WO2016113680A1 - Procédé de fabrication de butée de prothèse dentaire, dispositif et machine pour mettre en œuvre le procédé et butée obtenue par le procédé - Google Patents

Procédé de fabrication de butée de prothèse dentaire, dispositif et machine pour mettre en œuvre le procédé et butée obtenue par le procédé Download PDF

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Publication number
WO2016113680A1
WO2016113680A1 PCT/IB2016/050140 IB2016050140W WO2016113680A1 WO 2016113680 A1 WO2016113680 A1 WO 2016113680A1 IB 2016050140 W IB2016050140 W IB 2016050140W WO 2016113680 A1 WO2016113680 A1 WO 2016113680A1
Authority
WO
WIPO (PCT)
Prior art keywords
insert
stump
support
abutment
orientation
Prior art date
Application number
PCT/IB2016/050140
Other languages
English (en)
Inventor
Alexandre FOREST
Original Assignee
Poly Shape
Biotech Dental
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 Poly Shape, Biotech Dental filed Critical Poly Shape
Publication of WO2016113680A1 publication Critical patent/WO2016113680A1/fr

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
    • A61C13/00—Dental prostheses; Making same
    • A61C13/0003—Making bridge-work, inlays, implants or the like
    • A61C13/0006—Production methods
    • A61C13/0013—Production methods using stereolithographic techniques
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
    • A61C13/00—Dental prostheses; Making same
    • A61C13/0003—Making bridge-work, inlays, implants or the like
    • A61C13/0006—Production methods
    • A61C13/0018—Production methods using laser
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
    • A61C13/00—Dental prostheses; Making same
    • A61C13/0003—Making bridge-work, inlays, implants or the like
    • A61C13/0022—Blanks or green, unfinished dental restoration parts
    • 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
    • A61C8/0048—Connecting the upper structure to the implant, e.g. bridging bars
    • A61C8/005—Connecting devices for joining an upper structure with an implant member, e.g. spacers
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
    • A61C13/00—Dental prostheses; Making same
    • A61C13/12—Tools for fastening artificial teeth; Holders, clamps, or stands for artificial teeth
    • 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
    • A61C8/0018—Means to be fixed to the jaw-bone for consolidating natural teeth or for fixing dental prostheses thereon; Dental implants; Implanting tools characterised by the shape
    • A61C8/0037—Details of the shape
    • A61C2008/0046—Textured surface, e.g. roughness, microstructure

