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WO2017171320A1 - Gabarit de guidage pour chirurgie d'implant dentaire précise et son procédé de fabrication - Google Patents

Gabarit de guidage pour chirurgie d'implant dentaire précise et son procédé de fabrication Download PDF

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Publication number
WO2017171320A1
WO2017171320A1 PCT/KR2017/003242 KR2017003242W WO2017171320A1 WO 2017171320 A1 WO2017171320 A1 WO 2017171320A1 KR 2017003242 W KR2017003242 W KR 2017003242W WO 2017171320 A1 WO2017171320 A1 WO 2017171320A1
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WIPO (PCT)
Prior art keywords
thermoplastic sheet
guide template
thermoplastic
bushing
sheet layer
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.)
Ceased
Application number
PCT/KR2017/003242
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English (en)
Korean (ko)
Inventor
이태경
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
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Individual
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Filing date
Publication date
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Publication of WO2017171320A1 publication Critical patent/WO2017171320A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
    • A61C1/00—Dental machines for boring or cutting ; General features of dental machines or apparatus, e.g. hand-piece design
    • A61C1/08—Machine parts specially adapted for dentistry
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
    • A61C8/00—Means to be fixed to the jaw-bone for consolidating natural teeth or for fixing dental prostheses thereon; Dental implants; Implanting tools
    • A61C8/0089—Implanting tools or instruments
    • A61C8/009—Implanting tools or instruments for selecting the right implanting element, e.g. templates
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
    • A61C1/00—Dental machines for boring or cutting ; General features of dental machines or apparatus, e.g. hand-piece design
    • A61C1/08—Machine parts specially adapted for dentistry
    • A61C1/082—Positioning or guiding, e.g. of drills
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
    • A61C1/00—Dental machines for boring or cutting ; General features of dental machines or apparatus, e.g. hand-piece design
    • A61C1/08—Machine parts specially adapted for dentistry
    • A61C1/082—Positioning or guiding, e.g. of drills
    • A61C1/084—Positioning or guiding, e.g. of drills of implanting tools
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
    • A61C8/00—Means to be fixed to the jaw-bone for consolidating natural teeth or for fixing dental prostheses thereon; Dental implants; Implanting tools
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
    • A61C2201/00—Material properties

Definitions

  • the present invention relates to a guide template and a method of manufacturing the same, which can induce the surgical procedure at the time of implantation, especially dental implant placement procedure to proceed precisely as planned.
  • Implant is implanted artificial tooth (fixture) made of metal (mainly titanium or titanium alloy) with excellent biocompatibility in the alveolar bone of the missing tooth, fused with the alveolar bone tissue, and then artificial tooth is formed on the artificial tooth It is a general term for dental surgery or artificial tooth itself, which allows people to live a daily life with a sense almost identical to their own teeth.
  • fixture made of metal (mainly titanium or titanium alloy) with excellent biocompatibility in the alveolar bone of the missing tooth, fused with the alveolar bone tissue, and then artificial tooth is formed on the artificial tooth
  • This implant has advantages such as long life and very similar to natural teeth, without damaging the surrounding teeth except for the teeth that need to be treated, compared to the method using a denture or a bridge. This is much lower and is getting more attention.
  • the patient's gingival (gum) is incised to expose the alveolar bone, the position to insert the implant on the exposed alveolar bone is determined, and then a portion of the alveolar bone is made using a drilling tool such as a drill. By removing the hole, a hole for implanting the implant is formed. After fixing the fixture in the hole formed in the alveolar bone and covering the gingival, wait for a suitable period of time so that the fixture and the alveolar bone are sufficiently fused, and then expose the firmly fixed fixture and place the abutment and abutment on it. The implant procedure is completed by attaching the (crown).
  • the procedure of suturing the gingival and later dissecting the gingival may be omitted by installing a healing abutment on the fixture placed in the alveolar bone.
