Hessam Nowzari
Encyclopedia
Hessam Nowzari is the Director of the University of Southern California
University of Southern California
The University of Southern California is a private, not-for-profit, nonsectarian, research university located in Los Angeles, California, United States. USC was founded in 1880, making it California's oldest private research university...

 Advanced Periodontics program, since 1995, and is a Diplomate of the American Board of Periodontology
American Board of Periodontology
The American Board of Periodontology is an organization which serves the public and the dental profession by administering the board certification process for experts in the dental specialty of periodontics. The board was formed in 1939 by the American Academy of Periodontology to maintain a high...

.

Biography

Nowzari holds a PhD in Biology
Biology
Biology is a natural science concerned with the study of life and living organisms, including their structure, function, growth, origin, evolution, distribution, and taxonomy. Biology is a vast subject containing many subdivisions, topics, and disciplines...

 and Health Sciences. He holds many international positions. He does not take any corporate contributions for lectures and his annual USC Periodontal Symposium is one of very few that does not take any commercial sponsorship. Nowzari is the founder of the Taipei
Taipei
Taipei City is the capital of the Republic of China and the central city of the largest metropolitan area of Taiwan. Situated at the northern tip of the island, Taipei is located on the Tamsui River, and is about 25 km southwest of Keelung, its port on the Pacific Ocean...

 Academy of Reconstructive Dentistry in Taiwan
Taiwan
Taiwan , also known, especially in the past, as Formosa , is the largest island of the same-named island group of East Asia in the western Pacific Ocean and located off the southeastern coast of mainland China. The island forms over 99% of the current territory of the Republic of China following...

 and one of only two American members of the Dnipropetrovsk State Academy of Medical Sciences in Ukraine
Ukraine
Ukraine is a country in Eastern Europe. It has an area of 603,628 km², making it the second largest contiguous country on the European continent, after Russia...

. Nowzari has served as a scientific expert on an international panel charged with assessing and ranking research proposals for the Ministry of Education and Research, section of medical engineering, in Italy
Italy
Italy , officially the Italian Republic languages]] under the European Charter for Regional or Minority Languages. In each of these, Italy's official name is as follows:;;;;;;;;), is a unitary parliamentary republic in South-Central Europe. To the north it borders France, Switzerland, Austria and...

. He has been elected to the Italian Board of Experts for evaluating medical products for patient safety and health integrity. In 2oo2, he joined the National Institute of Transplantation (NIT) to study the relationship between periodontal disease and transplant complications. He is also an editor of one of the leading reference publications, Aesthetic Periodontal Therapy: Periodontology 2000. In 2009, Nowzari became a consultant for the US Army on the "objective interpretation of scientific data".

The University of Southern California Advanced Periodontics program mirror's Nowzari's stances on key issues in periodontology
Periodontology
Periodontology or Periodontics is the specialty of dentistry that studies supporting structures of teeth, diseases, and conditions that affect them...

. Didactically, it is known for its emphasis on the relationship between periodontics and prosthodontics. It also has a periodontic/orthodontic program. Its biological research stresses the role of viruses, mainly the herpes virus family, in periodontal disease
Periodontal disease
Periodontitis is a set of inflammatory diseases affecting the periodontium, i.e., the tissues that surround and support the teeth. Periodontitis involves progressive loss of the alveolar bone around the teeth, and if left untreated, can lead to the loosening and subsequent loss of teeth...

. Surgically, it is known for its position against using animal or human cadaver products in bone or soft tissue augmentation due to their potential for contamination of the surgical site.

In 1994, Nowzari challenged membrane guided tissue regeneration through a series of research publications, showing that the membrane is actually a source of infection to the grafted site.

Nowzari is known for his advocacy against early in life periodontal disease (aggressive periodontitis). In an effort to bring international attention to this cause, he made the movie "The Enemy of the Smile: AA - An Ancient Bacterium" which debuts in 2010.

Graduates of Hessam Nowzari have published extensively in the field of dentistry and include Fernando Verdugo, Amir and Alina Aalam, Rafiel M. Rafiee, Kian Kar and Allen Yaghoubzadeh.

Guided Tissue Regeneration

The theory of guiding periodontal healing with the use of a barrier membrane was challenged by Nowzari and Jorgen Slots in a series of articles: Guided bone and tissue regeneration.
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