Effect of Using Image Standardization Device for Dental Photography Standerdizatuon in Comparison to Individualized Photography In Vivo Study

Digital images for each patient will be taken once with the camera fixed on the classic tripod and again when the camera was fixed on the ISD , then horizontal and vertical measurements of the canines will be recorded by using a computer software on the digital images, then bleaching will be fine for all patients, then a second set of images will be taken again with the tripod and then with ISD, then measurements will be repeated and compared with the first set of images