Basic Interpretation Flashcards
1
Q
cervical burnout
A
radiolucency at neck of teeth
created due to anatomy of teeth and varied penetration
due to thickness of tooth
contact points have less, less attenuation, darker areas
2
Q
amalgam shadows
A
radiopaque zone beneath amalgam restoration
due to Sn and Zn ions released into demineralised dentine, increasing radiodensity, radiopaque
3
Q
mach band effect
A
optical illusion by retina
underneath restorations, mimicking secondary caries
bright looks brighter, dark looks darker
consider shape -> uniform outline under restoration
4
Q
aims of radiographs
A
identify presence/absence of disease
provide info on nature/extent of disease
monitor disease progression
investigate unerupted/missing teeth
enable formation of tx plan/diagnosis
