At least one embodiment of a method for scanning material using a dental ultrasonic imaging probe comprising an ultrasonic device configured for emitting ultrasound signals within at least two emitting cones and for receiving corresponding echoed ultrasound signals, the at least two emitting cones extending in different directions, the method comprising: receiving an item of information relating to a direction for emitting an ultrasound signal; selecting one of the received corresponding echoed ultrasound signals or the ultrasound signals to be emitted as a function of the received item of information.