WO2011083932A2 - Support de film indicateur d'angle pour radiographie intra-orale, et composant jetable pour le support de film - Google Patents

Support de film indicateur d'angle pour radiographie intra-orale, et composant jetable pour le support de film Download PDF

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Publication number
WO2011083932A2
WO2011083932A2 PCT/KR2010/009517 KR2010009517W WO2011083932A2 WO 2011083932 A2 WO2011083932 A2 WO 2011083932A2 KR 2010009517 W KR2010009517 W KR 2010009517W WO 2011083932 A2 WO2011083932 A2 WO 2011083932A2
Authority
WO
WIPO (PCT)
Prior art keywords
film
bite
tooth
central axis
teeth
Prior art date
Application number
PCT/KR2010/009517
Other languages
English (en)
Korean (ko)
Other versions
WO2011083932A3 (fr
Inventor
최영진
Original Assignee
Choi Young Jin
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Choi Young Jin filed Critical Choi Young Jin
Publication of WO2011083932A2 publication Critical patent/WO2011083932A2/fr
Publication of WO2011083932A3 publication Critical patent/WO2011083932A3/fr

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Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B6/00—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment
    • A61B6/50—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment specially adapted for specific body parts; specially adapted for specific clinical applications
    • A61B6/51—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment specially adapted for specific body parts; specially adapted for specific clinical applications for dentistry
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B6/00—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment
    • A61B6/50—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment specially adapted for specific body parts; specially adapted for specific clinical applications
    • A61B6/51—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment specially adapted for specific body parts; specially adapted for specific clinical applications for dentistry
    • A61B6/512—Intraoral means
    • 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
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B42/00—Obtaining records using waves other than optical waves; Visualisation of such records by using optical means
    • G03B42/02—Obtaining records using waves other than optical waves; Visualisation of such records by using optical means using X-rays
    • G03B42/04—Holders for X-ray films
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B42/00—Obtaining records using waves other than optical waves; Visualisation of such records by using optical means
    • G03B42/02—Obtaining records using waves other than optical waves; Visualisation of such records by using optical means using X-rays
    • G03B42/04—Holders for X-ray films
    • G03B42/042—Holders for X-ray films for dental applications

