title: Influence of Drilling Speed on Stability of Tapered Dental Implants: An Ex Vivo Experimental Study.
abstract: OBJECTIVE
  The aim of this study was to evaluate whether the drilling speed used during implant site preparation influences primary stability.
  
  
  METHODS
  Eighty tapered designed implants (3.8 × 10 mm) were inserted following osteotomies created in solid rigid polyurethane foam (simulating bone type II) and cellular rigid polyurethane foam (simulating bone type IV). Half were prepared using drilling speeds of 800 rpm (low speed), and the other half were prepared using speeds of 1,500 rpm (high speed). Following insertion, implant primary stability was measured using Periotest and Osstell (resonance frequency analysis [RFA]) devices.
  
  
  RESULTS
  Two-way analysis of variance (ANOVA) used for this study found that the drilling speed used to create the osteotomies appeared to have no significant impact on primary stability.
  
  
  CONCLUSIONS
  The bone quality and not the osteotomy drilling speed seems to influence the implant primary stability.
authors.forename: Karen P
authors.initials: KP
authors.lastname: Almeida
authors.forename: Rafael
authors.initials: R
authors.lastname: Delgado-Ruiz
authors.forename: Leandro G
authors.initials: LG
authors.lastname: Carneiro
authors.forename: Alberto Bordonaba
authors.initials: AB
authors.lastname: Leiva
authors.forename: Jose Luis
authors.initials: JL
authors.lastname: Calvo-Guirado
authors.forename: Gerardo
authors.initials: G
authors.lastname: Gómez-Moreno
authors.forename: Hans
authors.initials: H
authors.lastname: Malmström
authors.forename: Georgios E
authors.initials: GE
authors.lastname: Romanos
mesh_terms: D000704:Analysis of Variance; D003758:Dental Implantation, Endosseous / Q000295:instrumentation / Q000379:methods*; D015921:Dental Implants; D017267:Dental Prosthesis Design; D017268:Dental Prosthesis Retention / Q000592:standards*; D006801:Humans; D008962:Models, Theoretical; D010027:Osteotomy / Q000379:methods*; D011140:Polyurethanes
chemical_list: D015921:Dental Implants; D011140:Polyurethanes; C028279:polyurethane foam