有している。
係合脚11b,11b の開閉を除き他の部分の形状は母相、マ
ルテンサイト相ともに同様である。Shape memory member 11 in the martensite phase state
Has a strip shape with a total length of 5 mm, a width of 2 mm, and a thickness of 1 mm. At both ends in the longitudinal direction, notches 11a, 11a with a width of 0.3 mm and a length of 1.5 mm are formed from both ends toward the center. It is formed in the center. Due to the cuts 11a, 11a, a pair of engaging legs 11b, 11b is formed at both ends, respectively. In the shape memory member 11, the engagement legs 11b, 11b open in the mother phase state,
In the martensite phase state, the engaging legs 11b, 11b are closed. The edges of the engagement legs 11b, 11b are rounded.
Except for the opening and closing of the engaging legs 11b, 11b, the shapes of the other parts are the same for both the matrix phase and the martensite phase.
【００１２】Ni−Ti合金は、一般に熱弾性型といわれる
マルテンサイト変態をする規則格子合金である。そし
て、この変態は母相−マルテンサイト相間の正逆変態の
ヒステリシスが小さく、結晶学的に可逆的であるという
性質を有する。結晶学的に可逆的とは、逆変態で単に母
相の結晶構造に戻るだけでなく、結晶の方位も元に戻る
ということである。形状記憶処理を施して冷却すると、
マルテンサイト相開始温度（Ｍs ）でマルテンサイト変
態が開始して変形が進行し、マルテンサイト相終了温度
（Ｍf ）ですべてマルテンサイト相となる。逆にこのよ
うに変形したマルテンサイト相のNi−Ti合金を加熱する
と、逆変態開始温度（Ａs ）で逆方向の変態が始まり、
逆変態終了温度（Ａf ）で100 ％母相状態に戻る。この
際、完全に元の形状を復元するためにはＡf 以上に加熱
する必要がある。100 ％母相状態に戻った後は、熱弾性
型マルテンサイト変態特有の可逆性により、原子間のつ
ながりを保ったまま完全に元の結晶の形状が復元され変
形は解消される。本実施例では、Ａs ，Ａf が夫々20
℃，40℃程度であるものを使用する。The Ni-Ti alloy is an ordered lattice alloy that undergoes martensitic transformation, which is generally called thermoelastic type. And this transformation has a property that the hysteresis of the forward and reverse transformation between the matrix phase and the martensite phase is small, and it is crystallographically reversible. Crystallographically reversible means that not only the crystal structure of the parent phase is restored by reverse transformation, but also the crystal orientation is restored. When shape memory processing is applied and cooled,
At the martensite phase start temperature (M s ), the martensite transformation starts and the deformation proceeds, and at the martensite phase end temperature (M f ), all of the martensite phase is formed. On the contrary, when the Ni-Ti alloy of the martensite phase thus deformed is heated, the reverse transformation starts at the reverse transformation start temperature (A s ),
At the reverse transformation end temperature (A f ), the state returns to 100% mother phase. At this time, in order to completely restore the original shape, it is necessary to heat to A f or higher. After returning to the 100% matrix, the reversibility peculiar to the thermoelastic martensitic transformation completely restores the original crystal shape while maintaining the connection between atoms, and the deformation is eliminated. In this embodiment, A s and A f are 20 respectively.
Use one that is about 40 ℃ or 40 ℃.
【００１３】図２は、本発明の嵌め部材の斜視図であ
る。嵌め部材12は、チタン等鋳造可能な金属からなる偏
平多角柱状をなし、嵌め部材12の両端部には形状記憶部
材11の係合脚11b を挿入させる程度の大きさの挿入溝12
a, 12aが形成されている。嵌め部材12には厚さ方向に貫
通する孔12b が設けられており、また、嵌め部材12の表
面は凹凸形状をなしている。これらは、後述する人工歯
の固定手順において嵌め部材12と樹脂との密着性を高め
るための工夫である。図３に、嵌め部材12の各挿入溝12
a, 12aに図１に示す母相状態（開脚状態）の２個の形状
記憶部材11の各一方の係合脚11b, 11bを挿入させた状態
を示す。FIG. 2 is a perspective view of the fitting member of the present invention. The fitting member 12 is a flat polygonal column made of a castable metal such as titanium, and the insertion groove 12 is large enough to insert the engaging legs 11b of the shape memory member 11 at both ends of the fitting member 12.
a and 12a are formed. The fitting member 12 is provided with a hole 12b penetrating in the thickness direction, and the surface of the fitting member 12 has an uneven shape. These are devices for increasing the adhesion between the fitting member 12 and the resin in the procedure for fixing the artificial tooth described below. In FIG. 3, each insertion groove 12 of the fitting member 12 is shown.
1a and 12a show a state in which the engagement legs 11b, 11b of one of the two shape memory members 11 in the mother phase state (open leg state) shown in FIG. 1 are inserted.