  • the surgical operation when implanting the gingival to expose the alveolar bone during implantation, and then drilled directly using a drill, etc., the surgical operation called a guide template so that the drilling work can be performed in the correct position, direction, and depth.
  • a surgical guide is used.
  • the oral model that is the model must be prepared first.
  • the impression material was used to obtain the upper and / or lower jaw of the subject, and then plaster was poured on it to simulate the upper and / or lower jaw of the subject.
  • a model is directly produced by a rapid molding machine or a 3D printer based on 3D image data.
  • the area of the tooth defect that requires the implant procedure is transferred as it is.
  • the hole is drilled in accordance with the implant procedure plan, and the bushing for inducing the direction and depth of the drilling drill is detachably fixed. do.
  • Patent Document 0001 Korean Registered Patent No. 10-1039287 (announced on June 7, 2011)
  • Patent Document 0002 Korean Registered Patent No. 10-0993666 (announced 10 November 2010)
  • Patent Document 0003 Korean Registered Patent No. 10-1353335 (2014.01.17 notification)
  • Patent Document 0004 Korean Registered Patent No. 10-1344472 (August 24, 2013)
  • Patent document 1 is an invention regarding the guide template which the applicant has registered
  • patent document 2 is an invention regarding the fixing pin assembly for fixing a bushing on an oral model so that a bushing may be separated in a state embedded in a guide template
  • Patent Document 3 is a coordinate synchronization plate for precisely drilling a hole on the oral model according to an implant procedure plan established using a computer program
  • Patent Document 4 is a hole in the oral model according to the synchronized coordinate information.
  • the present applicant has filed and registered many other inventions related to the guide template.
  • the conventional guide template is difficult to make a constant thickness because it is made by applying the curable resin on the oral model by hand, because of this, there is a tendency to apply a somewhat excessive curable resin in order to avoid the risk that the portion is made thin and the strength is not sufficient. have. Therefore, the guide template is made thick, and when it is inserted into the mouth of the patient feels uncomfortable and takes a long curing time.
  • Patent Document 1 attaches an elastic body to the inner surface of the guide template.
  • the construction of these elastomers has brought about quite good effects, but requires additional work of attaching the elastomers, often causing them to fall off.
  • the bushing embedded in the guide template may be detached when the curable resin is not completely adhered to the bushing surface, an operation of applying an adhesive to the bushing surface was required.
  • the present invention improves the problem of the process of applying the curable resin on the oral model by hand included in the process of making a guide template in the prior art, as described above, it can be precisely inserted into the oral cavity without shaking evenly, It is an object of the present invention to provide a guide template and a method for manufacturing the implant of a new method and structure that does not require additional work to securely secure the bushing.
  • the present invention relates to a guide template including a support portion surrounding the buccal, lingual and occlusal sides of at least one tooth, and a treatment portion having a bushing for guiding a drill for drilling the alveolar bone, wherein the support portion and the surgical portion of the guide template
  • a guide template comprising a first thermoplastic sheet layer disposed inside the tooth side and a second thermoplastic sheet layer bonded to the outside of the first thermoplastic sheet layer and having a thicker thickness.
  • the thickness of the first thermoplastic sheet layer may be in the range of 0.3 to 0.75 mm.
  • the thickness of the second thermoplastic sheet layer may be in the range of 0.5 to 3.0mm.
  • the material of the first thermoplastic sheet layer and the second thermoplastic sheet layer is at least one selected from polyethylene (PE), polyvinyl chloride (PVC), acrylic (Acrylic), ABS (ABS), polycarbonate (Polycarbonate) It may be the above resin.
  • an identification sheet on which information including patient information, a procedure time, a manufacturer's logo, and surgical reference information may be embedded between the first thermoplastic sheet layer and the second thermoplastic sheet layer.
  • the support portion may be formed to surround a portion of the undercut of the tooth beyond the maximum fusion of at least one of the buccal and lingual.
  • a flat surface may be formed on a side of the bushing embedded in the procedure part, and the first thermoplastic sheet layer may be in close contact with the flat surface to fix the bushing.
