DE102010049266A1 - Method for function-related, digital manufacturing of dental prosthesis, involves digitally converting natural chewing surfaces into corresponding dental prosthesis per CAD/computer-aided manufacturing process from digital data sets - Google Patents

Method for function-related, digital manufacturing of dental prosthesis, involves digitally converting natural chewing surfaces into corresponding dental prosthesis per CAD/computer-aided manufacturing process from digital data sets Download PDF

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DE102010049266A1
DE102010049266A1 DE102010049266A DE102010049266A DE102010049266A1 DE 102010049266 A1 DE102010049266 A1 DE 102010049266A1 DE 102010049266 A DE102010049266 A DE 102010049266A DE 102010049266 A DE102010049266 A DE 102010049266A DE 102010049266 A1 DE102010049266 A1 DE 102010049266A1
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Prior art keywords
dental prosthesis
function
digital
data sets
computer
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DE102010049266A
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German (de)
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wird später genannt werden Erfinder
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    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61CDENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
    • A61C5/00Filling or capping teeth
    • A61C5/70Tooth crowns; Making thereof
    • A61C5/77Methods or devices for making crowns
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61CDENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
    • A61C13/00Dental prostheses; Making same
    • A61C13/0003Making bridge-work, inlays, implants or the like
    • A61C13/0004Computer-assisted sizing or machining of dental prostheses
    • GPHYSICS
    • G16INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR SPECIFIC APPLICATION FIELDS
    • G16HHEALTHCARE INFORMATICS, i.e. INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR THE HANDLING OR PROCESSING OF MEDICAL OR HEALTHCARE DATA
    • G16H20/00ICT specially adapted for therapies or health-improving plans, e.g. for handling prescriptions, for steering therapy or for monitoring patient compliance
    • G16H20/40ICT specially adapted for therapies or health-improving plans, e.g. for handling prescriptions, for steering therapy or for monitoring patient compliance relating to mechanical, radiation or invasive therapies, e.g. surgery, laser therapy, dialysis or acupuncture

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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)
  • Dental Tools And Instruments Or Auxiliary Dental Instruments (AREA)

Abstract

The method involves associating physically or purely digitally available model situations and bite registration relative to each other per scanning process in centric and function. Natural chewing surfaces (1) are digitally converted into a corresponding dental prosthesis per a CAD/computer-aided manufacturing (CAM) process from available digital data sets within preset patient-individual, chewing surface movement paths. A thickness of used fastening cement and individual functions in a mouth of a patient is used for manufacturing the dental prosthesis.

Description

Stand der Technik sind digitale Herstellungsverfahren von Zahnersatz bei denen zunächst das Arbeitsmodell und sein Gegenkiefer digital zusammengefügt werden, um die Kaufläche des späteren Zahnersatzes zu gestalten.State of the art are digital manufacturing methods of dentures in which first the working model and its opposing jaw are digitally assembled to make the occlusal surface of the future dentures.

Bei der Planung der Bewegungsabläufe der Kauzyklen wird aber ignoriert, dass die Kondylen des menschlichen Schädels völlig anders verhalten, als starre Artikulatoren bewegen können.When planning the movements of the chewing cycles, it is ignored that the condyles of the human skull behave completely differently than rigid articulators can move.

Es gibt alternativ die Möglichkeit – nach erfolgter Präparation – auf dann speziell angefertigten Trägerplatten, die auf die präparierten Stümpfe aufgesetzt werden – spezielle Wachse aufzutragen, die dann im Munde des Patienten dessen Kaubewegungen „aufzeichnen”.Alternatively, after the preparation has been completed, special waxes can be applied to specially prepared carrier plates which are placed on the prepared stumps, which then "record" the chewing movements in the patient's mouth.

Handwerklich werden diese Träger und Wachsregistrate später auf das zahntechnische Modell aufgesetzt und mit Modellmaterial gekontert. Wenn dann diese Teile präzise und rein vertikal zueinander geführt werden kann der Zahnersatz zunächst gegen das Zentrikregistrat konstruiert und anschließend gegen das Funktionsregistrat des Patienten eingeschliffen werden.In terms of craftsmanship, these carriers and wax registrations are later placed on the dental model and countered with model material. Then, when these parts are guided precisely and purely vertically to each other, the dentures are first constructed against the Zentrikregistrat and then ground against the Funktionsregistrat the patient.

