Ivoclar Vivadent Ag

Thorsten Bock

Volker Rheinberger

Norbert Moszner

Ulrich Salz

Iris Lamparth

Yohann Catel

Martina Hauner-Westphal

Urs Karl Fischer

Delphine Catel

Robert Liska

Frank Zeuner

Jörg Angermann

Alexandros Gianasmidis

Brigitte Isabell Voit

Urs-Karl Fischer

Arnd Peschke

Doris Pospiech

Jörg Tiller

Thomas Köhler

Martina Hauner

Sandra Starke

Christoph Peter Fik

Michael Barbisch

Bernd Strehmel

Thomas Brömme

Tiller Jörg

Christoph P Fik

Norbert Mozner

Thomas BRÖMME

Dental adhesive set which contains an adhesive and an applicator which is coated with a vanadium(IV) salt.

Storage-stable dental adhesive set for use with peroxidically and hydroperoxidically redox-initiated composites

A method for excavating tooth material, having the steps of placing (S) a structure-borne sound sensor on a tooth; excavating (S) the tooth material by means of a fluid jet; detecting (S) structure-borne sound signals during excavation by the structure-borne sound sensor; and regulating or controlling (S) a fluid jet generating device based on the structure-borne sound signals.

Method for excavating dental material

Aqueous solution of a transition and main group metal salt for use as conditioning agent in dental restoration therapy.

Agent for conditioning dentin and enamel

The invention relates to a radically polymerizable dental material having photochromic properties, which contains at least one compound of formula (I) and optionally radically polymerizable monomers, an initiator for radical polymerization and other components.

Dental materials with light-induced reversible coloring

A composition, containing a carrier medium and particles based on a metal compound with a weight-average particle diameter of 1 nm to 10 &#x3bc;m is useful to clean metal or ceramic surfaces which are part of a dental restoration or of an implant abutment.

Compositions containing cleaning particles

Radically polymerizable dental material, which contains at least one encapsulated photochromic colorant.

Photochromic dental material with encapsulated photochromic colorants

Primer formulation which contains (1) at least one alkoxysilane monomer of the general formula RSi(OR)(I), wherein Rstands for an organic residue which contains at least one ethylenically unsaturated, polymerizable group, Rstands for a C-Calkylorganic residue and n is 1, 2 or 3, wherein the residues Rand Rcan each be the same or different; (2) at least one polyhydrogen fluoride salt of the general formula (R)(HF)(II), wherein Rstands for a metal cation from the series of the alkali, alkaline earth or transition metals or for an ammonium ion of the formula (R)(R)(R)(R)N, in which RRRand Reach independently of each other stand for H or Cto Calkyl, Cto Calkenyl or C-Caryl residues, wherein R, R, Rand Rcan be the same or different, and wherein two of these residues can be bound together to form a heterocycle together with the nitrogen atom and wherein three of the residues and the nitrogen atom can together form a pyridinium ion, x is an integer from 2 to 5, preferably 2 to 4, in particular 3, z corresponds to the valence of the cationic residue R, (3) organic solvent, and (4) water.

Dental primer formulation

Radically polymerizable dental material which contains at least one radically polymerizable oligomer or polymer with strongly acidic groups, which has a number-average molecular weight of 1,000 to 200,000 g/mol.

Adhesive dental materials with strongly acidic adhesive polymers

&#x3b2;-Ketophosphonic acid according to general formula I: in which A=an aliphatic C-Cradical which can be interrupted by &#x2014;O&#x2014;, &#x2014;S&#x2014;, &#x2014;CO&#x2014;O&#x2014; or &#x2014;O&#x2014;CO&#x2014;C&#x2014;; n=1, 2, 3 or 4; m=1 or 2; X=absent or a C-Cradical which can be interrupted by &#x2014;O&#x2014;, &#x2014;S&#x2014;, &#x2014;CO&#x2014;C&#x2014;, &#x2014;O&#x2014;CO&#x2014;NH&#x2014; or &#x2014;CO&#x2014;NR&#x2014;, wherein Ris H or C-C-alkyl; and PG=a group which can undergo free radical polymerization. The &#x3b2;-ketophosphonic acids are suitable in particular for the preparation of dental materials.