Definitions

  • the present invention relates to a film holder for fixing a film positioned in the oral cavity for an apical radiograph to obtain a radiographic image of the intraoral teeth and the tooth support structure, and more particularly, the film for the long axis of the tooth in the oral cavity.
  • the present invention relates to a film holder for intraoral radiography and a disposable accessory applicable to the film holder, the angle of which can be easily identified from the outside, and which can guide the radiation centerline irradiation angle.
  • Photographic images of apical radiographs taken for dental treatment include equilibrium and isometric methods.
  • 1 is a cross-sectional view for comparing a conventional parallel imaging method and an isometric imaging method, (a) shows a parallel imaging method, (b) shows an isometric imaging method.
  • the parallel imaging method is a method in which a film is positioned in the oral cavity but the film is positioned parallel to the long axis of the tooth.
  • the tooth image of the photograph obtained by photographing by placing the film parallel to the long axis of the tooth is almost one-to-one with the actual tooth.
  • the space in the oral cavity is small and low, it is difficult to position the film parallel to the long axis of the tooth.
  • the isometric method is a method of photographing by irradiating the radiation center line perpendicular to the line that bisects the long axis of the tooth and the angle formed by the film.
  • the hypotenuses on both sides have the same length, and the tooth image of the photograph also obtained by photographing may have a size one-to-one with the actual tooth.
  • it is relatively less restricted in the oral cavity than parallel imaging, but also the angle at which the film is fixed can be arbitrarily changed by the anatomical structure, and it is still difficult to accurately photograph the teeth at some predetermined angles recommended in the textbook. There is this.
  • U.S. Patent No. 5,737,388 relates to "DIGITAL INTRAORAL X-RAY PHOTOGRAPHY METHOD AND HOLDER FOR PICTURE PLATE OR X-RAY FILM," which has a film holder, bite portion and alignment rod. It contains three linked parts. Although there are scales to measure angles, they are not practically convenient because they must be angled before being bitten by the patient's mouth.
  • Korean Laid-Open Patent Publication No. 2005-29047 relates to an "alignment apparatus for X-ray imaging applying anatomical oral structure", which aims to minimize pain in consideration of the oral structure of a human body.
  • the photographing alignment device has a connection structure that allows various combinations of the ring and the alignment rod according to the inclination angle, but only a few combinations that are structurally determined are not possible, and the problem of not being able to appropriately respond to various oral structures of the patient. have.
  • Korean Patent Publication No. 10-920848 of the applicant such as the present application relates to an "angle indicating film holder for intraoral radiography"
  • Figure 2 is an exploded perspective view of the conventional film holder
  • Figure 3 It is a side sectional view explaining the process of performing an isometric photographing method using the film holder of 2.
  • the film holder 100 is positioned in the oral cavity for supporting an apical radiograph to obtain a radiographic image of an intraoral tooth and a tooth support structure, and includes a bite part 110. , A film support 130, a film indicator 140, and a radiation indicator 150.
  • the bite part 110 is fixed between the teeth and the teeth by the closing operation of the mandible, the film support 130 and the film indicator 140 is moved together with respect to the bite portion 110 while moving together, the bite indicator 160 ) And the rotational positional relationship between the film indicating unit 140 and the film support unit 130 with respect to the bite unit 110 can be recognized to the outside.
  • the film support 130 and the film indicator 140 is rotated about the same axis, the central axis 120 in the present embodiment.
  • the bite section 110 includes a bite body 112 and a central axis 120.
  • the bite body 112 is temporarily fixed between the teeth and the teeth by the mandatory closing of the mandible, the bite body 112 is formed with a shaft hole 114 penetrating horizontally, the center through the shaft hole 114 An axis 120 is provided.
  • the film support 130 is rotatably mounted to the bite body 112.
  • the film support 130 includes a film support plate 132 and an elastic fixing piece 134, and both ends of the film support plate 132 accommodate both sides of the bite body 112.
  • the central shaft 120 penetrates the extension 133 and the bite body 112 of the film support plate 132 while the film support 130 accommodates both sides of the bite body 112, and the film support 130 ) May be rotatably mounted to the bite unit 110.
  • One side of the film support 130 extends along the central axis 120 from the bite body 112, and the central axis 120 is accommodated in the extended receiving portion 135 of the film support 130.
  • the film indicating unit 140 extends in the shape of a rod to an end portion of the film support 130.
  • the end of the central axis 120 is exposed from the extended end of the film support 130, the irradiation indicator 150 and the bite indicator 160 is assembled to the exposed portion.
  • An end of the bite indicating unit 160 with respect to the central axis 120 also includes a rectangular hole, and the central axis 120 also has a portion having a rectangular cross section corresponding to the rectangular hole.
  • a circular hole is formed at the end of the radiation indicating unit 150 corresponding to the central axis 120, and may be rotated and fixed at a predetermined angle with respect to the central axis 120 separately from other indicating units.
  • the user after the user mounts the appropriate film 10 on the film support 130 of the film holder 100, the user places the film support 130 in the oral cavity of the patient and causes the patient to bite 110.
