- The Royal College of Surgeons, London
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- International Congress of the Turkish Endodontic Society, Istanbul, Turkey
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- International Dental Congress on Modern Pain Control, Edinburgh
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- International Dental Congress of the Selcuk University, Konya, Turkey
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- American Dental Society of London, London
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- Private Prosthodontic Group, Algarve, Portugal
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- Scientific Congress of the Polish Stomatology Society, Lodz, Poland
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- Bio-osseous materials meeting – FM Dental, Krakow, Poland
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- New York University (Ashman Institute for Implantology), USA
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- Bio-osseous materials meeting, Krakow, Poland
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- Advances in Surgical and Prosthetic Implantology, London
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- Odontologic Congress, Stockholm, Sweden
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- Swiss Association of Oral Implantology, Zurich, Switzerland
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- International Congress, Turkish Dental Association, Istanbul, Turkey
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