Radiography

Interproximal

Secondary

Smooth surface

Occulsal

Cervical burnout/root

Too far in

Too far out

Chin up

Chin down

Rotated

Slumped

Overexposed

Underexposed

Artefact

Patient moved

Film back to front

Opaque film - Inadequate fixation

Brown film - Inadequate final washing

Film is bent

Tilted occlusal plane

Rear side of film packet

Scratches on film plate

Elongation

Foreshortened

Horizontal overlapping

Round cone cut off

Rectangular cone cut off

Double exposure

Thyroid collar

Double exposure

Curved receptor

Sensor exposed to light

Damaged sensor

Coning off - due to incorrect use of bisecting angle technique

Bent film

- due to incorrect use of bisecting angle technique

Ghost image

Lead apron above collar line

Patients tongue not on root of mouth

Orbital floor

Inferior nasal concha

Hard palate

Posterior wall of the antrum

Move patient forward

Move chin up

Move patient back

Patient rotated

Right submandibular fossa

Nasal cavity

Teeth elongated

Anterior wall of maxillary sinus

Left condyle

Right coronoid process