Apparatus and method for measuring optical characteristics...

Details Apparatus and method for measuring optical characteristics... Apparatus and method for measuring optical characteristics...

A - Human Necessities

61

B

A61B 6/14 (2006.01) A61B 5/00 (2006.01) A61C 1/00 (2006.01) A61C 19/10 (2006.01) G01J 3/02 (2006.01) G01J 3/50 (2006.01) G01J 3/51 (2006.01) G01N 21/25 (2006.01) G01N 21/47 (2006.01) G01N 21/57 (2006.01) A61B 1/00 (2006.01) A61B 1/24 (2006.01)

Patent

CA 2295056

Optical characteristic measuring systems and methods for determining the color or other optical characteristics of teeth comprising a probe body (2) wherein the probe provides light to the surface of the object/tooth (20). Perimeter receiver fiber optics (102) are spaced apart from a source fiber optic and receive light from the surface of the object/tooth (20) being measured. Light from the perimeter fiber optics pass to a variety of filters. The system utilizes the perimeter receiver fiber optics (102) to determine information regarding the height and angle of the probe with respect to the object/tooth being measured wherein the numerical apertures of the receiver fiber optics (102) are different.

L'invention se rapporte à des systèmes et méthodes permettant de déterminer la couleur ou d'autres caractéristiques optiques des dents; elle comprend un corps de sonde (2), la sonde projetant une lumière à la surface d'un objet / des dents (20). Des fibres optiques périmétriques de réception (102), éloignées de fibres optiques source, reçoivent la lumière provenant de la surface de l'objet / des dents (20) dont on mesure les caractéristiques. La lumière provenant des fibres optiques périmétriques passe par une variété de filtres. Le système utilise les fibres optiques périmétriques de réception (102) pour déterminer les informations concernant la hauteur et l'angle de la sonde par rapport à l'objet / aux dents dont on mesure les caractéristiques, les fibres optiques de réception (102) ayant des ouvertures numériques différentes.

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