【００１４】次に、このような形状記憶部材11，嵌め部
材12を用いて、人工歯を固定する手順について説明す
る。図４は、この手順を模式的に示す平面図である。図
４は、舌側（口腔内側）からみた図を示しており、歯牙
の内部がよく分かるように必要に応じてその一部を破断
している。図４（ａ）において、Ｔ3 , Ｔ4 は正常な門
歯を示しており、これらの門歯Ｔ3 , Ｔ4 間は、本来あ
るべき門歯が欠損した欠損部Ｄとなっている。本実施例
では、この欠損部Ｄに人工歯を補填して固定することと
する。まず、各門歯Ｔ3 , Ｔ4 の欠損部Ｄ側に、形状記
憶部材11の係合脚11b が挿入される程度の大きさの窩洞
13，13を口腔内側から形成する（図４（ｂ））。次に、
嵌め部材12の挿入溝12a, 12aに２個の形状記憶部材11の
各一方の係合脚11b, 11bを挿入させ、２個の形状記憶部
材11の各他方の係合脚11b, 11bを形成した窩洞13，13に
挿入し、嵌め部材12が欠損部Ｄの中央に位置するよう
に、接着材にて嵌め部材12と係合脚11b, 11bとを仮止め
する（図４（ｃ））。次いで、プラスチック製の人工歯
14を、嵌め部材12との間に樹脂を充填させながら、嵌め
部材12に被せる（図４（ｄ））。充填させた樹脂が硬化
した後、形状記憶部材11がＡf 以上となるように熱を加
え、更に、窩洞13，13の空隙に樹脂を充填する（図４
（ｅ））。そうすると、形状記憶部材11は図１（ａ）に
示すような母相状態に復元され、両端部の係合脚11b, 1
1bが開脚して窩洞13，13の内面と係合し、形状記憶部材
11と各門歯Ｔ3 , Ｔ4 とが機械的に結合され、この形状
記憶部材11の係合脚11b, 11bが挿入されている人工歯14
も確実に固定される。また、嵌め部材12には孔12b が形
成され、その表面は凹凸形状をなすので、充填する樹脂
との密着性は良好であって、確実に人工歯14が固定され
る。Next, a procedure for fixing an artificial tooth using the shape memory member 11 and the fitting member 12 will be described. FIG. 4 is a plan view schematically showing this procedure. FIG. 4 shows a view as seen from the lingual side (inner side of the oral cavity), and a part of the tooth is cut away as necessary so that the inside of the tooth can be clearly seen. In FIG. 4 (a), T 3 and T 4 indicate normal incisors, and between these incisors T 3 and T 4, there is a defect portion D in which the incisors are supposed to be missing. In this embodiment, an artificial tooth is filled in and fixed to the defect portion D. First, the defect D side of the incisors T 3, T 4, to the extent that engaging leg 11b of the shape memory member 11 is inserted size of cavity
13 and 13 are formed from the inside of the oral cavity (Fig. 4 (b)). next,
A cavity in which the engagement legs 11b, 11b of one of the two shape memory members 11 are inserted into the insertion grooves 12a, 12a of the fitting member 12 and the other engagement legs 11b, 11b of the two shape memory members 11 are formed. Inserted in 13, 13, the fitting member 12 and the engaging legs 11b, 11b are temporarily fixed with an adhesive so that the fitting member 12 is located at the center of the defect D (FIG. 4 (c)). Then plastic artificial teeth
14 is put on the fitting member 12 while filling the resin with the fitting member 12 (FIG. 4 (d)). After the filled resin is hardened, heat is applied so that the shape memory member 11 becomes A f or more, and the voids of the cavities 13 and 13 are further filled with the resin (FIG. 4).
(E)). Then, the shape memory member 11 is restored to the mother phase state as shown in FIG. 1 (a), and the engaging legs 11b, 1 at both ends are restored.
1b opens the leg and engages with the inner surfaces of the cavities 13 and 13,
An artificial tooth 14 in which 11 and the respective incisors T 3 and T 4 are mechanically coupled, and the engaging legs 11b and 11b of the shape memory member 11 are inserted.
Is also securely fixed. Further, since the fitting member 12 is formed with the hole 12b and the surface thereof has an uneven shape, the adhesion with the resin to be filled is good, and the artificial tooth 14 is securely fixed.
【００１５】なお、上述した実施例では、形状記憶部材
と嵌め部材とを別体に構成したが、両者を一体的に形成
した構成の固定用治具を用いて、補填される人工歯を固
定するようにしてもよい。In the above-described embodiment, the shape memory member and the fitting member are formed separately, but the artificial tooth to be supplemented is fixed by using the fixing jig having the structure in which both are integrally formed. You may do it.
【００１６】[0016]
【発明の効果】以上のように、本発明では、強固な固着
力を提供する形状記憶部材と、樹脂との接着性が良好な
嵌め部材とを用いて人工歯を固定するようにしたので、
容易に確実な固定を実現できる、また歯科技工士サイド
の処理を経ることなく歯科医サイドのみで歯牙欠損に対
する人工歯の補填, 固定処置を行うことができる等、本
発明は優れた効果を奏する。As described above, in the present invention, the artificial tooth is fixed by using the shape memory member that provides a strong fixing force and the fitting member that has good adhesiveness with the resin.