  • the method of manufacturing a guide template comprises the steps of preparing an oral model that mimics the intraoral tissue of the patient: and the bushing for inducing the drill for drilling the alveolar bone at the position where the implant procedure is planned on the oral model. And arranging a first thermoplastic sheet to surround at least a portion of the oral cavity model including the bushing, and applying a vacuum to the first thermoplastic sheet while applying a vacuum between the first thermoplastic sheet and the oral cavity model. Forming and closely contacting the first thermoplastic sheet to a surface of the oral cavity model; and disposing a second thermoplastic sheet thicker than the first thermoplastic sheet on the first thermoplastic sheet, and placing the second thermoplastic sheet on the second thermoplastic sheet. Applying heat to form a vacuum between the second thermoplastic sheet and the first thermoplastic sheet to Attaching the second thermoplastic sheet to a sheet surface; And cutting the first thermoplastic sheet and the second thermoplastic sheet to include the bushing.
  • the material of the first thermoplastic sheet and the second thermoplastic sheet is polyethylene (PE), polyvinyl chloride (PVC), acrylic (Acrylic), ABS (ABS), polycarbonate (Polycarbonate) At least one or more resins selected.
  • first thermoplastic sheet and the second thermoplastic sheet may be heated in the range of 70 ⁇ 80 °C.
  • the thickness of the first thermoplastic sheet may be in the range of 0.3 ⁇ 0.75mm.
  • the thickness of the second thermoplastic sheet may be in the range of 0.5 to 3.0mm.
  • an identification sheet on which information including patient information, a procedure time, a manufacturer's logo, and surgical reference information is recorded may be disposed on the first thermoplastic sheet, and the second thermoplastic sheet may be attached thereon.
  • the guide template may be cut to cover a portion of the undercut beyond the maximum fusion of at least one of the buccal and lingual teeth of the tooth.
  • the first thermoplastic sheet and the second thermoplastic sheet may be cut into the guide template by using a laser having a power of 20 to 60 W per 0.01 pi mm 2.
  • the output of the laser may be lowered to a range of 2 to 6 W per 0.01 pi mm 2.
  • the guide template may be displayed on the surface of the second thermoplastic sheet, and the first thermoplastic sheet and the second thermoplastic sheet may be formed by using a laser having a power of 2 to 6 W per 0.01 ⁇ mm 2 along the cut line. It is also possible to cut with.
  • the guide template of the present invention having the above configuration can closely follow the complex shape of the oral model through the inner thin first thermoplastic sheet layer, thereby improving the suitability of the finished guide template while increasing the outer thicker agent. 2
  • the thermoplastic sheet layer can provide sufficient strength.
  • the excellent shape followability of the first thermoplastic sheet layer allows the bushing embedded in the guide template to be fixed more reliably than before, thereby eliminating the need for additional work such as using an adhesive.
  • thermoplastic sheets are uniformly adhered to the oral model using vacuum without applying the curable resin by hand, thereby making the guide template uniform in thickness and beautiful in appearance. It becomes possible.
  • the identification sheet recorded with various information including patient information, procedure time, manufacturer logo, and surgical reference information can be enclosed between the overlapping thermoplastic sheet layers so that the identification sheet is damaged by drugs, saliva, and moisture. It also has the advantage that there is no fear of adversely affecting or adversely affecting the patient's premises.
  • FIG. 1 is a diagram illustrating a series of steps to prepare an oral model for producing a guide template of the present invention.
  • FIG. 2 is a view showing a series of steps for producing a guide template using the oral model prepared through the process of FIG.
  • 3 is a perspective view of the completed guide template.
  • FIG. 4 is a cross-sectional view taken along the line A-A of FIG.
  • FIG. 5 shows an embodiment in which the identification sheet is sealed in the guide template of FIG.
  • Figure 6 is a photograph taken a guide template produced according to an embodiment of the present invention.
