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

Table 1

Comparative analysis between the stained area for the pneumatic scaler and the ultrasonic scaler.

Type of scaler	N	Min	Max	Median	Rank	Mean	SD	value (<0,05)
Pneumatic	100	0	10758	1972	10758	305.5	1294	0,0084
Ultrasonic	100	0	2507	8,3 × 10^−6	2507	97.6	381.6

Stained area data in µm.².