The present invention has excellent effects such as easy and reliable fixation, and the fact that the dentist can perform artificial tooth filling and fixation for a tooth defect without the dental technician side treatment. .
【図１】本発明の形状記憶部材の形状を示す平面図であ
る。FIG. 1 is a plan view showing the shape of a shape memory member of the present invention.
【図２】本発明の嵌め部材の形状を示す斜視図である。FIG. 2 is a perspective view showing the shape of a fitting member of the present invention.
【図３】図１に示す形状記憶部材の係合脚を図２に示す
嵌め部材に挿入させた状態を示す斜視図である。3 is a perspective view showing a state in which the engagement leg of the shape memory member shown in FIG. 1 is inserted into the fitting member shown in FIG.
【図４】人工歯の固定の手順を示す模式的平面図であ
る。FIG. 4 is a schematic plan view showing a procedure for fixing an artificial tooth.
11 形状記憶部材 11a 切込み 11b 係合脚 12 嵌め部材 13 窩洞 14 人工歯 12a 挿入溝 12b 孔 Ｔ1 ，Ｔ2 臼歯 Ｔ3 ，Ｔ4 門歯 Ｄ 欠損部11 the shape-memory member 11a cut 11b engaging legs 12 fit member 13 cavity 14 artificial teeth 12a insertion groove 12b holes T 1, T 2 molars T 3, T 4 incisor D defect
Claims (2)
れる固定用治具であって、その両端部夫々に切込みを設
けて形成した１対の係合脚を有し、母相状態では前記係
合脚が開脚し、マルテンサイト相状態では前記係合脚が
閉脚するような形状記憶処理が施されている２個の形状
記憶部材と、該両形状記憶部材が各一方の係合脚側から
挿入される溝を有する嵌め部材とを備えることを特徴と
する人工歯の固定用治具。1. A fixing jig used for fixing an artificial tooth to be filled, which has a pair of engaging legs formed by notches at both ends thereof, and in a mother phase state. Two shape memory members that have been subjected to shape memory processing such that the engagement legs are opened and the engagement legs are closed in the martensite phase state, and both shape memory members are provided from one engagement leg side. A jig for fixing artificial teeth, comprising: a fitting member having a groove to be inserted.
れる固定用治具であって、その両端部夫々に切込みを設
けて形成した１対の係合脚を有し、母相状態では前記係
合脚が開脚し、マルテンサイト相状態では前記係合脚が
閉脚するような形状記憶処理が施されている２個の形状
記憶部材と、該両形状記憶部材が各一方の係合脚側から
挿入された状態の嵌め部材とが一体的に構成されている
ことを特徴とする人工歯の固定用治具。2. A fixing jig used when fixing an artificial tooth to be filled, which has a pair of engaging legs formed by notches at both ends thereof, and in a mother phase state. Two shape memory members that have been subjected to shape memory processing such that the engagement legs are opened and the engagement legs are closed in the martensite phase state, and both shape memory members are provided from one engagement leg side. A jig for fixing artificial teeth, characterized in that the fitting member in the inserted state is integrally configured.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP26651492A JPH0724666B2 (en) | 1992-09-08 | 1992-09-08 | Fixture for artificial teeth |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP26651492A JPH0724666B2 (en) | 1992-09-08 | 1992-09-08 | Fixture for artificial teeth |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0686785A JPH0686785A (en) | 1994-03-29 |
| JPH0724666B2 true JPH0724666B2 (en) | 1995-03-22 |
Family
ID=17431966
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP26651492A Expired - Lifetime JPH0724666B2 (en) | 1992-09-08 | 1992-09-08 | Fixture for artificial teeth |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0724666B2 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6050820A (en) * | 1997-05-13 | 2000-04-18 | Eastflex Corp. | Intracoronally supported pontic |
| CN107847302B (en) * | 2015-07-15 | 2020-11-27 | 克里斯托弗·莫里斯 | Direct dental bridge |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5746856A (en) * | 1980-07-28 | 1982-03-17 | Kasai Kogyo Co Ltd | Production of interior part for car |
| DE3430448A1 (en) * | 1984-08-18 | 1986-02-20 | Karlheinz Prof. Dr. 2305 Heikendorf Körber | READY-TO-USE BRIDGE FRAME FROM METAL ALLOYS |
| JPS63145648A (en) * | 1986-03-18 | 1988-06-17 | 福辻 敏 | Apparatus for retaining local floor denture |
| JPS63203152A (en) * | 1987-02-20 | 1988-08-23 | 大同特殊鋼株式会社 | Post for fixing denture |
-
1992
- 1992-09-08 JP JP26651492A patent/JPH0724666B2/en not_active Expired - Lifetime
Non-Patent Citations (1)
| Title |
|---|
| 欧州特許出願公開１７２４４４（ＥＰＡ） |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0686785A (en) | 1994-03-29 |
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