WO2012055404A2 - Artikulator, gelenkteil für einen artikulator sowie verfahren zu dessen herstellung - Google Patents
Artikulator, gelenkteil für einen artikulator sowie verfahren zu dessen herstellung Download PDFInfo
- Publication number
- WO2012055404A2 WO2012055404A2 PCT/DE2011/075259 DE2011075259W WO2012055404A2 WO 2012055404 A2 WO2012055404 A2 WO 2012055404A2 DE 2011075259 W DE2011075259 W DE 2011075259W WO 2012055404 A2 WO2012055404 A2 WO 2012055404A2
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- patient
- joint
- specific
- articulator
- socket
- Prior art date
Links
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
- A61C11/00—Dental articulators, i.e. for simulating movement of the temporo-mandibular joints; Articulation forms or mouldings
- A61C11/02—Dental articulators, i.e. for simulating movement of the temporo-mandibular joints; Articulation forms or mouldings characterised by the arrangement, location or type of the hinge means ; Articulators with pivots
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
- A61C11/00—Dental articulators, i.e. for simulating movement of the temporo-mandibular joints; Articulation forms or mouldings
- A61C11/06—Dental articulators, i.e. for simulating movement of the temporo-mandibular joints; Articulation forms or mouldings with incisal guide
Definitions
- ARTICULATOR GUIDANCE PART FOR AN ARTICULATOR AS WELL
- the invention relates to an articulator, a hinge part for an articulator and method for producing the joint part and a computer program product for automatically carrying out certain steps of the method.
- Articulators are known. They serve to simulate temporomandibular joint movements. They comprise an upper part for holding a dental arch model of the
- Movements and / or positions of the lower jaw relative to the upper jaw of a patient are representative, and generate among other setting tables with values for adjusting the joint mechanisms of standard articulators.
- the invention has for its object to provide an articulator, with which the patient-specific movement possibilities of the temporomandibular joints can be simulated very accurately, without requiring a time-consuming adjustment of
- the independent claim 9 relates to a
- the independent claim 15 relates to a computer program product comprising instructions for the automatic execution of certain steps of the method according to the invention.
- the articulator according to the invention comprises an upper part for holding a
- the articulator can be designed both as an Arcon and as a non-Arcon articulator, ie the at least one joint socket can both the
- the invention makes it possible, in a simple and cost-effective manner
- patient-specific sockets which, thanks to modern manufacturing methods such as CNC milling or rapid prototyping is possible cost-effectively.
- patient-specific sockets can be stored together with models of the dental arches and, as will be described below, are used in an articulator, so that the time-consuming and thus expensive setting complicated joint mechanisms completely eliminated.
- Fig. 1 shows schematically a first embodiment of a
- FIG. 2 shows schematically in an exploded perspective view an upper and a lower joint part for an articulator according to FIG. 1.
- FIGS. 3 and 4 schematically show the lower joint part according to FIG. 2 from different perspectives.
- Fig. 5 shows schematically a second embodiment of a
- Fig. 6 shows schematically the lower part of the articulator of FIG. 5, from which the upper part is removed. schematically shows the upper part of the articulator of FIG. 5 removed upper part.
- FIG. 8 schematically shows the anterior guidance part of the articulator according to FIG.
- Fig. 9 shows a highly schematic part of a joint with patient-specific
- FIG. 10 shows schematically a third embodiment of a
- Anterior guide part are provided.
- a first embodiment of an articulator designated in its entirety by 10 is shown, the upper part 12 for holding a
- Dental arch model 14 of the upper jaw of a patient and a lower part 16 for Holder of the dental arch model 18 of the lower jaw of the patient comprises.
- the upper and lower parts are detachably connected to one another via a combination of joint socket and joint head permitting a TMJ movement simulation.
- the lower part 16 with a first joint part 20 and the upper part 12 are connected to a second joint part 22 in this embodiment.
- connection can be made so that the upper and the lower part can be easily removed from the joint parts, e.g. to allow the attachment of dental arch models to the upper and lower part.
- dental arch models firmly on the at this
- first joint part 20 is shown from different perspectives. 2, the second joint part 22 is also shown.
