Common Errors in Digital Panoramic Radiographs of Patients with Mixed Dentition and Patients with Permanent Dentition

Table 6

The association between the type of error and the problem in the radiograph’s diagnostics in mixed dentition.

Type of error	Reason	Percent of nondiagnostic radiographs	𝑃 *
Head tilted	Blurred/unclear radiograph	62.5%	0.001
Chin down in rest	Lower incisors blurred/shortened/unclear	92.9%	0.001
Chin down in rest	Upper incisors blurred/shortened/unclear	0	0.003
Chin up in rest	Lower incisors blurred/shortened/unclear	0	0.001
Chin up in rest	Upper incisors blurred/shortened/unclear	75.0%	0.001
Slumped position	Lower incisors blurred/shortened/unclear	100%	0.029

*Fisher exact test.