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Gerald C. Green, D.M.D.
Periodontics and Dental Implants

Meet The Team


Our exceptional, friendly staff is our greatest asset. Our dental assistants and licensed hygienists are professionals who pride themselves on staying on the cutting edge of periodontics! Our clinical team is excited and passionate about what they do, have high standards of quality and integrity, and are motivated to achieve the best results for our family of patients.

Our dedicated and motivated staff has one primary goal - your utmost comfort! We feel it’s important that you understand the treatment so you will be able to make informed decisions regarding your treatment.  Having a better understanding about your treatment and answering your questions will allow you to relax during the procedure. Our staff is eager to address any of your questions.  Please feel free to share with us your needs and concerns.


Kristan Zimmerman 

Hi, my name is Kristan. I am from Mount Carmel, Pennsylvania.  After graduating from Pennsylvania College of Technology with my Associates Degree in Dental Hygiene,  I moved to Lancaster where I 
met my husband, Andy.  We have a 4 lb. Chihuahua named Aubrey who is always by my side.  I enjoy cooking, baking, reading and yoga.  In my free time I volunteer with the children's ministry at my church. I also enjoy traveling, camping and spending quality time with family and friends. 

My love for dental hygiene fuels my desire to provide quality service to my patients which makes working with Dr. Green such a perfect fit for me! I believe my ability to connect and understand people helps to make patients feel more comfortable while they are in my chair. I enjoy every opportunity I get to educate my patients and teach then how to obtain optimal health. I look forward to helping you!






Tammy Spencer

Hello, my name is Tammy Spencer. I am the Administrative Coordinator for Dr. Green. I am here to answer your calls, schedule your appointments, verify your dental benefits, file your claims, and help make comfortable financial arrangements and I will do it all with a smile.

I am a graduate of J.P. McCaskey High School and Consolidated School of Business. I have a sincere passion for the customer service industry, which I've had the pleasure of participating in for over 24 years. In 2006 I began working in the dental field. In 2008 I was blessed with the opportunity to join Dr. Green's exceptional team of highly qualified team members. Our philosophy is clear and won't be compromised. Our mission is to make your dental experience here in our office the very best.
When I'm not at work, I enjoy spending all my free time with my family. I have been married to my loving husband since 1996. Together we have 3 awesome children, who I adore with my whole heart!


Aurora Green                            

Hello, my name is Aurora and I have worked with my husband since 1993. I graduated from the Pennsylvania Academy of the Fine Arts in 1989. While my husband completed his periodontal training in Boston, I worked with a top cornea specialist. When we returned to Pennsylvania I began helping my husband establish his periodontal practice. Through the years there have been many changes but through it all our goal has always been to provide exceptional patient care. Being a part of a practice that truly values patients and their care is so rewarding. I will do whatever I can to make your experience with our office pleasant.

I enjoy spending time with my wonderful husband and daughters, Claudia and Julia. I also enjoy  painting, reading, cooking, time spent at the beach and I recently became a master gardener.






Trisha Panos

Hi, I'm Trisha!  I grew up in Lancaster County and graduated from Warwick High School in 2005.  I worked in my parent's restaurant throughout high school, learning the art and skill of multi-tasking while offering great customer service. My love for helping people led me to the dental assisting program at Lancaster County Career and Technology Center where I graduated in 2008.  

I previously worked with Dr. Green but left to pursue a career as an expanded functions dental assistant and I realized my heart and passion is in a periodontal practice.  I recently rejoined Dr. Green's practice and I am so excited to be back.  I returned here because I believe in Dr.Green's values and the philosophy of the practice and he empowers me to learn.

I especially enjoy working as a team and I look forward to seeing our patients from the past and meeting the new patients.  MAKING YOU FEEL CALM AND COMFORTABLE IS MY SPECIALTY! 


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