&#x3b2;-Ketophosphonic acids and dental materials based thereon

The invention relates to a dental restorative material which comprises a thermolabile or photolabile polymerizable compound of Formula I:[(Z)-Q-X)]-T-[Y-Q-(Z)]&#x2003;&#x2003;Formula I,in which T represents a thermolabile or photolabile group, Zand Zin each case independently represent a polymerizable group selected from vinyl groups, CH&#x2550;CR&#x2014;CO&#x2014;O&#x2014; and CH&#x2550;CR&#x2014;CO&#x2014;NR&#x2014; or an adhesive group selected from &#x2014;Si(OR), &#x2014;COOH, &#x2014;O&#x2014;PO(OH), &#x2014;PO(OH), &#x2014;SOOH and &#x2014;SH, wherein at least one Zor Zis a polymerizable group, Qin each case independently is missing or represents an (m+1)-valent linear or branched aliphatic C-Cradical which can be interrupted by &#x2014;O&#x2014;, &#x2014;S&#x2014;, &#x2014;CO&#x2014;O&#x2014;, &#x2014;O&#x2014;CO&#x2014;, &#x2014;CO&#x2014;NR&#x2014;, &#x2014;NR&#x2014;CO&#x2014;, &#x2014;O&#x2014;CO&#x2014;NR&#x2014;, &#x2014;NR&#x2014;CO&#x2014;O&#x2014; or &#x2014;NR&#x2014;CO&#x2014;NR&#x2014;, Qin each case independently is missing or represents an (n+1)-valent linear or branched aliphatic C-Cradical which can be interrupted by &#x2014;O&#x2014;, &#x2014;S&#x2014;, &#x2014;CO&#x2014;O&#x2014;, &#x2014;O&#x2014;CO&#x2014;, &#x2014;CO&#x2014;NR&#x2014;, &#x2014;NR&#x2014;CO&#x2014;, &#x2014;O&#x2014;CO&#x2014;NR&#x2014;, &#x2014;NR&#x2014;CO&#x2014;O&#x2014; or &#x2014;NR&#x2014;CO&#x2014;NR&#x2014;, X and Y in each case independently are missing or represent &#x2014;O&#x2014;, &#x2014;S&#x2014;, CO&#x2014;O&#x2014;, &#x2014;O&#x2014;CO&#x2014;, &#x2014;CO&#x2014;NR&#x2014;, &#x2014;NR&#x2014;CO&#x2014;, &#x2014;O&#x2014;CO&#x2014;NR&#x2014;, &#x2014;NR&#x2014;CO&#x2014;O&#x2014; or &#x2014;NR&#x2014;CO&#x2014;NR&#x2014;, R, R, Rand Rin each case independently represent H or a C-Calkyl radical and k, l, m and n in each case independently are 1, 2 or 3.

Dental materials based on monomers having debonding-on-demand properties

Dental material which contains a polymerizable phthalic acid derivative of the general Formula I: with R=H, methyl or a C-Calkyl residue; R=H, a phenyl, benzyl or C-Calkyl residue; Q=is absent or is a C-Calkylene residue, wherein the carbon chain can be interrupted by O or S; Q=is absent or a (n+1)-valent aliphatic C-Cresidue, wherein the carbon chain can be interrupted by O or S and wherein Qand Qcannot be absent simultaneously; X=is absent, is O, S or (&#x2014;CO&#x2014;NR&#x2014;)&#x2014;, wherein Ris H, CHor CH; Y=is absent, is O, S or (&#x2014;CO&#x2014;NR&#x2014;)&#x2014;, wherein Ris H, CHor CH; n, m=independently of one another in each case mean 1, 2 or 3; R=H, CH, CH, Cl, Br or OCH, and wherein the two carboxyl groups of the benzene ring can together form an anhydride group.

Dental materials with improved hydrolysis stability based on phthalic acid monomers

The invention relates to a dental restorative material which comprises (a) at least one antimicrobially active compound of Formula (I)[AG]-R&#x2014;Z&#x2014;SP&#x2014;Y&#x2014;R&#x2014;[WG]&#x2003;&#x2003;(I),or a filler that is surface-modified with at least one compound of Formula (I), (b) at least one radically polymerizable monomer and (c) at least one initiator for the radical polymerization. The invention also relates to a use of such dental restorative material for the preparation of an adhesive, primer, cement, coating material or filling material. The invention also relates to a dental material which comprises at least one compound of Formula (I), as well as a use of a compound of Formula (I) for modifying the surface of a substrate selected from ceramic materials, noble and non-noble metals, hard tooth structure, tooth enamel, dentine, collagen, soft tissue, mucous membrane and leather.

Dental restorative material based on an antimicrobially active compound

The invention relates to a dental material which comprises a polymerizable bisphosphonic acid of Formula I:  The invention also relates to the use of a polymerizable bisphosphonic acid of Formula I for the preparation of a dental material and in particular for the preparation of an adhesive, cement or composite.

Dental materials on the basis of highly acidic polymerizable bisphosphonic acids

The invention relates to an adhesion-promoter composition for the adhesive joining of metallic or ceramic dental materials to radically curing dental materials, wherein the adhesion-promoter composition contains an alkoxysilane monomer (i), a phosphoric acid ester monomer (ii), a sulphur-containing monomer (iii) and an organic solvent (iv).

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Feldkirch, Austria

Thorsten Bock