Definitions

  • the production of prostheses on an implant is achieved via an interface situated between the implant and the crown: the dental abutment
  • the dental abutment has a prominent role in success regarding the implant on account of the fact that it provides both the transmission of the occlusal forces and an aesthetic component by the healing of the gum tissues.
  • each abutment is specific to an implant and to a crown, which crown is produced on a case-by-case basis.
  • the lower part of the abutment must be precisely configured according to the implant, and an upper part of the implant is configured according to the crown which represents the tooth to replace.
  • abutments may therefore be manufactured using different methods.
  • they may be manufactured using a standard method which consists of purchasing abutments of generic forms from a catalog then having them adjusted by the prosthetist in order to configure them to the needs of the anatomical sectors concerned.
  • they may be manufactured using a customized method which consists in particular in conventional unitary machining based on a blank of material, generally of chromium-cobalt or titanium in encapsulation-casting by the lost-wax technique over a "burnout" abutment.
  • This method makes it possible to obtain geometries that are suited to the prosthetic and anatomical morphologies of the patient.
  • an implant abutment for a dental prosthesis comprising:
  • An abutment according to the invention thus comprises a lower part, formed to begin with by the insert, which is standard, and an upper part, formed by the stump, which is made to measure.
  • the design constraints proved not to be as severe for the upper part as for the lower part.
  • the lower part it has proved possible for the lower part to have a standard geometry provided it has the desired surface state as well as specific geometric and dimensional tolerances, while the upper part may have a more arbitrary surface state provided the geometry is configured according to the crown.
  • the abutment according to the invention is in part formed in a standard manner and in part made to measure.
  • the method thus makes it possible to obtain unitary implant abutments, for example of metal, such as titanium or a chromium-cobalt alloy, but also of ceramic, in particular by laser melting additive manufacturing technology, in a particularly fast and economical way.
  • metal such as titanium or a chromium-cobalt alloy
  • ceramic in particular by laser melting additive manufacturing technology
  • the method comprises a step of sending data representing geometrical features of the stump to a manufacturing machine.
  • the step of forming the stump for example comprises a step of welding a base of the stump to the insert and/or for example a step of sintering or of melting of a metal or ceramic powder.
  • the method comprises a step of positioning the insert on a on a plate prior to the step of forming the stump.
  • the step of positioning the insert on the plate comprises a step of inserting the insert into a cavity of the plate with a predetermined orientation and indexation, in particular by virtue of a system for holding orientation and indexation of the insert in the cavity.
  • a surface of the insert is flush with an upper, planar, surface of the plate.
  • Orientation here means an angular positioning of the insert relative to another element, for example relative to the cavity in which it is inserted or an intermediate element
  • indexation here means a longitudinal positioning of the insert relative to another element, for example relative to the cavity in which it is inserted or an intermediate element.
  • the step of positioning the insert comprises a step of inserting the insert into a support in a predetermined orientation.
  • the method comprises a step of inserting the support into a body of a clamping device in a predetermined orientation.
  • the method comprises a step of inserting the body of the clamping device into a cavity of the plate in a predetermined orientation.
  • the method comprises a step of simultaneously forming a plurality of stumps, each stump being formed from a corresponding insert.
  • stumps are formed at least during the same baking operation.
  • a device is provided to implement the method as described above.
  • the device comprises for example a plate comprising a planar upper surface and a plurality of cavities, the cavities being disposed in a matrix arrangement on the upper surface.
  • the device comprises at least one insert inserted into a cavity, a surface of the insert being flush with the planar upper surface of the plate, and the device comprises a system for holding orientation and indexation of the insert in the cavity.
  • the surface of the insert is a planar surface.
  • the insert is inserted into a support and the support comprises a system for holding orientation of the insert in the support.
  • the support is inserted into a body of a clamping device and the body comprises a system for holding orientation and indexation of the support in the body.
  • the system for holding orientation and indexation of the body comprises for example at least one key inserted into an aperture of the body holding at least indexation of the support in the body.
  • the device comprises a system for holding orientation of the body in a cavity.
  • the device comprises a plurality of inserts which are all identical, each of the inserts being inserted into one of the cavities.
  • a machine is also provided for implementing the method as described above comprising a device comprising all or some of the above-mentioned features.
  • an abutment comprising an insert and a stump, the insert and the stump being constituted by a same material and optionally defining between them a sintering interface.
  • the insert comprises an upper part having a roughness (Ra) comprised between for example approximately 0.1 ⁇ and 0.3 ⁇ , preferably approximately 0.2 ⁇ , referred to as "mirror finish”.
  • the insert also comprises a lower part having a roughness (Ra) comprised between approximately 0.7 ⁇ and 0.9 ⁇ , preferably 0.8 ⁇ .
  • the stump for example has a roughness (Ra) comprised between approximately 5 and 10 ⁇ .
  • Figure 1 shows an exploded view of a dental prosthesis comprising a crown, an abutment and an implant.
  • Figure 2 is a diagram of a prosthesis positioned in a jaw of a patient.
  • Figure 3 presents an abutment insert according to an example embodiment of the present invention
  • Figures 4 and 5 present the insert of the abutment of Figure 3 surmounted by a stump in course of formation ( Figure 4) and fully formed ( Figure 5) according to an example embodiment of the present invention.
  • Figure 6 presents a cross-section of an abutment according to an example embodiment positioned in an implant.
