Team Members

DENTIST: Dr. Roger D. Stine, DDS
A native of Tiffin, Ohio, Dr. Stine completed his undergraduate work at The University of Toledo and received his Doctor of Dental Surgery degree from The Ohio State University ~ College of Dentistry in 1997. Graduating in the top portion of his class at OSU, Dr. Stine became eligible for and accepted a scholarship and residency opportunity with the United States Air Force. He completed his residency at Wright-Patterson Medical Center as a captain in the USAF, and served an additional two years with the Aeromedical-Dental Squadron at Whiteman Air Force base in Kansas City, Missouri. During his residency program, he was afforded the opportunity to practice in each of the specialty areas of dentistry: Periodontics (soft tissue/gums maintenance), Endodontics (root canals), Pediatric Dentistry (treatment for children), Orthodontics (braces/brackets) and Oral Surgery (extractions/wisdom teeth). Dr. Stine is a member of the American Dental Association and has been in private practice since July 2000. He is an avid Buckeye football fan. He and his wife, Denise, reside in Norwalk with their son Zachary, twins – Alexander and Abigail, and dog Bandit.

BUSINESS MANAGER: Denise E. Stine
A native of Tiffin, Ohio, Denise has a Bachelor degree in Business from Tiffin University and a Master of Science in Accounting from The University of Toledo. She is a co-founder of Stine Dental, LLC and has worked on the business side of the office since its inception. Prior to the start of the practice, Denise worked in public accounting as an audit manager for Deloitte & Touche and as the Assistant Corporate Accounting Controller for the Scott’s Company. She enjoys cooking and teaching fitness kickboxing, doing CrossFit and yoga and resides in Norwalk with Dr. Stine, their son Zachary, twins – Alexander and Abigail, and dogs, EinStine and Bandit.
A native of Tiffin, Ohio, Denise has a Bachelor degree in Business from Tiffin University and a Master of Science in Accounting from The University of Toledo. She is a co-founder of Stine Dental, LLC and has worked on the business side of the office since its inception. Prior to the start of the practice, Denise worked in public accounting as an audit manager for Deloitte & Touche and as the Assistant Corporate Accounting Controller for the Scott’s Company. She enjoys cooking and teaching fitness kickboxing, doing CrossFit and yoga and resides in Norwalk with Dr. Stine, their son Zachary, twins – Alexander and Abigail, and dogs, EinStine and Bandit.

HYGIENIST: Jill L. David, R.D.H.
A native of Castalia, Ohio, Jill received her degree in Dental Hygiene from Owens Technical College in 1995. She has been a full-time Hygienist since her graduation. Jill worked with the predecessor dentists at our Milan office and joined Stine Dental, LLC when the business opened on October 1, 2001. In 2007, Jill became licensed in local anesthesia in the state of Ohio. Jill enjoys playing volleyball and camping. She resides with her husband, Jeff, and their children, Zachary, Ethan and Sydnie in Monroeville.
A native of Castalia, Ohio, Jill received her degree in Dental Hygiene from Owens Technical College in 1995. She has been a full-time Hygienist since her graduation. Jill worked with the predecessor dentists at our Milan office and joined Stine Dental, LLC when the business opened on October 1, 2001. In 2007, Jill became licensed in local anesthesia in the state of Ohio. Jill enjoys playing volleyball and camping. She resides with her husband, Jeff, and their children, Zachary, Ethan and Sydnie in Monroeville.

HYGIENIST: Melissa N. Green, R.D.H.
A native of Cincinnati, Ohio, Melissa received her degree in Dental Hygiene from Cincinnati Blue Ash College in 2008. She has been a full-time practicing hygienist since her graduation. Melissa enjoys spending time doing crafts and watching movies with her girls and husband. She resides with her husband, Rich, and their daughters, Laila and Kara, in Norwalk. She is an avid animal lover and has three dogs (Doc, Gunnar and Luna) two cats (Kit Kat and Bella) and a snake named Kane!
A native of Cincinnati, Ohio, Melissa received her degree in Dental Hygiene from Cincinnati Blue Ash College in 2008. She has been a full-time practicing hygienist since her graduation. Melissa enjoys spending time doing crafts and watching movies with her girls and husband. She resides with her husband, Rich, and their daughters, Laila and Kara, in Norwalk. She is an avid animal lover and has three dogs (Doc, Gunnar and Luna) two cats (Kit Kat and Bella) and a snake named Kane!

HYGIENIST: Holli Berki, R.D.H.
A native of North Olmstead, Holli received her degree in Dental Hygiene from Lorain County Community College in 2018. She has been a full-time practicing hygienist since her graduation. Holli resides in Lorain with her husband Tony and daughter, Norah, and son, Owen. Holli enjoys baking and spending time with her family.
A native of North Olmstead, Holli received her degree in Dental Hygiene from Lorain County Community College in 2018. She has been a full-time practicing hygienist since her graduation. Holli resides in Lorain with her husband Tony and daughter, Norah, and son, Owen. Holli enjoys baking and spending time with her family.

PATIENT CARE COORDINATOR: Dawn Troike
Dawn is a native of Sandusky. She worked with the predecessor dentists at our Milan office and joined Stine Dental, LLC when the business opened on October 1, 2001. She has worked on our team as both a chairside-dental assistant as well as her current role as a patient care coordinator. Dawn enjoys spending time with family and attending country music concerts. She resides with her husband, Eric, their daughter, Kendall, and their son, Kaden, in Perkins Township.
Dawn is a native of Sandusky. She worked with the predecessor dentists at our Milan office and joined Stine Dental, LLC when the business opened on October 1, 2001. She has worked on our team as both a chairside-dental assistant as well as her current role as a patient care coordinator. Dawn enjoys spending time with family and attending country music concerts. She resides with her husband, Eric, their daughter, Kendall, and their son, Kaden, in Perkins Township.

PATIENT CARE COORDINATOR: Lizeth Colmenares
Lizeth lives in Norwalk with her parents, Alonso and Beatriz, her sister, Karla, and their pitbull-mix, Canelo. She is fluent in
Spanish and is currently pursuing a degree in human resource management. She loves watching movies, listening to music,
weightlifting, going for coffee runs, and spending time with her boyfriend, Skyler.
Lizeth lives in Norwalk with her parents, Alonso and Beatriz, her sister, Karla, and their pitbull-mix, Canelo. She is fluent in
Spanish and is currently pursuing a degree in human resource management. She loves watching movies, listening to music,
weightlifting, going for coffee runs, and spending time with her boyfriend, Skyler.

CHAIRSIDE-DENTAL ASSISTANT: Mashala Lorentz
Mashala lives in New London with her husband Ryan and her two daughters, Shea and Ava. She loves being outside, going camping, truck pulling and spending time with her family and friends. Her daughter She is active in softball and Ava is active in both basketball and softball.
Mashala lives in New London with her husband Ryan and her two daughters, Shea and Ava. She loves being outside, going camping, truck pulling and spending time with her family and friends. Her daughter She is active in softball and Ava is active in both basketball and softball.

CHAIRSIDE-DENTAL ASSISTANT: Collin Coder
Collin lives in Norwalk with his parents, Heather and Brian, and his brothers, Jordan and Aiden. He loves to participate in air
softing and video games, and enjoys fishing. He has a miniature Doberman Pinscher named Buster.
Collin lives in Norwalk with his parents, Heather and Brian, and his brothers, Jordan and Aiden. He loves to participate in air
softing and video games, and enjoys fishing. He has a miniature Doberman Pinscher named Buster.