Scientific Program

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Day 2 :

Keynote Forum

Thomas H Loew

University Hospital Regensburg, Germany

Keynote: New horizons in hemodynamics: Hydrodynamic sonic toothbrush lowers blood pressure significantly – an RCT

Time : 09:30-10:10

Conference Series Euro Dental Congress 2018 International Conference Keynote Speaker Thomas H Loew photo

Thomas H Loew is doing clinical research in relaxation exercises since 1992. As a psychiatrist and specialist in Psychosomatic Medicine and Psychoanalyst he works on the transfer of simple physiologically founded interventions into general medicine, e.g. hypertension, asthma, headache, somatoform disorders, obesity and specific phobias, for example dental anxiety. He is the President of the German Association for Medical Relaxation Methods, Hypnosis, Autogenic Training and Therapy and VicePresident of the Association of European Physicians for Psychosomatic Medicine.


Introduction: Slow paced breathing (SPB) for some minutes has relevant effects on high blood pressure it improves heart performance, relaxes and reduces anxiety. To get the right rhythm devices like Respirate®, Decelerbreather®, Atemtakter® or some apps (e.g. Breathe) are used. Clinical relevant effects are shown already after 3 minutes, two times a day. 3 minutes, two times a day? - The time we use for tooth brushing. So why not get double efficacy? A hydrodynamic sonic toothbrush (HST) can provide acoustic information. The Edel White HST includes a Yoga-Modus: It proposes a rhythm from the Pranayama tradition: After 4 seconds breathing in, the air is hold for 4 seconds followed by 8 seconds expiration.
Method: In a controlled randomized trial of cross over design with 20 participants and the effect of this “Yoga-Modus” was compared to standard HST, HST combined with an external breath pacer device in the other hand providing the usual SPB (4 seconds inspiration, 6 seconds expiration) and a combination with a body-oriented technique practiced while brushing. Blood pressure was measured with a wrist monitor before and after brushing.
Results: There was a significant reduction of blood pressure observed for standard HST and the Yoga-Modus. But not everybody took profit from the hemodynamic point of view from the standard HST only 10 out of 20 reduced their blood pressure while brushing the teeth. Further 8 participants could profit from the Yoga-Modus. Introducing a respiration regime in a hydrodynamic sonic toothbrush has a helpful physiological impact on blood pressure regulation.

Conference Series Euro Dental Congress 2018 International Conference Keynote Speaker Jose Luis Latorre Valenzuela photo

Jose Luis Latorre Valenzuela specialized in Implant Dentistry in Barcelona at International University of Catalonia, UIC. He was interested in soft tissue management and continued his education with the Postgraduate program in Periodontics at UIC. Nowadays, he combines his practice focused on Implant Dentistry, Periodontics, Implant prosthesis with the research activity, at UIC.


Aim: The aim of this study was to analyze the swelling speed of tissue expanders.
Materials and Methods: Six samples of Osmed® soft tissue expanders were studied in vitro. They were submerged in saline solution CL Na 0.9% 37°C, imitating human conditions. The samples were weighed every 24 hours for the first 2 days; therefore, every 4 days until the samples stopped absorbing fluid. The weight measurements gave us the swelling speed of the devices in these conditions.
Results: In this in vitro study, the curves expressed by the expansion behavior of Osmed® devices are described.
Conclusion: The swelling behavior of Osmed® soft tissue expanders demonstrated in this vitro study, could differ from a linear growth. There are differences in behavior between the two devices studied. Swelling speed should be considered when applying soft tissue expansion devices, prior to any regenerative technique.