WO2006130068A1 - Dispositif et instrument servant a assurer une bonne orientation d'un gabarit de foret dentaire - Google Patents

Dispositif et instrument servant a assurer une bonne orientation d'un gabarit de foret dentaire Download PDF

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Publication number
WO2006130068A1
WO2006130068A1 PCT/SE2006/000542 SE2006000542W WO2006130068A1 WO 2006130068 A1 WO2006130068 A1 WO 2006130068A1 SE 2006000542 W SE2006000542 W SE 2006000542W WO 2006130068 A1 WO2006130068 A1 WO 2006130068A1
Authority
WO
WIPO (PCT)
Prior art keywords
template
instrument
patient
zygoma
drill
Prior art date
Application number
PCT/SE2006/000542
Other languages
English (en)
Inventor
Izidor Brajnovic
Original Assignee
Nobel Biocare Services Ag
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 Nobel Biocare Services Ag filed Critical Nobel Biocare Services Ag
Publication of WO2006130068A1 publication Critical patent/WO2006130068A1/fr

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Classifications

    • 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

Definitions

  • the present invention relates to an arrangement which is used on an anesthetized patient and which, without any input from the patient and with the aid of instruments, ensures correct orientation of a drill template that has been produced from activation of the patient's bite in the conscious state.
  • the template can be formed, for example by means of stereolithography, with retainer sleeves or retainer members for application of the instrument to the template, fastening screws for fastening the template in the oriented position, and also guide sleeves for forming holes intended to extend to the zygoma from a tooth prosthesis produced by means of the template.
  • the invention also relates to an instrument for a drill template for forming holes for anchoring screws that can be secured in the zygoma.
  • the instrument is designed to extend from a respective retainer sleeve out of the patient's mouth to a position on the outside of the zygoma, and in that the instrument is designed, by means of an indicator of the hole depth, to indicate the end of the respective drill hole at the outside position for markings.
  • the invention is additionally characterized in that, upon application of the template in the anesthetized state of the patient, without bite activation, suitable application of the instruments permits adoption of the correct orientation by locating a position for the template where the instrument is oriented with the respective marking.
  • one and the same template is assigned two instruments, one for each side of the zygoma.
  • Each side of the zygoma can be assigned two drill holes and two fastening screws.
  • the retainer sleeves and guide sleeves for each zygoma side are arranged in template parts raised above the remaining inner extent of the inside of the template, and the template part for the first side of the zygoma is displaced in relation to the template part for the second side for the purpose of making free access for instruments and drills for both sides.
  • An instrument having the features characteristic of the invention is designed, in a position assigned to it on the drill template, to indicate the bottom positions of the holes on the outside of the patient in an indication phase effected in the patient's conscious state.
  • a further characteristic is that, in a subsequent orientation phase, in the same associated position on the drill template, the instrument indicates the correct orientation of the drill template in the patient's anesthetized state by acting on
  • the arrangement and the instrument also mean that the markings can be located by the instrument through tilting or orientation to the correct position of the template when the patient is anesthetized and is not able to cooperate, for example with bite movements, information, etc.
  • the template can also be formed with guide members which are activated when the template adopts the correct orientation.
  • Figure 1 shows from the front, by means of a model of the zygoma, a drill template applied in the mouth of a partially indicated patient, two instruments being connected to the template applied in the oral cavity and extending out from the corners of the patient's mouth,
  • Figure 2 shows the template and the arrangement according to Figure 1 from underneath
  • Figure 3 shows the template from underneath, with guide sleeves and retainer sleeves
  • Figure 4 shows the structure of the instrument in a horizontal view
  • Figure 5 shows the instrument according to Figure 4 in a vertical view
  • Figure 6 shows the instrument according to Figures 4 and 5 in a perspective view.
  • FIG 1 parts of a patient are indicated by 1.
  • the patient's zygoma is indicated by 2.
  • a manually produced plaster model is also indicated and is here designated by reference numbers 3, 4.
  • the drill template is designated by reference number 5, and a filler part which belongs to the drill template and which is used to simulate the mouth situation is indicated by 6.
  • the drill template is intended to permit the formation of holes for fastening screws 7, 8 and 9, 10 on each side of the zygoma.
  • the holes formed using the template thus extend from the drill template (see Figure 2) to solid parts 2a and 2b on the zygoma.
  • the direction of screwing for the various screws is established by means of the drill template. In the figure, the direction of screwing for the screw 8 has been indicated by 8' .
  • the plaster models 3, 4 are produced in a conventional manner.