  • Figures 7 and 8 illustrate a positioning of an insert on a support
  • Figures 9 and 10 illustrate an exploded view and cross-section of a clamping device of an assembly comprising the insert and the support according to an example embodiment of the present invention
  • Figure 1 1 presents a plate according to an example embodiment of the present invention
  • Figure 12 shows the plate of Figure 1 1 of which all the cavities comprise a clamping device
  • Figure 13 diagrammatically represents a manufacturing machine manufacturing several abutments simultaneously
  • Figure 14 presents an example of an abutment produced according to an embodiment of the present invention.
  • a dental prosthesis 10 conventionally comprises three main elements: a crown 1 1 , an abutment 12 and an implant 13.
  • the crown 1 1 is generally produced from ceramic and has the form of the tooth to be replaced. It is connected to the implant 13 via the abutment 12. To that end, the crown 1 1 comprises an aperture 18 in which is inserted a first part 16 of the abutment 12 and the crown 1 1 is joined therewith for example by sealing.
  • the implant 13 enables the prosthesis to be anchored in the jaw of a patient.
  • the implant 13 comprises a shank 14, for example threaded, and an aperture 15 formed in line with the shank 14 into which inserts a second part 17 of the abutment 12.
  • the abutment 12 and the implant 13 are for example attached together by screwing.
  • the abutment 12 thus comprises two parts: the first part 16, or upper part, and the second part 17, or lower part.
  • the abutment 12 is at least partly, or even wholly, recessed, as for example shown by Figure 2 wherein the prosthesis, such as the prosthesis 10 of Figure 1 , is assembled and inserted into a jaw of a patient between two teeth. It is furthermore visible that the implant 13 serves as a root for the artificial tooth which the prosthesis 1 0 constitutes.
  • the abutment 12 has a symmetry of revolution.
  • the lower part 17 has a substantially conical shape and comprises two ends of which one, an upper end forming a junction with the upper part 16, has a greater diameter than the other, a lower end forming a free end of the lower part 17 adapted to be inserted deeper into the implant 13. Furthermore, here, from the junction end with the upper part 16 to the free end, the lower part 17 has a diameter which decreases substantially regularly.
  • the upper part 16 here has a flared conical shape. It also comprises two ends one of which, a lower end, forms the junction with the lower part 17 and the other, an upper end, forms a free end configured to be inserted deeper into the crown 1 1 .
  • the lower end has greater diameter than the upper end and, here, the upper part 16 has a diameter which increases from the upper end to the lower end while flaring towards the lower end.
  • Figures 3 to 5 show how a abutment 20 is obtained according to an example embodiment of a method according to the invention.
  • the abutment 20 is formed from an insert 21 shown individually in Figure 3, which may have been machined for the needs of the prosthesis.
  • the insert 21 has a symmetry of revolution and comprises two parts: a lower part 22 and an upper pat 23 formed in line with each other along an axis of revolution of the insert. Furthermore, an outside wall of the lower part 22 and of the upper part 23 are for example smooth, free of screw thread, and with a desired surface state.
  • the lower part 22 comprises a connector portion 25 for connection with a future implant 27.
  • the connector portion 25 comprises for example at least one flute serving for indexation and angular orientation of the abutment relative to the implant when it is inserted therein.
  • the upper part 23 corresponds to what is referred to as a "transgingival" part of the insert. It comprises two ends one of which serves as an interface with the lower part 22 and the other comprises a planar surface 24, which is for example at a right angle to the axis of revolution of the insert.
  • the method according to an example embodiment of the present invention consists in starting from such an insert 21 , possibly machined if need be, taking the connector portion of the corresponding implant system, as illustrated for example in Figure 3, and in forming thereon, for example by additive manufacture by laser melting, the form of a customized unitary stump 26 (shown in Figures 4 and 5) which the prosthetist and/or the dentist will have determined in advance, and will have sent, for example by a 3D file.
  • the stump 26 may thus have any type of form.
  • the stump 26 is formed on the planar surface 24 of the insert and on account of the method generating a molten bath from the powder thereon, the junction between the two elements is produced by welding.
  • the insert and the stump are for example of the same material. They are for example produced from metal or from ceramic.
  • the abutment 20 so formed is then inserted into the implant 27.
  • a joining screw 28 is for example inserted into a longitudinal hole 29 passing entirely through the abutment 20 for the purpose of joining the abutment to the implant.
  • a head of the joining screw 28 comes to bear on the stop formed on a wall of the longitudinal hole 29 of the insert 21 , which may possibly be the planar surface 24, and a threaded shank of the joining screw 28 engages in an at least partly tapped hole of the implant 27.
  • the implant 27 comprises an external screw thread for the purpose of its positioning in the jaw of a patient.
  • the insert 21 is inserted into a support 30 which is for example here an analogous dental implant.
  • the support 30 comprises a segment 31 , referred to as upper segment 31 , of external section which is circular here and of uniform diameter which extends from one end of the support 30, referred to as upper end.
  • the upper segment 31 comprises a hole 32, opening at the upper end, at least part of which has a form that is complementary with the lower part 22 and in particular with the connection portion 25 so as to hold the insert 21 in a predetermined fixed orientation in the support 30.
  • the device comprises a system for holding orientation between the insert and the support formed in part by the part having a zone of form complementary to the connector portion 25, the orientation holding being achieved here by its cooperation with the connector portion 25.
  • the support 30 further comprises two distinct truncated portions 33,
  • the portions 33 and 34 which here each comprise a flat 35, 36.
  • the portions 33 and 34 have a circular external section of the same diameter as the upper segment 31 .
  • the flat 35 of the portion 33 and the flat 36 of the portion 34 are coplanar.