  • FIG. 1 is a view showing a series of steps for preparing the oral cavity model (MD) for manufacturing the guide template 10 of the present invention
  • Figure 2 is using the oral cavity model (MD) prepared through the process of Figure 1
  • the first step is to prepare an oral model (MD) modeled after the patient's intraoral tissue.
  • the oral cavity model (MD) is a digital oral cavity made of a rapid molding machine or a 3D printer based on three-dimensional image data as well as an analog plaster model made by pouring plaster on a sound mold made of an impression material. Both models (MD) can be used.
  • both models (MD) can be used.
  • traditional gypsum models are sufficient, so it is not necessary to use digital expensive oral models.
  • the bushing 40 for inducing the progress of the alveolar bone drilling at the implanted position is fixed on the oral cavity (MD).
  • the procedure established in the computer program includes information on the position, angle, and depth of the implant, as well as the length and diameter of the implant, based on this information. After processing the bushing 40 is fixed to the fixing pin detachably.
  • the oral cavity model MD in which the bushing 40 is fixed to the correct position according to the procedure, is prepared (see FIG. 1), the at least part of the oral cavity model MD including the bushing 40 is wrapped.
  • the first thermoplastic sheet S1 is disposed so as to form a vacuum VC between the first thermoplastic sheet S1 and the oral cavity model MD while applying heat to the first thermoplastic sheet S1.
  • the first thermoplastic sheet S1 is brought into close contact with the surface of the c).
  • the first thermoplastic sheet (S1) should be in close contact with the bushing 40, the oral model so as to secure a sufficient area that does not shake when the completed guide template 10 is inserted into the patient's mouth (MD) must be wrapped.
  • the first thermoplastic sheet (S1) can be made to cover the entire oral cavity (MD), of course, but the number of teeth of the patient or a different prosthesis has already been performed so that the guide template 10 in the oral cavity (MD) If you're concerned about getting rid of it, you may want to wrap it around.
  • thermoplastic sheet S1 heating the first thermoplastic sheet (S1) to an appropriate temperature is to give flexibility, it is sufficient to apply a heat in a range of 70 to 80 °C not melted, easy to hold and work by hand Do.
  • the first thermoplastic sheet S1 when the first thermoplastic sheet S1 having appropriate flexibility is placed on the oral cavity model MD and a vacuum (negative pressure) is formed therebetween, the first thermoplastic sheet S1 is oral cavity model ( MD) (including the bushing).
  • the pressure atmospheric pressure
  • the first thermoplastic sheet S1 can be brought into close contact with each other without being lifted along the complicated shape of the oral cavity MD.
  • the second thermoplastic sheet S2 is placed over the first thermoplastic sheet S1 molded in close contact with the oral cavity MD, and heat is applied to the second thermoplastic sheet S2 as in the previous step. (70 to 80 ° C.), a vacuum VC is formed between the second thermoplastic sheet S2 and the first thermoplastic sheet S1 to attach the second thermoplastic sheet S2 to the surface of the first thermoplastic sheet S1. .
  • the thickness of the second thermoplastic sheet S2 is thicker than that of the first thermoplastic sheet S1.
  • the guide template 10 into two or more layers of the first and second thermoplastic sheets S1 and S2 is that the patient information or the procedure time, the manufacturer's logo, It is possible to arrange the identification sheet 50 on which information including the surgical reference information is recorded, and to attach the second thermoplastic sheet S2 thereon. That is, in the past, the identification information was directly written or labeled on the surface of the guide template 10. In this case, the guide may be damaged by drugs, saliva, or moisture, or may adversely affect the patient's premises.
  • the template 10 can be sealed between the overlapping thermoplastic sheet layer, so that the identification sheet 50 containing various information including patient information, procedure time, manufacturer logo, and surgical reference information can be sealed. do.
