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Welcome to Tri-Town Modern Dental
Welcome to Tri-Town Modern Dental
Call (570) 546-3419
42 S. Main Street
Muncy, PA 17756
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Tri-Town Modern Dental
Tri-Town Modern Dental

Tri-Town Modern Dental
Your Muncy, PA Dentist


Call To Schedule An Appointment
Home About Us Our Team

Our Team


Diane Keller, B.Ed

DianeKeller Diane, a lifelong resident of Muncy, has been an essential part of the Tri Town Modern Dental team since 2005, formerly Bennardi, Barberio & Bennardi. She brings over 26 years of experience in the dental field and is often the first friendly face patients see when they arrive. Whether helping with scheduling or navigating insurance questions, Diane is committed to making every patient’s visit smooth and stress-free.

Diane earned a bachelor’s degree in Elementary Education with an emphasis in Early Childhood Education from Mansfield University, reflecting her strong commitment to learning and care.

Outside the office, Diane enjoys life with her husband, Alan of more than 27 years, as well as spending time with her family and close friends. She loves reading, hiking, gardening, and taking long walks with her dog, always embracing the peace and beauty of the outdoors. Her deep connection to the Muncy community is something she truly values and carries into everything she does.

Jordan Mantle , Dental Assistant

JordanMantle Jordan Mantle brings over four years of experience in dental assisting, with a strong commitment to patient care and clinical excellence. For the past two years, Jordan has been a valued member of the Tri-Town Modern Dental team, where her professionalism and friendly demeanor help create a welcoming environment for every patient. In addition to her clinical expertise, Jordan proudly holds the unofficial title of “Office DJ,” keeping the team energized and patients at ease with her great taste in music.

Jordan recently graduated from an Expanded Function Dental Assistant (EFDA) program in January 2025, further enhancing her skills and broadening the scope of care she can provide.

Outside of the office, Jordan enjoys kayaking, camping, and spending quality time with her family.

Shelly Poust-Kiess, RDH, EFDA, PHDHP, RN

ShellyPoustKiess Shelly has been a valued member of our Tri-Town Modern Dental team, formerly Bennardi, Barberio & Bennardi, since 2014. She earned her associate degree in Dental Hygiene in 2003 and a Bachelor of Science degree in 2006 from Pennsylvania College of Technology. In 2024, she further expanded her healthcare expertise by completing a Bachelor of Science in Nursing (BSN) from Misericordia University.

With a unique blend of clinical and administrative experience, Shelly is truly our “jack of all trades.” She assists the doctor with patient care, fills in for hygiene as needed, supports the front desk, and handles complex insurance matters. Her adaptability and dedication make her an essential part of ensuring a seamless experience for both patients and staff.

Shelly has lived in the area for most of her life. Shelly and her husband, Shane, are proud parents of two very active children, Logan and Madison. Between baseball games and dance classes, Shelly stays constantly on the go and wouldn’t have it any other way. In her downtime, she enjoys spending quality time with her family and friends.

Alycia Downey, RDH, BSHA

AylciaDowney Alycia has been a valued member of our Tri-Town Modern Dental team, formerly Bennardi, Barberio & Bennardi since 2017. A proud local, she graduated from Pennsylvania College of Technology’s Dental Hygiene program in 2010 with an associate degree and further advanced her education by earning a Bachelor of Science degree in 2014. Her strong academic background combined with hands-on experience allows her to provide excellent preventive dental care and patient education.

Committed to fostering healthy smiles, Alycia takes pride in building lasting relationships with her patients. Her thorough approach and compassionate nature help ensure that every visit is as comfortable and effective as possible.

Alycia and her husband reside just outside Muncy in a home they built together on land that once belonged to her family’s farm, a testament to her deep roots in the community. They are proud parents to two energetic children who keep their lives full and exciting. Outside of the office, Alycia enjoys crafting, camping, relaxing, and spending quality time with family and friends. Whether she’s creating something new, unwinding at home, or enjoying gatherings with loved ones, Alycia values balance and cherishes the moments that make life meaningful.

Sara Spring, Dental Assistant

SaraSpring Sara has been part of our team since 2018, starting back when we were known as Bennardi, Barberio & Bennardi, and continuing through our transition to Tri-Town Modern Dental. She has become a trusted and friendly face to our patients. She enjoys the hands-on nature of dental assisting and takes pride in helping patients feel comfortable and confident during their visits. Sara also works with advanced dental technologies, including 3D printing and CEREC same-day crown design. She especially enjoys assisting with surgical cases and is a certified phlebotomist.

A lifelong resident of Lycoming County, Sara grew up on her family’s dairy farm. She graduated from Hughesville High School and went on to earn an associate degree in Business/Web Design from Pennsylvania College of Technology.

At home, Sara stays just as busy. She and her husband Levi run their own business, Levi Spring Auctioneering, and are raising their young son on land that’s been in Levi’s family for generations. Together, they raise chickens and turkeys and enjoy the simple pleasure of gathering fresh eggs each morning. When she’s not at the office or helping with the business, Sara is usually volunteering at one of her son’s many activities.

Allison Crawley, RDH, PHDHP

AllisonCrawley Allison (Ali) joined the Tri-Town Modern Dental team, formerly Bennardi, Barberio & Bennardi in January 2021 and has quickly become a valued member of the practice. She is a 2005 graduate of Pennsylvania College of Technology, where she earned her associate degree in Dental Hygiene. With nearly two decades of clinical experience, Ali brings both skill and compassion to her work, making her a trusted provider among patients and colleagues alike.

She is known for her gentle chairside manner, strong work ethic, and ability to help patients feel at ease. Whether she’s educating patients on oral health or delivering high-quality preventive care, Ali is committed to supporting lifelong dental wellness.

Ali and her husband, Seth, live in Muncy and are blessed with four active children. Their family life is filled with sports, outdoor adventures and traveling. Ali enjoys spending time outdoors with her family and taking in the simple joys of everyday life.
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Tri-Town Modern Dental, 42 S. Main Street, Muncy, PA 17756-1307 • (570) 546-3419 • tritownmoderndental.com • 7/15/2025 • Page Keywords: dentist Muncy PA •