Title:
INTRAORAL PANORAMIC IMAGE PICKUP DEVICE AND INTRAORAL PANORAMIC IMAGE PICKUP SYSTEM
Document Type and Number:
WIPO Patent Application WO/2007/063980
Kind Code:
A1
Abstract:
The whole arrangement of teeth can be imaged at a time without performing segmented
imaging for each region in an oral cavity. Imaging devices having a wide angle
lens of wide angle of field and capable of closeup imaging are installed. When
imaging the tooth arrangement buccal side, the light input section of each imaging
device is directed with a given distance toward the tooth buccal surface perpendicularly
to the tangent of a buccal-side tooth arrangement arch form outline form similar
figure virtual curve. When imaging the tongue side, the light input section is
directed toward the tooth tongue side perpendicularly to the tangent of the tooth
arrangement arch form outline form similar figure virtual curve. When imaging
the occlusal surface, the light input section is directed toward the tooth occlusal
surface on the tooth arrangement virtual arch form. The image information of
the imaging devices is integrated, a panoramic two-dimensional image, a tooth
arrangement three-dimensional image, or a panoramic movie image is displayed,
and CAD data on the tooth arrangement form acquired from the tooth arrangement
three-dimensional measurement coordinate data is outputted.
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Inventors:
TAKAHASHI ATSUSHI (JP)
Application Number:
PCT/JP2006/324063
Publication Date:
June 07, 2007
Filing Date:
December 01, 2006
Export Citation:
Assignee:
TAKAHASHI ATSUSHI (JP)
International Classes:
A61B1/24; A61B6/14; A61C19/04; G03B15/02; G03B37/00; G06T3/00
Foreign References:
| JP2001212081A | 2001-08-07 | |||
| JP2002336188A | 2002-11-26 | |||
| JP2005000652A | 2005-01-06 | |||
| JPH08510657A | 1996-11-12 | |||
| JP2004519289A | 2004-07-02 |
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