• First Dental Course in Spanish, Director and Invited Speaker, October 15-17, 1984 Baylor College of Dentistry.
  • Meeting of the Odontologic Federation of Central America and Panama , December 1984, San José , Costa Rica , Central America .
    • "Combined Fixed and Removable Oral Rehabilitation”
    • "Problems in Metal Porcelain Restoration"
    • "Design of Metallic Structures for Porcelain”.
  • Study group Julio Oscar Novoa, December 12, 1984, San Salvador, El Salvador, Central America,
    • "Problems in Restorations in Metal Porcelain"
  • Salvadorean Association of Dental Technicians, December 13, 1984, San Salvador, El Salvador, Central America.
    • "Alternatives in aleations for porcelain".
    • "Problems in Porcelain Metal Restoration".
    • "Design of metal structures for porcelain” .
  • University of El Salvador, Dental Faculty, December 14-25, 1984, San Salvador, El Salvador, Central America.
    • "Functional and Esthetic Oral Rehabilitation".
    • "Design of metallic structures for porcelain”.
    • "Complete Rehabilitation with fixed prosthesis"
  • Unitek Laboratory Symposium, May 16, 1985 , Harlingen , Texas ,
    • "Framework Design in Ceramometal Restorations."
  • American Association of Dental Research, April 1985, Las Vegas , Nevada ,
    • "Strength of Soldered Joints for Pd-Rich and Au-Pd casting Alloys."
  • Annual Seminar of Study Group, Ciudad Acuña. October 10-13, 1985, Ciudad Acuña Coahuila, México.
    • "Preparations in fixed prosthesis".
    • "Structural design in fixed prosthesis".
    • "Porcelain creations".
    • "Sthetic functions in oral rehabilitation".
    • "Complete rehabilitation with fixed prosthesis".
  • Salvadorean Dental Association, Odontologist´s week, October 3-4, 1985 . San Salvador, El Salvador, Central America.
    • "Preparations in fixed prosthesis".
    • "Structural design in fixed prosthesis".
    • "Porcelain creations".
    • "Sthetic functions in oral rehabilitation".
    • "Complete rehabilitation with fixed prosthesis".
  • American Association of Dental Research, March 1986, Washington , D.C. ,
    • "Comparison of Pd-based and Au Alloys for Ceramometal Restoration".
  • New Concepts in Periodontics – Prosthodontics, October 25, 1986, Baylor College of Dentistry, Dallas, Texas, presented by Dr. Rafael E. Lorenzana and Dr. Hilton Israelson.
  • New Concepts in Periodontics – Prosthodontics, Graduate Periodontics, University of Nuevo León, April 22, 1987, Baylor College of Dentistry, Dallas, Texas.
  • Dental Society of El Salvador, Odontologist´s week, October 4 - 5, 1988, San Salvador , El Salvador, Central America,
    • "Prosthetic rehabilitation over implants".
  • Dallas Country Dental Society, " Dallas Mid-Winter Dental Clinic", January 28, 1989 , Dallas , Texas – Perio-Prosthodontics".
  • Texas Dental Association, "119 th TDA Annual Session ", May 6, 1989 , San Antonio , Texas ,
    • "Dental Implants: A Prosthodontist Approach".
  • Advances in Implantology, Dallas , Texas . October, 1991.
  • Dental Implants and Prosthodontics, Plano Study Group, Plano , Texas , July 1992.
  • Congress of the Odontologic Federation of Central America and Panama, Nov. 1992, San Salvador, El Salvador, Central America,
    • "Rehabilitation with fixed prosthesis."
  • Congress of the Odontologic Federation of Central America and Panama , Nov. 1993. San Salvador, El Salvador, Central America.
    • "Complex Rehabilitations with fixed prosthesis”.
  • Texas Dental Association "T.D.A. Annual Session", May 1994, “Complete Dentures".
  • Oral – B, August 25, 1994 . San Salvador, El Salvador, Central America.
    • "Implantology in general odontology".
  • Western Odontological Association, January 28, 1995 . Santa Ana, El Salvador, Central America.
    • "Complete Prosthesis".
  • Eastern Odontological Association, March 11, 1995 . San Miguel, El Salvador, Central America.
    • "Oral Implantology".
  • Salvadorean Association of Dental Enterprises, March 31, 1995, San Salvador, El Salvador, Central America .
    • "Prosthesis and Implantology".
  • Dental Association of El Salvador , May 12, 1995. San Salvador, El Salvador, Central America.
    • "Fixed prosthesis innovations".
  • Colombian Association of Prosthodontics, August 25-26, 1995 .Santafé de Bogotá, D.C. Colombia.
    • "Osseointegrated implants, surgery and rehabilitation”.
  • Odontologist´s Association of Suchitepequez, A.O.S. August 31, September 1°-2, 1995, Mazatenango, Suchitepéquez, Guatemala, Central America.
    • "Implantology".
  • Prosthodontics Association of El Salvador, February 1996, San Salvador, El Salvador, Central America. Invited speaker in the Second jornada of Prosthodontics.
  • Salvadorean University "Alberto Masferrer", June 27, 1996, San Salvador, El Salvador, Central America.
    • "Oral Implantology".
  • Congreso de la Unidad Odontológica Latinoamericana , November 27-30, 1997, Perú, South America .
    • "Prosthesis supported by implants"
    • "Design of metallic structures for porcelain”.
  • XXX Congreso Istmeño de Odontología en Panamá , January, 28-31, 1998, Panamá, Central America. Fixed Prosthesis:
    • "Complete rehabilitation with fixed prosthesis".
  • XXVIII Congress of the Odontologic Federation of Central America and Panama , March 2-6, 1998 . Managua, Nicaragua, Central America.
    • "Functional and Esthetic Oral Rehabilitation ".
  • 1st Latin American Meeting and 4 th National Symposium of Education and Prevention of Oral Health organized by the Odontolological Confederation of Argentina, April 29 – May 1, 1999 .
  • "Implants over Prosthesis”, Dominican Odontological Association, Dominican Republic , 26-30 May 1999.
  • Universal Insurance Seminar. Financial Workshop del sector salud y su reforma.Comisión de Medio Ambiente y Salud de la Asamblea Legislativa. 20-21 July 1999.
  • Health Care Reform in El Salvador- National Council of Health Care Reform, 2000.
  • Health Care Reform in Colombia- National Council of Health Care Reform, February 2000.
 
 
 
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