  • the bite body 112 is made to bite into the tooth.
  • the bite body 112 may maintain a state perpendicular to the long axis of the tooth because a plurality of teeth are bited up and down, and may be assumed to be fixed to a plane approximately perpendicular to the long axis of the tooth.
  • the user can find the optimum angle by rotating the film indicator 140 exposed to the outside up and down.
  • rotation of the tooth long axis and the film in a direction close to parallel may further minimize distortion by the isometric method.
  • the angle of the film support 130 is not determined and may vary depending on the oral structure of the patient and the selected film support plate.
  • the film support 130 rotates up and down together with the film indicator 140, the most suitable position can be found in the oral cavity of the patient.
  • the angle between the byte indicator 160 and the film indicator 140 can be read through the scale. Referring to this angle, the user can easily determine the irradiation angle of the radiation center line. As described above, when the conformal imaging method is used, the user measures the angle 2a between the byte indicating unit 160 and the film indicating unit 140, and then the byte indicating unit 160 or the film indicating unit 140 and the irradiation indicating unit ( 150 may be adjusted to be divided by a bisected angle (a).
  • the angle parallel to the irradiation instruction unit 150 may be referred to as an angle according to the isometric imaging method, and the user may adjust the irradiation angle of the radiation center line with reference to the irradiation instruction unit 150.
  • the present invention provides a film holder having a bite portion and a film support of an improved structure compared to a conventional film holder.
  • the film support is mounted on the bite immediately without the extension, so that the rotation of the extension by the surrounding teeth does not occur, and both sides of the bite part are positioned when the film holder is placed in the oral cavity and the film holder is placed in the oral cavity.
  • the extension formed in the film holder to prevent the patient from experiencing discomfort.
  • the present invention has a structure that can facilitate the replacement of the film support plate and the bite portion, and provides a film holder that can give comfort to the patient during imaging.
  • the present invention can substantially match the center of the film support plate and the center of the tooth to be photographed, and provides a film holder having a structure that can closely contact the surface that responds to radiation or the irradiation surface in the film as close to the teeth as possible do.
  • the film holder according to the present invention is for apical radiographs to obtain a radiographic image of the intraoral teeth and the tooth support structure, the bite portion temporarily fixed to the teeth and the A film holder rotatably mounted relative to a bite and having a film support positioned in the lingual side of the tooth in the oral cavity.
  • the bite portion has a bite body which is fixed by the bite of the teeth, and a central axis mounted horizontally on the side of the bite body, the bite body is coupled to the first tooth binding surface and the other tooth to be bonded to one tooth And a second tooth engagement surface.
  • the film support includes a shaft receiving portion that is rotatably mounted to receive the central axis and a film support plate that is physically engaged with the shaft receiving portion and pivots around the bite body.
  • the proximal end closer to the bite body of the film support plate is closer to the center of the central axis than at least one of the first and second tooth engagement surfaces, so that an extension between the film support plate and the shaft receiving portion is not necessary, and thus the periphery caused by the extension. It is possible that only one side of the film support plate is connected by the shaft accommodating portion without rotation limitation of the film support plate caused by the teeth.
  • the center axis is substantially involved in the front surface of the film mounted on the film support plate, thereby minimizing distortion of the image by radiographic imaging.
  • the film support plate moves more relaxedly in the oral cavity such that the central axis is provided on the lingual side than the center of at least one of the first and second tooth engagement surfaces, that is, the central axis is located on the lingual side rather than the center of the bite body.
  • the tooth to be photographed can be directly snapped onto the first tooth engagement surface, and the film support plate and the film can be approached inside the lingual side adjacent to the bite body to capture an accurate image.
  • a disposable accessory for the film holder of the present invention may be provided.
  • the disposable accessory may be detachably mounted in the film holder of the present invention through the central axis and the shaft receiving portion, the central axis part is connected to the central axis, the central axis part is integrally connected and fixed by the bite of the teeth.
  • a film supporting plate which is integrally connected to the shaft receiving part and the shaft receiving part which is axially connected to the shaft receiving part and pivots around the bite body.
  • the bite body has a first tooth engagement surface coupled with one tooth and a second tooth engagement surface coupled with the other tooth, and the film The proximal end of the support plate may maintain a distance closer to the central axis than the first and second tooth engagement surfaces.
  • the bite part and the film support can be replaced for one-time use, which is hygienic, and the device can be used efficiently by replacing the bite part and the film support plate suitable for each tooth depending on whether the tooth to be photographed is in the anterior or posterior part. .
  • the film holder of the present invention may have a bite portion and a film support of an improved structure compared to a conventional film holder.
