Abstract
Bone Heating during Osteotomy for Dental Implant Placement is a High Risk Factor of Osteonecrosis. the Aim of this Study was to Investigate in Vitro the Temperature Changes Induced in Bone by Different Burs with External Cooling during the Surgical Step of Osteotomy. it was Used the Digital Infrared Camera FLIR SC640 (Flir Systems) that Allowed a Real-Time Infrared Thermographic Analysis of Thermal Images, Recorded 0.50 m Away from Osteotomy Site. there were Prepared 10 Osteotomy Sites with each MIS System Burs of Progressive Diameter (2 Mm ø, 2.8 Mm ø, and 3.2 Mm ø), at 2000 Rpm, on 30 Samples of Bovine Femoral Bone. the Thermographic Analysis Showed that the Mean Temperature Generated in Bone by Performing the Osteotomy was 46,5oC ± 0,48 for 2 Mm ø Bur, 59,5oC ± 1,62 for 2.8 Mm ø Bur, and 51,4oC ± 0,51 for 3.2 Mm ø Bur. Surprisingly the Maximal Temperatures were Recorded with Intermediatte 2.82 Mm ø Bur. the Infrared Thermography Proved to Be a High Accurate, Fast, and Efficient Non-Invasive Method of Bone Temperature Measurement Generated during Drilling for Placement of Dental Implants. while Drilling the Bone in a Progressive Sequence of Bur Diameters, the Temperature Raise is Non-Uniform because the Quantity of Removed Bone is Changing from One Bur to the other, and the Mechanical Friction of Following Burs in the Series is Reduced as Compared to the Pilot Bur.
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