  • the first thermoplastic sheet (S1) and the second thermoplastic sheet (S2) as described above is at least any one selected from polyethylene (PE), polyvinyl chloride (PVC), acrylic (Acrylic), ABS (ABS), polycarbonate (Polycarbonate)
  • PE polyethylene
  • PVC polyvinyl chloride
  • acrylic Acrylic
  • ABS ABS
  • polycarbonate Polycarbonate
  • One or more resin materials may be used, and the thickness of the first thermoplastic sheet S1 may be in the range of 0.3 to 0.75 mm, and the thickness of the second thermoplastic sheet S2 may be in the range of 0.5 to 3.0 mm.
  • the first thermoplastic sheet S1 and the second thermoplastic sheet S2 are bonded to each other using the oral cavity model MD as a template through the above-described series of processes, the first thermoplastic sheet S1 may include the bushing 40. And by cutting the unnecessary corner portion of the second thermoplastic sheet (S2) to complete the guide template 10 as shown in FIG.
  • the guide template 10 is cut so as to surround a part of the undercut (U) beyond the maximum melt portion (H) of at least one of the buccal (B) and lingual (L) of the teeth to guide the template (10).
  • the undercut (U) portion is elastically fitted so that there is no shaking.
  • a cutting tool such as a knife, a saw, or a dental bur may be used, but it is convenient for cutting and cutting. It may be desirable to cut by using the laser LS in terms of improving the machining state of the corners to reduce or omit post-processing.
  • the output of the laser LS is appropriate to use the laser LS having an output of 20 to 60W per 0.01 pi mm 2.
  • the laser LS having an output in this range is used, it is possible to cut well at a time when cutting the first thermoplastic sheet S1 and the second thermoplastic sheet S2, and also the laser LS having an output that is too strong. Should be avoided because there is a risk of excessive melting of the thermoplastic sheet and there is a safety risk to the operator.
  • thermoplastic sheet S1 and the second thermoplastic sheet S2 are semitransparent or opaque materials having a light transmittance of 50% or less, the output of the laser LS may be considerably lowered in the range of 2 to 6 W per 0.01 ⁇ mm 2. have. This is because a thermoplastic sheet having a low light transmittance has a relatively high absorption amount of laser light, so that the output of the laser can be lowered while maintaining an equal cutting quality.
  • the shape of the guide template 10 is displayed by displaying an opaque cut line (for example, a black cut line) on the surface of the second thermoplastic sheet S2 using a writing instrument such as an oil marker.
  • the first thermoplastic sheet (S1) and the second thermoplastic sheet (S2) are guided by using a laser of about 2 to 6 W per 0.01 ⁇ mm2 along the cut line drawn on the second thermoplastic sheet (S2). It is also possible to cut.
  • the reason why the power of the cutting laser can be lowered is the same in principle as that of using a thermoplastic sheet having a low light transmittance.
  • both the first thermoplastic sheet S1 and the second thermoplastic sheet S2 can be made of a transparent material to beautify the appearance, and a low power laser is used so that even if the tip of the laser deviates slightly from the opaque cut line Substantial effects can be obtained such that the transparent first thermoplastic sheet S1 and the second thermoplastic sheet S2 are not damaged and the convenience of work is increased.
  • Figure 6 is a photograph of the guide template 10 actually produced.
  • the illustrated guide template 10 of the present invention includes a support 20 surrounding the buccal side B and the lingual side L and the occlusal side O of at least one tooth, and a bushing 40 for inducing a drill for drilling the alveolar bone.
  • a guide template 10 including a buried surgical section 30 Is a guide template 10 including a buried surgical section 30.
  • the guide template 10 of the present invention includes a first thermoplastic sheet layer 100 having a support portion 20 and a treatment portion 30 disposed inside the tooth side, and a first thermoplastic sheet layer 100. Bonded to the outside of the thermoplastic sheet layer 100 is characterized in that consisting of two layers of a thicker second thermoplastic sheet layer 200.
  • the thin first thermoplastic sheet layer 100 is made to have an exact shape that is in direct contact with the tooth (without bushings), while the thicker second thermoplastic sheet layer 200 reinforces the strength of the guide template 10. While being able to secure a sufficient fixing force to the bushing (40).
