Table 1.

Advantages of computer controlled local anesthesia (CCLAD) over conventional needle and syringe

What makes CCLAD makes it better than conventional methods?	3rd Year	4th Year	Interns	PGs
Slow rate of administration	7.8%	16.0%	7.6%	6.7%
Auto-aspiration	3.9%	10.0%	3.3%	3.3%
Easy pen grasp	3.9%	3.0%	2.2%	3.3%
Single tooth anesthesia	0.0%	1.0%	0.0%	0.0%
Accurate identification of PDL	2.0%	0.0%	0.0%	1.7%
Monitoring of exact needle location	9.8%	10.0%	4.3%	10.0%
All of the above	21.6%	17.0%	44.6%	43.3%
I don't know	51.0%	43.0%	38.0%	31.7%