  • the drill template 5, 6 is produced in computer-aided equipment by what is called stereolithography, which is already well known and will therefore not be described in any more detail here.
  • a respective instrument 11, 12 is used, which will be described in more detail below.
  • markings can be placed on the skin of the patient 1. Said markings are designated by reference numbers 13, 14 for the screws 7 and 10, respectively.
  • the template is also provided with a number (for example four) of fastening screws 15, 16, 17, 18.
  • the drill template 5, 6 is tested out with the patient 1 in a conscious state, and members located on the instruments 11 and 12 can be used to indicate the final positions, for example 19 and 20, for the holes formed in the zygoma. Said indication can involve forming said markings 13 and 14, for example with a felt-tip pen, plasters, etc.
  • the drill template can be removed and subjected to further working, for example adjustment work.
  • the patient is anesthetized thereafter, and the drill template with applied instruments is thereafter applied in the patient's mouth when the patient is considered to be in an anesthetized state. With the aid of the instruments applied in the same positions in relation to the drill template, the drill template can thereafter be applied to its correct position by the instruments indicating the markings in question.
  • the drill template can be made secure in the oral cavity/jaw bone with the aid of the fastening screws 15, 16, 17 and 18. The drilling of the holes can then take place, and the arrangement and instruments guarantee that the direction established in the computer-aided equipment can be maintained.
  • Figure 2 shows the arrangement and the instruments according to the figure from underneath.
  • the arrangement includes a retaining (mastication) compound of a type known per se.
  • Corresponding structures are also shown as in Figure 1. It will be seen for example that the fastening screw 7 extends from the drill template 4. Supporting members for the instruments are indicated by 22 and 23, respectively. The bottom of the hole for the screw 9 is also indicated here by 20, and a marking on the patient's skin on the outside of the zygoma has also been indicated by 2b.
  • Figure 4 shows the inside of the drill template 4. This shows supporting members or retainer sleeves 24, 25 for the instruments. It also shows parts 26, 27, 28 for anchoring the retaining screws (15, 16, 17, 18 according to Figure 1) . Holes for guiding the drills are indicated by 29, 30.
  • the retainer sleeves 24, 25 and the holes 29, 30 are arranged on a raised part disposed on the inside 4a of the template part or on template part 31.
  • a corresponding template part or raised part is present for sleeves and hole indicators for the second instrument and the holes.
  • This template part is not shown in the figure but can be displaced so that the instruments and drills do not obstruct one another in the installation work.
  • Figure 4 shows the structure of the instrument .
  • the instrument comprises a first part 32 and a second part 33 which is angled in relation to the first part by a first angle ⁇ / . Said angle assumes values in the angle range of 110-150° and, in the example shown, is ca . 130°.
  • the second part 3 comprises a slide 34 which is arranged to be longitudinally displaceable in the direction of the arrows 35 on the second part.
  • the slide 34 in turn bears a third part 36 which is arranged to be longitudinally displaceable in the slide in directions 37 extending substantially at right angles to the direction of movement 35 of the slide.
  • the second part can have a length scale 38 on one or both of its sides.
  • the third part is provided with a conically tapering front part 36a via or with which the end of the drill hole in question is indicated. Information on the hole length has been obtained in conjunction with the computer-aided production, and the slide 34 can be adjusted to this obtained value.
  • the first part 32 is provided with a supporting member 39 in the form of a guide sleeve or guide pin which is adapted to the retainer sleeve 24, 25.
  • the longitudinal axis of the sleeve 39 is indicated by 39a, and the longitudinal axis of the sleeve extends in relation to the longitudinal direction of the first part at an angle ⁇ / ' which is preferably ca. 60°, but can be in the range of 50-70°.
  • Figure 5 shows the configurations of the parts in a vertical section that has been turned through 90° in relation to the horizontal section according to Figure 4.
  • Figure 5 shows the presence of a manual actuation member 40 by means of which the slide 34 can be locked onto the second part 33 in different longitudinal displacement positions.
  • the actuation member 40 is also intended to allow the longitudinal displacement position of the third part 36 to be locked in relation to the second part 33.
  • Figure 6 shows a perspective view of different parts of the instrument and their mutual positions.
  • the parts 33 and 36 are arranged with longitudinal depressions so that they can be locked onto one another by means of the actuation member 40 which, when screwed down, presses the bottom part of the part 36 against the top part of the part 33 so that the slide 34 is locked onto the part 33 and the part 36 is locked onto the slide
  • the instrument parts can be locked in their positions on the template during the displacement between said states.
  • the drills/holes can be made continuous, and the drill tips can be seen through the skin.

