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This study aimed to assess the effect of instrumentation, with traditional and modified ultrasonic scalers, on titanium implant surfaces and to correlate this with the oscillations of the instruments. Materials and methods: Two ultrasonic insert designs (metallic TFI-10 and a plastic-tipped implant insert) were selected. Each scaler probe was scanned using a scanning laser vibrometer, under loaded and unloaded conditions, to determine their oscillation GDC-0973 mouse characteristics. Loads were applied against a titanium implant (100g and 200?g) for 10?s. The resulting implant surfaces were then scanned using laser profilometry and scanning electron microscopy (SEM). Results: Insert probes oscillated with an elliptical motion with the maximum amplitude at the probe tip. Laser profilometry detected defects in the titanium surface only for the metallic scaler insert. Defect widths at 200?g high power were significantly larger than all other load/power Aldosterone conditions (PNatural Product Library concentration Res. 23, 2012; 76�C82 doi: 10.1111/j.1600-0501.2011.02186.x ""To assess and compare changes in health-related quality of life (HRQoL) and oral health-related quality of life (OHRQoL) after bone graft harvesting for dental implants with respect to the donor site. Autologous bone grafts were harvested in a consecutive sample of 23 patients (mean age: 46.1?years; 52% female) either from an intra-oral (IO; N?=?8; chin, ascending ramus, buttress region) or an extra-oral (EO; N?=?15; anterior iliac crest) donor site, followed by implant placements. HRQoL was self-administered by the patients using the Short-Form 36 (SF-36) and OHRQoL was assessed using the Oral Health Impact Profile (OHIP-49) preoperatively, 3?days and 4?weeks after surgery. Impact of donor site on changes in both concepts of QoL was determined in multiple linear regression analyses. Patients with extra-oral donor sites reported a substantial deterioration in the physical component (PC) of HRQoL indicated by an increase in the PC score of the SF-36 (P?