Patents Assigned to Straumann Holding AG
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Publication number: 20140141201Abstract: Body made of a ceramic material, the body having as an integral part thereof a surface region reaching from the surface of the body down to a predetermined depth. According to the invention, the surface region is enriched with a calcium component thereby forming a hydrophilic surface area.Type: ApplicationFiled: June 22, 2012Publication date: May 22, 2014Applicant: Straumann Holding AGInventors: Simon Berner, Joachim Bibus, Heiner Bieli, Alain Kounga
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Publication number: 20140141960Abstract: Process for preparing glass-ceramic body including the steps of providing a basic glass body and subjecting the basic glass body to a thermal treatment whereby a crystalline phase embedded in a glass matrix is formed. The basic glass body is made of a composition comprising 65 to 72 wt-% SiO2, at least 10.1 wt-% Li2O and at least 10.1 wt-% Al2O3 based on the total weight of the composition, the proportion of Li2O to Al2O3 being from 1:1 to 1.5:1. The thermal treatment involves a nucleation step followed by several crystallization steps at different temperatures, whereby at least two different crystalline phases are formed.Type: ApplicationFiled: April 20, 2012Publication date: May 22, 2014Applicant: Straumann Holding AGInventors: Maria Borczuch-Laczka, Katharzyna Cholewa-Kowalska, Karolina Laczka
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Patent number: 8708699Abstract: Drill guide (1) for use in the dental field, comprising a grip (10), a bearing surface intended to bear at least partially on a template (50) or a drill sleeve (55), and at least one guide sleeve (20) having a longitudinal slit (30). The grip (10) has a top face and an underside. The at least one guide sleeve (20) is essentially hollow and cylindrical, has an upper end and a lower end, and protrudes from the underside of the grip (10).Type: GrantFiled: December 14, 2009Date of Patent: April 29, 2014Assignee: Straumann Holding AGInventors: Edmund Suter, Steffen Kuehne, Patrick Streff
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Patent number: 8684735Abstract: An inlay for connection to a dental implant, including implant connection geometry, for connecting the inlay to the implant and, coronal of the implant connection geometry, a post portion extending along a longitudinal axis, the post portion having a circular symmetric external surface and including at least one protrusion extending radially beyond said external surface, wherein the post portion further includes longitudinally extending grooves which extend radially inward of said external surface and are located directly adjacent to and on either side of the at least one protrusion such that the proximal end of said at least one protrusion is located radially inward of said external surface.Type: GrantFiled: November 30, 2012Date of Patent: April 1, 2014Assignee: Straumann Holding AGInventor: Andreas van Ophuysen
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Patent number: 8637128Abstract: A package for holding fluid material suitable for preserving a dental implant is disclosed. The package has a capsule and a cap. The capsule is formed exclusively of cyclic olefin copolymer with an impermeability to moisture of less than 5% fluid loss per year and the cap is formed of low density polyethylene.Type: GrantFiled: October 15, 2004Date of Patent: January 28, 2014Assignee: Straumann Holding AGInventor: Vincent Jemelin
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Publication number: 20140014544Abstract: Cassette (70) for a medical instrument (100) including at least one tray (1), the tray (1) having at least one holding means (10) for retaining the medical instrument (100). The holding means (10) has at least one magnetic element (20), in order to retain the medical instrument (100) and preferably a relief structure (13) which defines a seat (14) on which the instrument (100) can be securely retained by the magnetic element (20).Type: ApplicationFiled: December 20, 2011Publication date: January 16, 2014Applicant: Straumann Holding AGInventors: Guillaume Bugnard, Joachim Nafz, Klaus Kantorczyk
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Publication number: 20130334083Abstract: Cassette for housing one or more medical instrument (18) including a tray having at least one passage (20) for receiving said medical instrument, said tray having a rigid structure (12) and a resilient holding means (28) arranged to retain the medical instrument (18) within said passage, wherein the holding means is located remote from the upper surface, and the at least one passage is formed by the rigid structure (12) and the holding means such that the uppermost section (44) of the passage is formed by the rigid structure and at least a portion of the lower section (46) of the passage is formed by the holding means.Type: ApplicationFiled: June 21, 2013Publication date: December 19, 2013Applicant: Straumann Holding AGInventors: Guillaume BUGNARD, Joachim NAFZ, Klaus KANTORCZYK
