LDF ( LASER DOPPLER FLOWMETRY )

Question 1

Introduced by?

Answer 1

Gazelius…

Question 2

Uses which laser?

Answer 2

He-Neon…. (632.8 mm)

Question 3

Principle of LDF??

Answer 3

Doppler’s principle —
Measures RBC flux = Mean RBC vol × RB velocity..

LDF machine gives graphical output……. Which is subjected to FFT Analysis (Fast Faurrier)
If FLAT - Tooth is VITAL…
If SPIKES - NON VITAL…

Question 4

Q from PULSE—

LDF is a method to assess Blood flow in?

Answer 4

MICROvascular syst

Question 5

Advantages -

Answer 5

The MOST ACCURATE method to assess pulp vitality…