41 Klein Ave, Lebanon, PA 17042

Meet Our Team
Welcome to the online practice of Brighter Smiles Family Dental! We hope you enjoy getting to know us, and we look forward to seeing you at our office in Lebanon, Pennsylvania! Come by our office or contact us today to schedule your appointment with our friendly dentist, Dr. Jing Yang.


Tyna Dierolf, Office Manager
Tyna Dierolf is the owner and office manager of Brighter Smiles Family Dental. With over 20 years of experience, she has come to understand what patients want from their dental care. When her office went up for sale in 2013, she saw it as an opportunity to take everything she had learned and try to help more people achieve the beautiful smiles that they want. She also wasn’t ready to say goodbye to patients that had become like family to her.

Tyna cares for every patient that walks through her door, and believes that there is a way to achieve and keep a brighter smile. Every patient that comes into her office helps to achieve her special vision for Brighter Smiles Family Dental.

Tyna is married, and has a daughter and a son who are her world. She loves to attend all their sporting events, go on family trips, and take walks. She would do anything for her family and friends.


Wendy, Dental Assistant
Wendy began working as a dental assistant right out of high school.  She worked at Brighter Smiles Family Dental for twenty years, and continued working here after Tyna took over the practice.  She says, “I am so blessed to do work that I love, meet new people, make new friends, and work with friends.  Life is good!”

Wendy and her husband, Chris, have been married for 15 years.  They have two sons, Xavier, age 13, and Chad, age 30.  Chad is married to Jill, and they just had their first son.  Wendy looks forward to the future, both at the office and at home.


Ashley, Dental Assistant
My name is Ashley i have been a dental assistant for about 8 months now. I recently graduated from YTI for assisting. I was fortunate to find this job in January and i have loved it ever since. I enjoy talking to all the patients we have now and i love meeting all the new ones. Now i am currently attending HACC to become a hygienist. I am excited to see what the future holds for my career.