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(dental handpiece)
886 results
  • Press-on force during polishing of resin composite restorations. [Journal Article]
  • DMDent Mater 2019; 35(6):937-944
  • Heintze SD, Reinhardt M, … Peschke A
  • CONCLUSIONS: The press-on forces applied during polishing varied significantly between dentists and within the same dentist. In about 25% of the polishing time, forces were above the 2N limit, which is recommended by some manufacturers as the maximum polishing force. Test institutes and manufacturers should evaluate the polishing performance of polishing instruments with various press-on forces.
  • Amalgam Strength Resistance to Various Contaminants. [Journal Article]
  • ODOper Dent 2019 Mar/Apr; 44(2):E83-E96
  • Roggenkamp C, Choi B, … Robles R
  • CONCLUSIONS: Saliva, blood, and handpiece oil diminish compressive strength significantly, but water shows no statistically significant effect (p>0.05). Amalgam 30-day shear strength is significantly altered by contamination with water, blood, or handpiece lubricant oil (p<0.05). Remaining amalgam strength after extensive contamination may still be clinically functional relative to a previous ADA recommendation and when compared with resin-based direct restorative materials.
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