  • the film support plate is mounted to the bite section immediately without an extension, so that the rotation of the film support plate is not limited by the surrounding teeth, and the film support plate and the central axis are bound to only one side of the bite portion so that the patient does not experience inconvenience when shooting. Can be.
  • the film holder of the present invention has a structure that facilitates the replacement of the film support plate and the bite part, and the bite part and the film support part having a suitable structure can be selected according to the teeth of the anterior part and the posterior part as well as the hygienic use through the disposable accessories. .
  • the film holder of the present invention can generally coincide with the center of the film support plate and the center of the tooth to be photographed, and the surface responding to radiation in the film can be brought into close contact with the teeth as close as possible to obtain an accurate and distortion-free image. .
  • the patient's unique film support angle can be recognized and adjusted outside the mouth even when the patient opens the bite body of the film holder in response to various oral structures of the patient.
  • the change of the angle of the film support in the oral cavity can be immediately known from the outside through the analog or digital film indicator, and the angle of the film support can be immediately known from the outside, so that the radiation centerline irradiation angle can be quickly specified and the radiation source Can be placed.
  • 1 is a cross-sectional view for comparing a conventional parallel imaging method and an isometric imaging method.
  • FIG. 2 is an exploded perspective view of a conventional film holder.
  • FIG. 3 is a side cross-sectional view illustrating a process of performing an isometric photographing method using the film holder of FIG. 2.
  • FIG. 4 is a perspective view of a film holder according to an embodiment of the present invention.
  • FIG. 5 is an exploded perspective view of the film holder of FIG. 4.
  • FIG. 6 is a rear perspective view illustrating the film support plate in the film holder of FIG. 4.
  • FIG. 6 is a rear perspective view illustrating the film support plate in the film holder of FIG. 4.
  • FIG. 7 is a rear view for describing the bite part in the film holder of FIG. 4.
  • FIG. 7 is a rear view for describing the bite part in the film holder of FIG. 4.
  • FIG. 8 is a side cross-sectional view illustrating a process of performing an isometric photographing method using the film holder of FIG. 4.
  • FIG. 9 is a perspective view of a film holder according to another embodiment of the present invention.
  • FIG. 10 is an exploded perspective view of the film holder of FIG. 9.
  • FIG. 11 is a rear perspective view illustrating the film support plate in the film holder of FIG. 9.
  • FIG. 11 is a rear perspective view illustrating the film support plate in the film holder of FIG. 9.
  • FIG. 12 is a rear perspective view for describing the bite part in the film holder of FIG. 9.
  • FIG. 12 is a rear perspective view for describing the bite part in the film holder of FIG. 9.
  • FIG. 13 is a view for explaining a film holder and a disposable accessory for the film holder according to another embodiment of the present invention.
  • FIG. 4 is a perspective view of a film holder according to an embodiment of the present invention
  • Figure 5 is an exploded perspective view of the film holder of FIG.
  • the film holder 200 is positioned in the oral cavity to support the film for the apical radiography to obtain a radiographic image of the intraoral teeth and the tooth support structure.
  • the bite portion 210 is fixed between the teeth and the teeth by the closing action of the mandible, the film support 230 and the film indicator 240 is moved together with respect to the bite portion 210 while moving together, the bite indicator 260 )
  • the rotational positional relationship between the film indicating unit 240 can be made to recognize the rotation angle of the film support unit 230 with respect to the bite unit 210 to the outside.
  • the film support 230 and the film indicator 240 is integrally rotated about the same axis, in this embodiment the central axis 220.
  • the bite unit 210 includes a bite body 212 and the central axis 220.
  • the bite body 212 is temporarily fixed between the tooth and the tooth by the closing action of the mandible and can be immediately separated by the opening action of the mandible.
  • the first tooth binding surface 214 is formed as a surface where the bite body 212 meets the tooth to be photographed
  • the second tooth binding surface 216 is formed as a surface where the tooth is opposite to the tooth to be photographed.
  • the first and second tooth engagement surfaces 214 and 216 may be formed of elastic resin or rubber, and may be formed of protrusion lines or uneven lines having a triangular or trapezoidal cross section.
  • the first and second tooth engagement surfaces 214 and 216 can stably be in close contact with the teeth without slipping, and can minimize the case where the measurement value is changed due to the movement of the bite portion 210 during the imaging.
  • the teeth of the anterior teeth is narrow because the tooth surface in contact with each other can be easily displaced bite position of the bite portion 210, even if the mandible moves a little, by forming an uneven can limit this displacement of the bite portion 210.
  • the direction of the uneven line of the first and second tooth engagement surface (214, 216) is preferably formed to be substantially parallel to the direction of the arrangement of the teeth, that is, the central axis (220).
  • the bite body 212 is for photographing the posterior part, and the second tooth binding surface 216 is formed to be inclined with respect to the first tooth binding surface 214, and moves opposite to the central axis.
  • the bite body 212 may be formed to be thinner. Therefore, the bite body 212 can be easily inserted in the molars where the molar is located, and the film holder 200 is suitable for measuring the upper right posterior part or the lower left posterior part of the posterior part.
