	US 12,268,367 B2
	Properties measurement device
Benny Pesach, Rosh Haayin (IL); Amitai Reuvenny, Kfar-Saba (IL); and Dana Shemuly, Kfar Saba (IL)
Assigned to DENTLYTEC G.P.L. LTD., Hod Hasharon (IL)
Filed by Dentlytec G.P.L. LTD., Hod Hasharon (IL)
Filed on Feb. 1, 2023, as Appl. No. 18/104,747.
Application 18/104,747 is a continuation of application No. 17/050,365, granted, now 11,598,632, previously published as PCT/IL2019/050464, filed on Apr. 24, 2019.
Claims priority of provisional application 62/662,558, filed on Apr. 25, 2018.
Prior Publication US 2023/0181020 A1, Jun. 15, 2023
Int. Cl. A61B 1/24 (2006.01); A61B 1/00 (2006.01); A61B 1/06 (2006.01); A61C 9/00 (2006.01); G01B 11/25 (2006.01); H04N 13/254 (2018.01); H04N 13/257 (2018.01)

CPC A61B 1/24 (2013.01) [A61B 1/00163 (2013.01); A61B 1/00194 (2022.02); A61B 1/06 (2013.01); A61B 1/0605 (2022.02); A61C 9/006 (2013.01); G01B 11/2513 (2013.01); H04N 13/254 (2018.05); H04N 13/257 (2018.05)]

23 Claims

1. An intra-oral optical scanning method for intra-oral optical scanning comprising:

a. collecting color information for a plurality of sections, each section illuminated by a plurality of colors, said collecting comprising:

i. projecting a pattern, the pattern including at least a first area illuminated by a first color of light and a second area illuminated by a second color of light and at least one non-illuminated area onto an intra-oral feature;

ii. making a first image of said first area, said second area and said non-illuminated area;

iii. differentiating between said first color of light and said second color of light in said first image of the projected pattern; and

iv. determining from said first image of said non-illuminated area at least one of an ambient light level, a level of scattered light, a level of light absorption and a level of light reflected from at least one of said first area and said second area;

and

b. producing a model to classify an object's optical property information.