EIBERT GERJAN VAN PUTTEN,BERNARDUS HENDRIKUS WILHELMUS HENDRIKS,OLAF THOMAS JOHAN ANTONIE VERMEULEN,MARK THOMAS JOHNSON,ARNOLDUS JOHANNES MARTINUS JOZEPH RAS
申请号：
US15028737
公开号：
US20160242652A1
申请日:
2014.10.16
申请国别(地区):
US
年份:
2016
代理人:
摘要：
The invention relates to a device (100) for detection of plaque (P) on teeth (T). According to a preferred embodiment, light (Im) is emitted towards the teeth (T), and a part thereof as scattered from the surface of the teeth (T) and plaque (P) which may be present on the teeth (T) is recollected by a light receiving element (121). The received light (Isc) is provided to a light detector (120) for generating a detection signal (x) that represents at least one property of the light (Isc), which is then evaluated with respect to the presence of plaque (P) by determining at least one scattering-related quantity. The quantity may for example be a ratio or coefficient to be calculated from the spectrum of the received light (Isc), or the temporal development of a speckle pattern.
