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Branch Endodontics | Doctors in Smithtown

Branch Endodontics
Shawn Pobiner, DMD
Todd Pobiner, DMD
Geraldine Navarrete, DMD
Mark Lentz, DMD
Business Hours
Monday:9AM - 4PM
Tuesday:9AM - 7PM
Wednesday:9AM - 4PM
Thursday:9AM - 4PM
Friday:9AM - 4PM
180 East Main St. Suite 304
Smithtown, NY 11787 
Phone: 631-724-3390
Fax: 631-724-3391
Email: [email protected]



Shawn G. Pobiner, DMD


Dr. Shawn Pobiner grew up in Commack, N.Y. where he attended Commack High School.  He then went on to attend The Pennsylvania State University from which he graduated in 1995 with a Bachelor of Science degree.  Dr. Pobiner completed the beginning of his dental training from the University of Pittsburgh and a one-year Advanced Education in General Dentistry from Stony Brook University.  It was at this point in his life he realized he wanted to follow in his father’s footsteps, Dr. Jeffrey Pobiner, and specialize in the field of Endodontics.  After two years of Post Graduate Endodontic training at Stony Brook University, Dr. Pobiner joined his father in his private practice in July of 2003. Dr. Pobiner now shares time between his two private practices in Wantagh and Smithtown.  Dr. Pobiner also proudly works with his brother Todd. 

Dr. Shawn Pobiner takes great pleasure being a 4th generation dentist. He proudly displays the diplomas of his relatives (father, grandfather, and great-grandfather) dating back to 1915.  Dr. Pobiner has been handed down a vast knowledge of dentistry and it greatly shows. He greatly enjoys helping people with tooth pain and complex dental issues.

Dr. Pobiner’s endearment and affection of endodontics and of people can be seen every day. Dr. Pobiner is a member of the American Association of Endodontists (AAE), the NYS Dental Association (NYSDA), and both Nassau and Suffolk Dental Societies.  He also stays current in all aspects of dentistry by attending annual conferences and study clubs.  Dr. Pobiner has always stressed the importance of staying current in the field on Endodontics.  Dr. Pobiner’s first goal is always to make the patient feel comfortable in the dental environment.  His passion for dentistry is obvious and he shows that through his dedication and patience he exhibits with each and every one of his patients.

In his spare time, he enjoys fishing, the great outdoors, and traveling to relax.

Todd D. Pobiner, DMD 


Dr. Todd Pobiner grew up in Commack, New York, where he graduated in 1996 from Commack High School. He then moved to Pennsylvania, Hawaii, and Florida for the next 8 years to complete his undergraduate college and dental school education. In 2005, he completed an advanced hospital residency at Nassau University Medical Center, after which he attended Stony Brook University to receive his Advanced Education in Endodontics degree. 

Being a 4th generation dentist, he was very excited to join his brother, Dr. Shawn Pobiner in practice in 2007. To some people outside the profession, dentistry may seem dull, but anyone who works in the field will quickly tell you otherwise. Every day presents a new and different challenge. Encountering various personalities, individualized personal circumstances and a multitude of different aspects helps one determine what is best for the patient and makes every day unique and exciting. Dr. Todd Pobiner thrives on that excitement and consistent development as an endodontist.

He makes it a priority to keep abreast of all the latest technology in Endodontics. With that knowledge, he has committed himself to lifelong learning and advanced training.  He continues to attend seminars and educational meetings, being a member of the American Association of Endodontics, New York State Dental Association, and Nassau County Dental Society. 

When he’s not at the office Dr. Todd Pobiner enjoys running, biking, and is devoted to the practice of Bikram yoga. 

Geraldine Navarrete, DMD, MDS


Dr. Geraldine Navarrete graduated from New York University in 2003. She continued her education at Tufts University School of Dental Medicine where she received her degree of Doctor of Dental Medicine. She then continued her training at Long Island Jewish Medical Center where she became chief resident of her division.  She practiced general dentistry for one year in private practice along with providing dentistry to the homebound. She then advanced her education by attending the University of Tennessee Health and Science Center receiving her training in endodontics and her Masters of Dental Science degree.

Dr. Geraldine Navarrete’s training included the use of surgical microscopy, multiple forms of rotary instrumentation, microscopic photography and the use of cone beam computed tomography (CBCT). She is very thorough and determined to provide the highest standard of care. She is compassionate to her patients’ needs and strives to provide only the best dental care. Dr. Geraldine Navarrete is kind and caring and always makes sure her patients are comfortable while receiving treatment.

Dr. Geraldine Navarrete regularly attends continuing education courses to keep up to date with the newest advances in dentistry. She is a member of many associations and study clubs, including the American Association of Endodontics, American Dental Association, NYS Dental Association, and Nassau County Dental Society and Suffolk County Dental Society.

In her free time, she enjoys spending time with her husband, traveling and exploring the outdoors.

Dr. Mark Lentz


Originally from Johnstown, Pennsylvania, Dr. Mark Lentz obtained his dental degree from the University of Pittsburgh School of Dental Medicine. After dental school, he completed a one-year general practice residency at the Pittsburgh VA Healthcare system, which influenced him to pursue specialty training in endodontics. Dr. Lentz then returned to the University of Pittsburgh to complete his specialty training in endodontics. He is a member of the American Association of Endodontists, American Dental Association, New York State Dental Association, and Suffolk County Dental Association.

In his spare time, Dr. Lentz enjoys sports (especially baseball and golf), reading and spending time with family. Dr. Lentz and his wife, a native Long Islander, look forward to raising their family in the area.

Smithtown Endodontist | Doctors. Shawn Pobiner, DMD , Todd Pobiner, DMD and Geraldine Navarrete, DMD is a Smithtown Endodontist.