Buccolingual positioning of mandibular Canal can be assessed by:
“Periapical radiographs taken from two vertical angulations, 0° (parallel technique) and – (Minus) 20°, determine the buccolingual position of the canal”.
“Periapical radiographs taken from two Horizontal angulations, 0° (parallel technique) and – (Minus) 20°, may differentiate between buccal and lingual roots”.
Horizontal 0 and -20 degree.
Horizontal 0 and -15 degree.
Vertical 0 and -20 degree.
Vertical 0 and -15 degree.