We know how important family is, so we treat our patients like family.
If I wouldn’t do it for a family member then I won’t recommend it for you.


Ilona Casellini, DMD

Since Dr. Casellini is a native Angeleno, there was never a question that she would choose Los Angeles as the home for her boutique style dental practice.  She received her undergraduate bachelors degree in Animal Science from the University of Vermont. She then went on to receive her doctor of dental medicine from the University of Pennsylvania, one of the top dental schools in the nation. She loves to pamper her patients with lavender scented hot towels, blankets, pillows, and customized music. Her passion shines through with each smile she creates. Swiss trained and Ivy League educated… Dr. Ilona Casellini combines her experience and family heritage to bring you the smile of your dreams.  She continues pursue world class post graduate education and currently holds a Mastership from the International Congress of Oral Implantologists.

Dr. Casellini is here for you! Our team looks forward to seeing you and treating all your dental needs.



Cinthia attended American Career College where she received her degree in dental assisting. She is an RDA. She strives to make all our patients feel welcome and at ease. She looks forward to seeing our patients and providing them with the comfort they need. She is the proud mother of a son and daughter, Nathan and Audrey. Her hobbies include dancing, movies, and spending time with her family.



Gloria, a Los Angeles native, has been working in the dental field since 1994. She enjoys helping patients achieve their picture-perfect smiles and a healthy mouth. Gloria’s goal is to make every experience at Swiss Quality Smile, whether on the phone or in the office, one of the best dental experiences you have had. On her free time she enjoys watching movies and doing nail art. She loves spending time with her family and her three small dogs named Stinky, Monster, and Dee-oh-gee.



Yvonne graduated with a Bachelor of Science in Applied Ecology at University of California, Irvine. Later on, she obtained her degree in dental hygiene at West Los Angeles College. Her passion is educating patients on oral health through example.  By doing so, she motivates her patients to see the bigger picture and improve their home care. Being the youngest of 6 kids, she learned early on how important communication is. Outside of dentistry, Yvonne loves to try new restaurants, snowboard, travel and spend time with her family.


Renzo Casellini, M.D.T.

Owner of Swiss Quality Dental, Renzo, a Master Dental Technician, received his education in Switzerland. Renzo, is a world renowned lab technician who has traveled the world lecturing on dental implants and esthetics. He has over 40 years of experience and been featured in over 50 professional publications. He has served as a professor in restorative dentistry at Loma Linda University, as the ICOI/IPS president from 2008 to 2009.  He advises many dentists through CE courses and via his lab. He holds Diplomate status with the American Dental Implant Association. He is the inventor of the EsthetiCap. In 1999 he received the Ellis Island Congressional Medal of Honor.