  • it can also be formed to be mirror symmetrical so as to be suitable for the left posterior part of the upper jaw or the right posterior part of the mandible.
  • the central axis 220 extends horizontally in the bite body 212. As will be described later, the central axis 220 may have a portion having a partially circular cross section, or may have a portion having a non-circular and square cross section for fixing with another component.
  • the film support 230 is rotatably mounted relative to the bite body 212.
  • the film support 230 includes a film support plate 232 and the shaft receiving portion 235, the shaft receiving portion 235 is connected to the film support plate 232 to one side in the state receiving the central axis 220 do. Therefore, the shaft receiving unit 235 physically connects the film indicating unit 240 and the film support plate 232, the film indicating unit 240 may display the rotation angle of the film support plate 232, and the user may use the film indicating unit ( By rotating 240, the rotation angle of the film support plate 232 may be adjusted in addition to the oral cavity.
  • a fastening part 236 is formed at one side of the film support plate 232, and the film support plate 232 may be detachably mounted to the shaft receiving part 235 through the fastening part 236.
  • the user can attach a digital film or the like to the film support plate 232, and can assemble the film support plate 232 to the shaft receiving portion 235 together with the mounted film.
  • only one side of the film support plate 232 is connected to the shaft receiving portion, and the front surface of the film support plate 232. It is located so as to involve this substantially central axis 220, and even if the film support plate 232 rotates, the fastening part 236 etc. can be prevented from touching a tooth.
  • the film indicator 240 extends in the shape of a rod to an end of the film support 230.
  • the film indicator 240 is preferably spaced apart from the bite body 212 by a predetermined distance, i.e., the bite body 212 is not disturbed by the face of the patient, assuming that the bite body 212 is bitten by the teeth.
  • the end of the bite indicator 260 also includes a rectangular hole corresponding to the rectangular cross section of the central axis 220, and the circular hole is also formed at the end of the irradiation indicator 250 corresponding to the outermost circular cross section of the central axis 220. Is formed.
  • a screw-shaped fixing cap 222 may be formed at the end of the central shaft 220, and the pressure between the film support 230, the radiation indicating unit 250, and the bite indicating unit 260 is fixed through the fixing cap 222. Interlocking can be adjusted.
  • the film support 230, the radiation indicating unit 250, and the bite indicating unit 260 are fixed by friction about the central axis 220.
  • the projections around the central axis to increase the frictional force, etc. Can be formed.
  • the film indicating unit 240 or the byte indicating unit 260 may be formed with a scale 262 for expressing an angle, and by measuring the angle between the byte indicating unit 260 and the film indicating unit 240, the byte unit 210 and The angle between the film supports 230 can be measured in real time.
  • the film indicator 240 is simply provided in a rod shape extending in the vertical direction from the central axis 220, but alternatively has a rotating part corresponding to the rotation of the central axis to sense and digitize the rotation of the rotating part. It may be provided as a display unit expressing in a fashioned manner.
  • the radiation indicating unit 250 is for predicting and guiding the irradiation angle of the radiation center line in advance.
  • the radiation indicating unit 250 is provided in a rod shape, and when provided in a rod shape, an aming guide thereon. 290 is slidably mounted.
  • the aming guide 290 may be in close contact with the irradiation part of the radiation source, and the dentist or dental hygienist may easily position the radiation source by moving and fitting the irradiation part of the equipment installed in the predetermined aming guide 290.
  • a variety of means for adjusting the irradiation angle and direction of the radiation source can be used.
  • FIG. 6 is a rear perspective view illustrating the film support plate in the film holder of FIG. 4
  • FIG. 7 is a rear view illustrating the bite portion in the film holder of FIG. 4.
  • the film accommodating part 233 is formed on the rear surface of the film support plate 232.
  • the film accommodating part 233 is for accommodating an analog or digital type film.
  • the film irradiating surface of the film is accommodated in the film accommodating part 233 while the film supporting plate 232 is applied to the irradiating surface. It can be mounted to face the radiation generator.
  • the digital type film is connected to the rear by wires, a structure of a separate support plate for wire connection is required, but in the present embodiment, the film is mounted on the rear side of the film support plate 232 so that the film can be kept flat in front. It is also easy to install.
  • the locking jaw 234 may be formed at the peripheral edge of the film accommodating part 233, and two or more locking jaws 234 may be formed to secure the film in the film accommodating part 233. have.
  • the front surface of the film support plate 232 is blocked, but in some cases the front surface of the film support plate 232 may be provided in an open form, the support frame of the frame frame shape for fixing the film This may be provided.
  • the bite body 212 has a structure that becomes thinner toward the opposite side of the central axis 220, which may be referred to to facilitate insertion of the bite body 212 in the posterior portion.
  • the first tooth engagement surface 214 and the second tooth engagement surface 216 are each formed with an uneven line having projections of a triangular cross section, and at the end of the central axis 220 has a rectangular cross section and a circular cross section. The part is formed.
