What is the effect of bone density and drilling protocol on heat generation during implant bed preparation? A recent study 1 investigated ten single and ten gradual implant sites with diameters of 2.8, 3.5, and 4.2mm that were prepared in four artificial bone blocks (density types I-IV; D1-D4).
Single drilling could generate more heat than traditional sequential drilling, and bone density, as well as drill diameter, influenced thermal increases. Particularly in lower-density bone, conventional sequential drilling seems to raise the temperature less.
What is your preferred drilling technique: single or sequential?
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1. Int J Oral Maxillofac Surg. 2016 Nov;45(11):1478-1484. Thermal evaluation by infrared measurement of implant site preparation between single and gradual drilling in artificial bone blocks of different densities.
Möhlhenrich SC, et al.