Hessam Nowzari, DDS, PhD


Dr. Nowzari has been Director of Advanced Periodontics at USC from 1995 to 2012 and a Diplomate of the American Board of Periodontology. He is the founder of the Taipei Academy of Reconstructive Dentistry in Taiwan. Since 2012, he is an active member of a review committee for The National Agency for the Evaluation of Universities and Research Institutes (ANVUR) in Italy.  

He is the guest Editor-in Chief of the Journal de Parodontologie & d'Implantologie Orale in France. His current movie is entitled: “What Killed The Smile of Hatshepsut”, A Woman Who Was A Pharaoh? Won Award of Merit 2012, Short Documentary, from The Accolade Competition that honors outstanding craft and creativity in film, television, and videography.

WEBSITE: https://www.beverlyhillsperioimplant.com/

Wikipedia: https://en.wikipedia.org/wiki/Hessam_Nowzari


The Risk of Prion Infection through Bovine Grafting Materials.

Kim Y, Rodriguez AE, Nowzari H.

Clin Implant Dent Relat Res. 2016 Feb 8. doi: 10.1111/cid.12391.


Prospective, 1-year observational study of double-threaded tapered body dental implants with immediate loading.

Kim TH, Knezevic A, Jorgensen M, Rich S, Nowzari H.

J Prosthet Dent. 2015 Jul;114(1):46-51. doi: 10.1016/j.prosdent.2014.12.016. 

Laser treatment of peri-implantitis: a literature review.

Ashnagar S, Nowzari H, Nokhbatolfoghahaei H, Yaghoub Zadeh B, Chiniforush N, Choukhachi Zadeh N.

J Lasers Med Sci. 2014 Fall;5(4):153-62.


Thickness of labial alveolar bone overlying healthy maxillary and mandibular anterior teeth.

Morad G, Behnia H, Motamedian SR, Shahab S, Gholamin P, Khosraviani K, Nowzari H, Khojasteh A.

J Craniofac Surg. 2014 Nov;25(6):1985-91. doi: 10.1097/SCS.0000000000001022.


• Kim Y, Nowzari H, Rich SK. Has the security of bovine-derived bone grafting materials ever been proven. Journal de Parodontologie et d’Implantologie Orale 2013;32:93-99.


• Nowzari H. Editorial.  Journal de Parodontologie et d’Implantologie Orale 2013;32:5.



• Rich KS & Nowzari H. Trends influencing dental education in the United States: is there a crisis? Journal de Parodontologie et d’Implantologie Orale 2013;32:7-17.


•  Tam Y, Kar K, Nowzari H, Cha HS, Ahn KM. Osteonecrosis of the Jaw after Implant Surgery in Patients Treated with Bisphosphonates - A Presentation of Six  Consecutive Cases. Clin Implant Dent Relat Res. 2013 Feb 27. doi: 10.1111/cid.12048. [Epub ahead of print]



•  Michel JF, Michel MG, Nadan J, Nowzari H. The street children of Manila are affected by early-in-life periodontal infection: description of a treatment modality: sea salt. Refuat Hapeh Vehashinayim. 2013 Jan;30(1):6-13, 67.


•  Bakhshalian N, Sim YC, , Cha HS, Ahn KM. Accidental Migration of a Dental Implant into the Ethmoid Sinus following a Transalveolar Sinus Elevation Procedure. . 2013 Jun 13. doi: 10.1111/cid.12099


•  Nowzari H. Can our ancient collaborations in science be revived? Huffington Post, July 17, 2013.


•  Kim A, Kar K, Nowzari H, Cha HS, Ahn KM. Immediate free iliac bone graft after nonsegmental mandibular resection and delayed implant placement: a case series. Implant Dent. 2013 Oct;22(5):438-43. doi: 10.1097/ID.0b013e31829f1ed0.


 • Paknejad M, Baghaban Eslaminejad M, Ghaedi B, Rokn A, Khorsand A, Etemad-Moghadam S, Alaeddini M, Dehghan M, Moslemi N, Nowzari H. Isolation and assessment of mesenchymal stem cells derived from bone marrow: histologic and histomorphometric study in a canine periodontal defect. J Oral Implantol. 2014 Jan 2. [Epub ahead of print]


•  Nowzari H, Kim Y, Rich SK. Response to Letter to the Editor: Are Bovine-Derived Bone Graft Materials Safe? Clin Implant Dent Relat Res. 2014 Jul 17. doi: 10.1111/cid.12242


• Nowzari H. Iran and Israel: A Scientific Collaboration. Huffington Post. 11/02/2012.

