Awareness and knowledge of undergraduate dental students about the signs and symptoms of Corona viral infection (COVID-19), and the required infection control measures to prevent its spread

Bulletin of the National Research Centre

Table 4 Frequencies (n) and percentages (%) for answers regarding instruments used during emergency dental treatment during COVID-19 pandemic

Instrument	Highly recommend		Recommend		Don’t recommend		Highly don’t recommend
Instrument	n	%	n	%	n	%	n	%
Hand instrument	679	43.7	378	24.3	450	28.9	48	3.1
Low-speed hand piece	192	12.3	768	49.4	534	34.3	61	3.9
High-speed hand piece	510	32.8	468	30.1	378	24.3	199	12.8