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Publication number: 20130308843Abstract: The invention describes a method for the geometrical analysis of scan data (D) from oral structures, comprising the steps of selecting a number of parameterized tooth models (M) of desired tooth types according to the scan data (D) to be analyzed, whereby the parameterization is performed on the basis of model parameters comprising position parameters and/or shape parameters and line parameters, and whereby each tooth model (M) comprises at least one boundary line (LS, LP) whose path is defined by line parameters and which divides a tooth model (M) in at least one active adjustment area (AA) and at least one inactive adjustment area (AI), adjusting the tooth models (M) and their boundary lines (LS, LP) to the scan data (D) for individualization, whereby the individualization is performed by variation of model parameters, and whereby the active adjustment areas (AA) of the tooth models (M) are weighted more than the inactive adjustment areas (AI), segmenting the scan data (D) on the basis of the individualizedType: ApplicationFiled: December 12, 2011Publication date: November 21, 2013Applicant: STRAUMANN HOLDING AGInventor: Martin Tank
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Patent number: 8574611Abstract: The present invention relates to a sliceable composite bone repair material comprising a porous block-shaped ceramic scaffold and a stabilizing polymer disposed therein. Said ceramic scaffold is a synthetic ceramic material or a naturally-derived material. Additionally said scaffold comprises interconnected macropores.Type: GrantFiled: June 30, 2008Date of Patent: November 5, 2013Assignee: Straumann Holding AGInventors: Reinhart Seibl, Aaldert Rens Molenberg, Astrid Sylvia Neidhardt, Nienke Beuling
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Publication number: 20130282351Abstract: The invention describes a method of determining virtual tooth restorations on the basis of scan data (D) of oral structures, wherein a model database (DB) comprising a number of parameterized tooth models for each of several tooth types is used, whereby the parameterization is carried out on the basis of model parameters comprising position parameters and/or shape parameters and whereby each tooth model (M) is linked with a number of tooth models (M) of the same tooth type, and wherein, for each desired tooth type, an optimal tooth model (M) in the model database (DB) is determined by means of an iterative method in which initially at least one start tooth model (M) of the desired tooth type is selected from the model database (DB), and subsequently, commencing with this start tooth model (M), in each iteration step (S) a tooth model (M) is tested with regard to a quality value, wherein for individualization, the tooth model (M) currently in test is adjusted to the scan data (D) by varying model parameters anType: ApplicationFiled: December 12, 2011Publication date: October 24, 2013Applicant: STRAUMANN HOLDING AGInventor: Martin Tank
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Patent number: 8540512Abstract: An abutment for dental implant systems of the kind suitable to be associated to a dental implant. The abutment has an inlay, and the inlay is provided at its upper part with an external profile having one or more shoulders for connecting and permanently jointing the inlay to the abutment. Further, the inlay may be shaped such that it is completely surrounded by the abutment in the assembled state of the dental implant system.Type: GrantFiled: November 14, 2005Date of Patent: September 24, 2013Assignee: Straumann Holding AGInventors: Andreas Linder, Daniel Günter, Melanie Heyden
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Publication number: 20130230825Abstract: A holding device for retaining and transporting a dental implant, particularly a dental implant stored in an ampule having preserving fluid, is provided. The holding device has a securing section, which has a force transmission element for rotationally securing the dental implant and an attachment element having one or more resilient arms formed integrally with and distally of the force transmission element, for longitudinally retaining the dental implant. The resilient arms do not extend beyond the radial perimeter of the force transmission element. The resilient arms can be transformed between a first operative configuration and a second compressed configuration under forces during operation, to allow a radially enlarged end of the arms to releasably engage an undercut of the dental implant.Type: ApplicationFiled: March 1, 2012Publication date: September 5, 2013Applicant: Straumann Holding AGInventors: Frank Kenk, Stéphane Courvoisier, Guillaume Bugnard, Miodrag Lazic
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Patent number: 8523566Abstract: Drill sleeve (1) for a dental drill (70) having a hollow and cylindrical shape and a longitudinal axis A, a circular inner surface (10) for guiding the dental drill (70), and an outer surface (15) intended to be inserted into a template (50). The outer surface (15) of the drill sleeve (1) has at least one longitudinal flattened or concave area (20, 120), the circular inner surface (10) is essentially parallel to the longitudinal axis A, and the drill sleeve (1) is thin-walled.Type: GrantFiled: November 30, 2009Date of Patent: September 3, 2013Assignee: Straumann Holding AGInventors: Edmund Suter, Steffen Kühne, Patrick Streff