• Cha HS, Kim A, Nowzari H, Chang HS, Ahn KM. Simultaneous Sinus Lift and Implant Installation: Prospective Study of Consecutive Two Hundred Seventeen Sinus Lift and Four Hundred Sixty-Two Implants. Clin Implant Dent Relat Res. 2012 Nov 15. doi: 10.1111/cid.12012.

• Bassir SH, Moslemi N, Jamali R, Mashmouly S, Fekrazad R, Chiniforush N, Shamshiri AR, Nowzari H. Photoactivated disinfection using light-emitting diode as an adjunct in the management of chronic periodontitis: a pilot double-blind split-mouth randomized clinical trial. J Clin Periodontol 2012;doi:10.1111/jcpe.12024

• Cascione D, Nowzari H, Reshad M. Esthetic transformation of a failed implant reconstruction to fixed-supported prosthesis: a case report. J Calif Dent Assoc. 2012 Jun;40(6):483-7.

• Kim A, Kar K, Nowzari H, Ahn KM, Cha H. Subapical osteotomy to correct dental implant malpositioning  and vertical ridge deficiency. A clinical report. J Prosthet Dent. 2012 Oct;08(4):204-8. doi: 10.1016/S0022-3913(12)00135-7.

• Frydman A, Nowzari H. Down syndrome-associated periodontitis: a critical review of the literature. Compend Contin Educ Dent. 2012 May;33:356-61.

• Kim Y, Nowzari H, Rich SK. Risk of prion disease transmission through bovine-derived bone substitutes: A systematic review. Clin Implant Dent Relat Res. 2012

• Ghassemian M, Nowzari H, Lajolo C, Verdugo F, Pirronti T, D’Addona A. Thickness of Facial Alveolar Bone Overlying Healthy Maxillary Anterior Teeth. J Periodontal. 2012;83:187-197.

• Verdugo F, Frydman A, Castillo A, Ponton J, Nowzari H. Long-term only graft volume maintenance in aggressive periodontitis patients. Int J Periodontics Restorative Dent. 2011 Sep-Oct;31(5):e71-9.

• Kar K, Simonian K, Nowzari H. Dynamic therapeutic approach for individuals affected with aggressive periodontitis. J Calif Dent Assoc. 2011;39:401-415.

• Daniel R, Nowzari H, Garfunkel AA. Treatment in conjunction with bisphosphonate therapy.

• Nowzari H & Botero JE. Latin America: Native Populations Affected by Early Onset Periodontal Disease. J Cal Dent Ass. 2011;39:383.

• Frydman A & Nowzari H. Down syndrome-associated periodontitis: A critical review of the literature. Compend Contin Educ Dent. 2010 October;31(8).

• Nowzari H, Phamduong S, Botero JE, Villacres MC, Rich SK. The Profile of Inflammatory Cytokines in Gingival Crevicular Fluid around Healthy Osseointegrated Implants. Clin Implant Dent Relat Res. 2010 Jul 17.

• Raffaelli L, Santangelo R, Falchetti P, Galluccio F, Luciani N, Anselmi A, Nowzari H, Verdugo F, Fadda G, D'Addona A. Examination of periodontal pathogens in stenotic valve specimens and in whole blood samples in patients affected by aortic valve stenosis and chronic periodontitis. Int J Immunopathol Pharmacol. 2010 Apr-Jun;23(2):561-6.

• Kim TH, Cascione D, Knezevic A, Nowzari H. Restoration using gingiva-colored ceramic and a ridge lap pontic with circumferential pressure: A clinical report. J Prosthet Dent. 2010 Aug;104(2):71-76.

• Nowzari H, Molayem S, Chiu CH, Rich SK. Cone beam computed tomographic measurement of maxillary central incisors to determine prevalence of facial alveolar bone width > 2 mm. Clin Implant Dent Relat Res. 2010 May

• Verdugo F, Simonian K, D'Addona A, Pontón J, Nowzari H. Human bone repair after mandibular symphysis block harvesting: a clinical and tomographic study.  J Periodontol. 2010 May;81(5):702-9

• The impact of early-in-life periodontal infection on the smiles of children: A worldwide view. Compend Contin Educ Dent. 2010 March;31(2):154-165

• Nowzari H, SK Rich, N Moslemi. Drug-associated gingival enlargement in pediatric patients. TUMC Journal of Dental Medicine. 2009;2:225-232

• Tabanella G, Nowzari H, Slots J.  Clinical and Microbiological Determinants of Ailing Dental Implants.  Clin Implant Dent Relat Res. 2009;11:24-36.

