Patent SG-11201811000Q-A (SG)
Title: Method and system for making dental prostheses
Inventor: COSTABEBER ETTORE
IPC: A61C13/00
Filed: 2016-06-30
Abstract: INTERNATIONAL APPLICATION PUBLISHED UNDER THE PATENT COOPERATION TREATY (PCT) (19) World Intellectual Property :::` , Organization 03 11111110111101110101011111 3E1 0 01 1111111111111111111111111111111111111111111111 International Bureau (10) International Publication Number (43) International Publication Date ......P' WO 2018/002960 Al 04 January 2018 (04.01.2018) W I PO I PCT (51) International Patent Classification: SG, SK, SL, SM, ST, SV, SY, TH, TJ, TM, TN, TR, TT, TZ, A61C 13/00 (2006.01) UA, UG, US, UZ, VC, VN, ZA, ZM, ZW. (21) International Application Number: (84) Designated States (unless otherwise indicated, for every PCT/IT2016/000165 kind of regional protection available): ARIPO (BW, GH, (22) International Filing Date: GM, KE, LR, LS, MW, MZ, NA, RW, SD, SL, ST, SZ, TZ, 30 June 2016 (30.06.2016) UG, ZM, ZW), Eurasian (AM, AZ, BY, KG, KZ, RU, TJ, TM), European (AL, AT, BE, BG, CH, CY, CZ, DE, DK, (25) Filing Language: Italian EE, ES, FI, FR, GB, GR, HR, HU, IE, IS, IT, LT, LU, LV, (26) Publication Language: English MC, MK, MT, NL, NO, PL, PT, RO, RS, SE, SI, SK, SM, TR), OAPI (BF, BJ, CF, CG, CI, CM, GA, GN, GQ, GW, (71) Applicant: DWS S.R.L. [IT/IT]; Via Della Meccanica, 21, KM, ML, MR, NE, SN, TD, TG). 36016 Thiene (VI) (IT). Published: (72) Inventor: COSTABEBER, Ettore, Maurizio; Via Lago — with international search report (Art. 21(3)) Di Levico, 1, 36010 Zane (VI) (IT). (74) Agent: MARCHIORO, Paolo; Studio Bonini SRL, Corso Fogazzaro, 8, 36100 Vicenza (IT). (81) Designated States (unless otherwise indicated, for every kind of national protection available): AE, AG, AL, AM, _ AO, AT, AU, AZ, BA, BB, BG, BH, BN, BR, BW, BY, BZ, CA, CH, CL, CN, CO, CR, CU, CZ, DE, DK, DM, DO, DZ, EC, EE, EG, ES, FI, GB, GD, GE, GH, GM, GT, HN, HR, — = HU, ID, IL, IN, IR, IS, JP, KE, KG, KN, KP, KR, KZ, LA, = LC, LK, LR, LS, LU, LY, MA, MD, ME, MG, MK, MN, _ = MW, MX, MY, MZ, NA, NG, NI, NO, NZ, OM, PA, PE, = PG, PH, PL, PT, QA, RO, RS, RU, RW, SA, SC, SD, SE, = = Title: METHOD AND SYSTEM FOR MAKING DENTAL PROSTHESES (54) = (57) : Method for manufacturing dental prostheses, comprising the following oper- = (STAITO ) ations: defining a layered numerical representation of a dental prosthesis (11); for a first layer of the numerical representation, prepare a corresponding layer of a light sensitive liquid sub- stance (6); selectively solidify the layer of liquid substance (6) to obtain a first sheet (7) hav- SCAN THED ENTITION = = ing a geometry corresponding to the geometry of the first layer of the numerical representa- tion; repeat the operations of preparing a layer of liquid substance (6) and selectively solidify - 1 - 7= r r = , =oEFI the layer of liquid substance (6) for each subsequent layer of the numerical representation to obtain corresponding sheets (7); cause the mutual adhesion between said sheets (7); modify = NUMERICAL REPRESENTATION the composition of the liquid substance (6) after having solidified one of the sheets (7) and before solidifying the subsequent sheet (7), so as to modify one or more optical properties of the liquid substance (6). = DDRING = S OL IDIFY A SHEET JC = NO YES Il YES © MODIFY THE COMPOSITION OF THE LIQUID SUBSTANCE CD. ei JOIN THE SHEETS TO MAKE-UP THE PROSTHESIS / © (1_,113 \ ... G© Il © ei Fig. 1 C