Infection Risk Prediction Model for COVID-19 Based on an Analysis of the Settlement of Particles Generated during Dental Procedures in Dental Clinics

Table 9

Prediction scale of the risk of infection due to exposure to aerosol particles generated during AGPs.

Variable		Score
Tooth	Anterior	1
	Posterior	0
Ventilation	Open	0
	Close	2
Distance	<78 cm	3
	>78 cm	0
Instrument	Handpiece	1
	Other	0
Location	Operator and patient	1
	Assistant	2
Total		10