• Verdugo F, Simonian K, Nowzari H.  Periodontal biotype influence on the volume maintenance of onlay grafts.  J Periodontol 2009 May;80(5):816-23.

• Verdugo F, Simonian K, Smith McDonald R, Nowzari H. quantification of mandibular ramus volume as a source of bone grafting. Clin Implant Dent Relat Res. 2009.

• Verdugo F, Simonian K, Smith McDonald R, Nowzari H. quantification of mandibular symphysis volume as a source of bone grafting. Clin Implant Dent Relat Res. 2009.

• Nowzari H, Yorita FK, Chang HC.  Periodontally accelerated osteogenic orthodontics combined with autogenous bone grafting. Compend Contin Educ Dent. 2008 May;29(4):200-6; quiz 207, 218

• Updike SX & Nowzari h.  Fractal analysis of dental radiographs to detect periodontitis-induced trabecular changes.  J Periodontal Res. 2008 Jun 25.

• Nowzari H & Rich SK.  L’hyperplasie gingivale chez les jeunes patients.  Information Dentaire. 2008:90;1-6.

• Palacci P, Nowzari H.  Soft tissue enhancement around dental implants.  Periodontology 2000. 2008:47;113-132

• Nowzari H & Rich SK.  The impact of systemic-disease associated gingival enlargement on pediatric patients.  Compend Contin Educ Dent. 2008 Jan-Feb;29(1):22-30.

• Nowzari H, Botero JE, Degiacomo M, Villacres MC, Rich SK.  Microbiology and Cytokine Levels Around Healthy Dental Implants and Teeth.  Clin Implant Dent Relat Res. 2008;10:166-173.

• Nowzari H, Yi K, Chee W, Rich SK.  Immunology, Microbiology, and Virology Following Placement of NobelPerfecttrade mark Scalloped Dental Implants: Analysis of a Case Series.  Clin Implant Dent Relat Res. 2008;10:157-165.

• Nowzari H, Aalam AA.  Mandibular cortical bone graft part 2: surgical technique, applications, and morbidity.  Compend Contin Educ Dent. 2007 May;28(5):274-280

• Aalam AA, Nowzari H.  Mandibular cortical bone grafts part 1: anatomy, healing process, and influencing factors.  Compend Contin Educ Dent. 2007 Apr;28(4):206-12.

• Nowzari H.  Response to the commentary (Editorial).  Clinical Implant Dentistry and Related Research. 2006;8:59.

• Nowzari H, Chee W, Yi K, Pak M, Woun Ho C, Rich S.  Scalloped dental implants: A retrospective analysis of radiographic and clinical outcomes of 17 NobelPerfect implants in 6 patients.  Clinical Implant Dentistry and Related Research. 2006;8:1-10.

• Tabanella G, Nowzari H.  Cytomegalovirus-associated periodontitis and guillain-barre syndrome. J Periodontol. 2005 Dec;76(12):2306-11.

• Aalam AA, Nowzari H.  Clinical evaluation of dental implants with surfaces roughened by anodic oxidation, dual acid-etched implants, and machined implants.  Int J Oral Maxillofac Implants. 2005;20(5):793-8.

• Aalam AA, Reshad M, Chee WW, Nowzari H.  Surgical template stabilization with transitional implants in the treatment of the edentulous mandible: a technical note.  Int J Oral Maxillofac Implants. 2005 May-Jun;20(3):462-5.

• Aalam AA, Nowzari H, Krivitsky A.  Functional restoration of implants on the day of surgical placement in the fully edentulous mandible: A case series.  Clinical Implant Dentistry and Related Research, 2005,Vol 7, 10-16.

• Slots J, Nowzari H, Sabeti.  Cytomegalovirus infection in symptomatic periapical pathosis.  Int Endod J. 2004 Aug; 37(8):519-24.

• Nowzari H.  Editorial: Rendre le traitement plus efficace, tel est notre engagement!  Implantologie Page 3, May 2004.

