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(dental handpiece)
896 results
  • The cooling efficiency of different dental high-speed handpiece coolant port designs. [Journal Article]
    Heliyon 2019; 5(8):e02185Chua H, Choi JJE, … Waddell JN
  • The study investigated the cooling efficiency of different numbers of water coolant ports on high-speed handpieces (HSH) under cooling conditions used in clinical practice. Twenty-four groove cuts with water on and nine cuts without water were made on extracted human premolars using three HSHs with different port configurations. Thermocouples were placed in the pulp chambers and temperature chang…
  • Autoclave sterilization of dental handpieces: A literature review. [Review]
    J Prosthodont Res 2019Sasaki JI, Imazato S
  • CONCLUSIONS: Although type B and type S autoclaves allow us to sterilize the dental handpieces, it is important to realize that complete sterilization of the handpiece is not always achieved by type N autoclave. Understanding autoclave processing of handpieces is essential for dental practice to deliver the safe dental care.
  • Effect of Photobiomodulation on Secretion of IL-6 and IL-8 by Human Gingival Fibroblasts In Vitro. [Journal Article]
    Photobiomodul Photomed Laser Surg 2019; 37(8):457-464Harorli OT, Hatipoglu M, Erin N
  • CONCLUSIONS: These results demonstrate that photobiomodulation can alter IL-6 and IL-8 release, with cytokine suppression potency at a relatively high dose, as demonstrated previously. However, in contrast, we found that a low level of stimulation (6 J) in the presence of inflammation (LPS stimulation) may further enhance IL-6 and IL-8 release. We also found that p38 and ERK1/2 pathways are activated by LPS as well as by photobiomodulation.
  • Cervicofacial and mediastinal emphysema after dental extraction. [Journal Article]
    Dent Med Probl 2019 Apr-Jun; 56(2):203-207Cuccia AM, Geraci A
  • Subcutaneous emphysema (SE) is a rare but potentially life-threatening complication in dental procedures. The development of SE and pneumomediastinum (P) during tooth extraction is an uncommon complication. The roots of the second and third lower molars (and, rarely, of the premolar and first molar) communicate directly with the sublingual and submandibular spaces. Occasionally, after a dental op…
  • Press-on force during polishing of resin composite restorations. [Journal Article]
    Dent Mater 2019; 35(6):937-944Heintze 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.
  • Assessing the cutting efficiency of different burs on zirconia substrate. [Journal Article]
    Aust Endod J 2019Peters OA, Du D, … Moule A
  • Cutting dental zirconia for endodontic access preparation is difficult. Therefore, this study aimed to determine cutting efficiency of various burs when cutting this material. An air turbine handpiece was used in a customised test rig to cut sintered zirconia specimens, using a conventional blue band diamond, two different zirconia-cutting diamond and a zirconia-cutting tungsten carbide bur. Posi…
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