BULETINUL INSTITUTULUI POLITEHNIC DIN IAŞI - Universitatea ...

Bul. Inst. Polit. Iaşi, t. LVI (LX), f. 2, 2010 253
• There is no delay between the generation of heat and the perception of
the local heat.
• It is possible to measure the temperature over a whole area.
• Dynamic changes in temperature can be seen during the process.
The dynamic register of thermographies allows making a complete study of
the evolution of the temperature during the process.
3. Experimental Set-Up
In this study we have used infrared thermology to determine the cutting
temperature in bone drilling for dental implants. Figure 1 shows the
experimental set-up.
Fig. 1. Experimental set-up
Tools used during the tests are:
• Thermographic camera
A camera Infratec of high-speed thermography was used (ImageIR 5300,
range from 700 to 1 µm; with a high frame rates of up to 250 Hz). A lens with a
focal length of 100 mm was used with a macro lens of 500 mm. The infrared
camera thermography enabled the estimation of temperature increase and
temperature fields at bone drilling. The camera was set at an angle of 30º in
relation to the hole axis (drilling direction), and the temperatures were
determined (Fig. 1).
The results of the thermographic camera are images where each temperature
isotherm is denoted with a different colour, see Fig. 4.
• Surgical motor
Surgic XT Motor System (with a built-in irrigation system). Technical
data: Power 210 W; motor speed: 200 – 40.000 rpm; torque: 50 Ncm. We used