Therefore, it is imperative that x-rays are performed for complete assessment of the tooth. (northelmanimalhospital.com)
Approximately 540 000 students completed the assessment in 2015, representing about 29 million 15 - year - olds in the schools of the 72 participating countries and economies. (thoughtco.com)
These activities involve playing online audio or video files of students completing the assessment and scoring the responses. (fastbridge.org)