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 Tools And Instruments Or Auxiliary Dental Instruments (AREA)

Abstract

La présente invention concerne un dispositif servant à assurer une bonne orientation d'un gabarit de foret (5, 6) qui a été produit à partir de l'activation de la fermeture des mâchoires du patient alors à l'état conscient et qui a été exécuté à l'aide d'un procédé connu au moyen d'un équipement assisté par ordinateur par stéréolithographie. Le gabarit peut être doté de manchons de retenue (24, 25) permettant d'appliquer l'instrument sur le gabarit. Des vis de fixation sont utilisées pour fixer le gabarit dans la position orientée. Des manchons de guidage (24, 25) sont utilisés pour former des trous conçus pour s'étendre jusqu'à l'os zygomatique (2) depuis une prothèse dentaire produite au moyen du gabarit. Un instrument est conçu pour s'étendre depuis un manchon de retenue correspondant à l'extérieur de la bouche du patient vers un emplacement sur l'extérieur de l'os zygomatique. L'instrument est conçu, au moyen d'un indicateur de la profondeur du trou, pour indiquer la fin du trou de foret correspondant au niveau de la position extérieure pour des repères qui sont appliqués lorsque le patient est conscient. Lors de l'application du gabarit alors que le patient est sous anesthésie, l'application appropriée des instruments garantit une bonne orientation de par la localisation d'un emplacement pour le gabarit dans lequel l'instrument est orienté à l'aide du repère correspondant. Cette invention concerne également un instrument qui peut être utilisé dans le dispositif. Cette invention permet d'obtenir une direction sûre du trou de foret sur des parties solides de l'os zygomatique sans risque de mauvais guidage en direction de la cavité orbitale ou dans la cavité orbitale.
PCT/SE2006/000542 2005-06-03 2006-05-05 Dispositif et instrument servant a assurer une bonne orientation d'un gabarit de foret dentaire WO2006130068A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE0501284-4 2005-06-03
SE0501284 2005-06-03

Publications (1)

Publication Number Publication Date
WO2006130068A1 true WO2006130068A1 (fr) 2006-12-07

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/SE2006/000542 WO2006130068A1 (fr) 2005-06-03 2006-05-05 Dispositif et instrument servant a assurer une bonne orientation d'un gabarit de foret dentaire

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WO (1) WO2006130068A1 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102007044781A1 (de) * 2007-09-19 2009-04-02 Flemming Dental Gmbh Bohrerpositionier- und Messeinrichtung
WO2013152410A1 (fr) 2012-04-12 2013-10-17 Rodrigues Machado Asbel Procédé de positionnement de tube guide sur une plaque de matériau polymère, support référentiel tomographique et dispositif de positionnement de tube guide
US20200330185A1 (en) * 2019-04-19 2020-10-22 Mei-Hua Lee Dental implant surgical guide and manufacturing method thereof
FR3117769A1 (fr) * 2020-12-23 2022-06-24 Gérard Scortecci Dispositif de Guidage pour la pose d'implant maxillo-zygomatique

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3344525A (en) * 1966-01-14 1967-10-03 William H Harris Precision dental paralleling process and apparatus
US6030211A (en) * 1997-07-21 2000-02-29 Sandhaus; Sami Guide apparatus for instruments, in particular for orthodontal and dental instruments
US6926525B1 (en) * 1999-11-10 2005-08-09 Jørn Rønvig Instrument for the parallel installation of dental implants

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3344525A (en) * 1966-01-14 1967-10-03 William H Harris Precision dental paralleling process and apparatus
US6030211A (en) * 1997-07-21 2000-02-29 Sandhaus; Sami Guide apparatus for instruments, in particular for orthodontal and dental instruments
US6926525B1 (en) * 1999-11-10 2005-08-09 Jørn Rønvig Instrument for the parallel installation of dental implants

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102007044781A1 (de) * 2007-09-19 2009-04-02 Flemming Dental Gmbh Bohrerpositionier- und Messeinrichtung
DE102007044781B4 (de) * 2007-09-19 2015-10-15 Manfred Nilius Bohrerpositionier- und Messeinrichtung
WO2013152410A1 (fr) 2012-04-12 2013-10-17 Rodrigues Machado Asbel Procédé de positionnement de tube guide sur une plaque de matériau polymère, support référentiel tomographique et dispositif de positionnement de tube guide
US20200330185A1 (en) * 2019-04-19 2020-10-22 Mei-Hua Lee Dental implant surgical guide and manufacturing method thereof
US11826212B2 (en) * 2019-04-19 2023-11-28 Mei-Hua Lee Dental implant surgical guide and manufacturing method thereof
FR3117769A1 (fr) * 2020-12-23 2022-06-24 Gérard Scortecci Dispositif de Guidage pour la pose d'implant maxillo-zygomatique
EP4018961A1 (fr) * 2020-12-23 2022-06-29 Gérard Scortecci Dispositif de guidage pour la pose d'implant maxillo-zygomatique

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