• Nowzari H, Tuan A. Ramus Graft.  Taipei Dentist Association Magazine, 2003, Page 29-36.

•Nowzari H. Jorgensen M, Aswad S, Khan N, Human cytomegalovirus-associated periodontitis in renal transplant patients.  Transplantation Proceedings 35, 2949-2952 (2003).

• Sabeti M, Simon JH, Nowzari H, Slots J.  Cytomegalovirus and Epstein-Barr virus active infection in periapical lesions of teeth with intact crowns.  J Endod. 2003 May;29(5):321-3.

• D'Addona A, Nowzari H, Scrascia A, Quaranta A.  Ricostruzioni delle creste alveolari.  Trapianti di osso autologo.  Dental Cadmos 2003:71(3):89-100.

• Sabeti M, Valles Y, Nowzari H, Simon JH, Kermani-Arab V, Slots J.  Cytomegalovirus and Epstein Barr virus DNA transcription in endodontic symptomatic lesions.  Oral Microbiol Immunol 2003:18:104-108.

• Nowzari H, Aswad S, Khan N, Jorgensen M, Osorio E, Safarian A, Munroe S.  Periodontal and salivary detection of active cytomegalovirus infection in renal transplant patients.  J Periodontol 2002;73:1091-1092.

• Daneshmand N, Jorgensen MG, Nowzari H, Morrison JL, Slots J. Initial effect of controlled release chlorhexidine on subgingival microorganisms.  J Periodont Res 2002;37:1-5

• Nowzari H, Sedarat C.  Les Greffes autogènes intramembraneuses dans la reconstruction esthétic de l’atrophie alvéolaire.  J Implantodontie 2002, 13-23.

• Nowzari H, Jorgensen MG, Ta TT, Contreras A, Slots J.  Aggressive periodontitis associated with Fanconi's anemia. A case report.  J Periodontol. 2001 Nov;72(11):1601-6.

• Sedarat C, Harmand MF, Naji A, Nowzari H.  In vitro kinetic evaluation of titanium alloy biodegradation.  J Periodontal Res. 2001 Oct;36(5):269-74.

• Schincaglia GP, Nowzari H.  Surgical treatment planning for the single-unit implant in aesthetic areas.  Periodontol 2000. 2001;27:162-82.

• D’Addona A, Nowzari H.  Intramembranous autogenous osseous transplants in aesthetic treatment of alveolar atrophy.  Periodontol 2000. 2001;27:148-61.

• Jorgensen MG, Nowzari H.  Aesthetic crown lengthening.  Periodontol 2000. 2001;27:45-58.

• Nowzari H.  Aesthetic osseous surgery in the treatment of periodontitis.  Periodontol 2000. 2001;27:8-28.

• Nowzari H.  Esthetic implant dentistry.  Compend Contin Educ Dent 2001;  Aug;22(8):643-655.

• Tuan M, Nowzari H, Slots J.  Clinical and microbiological study of periodontal surgery by means of apically positioned flaps with and without osseous recontouring.  Int J Periodont Rest Dent 2000. 20(5):469-475.

• Sedarat C, Harmand MF, Naji PhD N. Nowzari H.  In vitro kinetic evaluation of titanium alloy biodegradation.  J Periont Res 2001;36:269-274.

• Mardirossian A, Contreras A, Navazesh M, Nowzari H, Slots J.  Herpesviruses 6, 7 and 8 in HIV-and non HIV-associated periodontitis.  J Periodont Res 2000. 35:278-284.

• Contreas A, Nowzari H, Slots J.  Herpesvirus en muestras de bolsas periodontales y tejido gingival.  Acta Dent Int  2000.  1(3):147-152.

• Hanookai D, Nowzari H, Contreras A, Morrison JL, Slots J.  Herpesviruses and periodontopathic bacteria in trisomy 21 periodontitis.  Journal of Periodontology. 2000: 71; 376-384.

• Nowzari H, Sedarat C.  Thérapeutiques esthétiques en parodontologie et implantologie.  J Implantodontie.  2000: 36-51.


• Contreras A, Nowzari H, Slots J.  Herpesvirus in periodontal pocket and gingival tissue specimens.  Oral Microbial Immunol.  2000;  15: 15-18.

• Contreras A, Zadeh H, Nowzari H, Slots J. Herpesvirus infection of inflammatory cells in human periodontitis.  Oral Microbiology Immunology.  1999; 14:206-212.