- the second joint part 22 has a first joint head 24 with a first rod-shaped projection 26 and a second joint head
- the first joint part 20 can be seen clearly in particular in FIGS. 3 and 4 and, in this exemplary embodiment, is patient-specific, so that in the
- Therapeutic splints Cooperation of the first and second joint part a simulation of the actual patient of the respective executable TMJ movements is possible, for example.
- Therapeutic splints, temporaries, dentures, etc. to be optimally adapted.
- Therapeutic splints are adapted to a relief of tooth surfaces of the lower and / or upper jaw. These are so-called.
- Vacuum thermoforming methods are known in which a heated film on modeled tooth surfaces of a Oberkiefergebißmodellhdon or a
- a temporary e.g.
- a modeled tooth on a denture model is abraded in accordance with a planned dental treatment
- the abraded dentition model is scanned with a 3D scanner and simulated with CAD software
- the CAD software is simulated a model of the tooth adapted provisional and in a fourth step, the adapted temporary with a CAM machine using the
- pathological changes can be determined by methods known per se for examining the position of the condyles and corresponding data can be obtained from the patient. Suitable examination methods are e.g. dynamic
- Examination methods such as registration techniques, manual functional analysis, instrumental functional analysis, static examination procedures such as X-ray, panoramic tomography, transcranial eccentric skull imaging, computer tomograms, occipitofrontal skull imaging, lateral cephalograms, digital volume tomograms, MRI scans, and high-frequency arthrosonograms.
- the first joint part can then be customized for a specific patient.
- Joint part 20 a joint socket 32, which is provided in this embodiment with a stepped recess 34 which cooperates with the first projection 26 on the second hinge part 22 and a first patient-specific
- Deviation represents a second individualization of the articulator.
- the second hinge part further has a seat 36 in which in this
- Embodiment grooves 38 open. In the intended
- the seat 36 cooperate with the second condyle 28 and the second projection 30 with the grooves 38, the grooves 38 with the projection 30 form a so-called.
- the grooves 38 are designed patient-specific and thus represent a third individualization of the articulator.
- the surface of the seat 36 may differ patient-specific from a part spherical surface, such a deviation represents a fourth individualization of the articulator.
- the guide rod 40 ( Figure 2) is used to move the maxillary dental arch model relative to
- the guide rod 40 can through the second
- Articulated part 22 to be passed so that one of its ends forms the second rod-shaped projection 30.
- the first hinge part 20 may be made of a block of material, e.g. a hard plastic, in which the grooves 38, the seat 36, the socket 32 and the
- Recess 34 are fully automatically milled based on the patient-specific data. It can also be created by means of a suitable rapid prototyping method. Apart from the mentioned individualizations can easily more
- Customizations are carried out, e.g. by variations in the length of the first and / or second protrusion, to which this e.g. in the area of the second
- Joint part can be formed as a threaded bolt, so that can be adjusted by rotating the rod-shaped projections relative to the hinge part, as far as they project from the second hinge part.
- the patient data acquired to create the first joint part can advantageously also be used to plan virtually therapeutic measures, for example a therapeutic splint, and to test it on a virtual jaw model of the patient.
- An actual therapeutic splint or the like can then easily automatically by feeding the obtained and possibly edited data in a CNC machine by milling from a block of material, through
- Polymerization can be generated by means of rapid prototyping or in another automatic manner.
- Entity shown with 50 designated articulator with dental arch models of a patient used, in Fig. 7, the dental arch model is shown only highly schematized, without showing the individual teeth.
- the upper part 52 and the lower part 54 of the articulator 50 each have three arms 56, 58, 60, 62, 64, 66.
- spacers 68 and 70 are provided, at their free ends in each case a condyle 72, 74 is located, approximately in the area in which the condyles were in a patient. Therefore, this articulator is an articulator of the Arcon type.
- Front tooth guide member 76 provided, as shown in Fig. 8 in detail.
- receptacles for interchangeable holders of joint parts 80, 82 are provided, in which patient-specific manufactured sockets 84 and 86 are formed.
- an anterior guide rod 88 is provided which upon placement of the upper 52 on the lower part 54 with the
- Anterior guide member 76 cooperates while the rod ends 72 and 74 engage in the sockets 84 and 86.