  • FIG. 8 is a side cross-sectional view illustrating a process of performing an isometric photographing method using the film holder of FIG. 4.
  • the user after the user mounts the appropriate film 20 on the film support 230 of the film holder 200, the user places the film support 230 and the bite portion 210 in the oral cavity of the patient and moves the patient to the patient. This causes the bite body 212 of the bite portion 210 to bite.
  • the bite body 212 can maintain a state perpendicular to the long axis of the teeth because the plurality of teeth are bited up and down, and roughly parallel to the width direction of the teeth by the irregularities of the tooth binding surface. It can be assumed that it is fixed perpendicular to the central axis of the tooth.
  • the user can find the optimum angle by rotating the film indicator 240 exposed to the outside up and down.
  • rotation of the tooth long axis and the film in a direction close to parallel may further minimize distortion by the isometric method.
  • the first tooth binding surface 214 in contact with the target tooth is formed to have a shorter length than the second tooth binding surface 216 in contact with the opposing teeth, and the central axis 220 is the first tooth binding surface.
  • 214 is provided inwardly, ie lingual. Therefore, since the rotation center is located in the oral cavity, the film support plate 232 can be easily moved in the oral cavity.
  • proximal end of the film support plate 232 is located closer to the center of the central axis than the first tooth engagement surface 214, between the first tooth engagement surface 214 and the second tooth engagement surface 216.
  • a curved surface is formed to eliminate interference, which may roughly correspond to a movement trajectory near the film support plate 232.
  • the angle of the film support 230 is not determined and may vary depending on the oral structure of the patient and the selected film support plate. In this case, since the film support 230 rotates up and down together with the film indicator 240, the most suitable position can be found in the oral cavity of the patient.
  • the scale can read the angle between the byte indicator 260 and the film indicator 240. Referring to this angle, the user can easily determine the irradiation angle of the radiation center line. As described above, when the conformal imaging method is used, the user measures the angle 2a between the byte indicating unit 260 and the film indicating unit 240, and then the byte indicating unit 260 or the film indicating unit 240 and the radiation indicating unit ( 250 may be adjusted so as to spread by a bisected angle (a).
  • the angle parallel to the irradiation instruction unit 250 may be referred to as an angle according to the isometric imaging method, and the user may adjust the irradiation angle of the radiation center line with reference to the irradiation instruction unit 250.
  • FIG. 9 is a perspective view of a film holder according to another embodiment of the present invention
  • Figure 10 is an exploded perspective view of the film holder of FIG.
  • the film holder 300 is for obtaining a radiographic image of a tooth and a tooth support structure in the anterior part of the oral cavity, which is also a bite part 310, a film support part 330, and a film indicating part ( 340, and a radiation indicating unit 350.
  • the bite part 310 includes a bite body 312 and a central axis 320. Since the distance between the upper and lower teeth in the anterior portion during opening of the mandible is longer than the distance between the upper and lower teeth of the posterior tooth, the bite body 312 for the anterior portion is higher in height than the bite body 212 for the posterior portion.
  • the bite body 312 includes a first tooth engagement surface 314 for teeth to be photographed and a second tooth engagement surface 316 for antagonists of the teeth to be photographed.
  • the first and second tooth engagement surfaces 314 and 316 may be formed of an elastic resin or rubber, and may be formed of a protrusion line or an uneven line having a triangular or trapezoidal cross section. Therefore, even though the occlusal surface is very narrow like the teeth of the anterior part, the first and second tooth engagement surfaces 314 and 316 can be stably in close contact with the teeth without slipping. It can be minimized if it changes.
  • the central axis 320 extends horizontally in the bite body 312. As will be described later, the central axis 320 may have a portion having a partially circular cross section, or a portion having a non-circular or square cross section for fixing with another component.
  • the film support 330 is rotatably mounted relative to the bite body 312.
  • the film support 330 includes a film support plate 332 and the shaft receiving portion 335, the shaft receiving portion 335 is connected to the film support plate 332 to one side in the state receiving the central axis 320 do. Therefore, the shaft receiving unit 335 physically connects the film indicating unit 340 and the film support plate 332, the film indicating unit 340 may display the rotation angle of the film support plate 332, and the user may use the film indicating unit ( The rotation angle of the film support plate 332 may be adjusted in addition to the oral cavity by rotating the 340.
  • a fastening part 336 is formed at one side of the film support plate 332, and the film support plate 332 may be detachably mounted to the shaft receiving part 335 through the fastening part 336.
  • the film support plate 332 is provided vertically long so that the long axis of the film is located vertically, it is arranged so that the long axis of the film is perpendicular to the central axis (320).
  • the user may mount a digital film or the like on the film support plate 332.
  • the connection wire of the mounted film is directed toward the bite body 312, and the wire is attached to the bite body 312 and the second tooth engagement surface 316.