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Publication number: 20130210735Abstract: Enamel Matrix Derivative (EMD) proteins and enamel matrix proteins are widely used in clinical dentistry because of their ability to promote regeneration of soft and hard tissues and to reduce inflammation and infections. The present invention relates to the surprising finding that a pharmaceutical, dental and/or cosmetic formulation, which comprises purified Enamel Matrix Derivative (EMD) proteins and/or enamel matrix proteins and sterilized Propylene Glycol Alginate (PGA), wherein the sterilized PGA is obtained from non-sterilized PGA having a weight average molecular weight (Mwo) of between 250-500 kDa, is more stable over time, especially, the pH is more stable over time.Type: ApplicationFiled: October 17, 2011Publication date: August 15, 2013Applicant: Straumann Holding AGInventor: Laszlo Garamszegi
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Publication number: 20130204586Abstract: Computer-implemented method for digitally designing a dental restoration for a rest tooth, wherein the rest tooth is described by data of the rest tooth and wherein a tooth template is described by data of the tooth template, wherein the method comprises the step of: automatically deforming the tooth template by means of Laplacian surface deformation such that a prepared part of the rest tooth is covered by a portion of the tooth template; obtaining axis data defining an axis; based on the obtained axis data, automatically generating a line going through a point, such as a vertex or a point inside a polygonal mesh, on the surface of the rest tooth or the tooth template, wherein the line orthogonally intersects the axis; and when the line intersects with the tooth template and with the surface of the rest tooth, automatically choosing the intersection point of the line with the tooth template as handle and the intersection point with the surface of the rest tooth as target; and automatically deforming the tootType: ApplicationFiled: August 23, 2011Publication date: August 8, 2013Applicant: STRAUMANN hOLDING AGInventors: Martin Manzer, Uwe Lawitschka, Marcus Meier, Melanie Welge
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Publication number: 20130196289Abstract: Two-part implant for attachment of artificial teeth comprising a base body having a bone contact surface and a soft tissue contact surface. Said soft tissue contact surface is at least partially hydroxylated or silanated which results in an improved soft tissue integration.Type: ApplicationFiled: January 31, 2013Publication date: August 1, 2013Applicant: Straumann Holding AGInventors: Frank Schwarz, Jurgen Becker, Marco Wieland, Michel Dard
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Publication number: 20130183637Abstract: The invention relates to an abutment for use in a dental implant system, wherein the abutment is provided with a guiding and lock means for associating the abutment to a dental implant, the guiding and lock means including: a first conically tapered section; a second substantially non-tapered section arranged apically adjacent to the first section, the second section being provided with an anti-rotational means; and a third substantially circular cylindrical section arranged apically adjacent to the second section, such that to provide axial guiding to the abutment upon the insertion thereof into a dental implant. Further, the invention relates to a dental implant formed in a similar manner.Type: ApplicationFiled: March 5, 2013Publication date: July 18, 2013Applicant: STRAUMANN HOLDING AGInventors: Johnny PURGA, Ulrich MUNDWILER, Andreas UTZ
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Publication number: 20130177876Abstract: A process for providing a topography to the surface of a dental implant, said surface being made of a ceramic material. At least a part of the surface of the dental implant is etched with an etching solution comprising hydrofluoric acid at a temperature of at least 70° C. Thereby, discrete grains or agglomerates of grains are removed from the ceramic material.Type: ApplicationFiled: January 28, 2013Publication date: July 11, 2013Applicant: Straumann Holding AGInventors: Frank Homann, Phillippe Habersetzer
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Publication number: 20130179126Abstract: Computer-implemented method for digitally designing a dental restoration for a rest tooth, wherein the rest tooth is described by data of the rest tooth and wherein a tooth template is described by data of the tooth template, the method comprising automatically deforming the tooth template by means of Laplacian surface deformation such that a prepared part of the rest tooth is covered by a portion of the tooth template, wherein the Laplacian surface deformation comprises automatically generating a line which is going through a point, such as a vertex or a point inside a polygonal of a mesh, on the surface of the rest tooth or the tooth template and which is directed along the normal direction at said point; when the line intersects with the tooth template and with the surface of the rest tooth, automatically choosing the intersection point of the line with the tooth template as handle and the intersection point with the surface of the rest tooth as target; and automatically deforming the tooth template.Type: ApplicationFiled: August 23, 2011Publication date: July 11, 2013Applicant: STRAUMANN HOLDING AGInventors: Marcus Meier, Martin Manzer, Uwe Lawitschka, Melanie Welge
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Patent number: D702548Type: GrantFiled: February 21, 2013Date of Patent: April 15, 2014Assignee: Straumann Holding AGInventor: Peter Flury