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18 Dental Tribune Middle East & Africa Edition | September-October 2014endo tribune > Page 19 FKG Dentaire SA www.fkg.ch For more information or to book your next endo training in FKG Dubaï Center, contact mea@fkg.ch LED Ergonomic and light 250 – 1200 rpm Auto-reverse disengage mode 10 presetable torque/speed programmes Rooter, light up your work Empirical comparative study confirms thixotropic wound dressing for haemostasis By Dr. Sven Schomaker H aemostasis is funda- mental to the preven- tion of excessive blood loss and for wound healing after injury, or wound setting. It is a basic prerequisite for flawless work in restorative dentistry. There are numerous tissue management systems available on the dental market for haemostasis and retraction today. Both purely mechanical techniques and locally acting chemical agents in the form of solutions, gels and pastes are available, which can be applied alone or in combination with retraction sutures. In a German survey, 510 dental professionals tested the practicality of vari- ous haemostatic agents and compared them. The thixotropic HEMOSTASYL (Pierre Rolland, Acteon Group) achieved the best re- sults. The gel received a rat- ing of very good, primarily for its astringent and hae- mostatic effects, as well as for its handling properties. The best means of avoid- ing possible bleeding com- plications is a conservative procedure that causes little trauma to the tissues and vessels. In many cases, a sufficient local therapy can also help prevent bleeding complications during and after surgical procedures or reconstruction. In addition to the body’s own haemostatic mecha- nisms, there are a num- ber of measures and sub- stances in dentistry that support the achievement of haemostasis. They can be of a mechanical, chemical, thermal or surgical nature, as well as a combination of these. The products or tech- niques selected depends on the clinical situation (lo- calisation, and the extent or risk of bleeding), as well as on the practitioner’s prefer- ences. Rapid haemostasis with aluminium chloride and kaolin Since the products avail- able on the dental market at the time did not adequately meet the requirements for a local haemostatic agent (risk free for patients; quick, effective and reliable bleed- ing control; easy handling; and fast), the Pierre Rolland company introduced a new type of gel in Germany in October 2007, which adopts a different approach to the problem of haemostasis. HEMOSTASYL is a thixo- tropic product for light to moderately heavy bleeding, and contains aluminium chloride. Its angled syringe applicator facilitates direct, precise application. Indica- tions for the haemostatic wound dressing include composite fillings, tooth preparation, impression taking, temporary crowns and bridges, root tip resec- tions and cementation. The haemostatic effect of HEMOSTASYL is brought about through the combi- nation of aluminium chlo- ride and kaolin, and is me- chanically augmented by the thixotropic properties of the material. Haemosta- sis should begin to take ef- fect in less than 2 minutes, after which the treated lo- cation should be free from (seepage) bleeding. The gel is applied with the applica- tion cannula, with no pres- sure exerted on the gingiva. After haemostasis has been achieved, the turquoise- blue substance is removed with a light air and water spray and simultaneous suction (Figs. 1–4). Methods In order to determine whether this medical prod- uct offers advantages over other products used for hae- mostasis, some 1,000 sam- ple packs were distributed to dentists, orthodontists and oral surgeons through- out Germany, along with instructions for use and a questionnaire. Of these, 510 respondents agreed to test a sample pack and return the completed questionnaire within a period of three months of receipt. Questionnaire The questionnaire was de- veloped in collaboration with the Institute for Medi- cal Biometrics and Epide- miology at the University Medical Center Hamburg- Application of HEMOSTASYL after bleeding following dental car- ies treatment. (Photograph courtesy of ACTEON)