  • By forming a groove 318 for passing through the wire through the back of the bite body 312 can be easily drawn out through the second tooth binding surface 316, the damage of the wire by the teeth in the mandible closing Can be prevented.
  • the film holder 300 in the film holder 300 according to the present embodiment, only one side of the film support plate 332 is connected to the shaft receiving portion and corresponds to the connection portion 133. Since there is no, it is possible to prevent the rotation of the film support 330 by the other teeth around the anterior portion.
  • the film indicator 340 extends in the shape of a rod to the end of the film support 330, and the bite indicator 360 and the radiation indicator 350 are sequentially mounted to the end of the central axis 320.
  • the film indicator 340 or the film support 330 may be formed with a scale 362 for expressing the angle, by measuring the angle between the bite indicator 360 and the film indicator 340, and the bite portion 310 and The angle between the film support parts 330 can be measured in real time.
  • the scale 362 for measuring the angle may be formed in the byte portion 310 or the byte indicating portion 360.
  • the radiation indicating unit 350 is for predicting and guiding the irradiation angle of the radiation center line in advance.
  • the radiation indicating unit 350 is provided in a rod shape, and when provided in a rod shape, an aming guide thereon. 390 is slidably mounted.
  • FIG. 11 is a rear perspective view illustrating the film support plate in the film holder of FIG. 9, and FIG. 12 is a rear perspective view illustrating the bite portion in the film holder of FIG. 9.
  • the film accommodating part 333 is formed on the rear surface of the film support plate 332.
  • the film accommodating part 333 is for accommodating an analog or digital film
  • the film support plate 332 is also vertically disposed corresponding to the long axis of the film.
  • the locking jaw 334 may be formed at the peripheral edge of the film accommodating part 333, and two or more locking jaws 334 having various sizes and shapes may be formed to securely fix the film in the film accommodating part 333. I can do it.
  • the tooth engagement surfaces 314 and 316 in the bite body 312 include an uneven line formed parallel to the width direction of the tooth, and the bite body 312 and the second tooth engagement surface 316 By forming a groove in the closing can be easily passed through the wire by the tooth without damage.
  • the user After the user mounts the digital type film on the film support 330 of the film holder 300, the user places the film support 330 between the anterior teeth of the patient and causes the patient to bite the body 312 of the bite portion 310. Can bite into the teeth. Since the bite body 312 is bound by the unevenness of the tooth binding surfaces 314 and 316, it can be fixed without shaking, and the physics adjusts the position of the unevenness so that the central axis of the tooth is perpendicular to the bite portion 310. I can regulate it.
  • FIG. 13 is a view for explaining a film holder and a disposable accessory for the film holder according to another embodiment of the present invention.
  • the following description is based on the structure of the film holder for the posterior part shown in FIG. 4, but may be applied to the structure of the film holder for the anterior part shown in FIG. 9 in some cases.
  • the film holder 400 is for obtaining a radiographic image of a tooth and a tooth support structure in the anterior portion of the oral cavity, and is a disposable accessory mounted on the film holder body 401 and the film holder body 401 ( 402).
  • the disposable accessory 402 includes a bite portion 410, a central axis part 420-2, an axis receiving part part 435-2, and a film support plate 432, wherein the film holder body 401 has a central axis. 420, the shaft receiving portion 435, the film indicating portion 440, and the irradiation indicating portion 450.
  • the bite portion 410 is provided by connecting the bite body 412, the central axis part 420-2, and the central axis 420.
  • the bite body 412 includes a first tooth engagement surface for teeth to be photographed and a second tooth engagement surface 416 for antagonists of the teeth to be photographed.
  • the central axis part 420-2 extends horizontally in the bite body 412.
  • An accommodating groove 425 is formed at an end of the central axis part 420-2 corresponding to a fixing protrusion 424 formed at the end of the central axis 420, and the center axis 420 and the center are formed around the accommodating groove 425. Constraints and grooves may be formed to constrain the rotation of the shaft part 420-2.
  • the shaft receiving part 435-2 is provided on the side of the film support plate 432, and the shaft receiving part 435-2 also receives the central axis part 420-2, and the film holder body 401 It may be engaged with the shaft receiving portion 435.
  • the shaft receiving portion 435 is formed to be relatively shorter than the central axis 420 so that the central axis 420 is exposed to the outside. It may be formed in the same length.
  • the coupling structure between the film holder body 401 and the disposable accessory 402 can be variously changed under conditions that maintain the concentric structure between the central axis and the shaft receiving portion.
  • the axial separation between the central axis and the shaft receiving portion may be limited by the connecting structure of the central axis, but may also be limited by the connecting structure of the shaft receiving portion.
  • the bite body and the film support plate are disposable for positioning the receiving groove corresponding to the fixing projection of the central axis in the bite body.
  • the connection portion connected to the shaft receiving portion in the film support plate can be omitted.
  • the angle indicating film holder for intraoral radiography according to the present invention and the disposable accessory for the film holder can be used to take an apical radiograph to obtain a radiographic image of the intraoral teeth and the tooth support structure.