Das, was so handwerklich erledigt wird, kann auch digital erfolgen. Hierzu benötigt man das „Ebenbild” des präparierten Stumpfes, mechanisch – als Modell – oder digital – z. B. als Scan der Mundsituation oder einer Abformung, das aufgelegte „Zentrikregistrat”, gegen welches die idealisierte Kaufläche konstruiert wird um anschließend gegen das Funktionsregistrat digital „eingeschliffen” zu werden. Beide Registrate können ebenfalls rein mechanisch oder digitalisiert verwendet werden.What is done in such a way can also be done digitally. For this you need the "image" of the prepared stump, mechanically - as a model - or digital - z. B. as a scan of the oral situation or an impression, the launched "Zentrikregistrat", against which the idealized occlusal surface is constructed to then be digitally "ground" against the function registry. Both registrates can also be used purely mechanically or digitized.

So kann Zahnersatz hergestellt werden, der – auch unter Berücksichtigung der Stärke des verwendeten Befestigungszementes und der individuellen Funktionen im Mund des Patienten – ohne weitere „Einschleifarbeiten” im Munde des Patienten eingesetzt werden kann.Thus, dentures can be made, which - even taking into account the strength of the cement used and the individual functions in the patient's mouth - can be used without further "grinding" in the mouth of the patient.

BezugszeichenlisteLIST OF REFERENCE NUMBERS

Fig. 1

1
natürliche Kaufläche
2
Fissuren
Fig. 2
1
Funktionelle Kaufläche
2
Höckerabhänge
3
Funktionsbahnen – breiter, als Fissuren
Fig. 3
1
Zahnkrone
2
Fissuren
3
Höckerabhänge
Fig. 4
1
Trägerplatte zur Aufnahme an Scanner
2
Führungsstift
3
Magnet
4
Zahnstumpf
5
Nachbarzähne
6
Krone
Fig. 1
1
natural occlusal surface
2
fissures
Fig. 2
1
Functional occlusal surface
2
inclines
3
Functional tracks - wider, as fissures
Fig. 3
1
crown
2
fissures
3
inclines
Fig. 4
1
Support plate for mounting on a scanner
2
guide pin
3
magnet
4
tooth stump
5
adjacent teeth
6
Crown

Claims (1)

Verfahren zur funktionssbezogenen, digitalen Herstellung von Zahnersatz dadurch gekennzeichnet, dass per Scanverfahren physisch oder rein digital vorhandene Modellsituationen und Bissregistrate in Zentrik und Funktion einander digital so zugeordnet werden, dass idealisierte Kauflächen z. B. aus vorhandenen digitalen Datensätzen innerhalb der, so vorgegebenen Patientenindividuellen, Kauflächenbewegungsbahnen, digital in entsprechenden Zahnersatz z. B. per CAD/CAM Verfahren umgesetzt werden können.Method for the function-related, digital production of dental prostheses, characterized in that physically or purely digitally existing model situations and bite registrations in centric and function are assigned to one another digitally by scanning method in such a way that idealized occlusal surfaces e.g. B. from existing digital data sets within the, so given patient individual, chewing surfaces, digitally in corresponding dentures z. B. can be implemented by CAD / CAM method.
DE102010049266A 2010-10-25 2010-10-25 Method for function-related, digital manufacturing of dental prosthesis, involves digitally converting natural chewing surfaces into corresponding dental prosthesis per CAD/computer-aided manufacturing process from digital data sets Withdrawn DE102010049266A1 (en)

Priority Applications (1)

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DE102010049266A DE102010049266A1 (en) 2010-10-25 2010-10-25 Method for function-related, digital manufacturing of dental prosthesis, involves digitally converting natural chewing surfaces into corresponding dental prosthesis per CAD/computer-aided manufacturing process from digital data sets

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DE102010049266A DE102010049266A1 (en) 2010-10-25 2010-10-25 Method for function-related, digital manufacturing of dental prosthesis, involves digitally converting natural chewing surfaces into corresponding dental prosthesis per CAD/computer-aided manufacturing process from digital data sets

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102013211200A1 (en) 2013-06-14 2014-12-18 Heraeus Kulzer Gmbh Scannable spoon for making a dental prosthesis

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102013211200A1 (en) 2013-06-14 2014-12-18 Heraeus Kulzer Gmbh Scannable spoon for making a dental prosthesis
EP3384872A1 (en) 2013-06-14 2018-10-10 Kulzer GmbH Scanable tray for producing a dental prosthesis
DE102013211200B4 (en) 2013-06-14 2018-11-29 Kulzer Gmbh Scannable spoon for making a dental prosthesis
US10524650B2 (en) 2013-06-14 2020-01-07 Kulzer Gmbh Scanable tray for producing a dental prosthesis

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Effective date: 20130501