Abstracts_Implant_oral hygiene

نویسندگان

  • Lee H. Silverstein
  • Gregori M. Kurtzman
چکیده

The aim of the present study was to compare the cleansing properties of mechanical supportive care for dental implants with the use of an etching gel. Sixteen patients underwent a 5-month clinical trial with monthly recalls. These patients, wearing maxillary complete dentures and mandibular overdentures supported by a bar device on 4 implants, were treated in a split-mouth study design. Test and control therapy were randomly assigned to left and right sides of the mandible. At the test side, 35% phosphoric etching gel (pH 1) was applied in the peri-implant sulcus. After 1 minute, the sulcus was thoroughly rinsed with a water spray for approximately 15 seconds per implants. Control therapy consisted of supraand subgingival debridement using carbon fiber curettes and a rubber cup. Plaque, calculus, probing pocket depth, and modified Gingival Index were determined before each treatment. Microbiologic evaluation was performed at baseline, 1 month later, and 5 months later, just before and immediately after each treatment. Per treatment and per assessment, the mean scores of all clinical parameters were calculated for each patient. The number of colony-forming units was used as the primary efficacy variable in the analysis of microbiologic data. At baseline, no differences between test and control sites were observed for any of the clinical parameters. The mean Gingival Index and the mean probing pocket depth were reduced over the 5-month period. The mean reduction in Gingival Index at the test sites proved to be significantly larger at the control sites (P = .03). Both treatment modalities resulted in an instant reduction of the number of colony-forming units, where the reduction by chemical cleaning was larger (P < .05). This short-term study employing a high recall frequency indicates that local application of 35% phosphoric acid gel can be as effective as conventional mechanical supportive therapy. Brookshire FV. Nagy WW. Dhuru VB. Ziebert GJ. Chada S. Institution Marquette University, School of Dentistry, Milwaukee, WI 53201-1881, USA. Title The qualitative effects of various types of hygiene instrumentation on commercially pure titanium and titanium alloy implant abutments: an in vitro and scanning electron microscope study. Source Journal of Prosthetic Dentistry. 78(3):286-94, 1997 Sep. Abstract STATEMENT OF PROBLEM: Implant survival depends on proper and timely oral hygiene maintenance, and a wide variety of oral prophylaxis procedures have been recommended and used on implant abutments. PURPOSE: This in vitro study compared the surface quality of both commercially pure titanium and titanium-alloy implant abutments, subjected to various hygiene methods and instruments with a standardized, clinically applicable scaling force. MATERIAL AND METHODS: Commercially pure titanium and titanium-alloy abutments were exposed to five oral hygiene methods; a gold-alloy-tipped scaler, a high-grade resin scaler, a graphite-reinforced scaler, an airpowder abrasive system, and a rubber cup with tin oxide slurry. A customized test device that simulated the scaling motion and allowed the application of a standard load at the tip of the scaler was used. Scanning electron photomicrographs (x200) of the pretreatment and treated surfaces were obtained and compared qualitatively. RESULTS AND CONCLUSIONS: No significant surface alteration was produced by the air abrasive system. All other hygiene methods either created significant surface alterations, left residual particles on the abutment surfaces, or both.STATEMENT OF PROBLEM: Implant survival depends on proper and timely oral hygiene maintenance, and a wide variety of oral prophylaxis procedures have been recommended and used on implant abutments. PURPOSE: This in vitro study compared the surface quality of both commercially pure titanium and titanium-alloy implant abutments, subjected to various hygiene methods and instruments with a standardized, clinically applicable scaling force. MATERIAL AND METHODS: Commercially pure titanium and titanium-alloy abutments were exposed to five oral hygiene methods; a gold-alloy-tipped scaler, a high-grade resin scaler, a graphite-reinforced scaler, an airpowder abrasive system, and a rubber cup with tin oxide slurry. A customized test device that simulated the scaling motion and allowed the application of a standard load at the tip of the scaler was used. Scanning electron photomicrographs (x200) of the pretreatment and treated surfaces were obtained and compared qualitatively. RESULTS AND CONCLUSIONS: No significant surface alteration was produced by the air abrasive system. All other hygiene methods either created significant surface alterations, left residual particles on the abutment surfaces, or both. Entspricht nicht ganz der Fragestellung, ist aber interessant. Int J Dent Hyg. 2007 May;5(2):87-94. Peri-implant maintenance of immediate function implants: a pilot study comparing hyaluronic acid and chlorhexidine. de Araújo Nobre M, Cintra N, Maló P. Department of Oral Hygiene, Clínica Maló, Lisbon, Portugal. [email protected]

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تاریخ انتشار 2010