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  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Oral & Maxillofacial Surgery (AREA)
  • Medical Informatics (AREA)
  • General Health & Medical Sciences (AREA)
  • Veterinary Medicine (AREA)
  • Dentistry (AREA)
  • Biomedical Technology (AREA)
  • Biophysics (AREA)
  • Public Health (AREA)
  • Animal Behavior & Ethology (AREA)
  • Optics & Photonics (AREA)
  • Radiology & Medical Imaging (AREA)
  • Pathology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Molecular Biology (AREA)
  • Surgery (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • High Energy & Nuclear Physics (AREA)
  • General Physics & Mathematics (AREA)
  • Epidemiology (AREA)
  • Apparatus For Radiation Diagnosis (AREA)
  • Dental Tools And Instruments Or Auxiliary Dental Instruments (AREA)

Abstract

La présente invention a pour objet un support de film pour une radiographie péri-apicale pour l'obtention de radiographies intra-orales de dents et d'une structure de support de dents, comprenant : une unité de morsure destinée à être temporairement fixée aux dents ; et une unité de support de film montée en rotation sur l'unité de morsure, et située pour les dents dans la bouche du côté de la langue, l'unité de morsure comprenant un corps de morsure destiné à être mordu par les dents de sorte à être fixé aux dents ; et un arbre central inséré horizontalement dans la surface latérale du corps de morsure, le corps de morsure comprenant une première surface de contact des dents mise en contact avec une dent supérieure ou inférieure, et une seconde surface de contact des dents mise en contact avec l'autre dent supérieure ou inférieure. L'unité de support de film comprend : une partie de réception d'arbre qui reçoit l'arbre central, et qui est disposée en rotation ; et une plaque de support de film physiquement reliée à la partie de réception d'arbre de sorte à tourner autour du corps de morsure. L'extrémité de la plaque de support de film qui est plus proche de l'arbre central est maintenue en une position plus proche de l'arbre central qu'au moins l'une des première et seconde surfaces de contact des dents, maintenant ainsi structurellement l'extrémité de la plaque de support de film en une position plus proche de l'arbre central sans extension.
PCT/KR2010/009517 2010-01-11 2010-12-29 Support de film indicateur d'angle pour radiographie intra-orale, et composant jetable pour le support de film WO2011083932A2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020100002437A KR101098860B1 (ko) 2010-01-11 2010-01-11 구강 내 방사선 촬영을 위한 각도 지시 필름 홀더 및 그 필름 홀더를 위한 일회용 부속품
KR10-2010-0002437 2010-01-11

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WO2011083932A2 true WO2011083932A2 (fr) 2011-07-14
WO2011083932A3 WO2011083932A3 (fr) 2011-11-03

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WO (1) WO2011083932A2 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102657560A (zh) * 2012-05-11 2012-09-12 中国人民解放军总医院 牙视觉宽度测量尺

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5737388A (en) * 1994-03-03 1998-04-07 Kossila; Pauli Juhani Digital intraoral X-ray photography method and holder for picture plate or X-ray film
US6190042B1 (en) * 1998-09-29 2001-02-20 Electro Medical Systems Dental x-ray aiming device for longitudinal radiographic analysis
US20050085767A1 (en) * 2002-02-12 2005-04-21 Karim Menassa Needleless injector

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7036985B2 (en) 2004-02-25 2006-05-02 Ultradent Products, Inc. X-ray positioning device

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5737388A (en) * 1994-03-03 1998-04-07 Kossila; Pauli Juhani Digital intraoral X-ray photography method and holder for picture plate or X-ray film
US6190042B1 (en) * 1998-09-29 2001-02-20 Electro Medical Systems Dental x-ray aiming device for longitudinal radiographic analysis
US20050085767A1 (en) * 2002-02-12 2005-04-21 Karim Menassa Needleless injector

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102657560A (zh) * 2012-05-11 2012-09-12 中国人民解放军总医院 牙视觉宽度测量尺

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KR101098860B1 (ko) 2011-12-26
WO2011083932A3 (fr) 2011-11-03
KR20110082448A (ko) 2011-07-19

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