- the anterior guide member 76 has various guide grooves in which the anterior guide rod 88 can be manually guided (see Fig. 5) to simulate typical temporomandibular joint movements of the patient.
- To ensure a secure state of the articulator has three feet 90, which can be designed slip-resistant and height-adjustable.
- the joint parts 80 and 82, but also the anterior guide part 76 can be easily and before on the basis of the patient data as described above cost-effectively finished, for example by milling or by rapid prototyping. In this case, for example, can proceed so that of a
- FIG. 10 schematically shows a third exemplary embodiment of a
- articulator 100 which is designated in its entirety by 100 and similar to that of FIG. Similar to the articulator shown in Fig. 5 also has the articulator 100 has a top 102 and a lower part 104, each having three arms 106, 108, 1 10 (upper part) and 1 12, 1 14, 1 16 (lower part), wherein at the free ends of the arms 1 14 and 1 16 of the lower part 104 each have a spacer 1 18, 120 is provided.
- the spacers 1 18, 120 are connected to each other in this embodiment via a cross-brace 122.
- a quick-release receptacle 124 which serves for holding a dental arch model provided with a corresponding connecting element.
- the articulator 100 shown in Fig. 10 is of the non-Arcon type, what it is in this
- Embodiment allowed to attach to the upper part 102 both a patient-specific manufactured anterior guidance part 126 and two patient-specific manufactured joint parts 130, of which only one can be seen in the figure.
- the cooperating with the anterior guide portion 126 guide rod 138 and cooperating with the joint parts 130 rod ends are in this
- Embodiment provided on the lower part 104 Embodiment provided on the lower part 104.
Landscapes
- Health & Medical Sciences (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Dentistry (AREA)
- Epidemiology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Dental Prosthetics (AREA)
Abstract
Description
Claims
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE112011104140T DE112011104140A5 (de) | 2010-10-28 | 2011-10-28 | Artikulator, Gelenkteil für einen Artikulator sowie Verfahren zu dessen Herstellung |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102010060224.8 | 2010-10-28 | ||
DE102010060224 | 2010-10-28 |
Publications (2)
Publication Number | Publication Date |
---|---|
WO2012055404A2 true WO2012055404A2 (de) | 2012-05-03 |
WO2012055404A3 WO2012055404A3 (de) | 2012-06-21 |
Family
ID=45569517
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/DE2011/075259 WO2012055404A2 (de) | 2010-10-28 | 2011-10-28 | Artikulator, gelenkteil für einen artikulator sowie verfahren zu dessen herstellung |
Country Status (2)
Country | Link |
---|---|
DE (1) | DE112011104140A5 (de) |
WO (1) | WO2012055404A2 (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
IT201800010067A1 (it) * | 2018-11-06 | 2020-05-06 | Gian Maria Piras | Articolatore individuale |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5141433A (en) * | 1990-05-07 | 1992-08-25 | Peterson Kenneth N | Dental articulator |
DE102007014088A1 (de) * | 2007-03-21 | 2008-09-25 | Dreve Prodimed Gmbh | Verfahren zur generativen Herstellung von individuellen, dentalen Formen für Artikulatoren |
WO2009137509A2 (en) * | 2008-05-05 | 2009-11-12 | Great Lakes Orthodontics Ltd. | Method of designing custom articulator inserts using four-dimensional data |
-
2011
- 2011-10-28 WO PCT/DE2011/075259 patent/WO2012055404A2/de active Application Filing
- 2011-10-28 DE DE112011104140T patent/DE112011104140A5/de not_active Withdrawn
Non-Patent Citations (1)
Title |
---|
JANKELSON R.: "Neuromuscular Dental Diagnosis and Treatment", 1990, ISHIYAKU EUROAMERICA, INC. |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
IT201800010067A1 (it) * | 2018-11-06 | 2020-05-06 | Gian Maria Piras | Articolatore individuale |
Also Published As
Publication number | Publication date |
---|---|
DE112011104140A5 (de) | 2013-09-12 |
WO2012055404A3 (de) | 2012-06-21 |
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