Dental Radiography Module 8 Flashcards
1
Q
manual processing….?
A
A ‘Dark Room’ is necessary
• 1.On exposure a latent image is formed
• 2.Image must be developed to be seen with developer which is alakaline
• 3.Must then be fixed to make it a permanent film 20°C for 5 minutes, 21°C for 4 ½ minutes, 22°C
for 4 minutes
• The silver halide crystals will be converted to black metallic
silver and will produce grey/black areas of image
Washed with water to remove fixer solution
dried
2
Q
Problems with manual developing?
A
- Too long/hot – dark film
- Too short/cool – light film
- Image is not permanent so could fade
