Intraoral Radiographic Anatomy

Question 1

why are carious lesions seen as a radiolucency

Answer 1

as it is demineralisation

Question 2

what is cervical burnout

Answer 2

artefactual phenomenon created by anatomy of teeth and varied penetration of x-ray beam

Question 3

what is the mach band effect

Answer 3

optical illusion caused by retina where the bright areas make the darker areas next to them look especially dark

Question 4

what is the y of ennis

Answer 4

superimposition of the nasal cavity floor and border of maxillary sinus (seen in maxillary occlusal)

Question 5

what are the 2 types of upper occlusals

Answer 5

anterior oblique maxillary
lateral oblique maxillary

Question 6

what are the 2 types of lower occlusals

Answer 6

true mandibular occlusal
anterior oblique mandibular

Question 7

what do you include in a radiographic report

Answer 7

general overview, teeth, apical tissues, periodontal tissues, bone, diagnostically acceptable or not