The temporomandibular joint
connects the lower jaw
(the mandible) to the temporal
bone at the side of the head.

Sleep Apnea & Snoring Therapy Obstructive Sleep Apnea
(OSA) is a common chronic disorder of sleep and breathing that may present.


Joseph R. Cohen, DDSJoseph R. Cohen, DDS

Temporamandibular Disorders and Orofacial Pain
Joseph R. Cohen, DDS is founder of Southwest Pain Management Associates. He manages our Orofacial Pain Program. His practice focuses on orofacial pain including atypical tooth pain and headaches, trigeminal neuralgia, temporomandibular joint disorders as well as oral appliance treatment of sleep apnea. Dr. Cohen is board certified by the American Board of Orofacial Pain, one of only five in Central Arizona and is past president of that board. He is a member of many professional organizations including the American Dental Association, American Association for the Study of Headaches, American Pain Society, and is past president of the American Academy of Orofacial Pain. He is currently an Adjunct Assistant Professor at the Orofacial Pain Center at UCLA. He is also responsible for TMD and Orofacial Pain Education at Arizona School for Dental and Oral Health, a clinical instructor at Midwestern University, College of Osteopathy, Arizona Campus and is one of eight national consultants for the American Dental Association, Commission on Dental Accreditation assigned as a site reviewer to recommend which TMD/Orofacial Pain Graduate Programs qualify to be accredited by the Commission on Dental Accrediation (A Federal Agency). Dr. Cohen is a graduate of the University of Arizona and the University of Tennessee Dental School and has been in private practice in Phoenix since 1971. He has authored many articles and has lectured on Craniomandibular Disorders and Orofacial Pain all over the world. Dr. Cohen is frequently asked to consult by the Doctors at Mayo clinic regarding treatment of TMD and Orofacial Pain.

Shanna K Kim, DDSShanna K Kim, DDS

Dr. Kim is a recent graduate of a two year graduate program in Orofacial Pain and Dental Sleep Medicine at the University of California, Los Angeles (UCLA).  There she served as chief resident and research coordinator for an approved clinical trial regarding the use of Botox and Lidocaine in the treatment of myofascial pain disorders.  She will also be returning as a lecturer and clinical instructor for the Department.  Dr. Kim is a graduate of the UCLA School of Dentistry during which she was awarded the Regent's Scholar Scholarship and the American Academy of Craniofacial Pain Outstanding Student Award.  She completed her undergraduate degree, cum laude and Phi Beta Kappa at UCLA and was the co-founder and coordinator of the UCLA/Common Ground Dental Clinic, a volunteer organization that provides dental care to homeless, HIV-infected youth.  During this time she also did extensive research in the field of nuclear medicine/molecular and medical pharmacology; she has authored many articles and lectured at the annual Society of Nuclear Medicine Meetings, one of which she was awarded top abstract in the field of Neuroscience (2000).  Dr Kim is a Diplomate if the American Board of Orofacial Pain and is currently a member of the Central Arizona Dental Society, Arizona Dental Association and the American Dental Association. 



Seena Patel DMD,MPH. 

Dr. Patel recently completed her residency in Orofacial Pain and Oral Medicine from the University of Southern California. She obtained her DMD and MPH degrees from the Arizona School of Dentistry and Oral Health at A.T. Still University in 2010. She now serves as adjunct faculty there. Dr. Patel is a Diplomate of the American Board of Orofacial Pain and is board eligible for the American Board of Oral Medicine. During her educational training, she authored several publications and award-winning scientific posters, particularly on the topic of bisphosphonate-related osteonecrosis of the jaw (BRONJ). In addition, she has spent a significant amount of her post-graduate training in providing dental care for patients with special needs and complex medical conditions. During this time, she expanded her knowledge in advanced anesthesia involving conscious sedation. In her dental school days, she was actively involved in ASDA (American Student Dental Association), research activities, and the promotion of oral health education in the curriculum of other health specialties (such as the medical school and physician assistant program). She was presented with the Excellence in Oral Biology award upon graduation. Prior to dental school, Dr. Patel completed her undergraduate degree cum laude at the University of Arizona. She also maintains her membership in the Central Arizona Dental Society, Arizona Dental Association, the American Dental Association, and the Arizona Pain Society.


