Our Doctors: James B. Holton, DDS, MSD; Mak Saigusa, DMD, MD, FACS; Jayson Terres, DDS, MD, FACS, FAACS; Kourt Chatelain, DMD
Dr. James Holton

James B. Holton, DDS, MSD

In 1971, Dr. James Holton moved to Tyler to establish what would become one of the preeminent Oral and Facial Surgery practices in the region. Throughout his career, he has consistently pushed the boundaries of his profession through advancements in surgical techniques. His skill and dedication have earned him the respect and admiration of generations of patients and their families.

Dr. Holton's special interests include facial reconstructive surgery required by traumatic injuries and congenital/developmental deformities. He is known for his expertise in cranial base access surgery, working with neurosurgeons to access difficult-to-reach brain and spinal lesions. He also focuses on corrective jaw surgery and dental implants.

A native Texan, Dr. Holton began his training at the University of Texas and Southern Methodist University. He received his D.D.S. from Baylor College of Dentistry and his M.S.D. in Oral and Maxillofacial Surgery from Baylor Medical Center. Upon completing post-graduate training, he moved to Tyler to establish his oral and maxillofacial surgery practice.

Dr. Mak Saigusa

Mak Saigusa, DMD, MD, FACS

Mak Saigusa brings a unique level of expertise to the practice of oral and maxillofacial surgery in East Texas. Experienced in all areas of oral and facial surgery, Dr. Saigusa is particularly interested in facial reconstruction due to traumatic injuries and congenital/developmental deformities. He is currently one of the few physicians in the area who perfoms nasal cosmetic surgery (known as "rhinoplasty.") He also focuses on the surgical treatment of TMJ conditions and dental implants.

Born in Tokyo, Japan, Dr. Saigusa came to the United States while still a teenager, finishing his senior year of high school as an exchange student in the small farming community of Markesan, Wisconsin. He received his Bachelor of Science degree from Samford University in Birmingham , Alabama, and earned a D.M.D. from the University of Alabama School of Dentistry. In 1991, he moved to Texas to attend medical school at the University of Texas Health Science Center in San Antonio.

After receiving his M.D. and completing his residency in Oral and Maxillofacial Surgery, he moved to Tyler in 1997 to join the practice of Dr. James Holton.

Dr.Saigusa resides in Tyler with his wife, Jill, and two sons. He is involved in a number of charitable causes including Texas Missions of Mercy, which each year provides free medical and dental services to thousands of East Texans. He regularly travels to Central America with Tejas Missions, an organization offering volunteer treatment to underdeveloped regions. He also serves as Clinical Associate Professor for the UT Health Science Center in San Antonio.

Dr. Jayson Terres

Jayson Terres, DDS, MD, FACS, FAACS

Dr. Jayson Terres joined Tyler Oral and Facial Surgery in the summer of 2005. He was particularly drawn to the Tyler area and the practice because of the extensive medical community and the progressive treatments it offers. Dr. Terres brings another level of expertise to the Tyler Oral and Facial Surgery team, led by Drs. James Holton and Mak Saigusa. Trained in all aspects of facial surgery, his interests lie particularly in facial cosmetic and reconstructive surgery as well as facial trauma surgery. Because of the scope of his knowledge and his extensive oral surgery and medical training, Dr. Terres also performs a full spectrum of facial rejuvenation procedures thru surgical techniques including, endoscopic brow and forehead lifts, eyelid surgery, facelift, chin augmentation, liposuction, and also through non-surgical procedures such as Restylane, Botox, chemical peels and skin care.

A native of Michigan, he attended The University of Michigan in Ann Arbor where he received a Bachelor of Science degree in Neurobiology. Following his undergraduate degree, he attended Columbia University College of Physicians and Surgeons, School of Dental and Oral Surgery, in New York City and earned a D.D.S. After his dental surgery training, he moved to San Antonio, Texas where he earned his M.D., at the University of Texas Health Science Center, San Antonio. Following this, he completed an internship in General Surgery and then a six-year residency program in Oral and Maxillofacial Surgery.

Dr. Terres serves as a Clinical Associate Professor for the UT Health Science Center in San Antonio as well as a resident advisor for the United States Military Army residency programs. He has lectured at the national level for Cranial Reconstruction and continues to seek the latest and most patient-friendly surgical technologies, advancements and procedures.

Beyond the operating room, Dr. Terres values time with his wife Veronica and his son, Jayden. Part of the philosophy that drives Dr. Terres’ success behind being a family man and a surgeon is maintaining a sense of humility and understanding that both take an exorbitant amount of hard work, dedication, responsibility and empathy. He finds his involvement with Tejas Missions, a ministry providing volunteer medical and dental treatment to underdeveloped regions within Central America very rewarding and humbling. He deems it a responsibility, as a physician to help people in need, especially when an opportunity presents itself to offer surgical services for complex reconstructive cases.

Dr. Kourt Chatelain

Kourt Chatelain, DMD

Dr. Kourt Chatelain is from Ogden, Utah. He graduated from Weber State University with a Bachelor of Integrated Sciences. He then entered The University Nevada Las Vegas where he received doctorate training and graduated with honors as a Doctor of Dental Medicine in 2009. Upon completion of education at UNLV, Dr. Chatelain completed his training in oral and maxillofacial surgery at Loma Linda University. Dr. Chatelain is trained in multiple surgical and medical disciplines, but his specialty is all facets of Oral and Maxillofacial Surgery, including Craniofacial Surgery, Facial Reconstructive Surgery, Temporomandibular Joint Arthroscopic/Laser Surgery, Distraction Osteogenesis, Orthognathic Surgery, Sleep Apnea Surgery and Implant Surgery.

Dr. Chatelain also enjoys serving others in humanitarian efforts, volunteering his medical care in underdeveloped countries including Bangladesh, Zambia, and Peru. Dr. Chatelain is well-trained in full-scope Oral and Maxillofacial Surgery with an increased interest and experience in advanced reconstructive bone grafting, dental implants, Orthognathic Surgery, trauma and wisdom teeth removal.

Outside the office, Dr. Chatelain enjoys spending time with his wife Jamie and their four children. He also enjoys classic car restoration, canyoneering, and water activities.

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