  • the portion 34 here extends from an opposite end of the support 30 to the upper end, which is thus referred to as the lower end.
  • the portion 33 here extends remotely from the upper end and from the lower end of the support 30.
  • the portion 33 is distinct from the portion 34 in that there extends between the portion 33 and the portion 34 a segment 37 of smaller external section, which furthermore is circular here.
  • the portion 33 is distinct from the upper end in that there extends between them the upper segment 31 .
  • the support 30 with the insert 21 are then introduced into a body 41 of a clamping device 40, also designated body 41 for convenience, as Figures 9 and 10 illustrate; the clamping device 40 comprising the body 41 and a key 48 which will be described later.
  • the body 41 here comprises a first part 42 and a second part 43.
  • the first part 42 is here referred to as lower part. It is of substantially cylindrical shape with a circular section and also comprises a flat 44 which, in cooperation with the screw 48, serves to hold the clamping device 40 rotationally when it is inserted into a cavity of a plate, as will be described later with reference to Figures 1 1 and 12.
  • the second part 43 here surmounts the first part 42 thereby forming what is referred to as upper part. It also has a substantially cylindrical shape with a circular section. Furthermore, it has a diameter which is greater here than a diameter of the first part 42.
  • the body 41 further comprises a hole 45.
  • the hole 45 is at least formed from an upper surface 46 from which extends the second part 43. Furthermore, in the present example embodiment, the hole 45 passes entirely through the body 41 , that is to say that it extends within the first part 42 and the second part 43, and also opens in an opposite lower surface to the upper surface 46.
  • the hole 45 for example comprises at least one portion of a section with a form complementary to at least one of the portions 33 and 34 of the support 30 preventing relative rotation of the support 30 in relation to the body 41 once the support has been inserted into the hole 45.
  • the insert 21 is rotationally held in the support 30, which is itself rotationally fixed relative to the body 41 , and so the orientation of the insert 21 is thus fixed in terms of orientation relative to the body 41 of the clamping device.
  • the device also comprises a system for holding orientation of the support 30 in the body 41 which is, for example here, at least partly formed by the portion of complementary form to the portions 33 and 34 of the support; the orientation holding is thus also achieved here by its cooperation with the support 30.
  • the planar surface 24 of the insert 21 and the upper surface 46 of the body 41 are substantially coplanar, as Figure 10 shows.
  • the body 41 also comprises an aperture 47 formed starting from the flat 44 and opening into the hole 45. The aperture 47 enables the key 48 to be inserted therein.
  • the key 48 serves as a reference marker for indexation of the support 30 in the hole 45.
  • the support 30 is in the hole 45, its segment 37 is located opposite the aperture 47 and the portions 33 and 34 are respectively located above and below the aperture 47 such that once inserted in the aperture 47 the key 48 is located below between the portions 33 and 34 with minimal play such that the support 30 is longitudinally held in the hole 45.
  • the device comprises a system for holding indexation of the support in the body which is here formed by the key.
  • the key 48 is for example a screw and the aperture 47 is then for example a tapped hole.
  • the device comprises a system for holding orientation and indexation which is formed by a system for holding orientation and also formed by a system for holding indexation; however, according to another example embodiment, a single system could of course ensure both the orientation holding and the indexation holding.
  • the clamping device 40 with the support 30 and the insert 21 , is next inserted into an cavity of a plate 50 represented for example in Figure 1 1 .
  • the plate 50 mainly comprises a planar upper surface 51 and at least one cavity 52 and preferably, as this is shown here, multiple cavities 52, for example in a matrix arrangement.
  • Each cavity 52 opens onto the upper surface 51 and here comprises a form that is substantially complementary to the clamping device 40 in order to form a system for holding orientation of the body 41 in the cavity 52.
  • each cavity 52 comprises two parts: a first part of cylindrical shape with a circular section of diameter substantially equal to the diameter of the upper part 43 of the body 41 of the clamping device 40 and which extends from the upper surface 51 over a height substantially equal to the height of the upper part 43 of the body 41 , then a second part which extends from the first part, i.e. here below the first part relative to the upper surface 51 , which is of substantially truncated cylindrical shape, i.e. a shape substantially complementary to the lower part 42 of the body 41 taking into account possible jutting of the key 48 as is for example shown in Figure 10.
  • the positioning and the orientation of an insert 21 in a plate 50 may thus be known with precision.
  • the plate would correspond to a removable part of a laser melting manufacturing machine which would enter directly into contact with the machine frame.
  • the plate for example has standard dimensions.
  • the cavities may thus for example be added to a standard plate.
  • all the cavities of the plate contain an insert, or even a clamping device into which is inserted a support with an insert. All the inserts are also identical, and where appropriate all the clamping devices are then also advantageously identical. However, it is then possible to manufacture abutments which can all be different.
  • the plate is then baked in a manufacturing machine which for example comprises a control unit to which is sent data for the manufacturing of one or several abutments. It is thus possible simultaneously to manufacture multiple abutments, it being understood that simultaneously here means at least during the same baking operation. However, if the machine so enables, all the abutments may advantageously be produced at the same time.
  • a manufacturing machine which for example comprises a control unit to which is sent data for the manufacturing of one or several abutments.
  • Figure 14 presents an abutment obtained by such a method. It is thus possible to note that the insert presents a surface state often qualified as "mirror" while that of the stump is coarser. Furthermore, by virtue of the method, a demarcation between the insert and the stump is practically invisible.