  • the support 20 refers to a part that plays a role of supporting and fixing the entire guide template 10 at a predetermined position in the oral cavity.
  • the guide template 10 is made of the first and second thermoplastic sheets S1 and S2 which are in close contact with the gingiva where the tooth is lost and the appropriate number of teeth by using the oral cavity model MD as a template, the support part is supported. 20 forms a cavity having the same shape as that of the tooth.
  • the support 20 wraps around the buccal side B, the lingual L and the occlusal side O of the tooth, thereby fixing the guide template 10 to the mouth. do.
  • the support 20 may be formed to surround a part of the undercut U of the tooth beyond the maximum fusion part H of at least one of the buccal (B) and lingual (L), through which the guide template 10 ) Is fitted in the undercut (U) elastically when there is no shaking.
  • the surgical part 30 is a part (implanted tooth part) in which an implant procedure is performed, and there is no cavity for mounting the guide template 10, but the bushing 40 for inducing the progress of the drilling drill is fixed. have.
  • a flat surface is formed on the side surface of the bushing 40 embedded in the surgical part 30.
  • the bushing 40 is removed or
  • the second thermoplastic sheet layer 200 which is tightly formed on the first thermoplastic sheet layer 100 while being fixed not to rotate, maintains the fixing state of the bushing 40 firmly.
  • the thickness of the first thermoplastic sheet layer 100 may be in the range of 0.3 to 0.75 mm, the thickness of the second thermoplastic sheet layer 200 thicker than this is 0.5 to 3.0. May be in the mm range.
  • the first thermoplastic sheet layer 100 and the second thermoplastic sheet layer 200 may be made of polyethylene (PE), polyvinyl chloride (PVC), acrylic, acrylic, ABS, or polycarbonate. At least one resin selected from among, and according to another embodiment shown in Figure 5, between the first thermoplastic sheet layer 100 and the second thermoplastic sheet layer 200, patient information or procedure time, manufacturer logo
  • the identification sheet 50 in which information including the surgical reference information is recorded may be embedded.
  • the present invention is suitable for producing a guide template, which is an aid that can guide the surgical procedure to proceed precisely as planned, in the case of implantation, especially dental implant placement.

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  • 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)
  • Orthopedic Medicine & Surgery (AREA)
  • Dental Tools And Instruments Or Auxiliary Dental Instruments (AREA)
  • Dental Prosthetics (AREA)

Abstract

La présente invention concerne un gabarit de guidage comprenant : une partie de support pour recouvrir les côtés buccal, lingual et occlusal d'au moins une dent ; et une partie chirurgicale comportant une douille, qui est intégrée dans celle-ci et guide un foret pour percer un os alvéolaire, chacune de la partie de support et de la partie chirurgicale du gabarit de guidage comprenant : une première couche de feuille thermoplastique disposée sur le côté interne du côté de dent ; et une deuxième couche de feuille thermoplastique assemblée au côté externe de la première couche de feuille thermoplastique, et ayant une épaisseur plus élevée que la première couche de feuille thermoplastique.
PCT/KR2017/003242 2016-03-28 2017-03-27 Gabarit de guidage pour chirurgie d'implant dentaire précise et son procédé de fabrication Ceased WO2017171320A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020160036619A KR101807829B1 (ko) 2016-03-28 2016-03-28 정밀한 치과용 임플란트 시술을 위한 가이드 템플릿 및 그 제조방법
KR10-2016-0036619 2016-03-28

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WO2017171320A1 true WO2017171320A1 (fr) 2017-10-05

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US11160639B2 (en) 2018-01-19 2021-11-02 Mark Elliot Palmer Dental alignment system and method for dental implant placement

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KR102407177B1 (ko) 2020-01-22 2022-06-10 이태경 두 개의 3차원 상사 영상을 디스플레이 화면상에서 정합하는 방법
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