• Zarkesh N, Nowzari H, Morrison JL, Slots J. Tetracycline-coated polytetrafluoroethylene barrier membranes in the treatment of introosseous periodontal lesions.  Journal of Periodontology.  1990; 70:1008-1016.

• Slots J, Smith MacDonald E, Nowzari H. Infectious aspects of periodontal regeneration.  Periodontology 2000.  1999; 19:164-172.

• Michaelides PL, Nowzari H. L’emploi du microscope en dentisterie.  Information Denataire.  1998; 40:3142-3146.

• Nowzari H, Chee W, Tuan A, Abou-Ross M, Landesman H.  Clinical and microbiological evaluation of Sargon immediate load dental implant.  The Compendium of Continuing Education in Dentistry.  1998.

• Smith MacDonald E, Nowzari H, Contreras A, Flynn J, Morrison JL, Slots J. Clinical and microbiological evaluation of a bioabsorbable and a nonresorbable barrier membrane in the treatment of periodontal intraosseous lesions.  Journal of Periodontology.  1998; 19:463-476.

• Russo P, Nowzari H, Slots J.  Transmission and persistence of Actinobacillus actinomycetemcomitans in twins with advanced periodontitis.  Journal of the California Dental Association.  1998; 26:290-294.

• Chee W, Nowzari H, Kanouka L.  Esthetic replacement of the anterior tooth with an implant-supported restoration. Journal of the California Dental Association.  1997; 25:86-865.

• Michaelides P, Nowzari H.  Periodontal microscopic surgery.  Information Dentaire.  1997; 30:2215-2230.

• Tuan, A, Nowzari H.  Alveolar ridge augmentation using chin graft.  Technical report.  Taipei Dental Journal.  1997; 16:18-21.

• Nowzari H, Schincaglia GP, Slots J.  Rigenerazione guidata dei tessuti.  Ruolo dell’infezione batterica.  Dental Cadmos.  1997; 4:42-59.

• Mattout P, Nowzari H, Mattout C.  Five-year histological and clinical results of guided tissue regeneration combined with decalcified freeze-dried bone allograft.  Journal de parodontologie & d’implantologie orale.  1997; 16:165-176.

• Russo P, Nowzari H, Slots J.  parodontite de l’adulte: transmission et persistence d’Actinobacillus actinomycetemcomitans chez des jumeaux.  Information Dentaire.  1996; 3:2235-2239.

• Mattout P, Nowzari H, Mattout C.  Post-surgical complications of guided bone regeneration around endosseous dental implants.  Journal de Parodontologie & d’Implantologie Orale.  1996; 15:185-197.

• Nowzari H, Smith MacDonald E, Flynn, J, London RM, Morrison JL, Slots J.  The dynamics of microbial colonization of barrier membranes in guided periodontal tissue regeneration.  Journal of Periodontology.  1996 ;67:694-702.

• Mattout P, Nowzari H, Mattout C.  Clinical evaluation of guided bone regeneration at exposed parts of Brånemark dental implants with and without allograft.  Clincial Oral Implant Research.  1995; 6:189-195.

• Nowzari H, London RM, Slots J.  The importance of periodontal pathogens in guided periodontal tissue regeneration and guided bone regeneration.  The Compendium of Continuing Education in Dentistry.  1995;16:1042-1058.

• Nowzari H, Matian F, Slot J.  Periodontal pathogens on polytetrafluoroethylene membrane for guided tissue regeneration inhibit healing.  Journal of Clinical Periodontology.  1995;22:469-474.

• Nowzari H.  Germes pathogens et échec des thérapeutiques régénératrices. Information Dentaire.  1995;77:2087-2090.

• Nowzari H, Slots J. Microbiological and clinical study of polytetrafluoroethylene membrane for guided bone regeneration around implants.  International Journal of Oral Maxillofacial Implants 1995; 10:67-73.

•  Nowzari H, Slots J.  Microorganisms in polytetrafluoroethylene barrier membranes for guided tissue regeneration.  Journal of Clinical Periodontology 1994; 21:203-210.

•  Jolkovsky D, Newman MG, Nachnani S, Waki M, Madisson M, Nowzari H.  Clinical and microbiological effects of subgingival and gingival marginal irrigation with chlorhexidine gluconate.  Journal of Periodontology 1990; 61:663-669.

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