Title (en)

PROCESS FOR PRODUCING A BLANK FOR DENTAL RESTORATIONS BY WAY OF A ONE-STEP SEDIMENTATION PROCESS

Title (de)

VERFAHREN ZUR HERSTELLUNG EINES ROHLINGS FÜR DENTALE RESTAURATIONEN MITTELS EINSTUFIGEM SEDIMENTATIONSVERFAHREN

Title (fr)

PROCÉDÉ DE FABRICATION D'UNE ÉBAUCHE POUR RESTAURATIONS DENTAIRES FAISANT APPEL À UN PROCÉDÉ DE SÉDIMENTATION EN UNE SEULE ÉTAPE

Publication

EP 4341230 A1 20240327 (DE)

Application

EP 22729650 A 20220519

Priority

• EP 21174713 A 20210519
• EP 2022063577 W 20220519

Abstract (en)

[origin: WO2022243433A1] The present invention relates to a process for producing a color-graded blank for dental restorations by way of a sedimentation process, to a blank obtained by the process according to the invention and to the use of a suspension for producing a color-graded dental restoration. a) providing a suspension comprising i) a liquid dispersant, ii) a base material and iii) one or more coloring substances; b) sedimentation with the formation of a color gradient in the sediment; c) solidifying the sediment with the formation of a color-graded blank.

IPC 8 full level

C04B 35/111 (2006.01); A61C 13/00 (2006.01); C03C 1/10 (2006.01); C03C 3/076 (2006.01); C03C 4/00 (2006.01); C03C 4/02 (2006.01); C03C 10/00 (2006.01); C04B 35/16 (2006.01); C04B 35/443 (2006.01); C04B 35/486 (2006.01); C04B 35/626 (2006.01); C04B 35/628 (2006.01)

CPC (source: EP)

C03C 1/10 (2013.01); C03C 3/076 (2013.01); C03C 4/0021 (2013.01); C03C 4/02 (2013.01); C03C 10/0027 (2013.01); C04B 35/111 (2013.01); C04B 35/16 (2013.01); C04B 35/443 (2013.01); C04B 35/486 (2013.01); C04B 35/6263 (2013.01); C04B 35/6264 (2013.01); C04B 35/62802 (2013.01); A61C 13/0022 (2013.01); C03C 2205/06 (2013.01); C04B 2235/3201 (2013.01); C04B 2235/3206 (2013.01); C04B 2235/3208 (2013.01); C04B 2235/3217 (2013.01); C04B 2235/3224 (2013.01); C04B 2235/3225 (2013.01); C04B 2235/3229 (2013.01); C04B 2235/3232 (2013.01); C04B 2235/3241 (2013.01); C04B 2235/3244 (2013.01); C04B 2235/3262 (2013.01); C04B 2235/3272 (2013.01); C04B 2235/3275 (2013.01); C04B 2235/3279 (2013.01); C04B 2235/3284 (2013.01); C04B 2235/3293 (2013.01); C04B 2235/3294 (2013.01); C04B 2235/3418 (2013.01); C04B 2235/5436 (2013.01); C04B 2235/5463 (2013.01); C04B 2235/5481 (2013.01); C04B 2235/616 (2013.01); C04B 2235/75 (2013.01); C04B 2235/9661 (2013.01)

Citation (search report)

See references of WO 2022243433A1

Designated contracting state (EPC)

AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

Designated extension state (EPC)

BA ME

Designated validation state (EPC)

KH MA MD TN

DOCDB simple family (publication)

EP 4092007 A1 20221123; EP 4341230 A1 20240327; WO 2022243433 A1 20221124

DOCDB simple family (application)

EP 21174713 A 20210519; EP 2022063577 W 20220519; EP 22729650 A 20220519