METHOD AND APPARATUS FOR MEASURING THE COLOUR OF A TOOTH - Patent 1109510

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EP 1 109 510 A1

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(43)	Date of publication:
	27.06.2001 Bulletin 2001/26

(21)	Application number: 99939962.9

(22)	Date of filing: 01.09.1999

(51)	International Patent Classification (IPC)⁷: A61C 19/10, G01J 3/46

(86)	International application number:
	PCT/DK9900/459

(87)	International publication number:
	WO 0012/026 (09.03.2000 Gazette 2000/10)

(84)	Designated Contracting States:
	AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE
	Designated Extension States:
	AL LT LV MK RO SI

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Priority:

01.09.1998 DK 109998

(71)	Applicant: Identa I/S
	4000 Roskilde (DK)

(72)	Inventors:
	BYBJERG PEDERSEN, Lars DK-4300 Holbaek (DK) JOHANSEN, Ole DK-4300 Holbaek (DK) KASTFELT, Svend-Ove Goderup,4000 Roskilde (DK)

(74)	Representative: Noergaard, Tage et al
	c/o Chas. Hude A/S,33, H.C. Andersens Boulevard 1780 Copenhagen V 1780 Copenhagen V (DK)

(54)	METHOD AND APPARATUS FOR MEASURING THE COLOUR OF A TOOTH