Determining which type of bur – diamond or carbide – generates more heat is a multi-faceted issue that requires comprehensive consideration. There is a direct correlation between the rotating speed and pressure applied to the bur, as well as the hardness of the material being worked on. Generally, diamond burs rotate at higher rates and are efficient in cutting through tougher surfaces, which makes them generate increased friction and heat. Carbide burs are able to cope with higher temperatures without failure; thus, they could prove more capable of enduring significant heat.

The power behind the bur is more than a mere factor while deciding the level of heat produced. Not only must the type of bur be considered, but also the speed at which it is spun and the pressure with which it is applied to the material. As the rotation of the bur increases, so does the friction leading to an amplified amount of heat. Additionally, with each additional press of the bur into its subject comes an increase in temperature.

Working on a particular material alters the quantity of heat produced; softer mediums often induce a lesser level of heat than firmer items do. The logic of this is that harder materials need more force to cleave, thus producing more friction and hence more heat.

Diamond burs rotate at a faster rate, enabling them to tackle tougher surfaces. Through this increased workload, the friction created also increases and produces more heat. At the same time, carbide burs are able to tolerate a higher temperature without deteriorating, meaning they are able to cope with greater heat overtime. In the end, it is the combination of the bur type, speed of rotation, pressure exerted and material being worked that determines the level of heat produced.

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