Nowadays as technology develops itself, regular needles are being replaced by digital needles. The difference between digital needles and traditional anaesthetic needles is that the digital needles cause barely any pain. Digital needles inject the anaesthetic matter according to the patients’ tissue pressure. As the pressure is adjusted for a patient’s individual sensitivity or pain level, the sense of pain is much less than with the older system. The anaesthetic which is injected is the same as with a traditional needle.