Abstract

La présente invention concerne un procédé de fabrication d'une butée d'implant (20) qui comprend une étape consistant à fournir un insert (21) dans un format et dans un matériau qui sont prédéterminés, et une étape consistant à former un ancrage (26) de géométrie spécifique par fusion au laser d'une poudre du même matériau que l'insert à partir d'une surface de l'insert (21). L'invention concerne également un dispositif pour sa mise en œuvre qui comprend une plaque comprenant une surface supérieure plate ayant une pluralité de cavités. L'invention concerne de plus une machine, pour mettre en œuvre le procédé et comprenant le dispositif, ainsi que la butée (20) ainsi obtenue. L'insert comprend une partie supérieure (21) ayant une rugosité comprise entre environ 0,1 µm et 0,3 µm et une partie inférieure (22) ayant une rugosité comprise entre environ 0,7 µm et 0,9 µm, l'ancrage (26) ayant une rugosité comprise entre approximativement 5 et 10 µm.
PCT/IB2016/050140 2015-01-16 2016-01-13 Procédé de fabrication de butée de prothèse dentaire, dispositif et machine pour mettre en œuvre le procédé et butée obtenue par le procédé WO2016113680A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR1550360A FR3031667B1 (fr) 2015-01-16 2015-01-16 Procede de fabrication d'un pilier de prothese dentaire, dispositif et machine pour mettre en oeuvre le procede et pilier obtenu par le procede
FR1550360 2015-01-16

