Intraoral scanner, intraoral scanning system, method for performing intraoral scanning, and computer program product

• Main Authors: BALINYI ANATOLY, JANI CHETAN, PINARELLO, GIANCARLO, CESARATO ALBERTO, NATHAN FRANK
• Format: Patent
• Language: Chinese; English
• Published: 19.07.2024
• Subjects: APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE; DENTISTRY; DIAGNOSIS; HUMAN NECESSITIES; HYGIENE; IDENTIFICATION; MEDICAL OR VETERINARY SCIENCE; SURGERY

An intraoral scanner (3) for intraoral stereoscopic vision is proposed. The intraoral scanner (3) comprises a projector (4) for projecting a dot pattern (6) onto an object to be imaged, the projector (4) having a radiation source and optics for generating the dot pattern (6) from the radiation emitted by the radiation source, and at least two cameras (7, 8) for imaging the pattern (6) projected onto the object (2), the cameras (7, 8) are arranged with overlapping fields of view on the object. The dot pattern (6) is an aperiodic dot pattern generated by a two-dimensional array of microlenses arranged in an aperiodic manner on the substrate, and the array of microlenses is the last beam shaping optical element in front of the object in the direction of the radiation. The intraoral scanner (3) may be used in an intraoral scanning system and in a method for generating a three-dimensional model of a dentition (2) based on an intraoral scan. 提出了一种用于口内立体视觉的口内扫描仪(3)。口内扫描仪(3)包括投影器(4)以及至少两个摄像机(7，8)，所述投影器(4)用于将点图案(6)投影到