Dr. Barry Graham D.D.S.

Temporomandibular Disorders, Orofacial Pain and Sleep Apnea

Dr. Graham has been interested in the study, diagnosis and treatment of Temporomandibular, Caniomandibular and Orofacial disorders ever since he was in high school listening to his father prepare lectures on these same topics.He even wrote his thesis in dental school on this subject. Fifty years later, Dr. Graham is limiting his practice to these special interests. He now also helps improve the quality and potentially the longevity of peoples lives using comfortable intra oral appliances that treat Snoring and Obstructive Sleep Apnea --- A few of Dr. Graham’s academic achievements include: Diplomate, American Board of Orofacial Pain; Fellow, American Academy of Orofacial Pain; Associate Fellow, American Academy of Implant Dentistry; Master, Academy of General Dentistry; Certificate, Advanced Program in Diagnosis and Management of Orofacial Pain and Temporomandibular Disorders from the Univ. of Medicine and Dentistry of N.J. --- Dr. Graham graduated from the University of Maryland School of Dentistry (Baltimore College of Dental Surgery) in 1973. He then joined his father’s private practice in general dentistry in Baltimore, Maryland. He also worked part time as an Assistant Professor in the clinics at the dental school. In addition he volunteered his services both as a lecturer discussing Temporomandibular Disorders and Chronic Pain in the Graduate Program at the dental school and as an Attending on the Medical Staff of Sinai Hospital of Baltimore for the Dental Residents. Furthermore he lectured to lay groups and dental organizations and functioned as an expert witness and a consultant --- Dr. Graham is a member of several professional organizations including the American Dental Association, Academy of General Dentistry, American Headache Society, Arizona Sleep Society, Arizona Craniomandibular Group, American Academy of Orofacial Pain, and the American Equilibration Society --- After being lured by the Arizona climate, Dr. Graham arranged to sell his practice in Baltimore and moved to Arizona in 2008 with his wife Roslyn --- Dr. Graham believes in life long learning and sharing his knowledge with others; therefore, he and our staff take the time to educate our patients concerning their conditions. Dr. Graham has found that informed patients are more likely to participate as co therapists in their own treatment resulting in faster, more complete and longer lasting outcomes.

Ivy SegalJoseph D. Matthews, DDS, MS, MSc

Dr. Matthews moved to the Phoenix area in June 2014 after 15 years practicing general dentistry and orofacial pain in Los Alamos, New Mexico.  He completed one year of advanced clinical training in orofacial pain and Dental Sleep Medicine at the University of California, Los Angeles (UCLA).  He is a Diplomate of the American Board of Orofacial Pain.  He continues to lecture at the UCLA Dental School and is adjunct Faculty at the University of New Mexico School of Medicine.  Dr. Matthews is a graduate of the University of Missouri at Kansas City School of Dentistry.  Before dental school he completed a bachelor’s degree in life sciences and a master’s degree in human nutrition at Kansas State University.  In addition, Dr. Matthews holds a master’s of science degree from the University of Oxford, England in evidence-based health care.  His research background and former positions as district peer review chairman and president of the New Mexico Dental Association are punctuated by numerous publications and appearances as lecturer at national and international meetings.  He is a member of The American Academy of Orofacial Pain, The American Headache Society, The American Dental Association (ADA), The American Dental Educators Association, and The International Association for Dental Research.  He is also a consultant to the ADA Council on Scientific Affairs and the ADA Center for Evidence-based Dentistry, among others.


Ivy SegalIvy Segal

Office Manager
Ivy has worked with Dr. Cohen and Southwest Pain Management since 1986. She is married with two children and two grandchildren. Ivy received her undergraduate degree at Long Island University in Brooklyn, New York and her Masters in Reading from Central State University in Edmond, Oklahoma. She was an elementary teacher before switching professions to the medical/dental field in 1981. Ivy also received her MBA in Health Care Management from the University of Phoenix in 2001.