John Khalil, D.D.S.

john-khalilDr. Khalil was born in Toronto, Canada. He graduated from Northwestern University Dental School in Chicago, Illinois in 1997. He joined the dental practice in 1998. Since then the dentists at University Dental Group have worked together to develop a dental team who provide comprehensive dental treatment in a caring manner while always listening to and addressing the needs of the patient. Dr. Khalil takes pride in performing painless dentistry and has advanced training in Invisalign, CEREC, and cosmetic procedures.

Melissa Rosello, D.M.D.

melissa-roselloDr. Rosello was born in Michigan, but considers herself a true Floridian having spent most of her life in the Orlando area. She is a graduate of the University of Florida College of Dentistry. She received her D.M.D. degree in May 2006 and joined University Dental Group in June 2006. Dr. Rosello has completed advanced training in implant dentistry and has the distinction of being awarded Fellowship status in the International Congress of Oral Implantolgists. She has achieved higher education in both Invisalign and traditional straight-wire orthodontics. In addition, Dr. Rosello has completed advanced courses in fabrication of single visit cad-cam all porcelain restorations.

Dr. Rosello is a general dentist with great enthusiasm for dentistry along with a sincere care and concern for her patients. In addition to her passion for dentistry, Dr. Rosello is a founding board member of a local non-profit, Our Backyard Foundation, which was created to give back to our local community and help those who would not, otherwise, be afforded the opportunity for assistance. In her free time, Dr. Rosello takes great pleasure in spending time outdoors in the Florida sunshine with her husband and children.

Teri Torres-Friedmann, D.M.D.

teri-torres-friedmannDr. Torres-Friedmann is originally from Chicago, Illinois. She earned a Bachelors degree in Nutritonal Sciences and a Doctor of Dental Medicine degree from the University of Florida. She also completed a general practice residency at New York Methodist Hospital in New York City. Dr. Torres-Friedmann joined University Dental Group in 2007. She believes in treating patients with compassion and strives to always make patients comfortable in the dental office setting. Dr. Torres-Friedmann has completed hundreds of hours of continuing education and training in many areas of dentistry including implants, orthodontics, and cosmetic procedures. She is a proud member of the American Dental Association, Florida Dental Association, and the esteemed Seattle Study Club. She and her husband enjoy cooking, playing tennis, and spending time with their children and pets.


nydiaNydia Montijo is a very skilled and experienced dental hygienist with a passion for oral health. She enjoys educating her patients on oral hygiene techniques that will keep their smile both beautiful and healthy. Nydia knows how important it is for her patients to feel comfortable during their appointments, so she makes sure to spend time getting to know you. This personal touch allows her patients to always have a positive experience. Nydia is a loving wife, a mother of two, and recently welcomed her first grandchild. Nydia has been dedicated to our practice for over 25 years and we are so fortunate to have her here at University Dental Group.


andreaAndrea Spagnola is originally from Long Island, NY, but has spent most of her life in Orlando. She worked as a dental assistant for five years before earning her dental hygiene license in 2010. Andrea is compassionate, thorough, and takes great pride in helping patients feel confident with their smiles. She enjoys watching movies with her husband, working on crafts with her mother, and exercising. She is also continuing her health education at the University of Central Florida.

Come visit Andrea and you will experience her gentle touch as she takes care of all your dental hygiene needs.


sandraBeing a dental hygienist for almost thirty years has given Sandy many opportunities to serve in the dental field. She has been a member of the American Dental Hygienists’ Association for many years and is a Past President of the Greater Orlando Dental Hygienists’ Association, as well as the Florida Dental Hygienists’ Association. In 2012, she was awarded FDHA’s Distinguished Service Award.

Sandy has been an Educator for the University of Florida’s “Gator Kids Healthy Smiles” project, training Pediatric Physicians about Early Childhood Caries Prevention and how to implement it into their practice. She has also volunteered her clinical skills at a Dental-Medical Mission trip in Jamaica, and recently at the Jacksonville’s “Mission of Mercy” Dental Charity Event. She also likes to bike ride and spend time with her two beautiful grandchildren, Dash and Lyla.

Sandy loves her job and has been a great addition to our office.


Penny Haley is a Certified Registered Dental Hygienist with sixteen years of clinical experience. She recently joined the University Dental Group staff in January 2016. Penny graduated from Valencia Community College at the top of her class in 2004 with an A.S. Degree in Dental Hygiene. Among the many skills she brings to our practice, is her qualification to administer local dental anesthesia for the comfort and pain-free care of her patient’s. In addition, she is well known for her gentle touch, caring heart and dedication to perfection.

Penny believes that working at UDG, among some of the most highly skilled dentists in the dental profession today, has made her a better hygienist.

Penny continues to grow in her dental knowledge through continuing education. She believes through the implementation of the latest technologies and procedures in dental hygiene she can deliver the best oral care for her patients. When you meet Penny, you are sure to walk away knowing you have been in the presence of someone who truly cares about your oral health. Come and meet one of our newest staff members and become amazed as she transports you into a new appreciation for the dental office.