Publications (1)

Publication Number Publication Date
WO2016113680A1 true WO2016113680A1 (fr) 2016-07-21

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PCT/IB2016/050140 WO2016113680A1 (fr) 2015-01-16 2016-01-13 Procédé de fabrication de butée de prothèse dentaire, dispositif et machine pour mettre en œuvre le procédé et butée obtenue par le procédé

Country Status (2)

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FR (1) FR3031667B1 (fr)
WO (1) WO2016113680A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT201700080039A1 (it) * 2017-07-14 2019-01-14 Zerosei Tecnologia Srl Procedimento per la realizzazione di parti di impianti dentali
CN114209460A (zh) * 2021-12-31 2022-03-22 成都贝施美生物科技有限公司 个性化基台的加工方法及装置

Families Citing this family (1)

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Publication number Priority date Publication date Assignee Title
GR20170100383A (el) 2017-08-21 2019-04-22 Vp Innovato Holdings Ltd Πυρηνας οδοντικου κολοβωματος και μεθοδος για την κατασκευη ενος οδοντικου κολοβωματος

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EP1062916A2 (fr) * 1999-06-21 2000-12-27 DCS Forschungs & Entwicklungs AG Procédé de fabrication personnalisé de prothèses dentaires fixées sur implants et procédé de fabrication d'une prothèse dentaire, en particulier d'une quelconque matière, aussi en matière biocompatible, en particulier à l'aide de la CAD-CAM meulage et fraisage méthode
EP1358855A1 (fr) * 2002-05-03 2003-11-05 BEGO medical AG Procédé pour la production d'objets par formage de formes libres lors d'un procédé de frittage au laser
US20100021865A1 (en) * 2003-04-05 2010-01-28 Bego Medical Gmbh Method for manufacturing implant abutments for dental implants, and an implant abutment for a dental implant
WO2010032987A2 (fr) * 2008-09-22 2010-03-25 Ko Chan Joong Structure de jambage sur mesure pour implant
EP2468211A1 (fr) * 2010-12-27 2012-06-27 Terrats Mecanizados S.L. Fixation de prothèse améliorée
US20120214133A1 (en) * 2011-02-23 2012-08-23 Yunoh Jung Method for fabricating a custom implant abutment

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1062916A2 (fr) * 1999-06-21 2000-12-27 DCS Forschungs & Entwicklungs AG Procédé de fabrication personnalisé de prothèses dentaires fixées sur implants et procédé de fabrication d'une prothèse dentaire, en particulier d'une quelconque matière, aussi en matière biocompatible, en particulier à l'aide de la CAD-CAM meulage et fraisage méthode
EP1358855A1 (fr) * 2002-05-03 2003-11-05 BEGO medical AG Procédé pour la production d'objets par formage de formes libres lors d'un procédé de frittage au laser
US20100021865A1 (en) * 2003-04-05 2010-01-28 Bego Medical Gmbh Method for manufacturing implant abutments for dental implants, and an implant abutment for a dental implant
WO2010032987A2 (fr) * 2008-09-22 2010-03-25 Ko Chan Joong Structure de jambage sur mesure pour implant
EP2468211A1 (fr) * 2010-12-27 2012-06-27 Terrats Mecanizados S.L. Fixation de prothèse améliorée
US20120214133A1 (en) * 2011-02-23 2012-08-23 Yunoh Jung Method for fabricating a custom implant abutment

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT201700080039A1 (it) * 2017-07-14 2019-01-14 Zerosei Tecnologia Srl Procedimento per la realizzazione di parti di impianti dentali
CN114209460A (zh) * 2021-12-31 2022-03-22 成都贝施美生物科技有限公司 个性化基台的加工方法及装置

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FR3031667A1 (fr) 2016-07-22
FR3031667B1 (fr) 2020-12-11

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