Dr. Johanna Paco

Dr. Johanna Paco attended the University of California, Los Angeles, and received a bachelor’s degree in biology. In 1991, she graduated from the University of Southern California Dental School with recognition for Excellence in Oral Pathology. She has been with Cottage Dental since 1997. 

She loves providing quality care to patients in a personable and gentle way. 

She is proficient in sedation for anxious patients, making same day crowns, Laser dentistry and Invisalign. 

When she’s not providing dental care, Dr. Paco works with her husband educating others about the importance of good nutrition and a healthy active lifestyle. She is a Certified Personal Trainer. She is also a grandmother of nine and enjoys spending time with her family in her spare time. 

Some of her hobbies are reading personal development books, dancing, exercising and serving in Children’s Ministry at her church.


Dr. Stephen Lehman

Dr. Stephen Lehman grew up in Fullerton and attended local schools including Sunny Hills. He graduated from the University of California, Irvine, and later the University of the Pacific Dental School in San Francisco in 1989. 

After graduating, Dr. Lehman returned to Fullerton and still lives in the area with his family. Dr. Lehman has a passion for comprehensive and cosmetic dentistry. When not providing dental care or spending time with his family, you might find him riding his motorcycle, skiing the local mountains, or watching USC Football. He is also a black belt in Goju Shin Ryu Karate.


Dr. Patricia Gusti

Dr. Patricia Gusti is a second-generation dentist following in the footsteps of both parents. She is bilingual in Indonesian and English. She received her Bachelor’s degree from the University of California, Berkeley and further her education by earning her Doctor of Dental Surgery from Indiana University School of Dentistry.

Dr.Patricia Gusti believes every patient is special. She is committed to going above and beyond to provide personal quality care. Her philosophy of practice is to treat others as how you want to be treated. She takes great pride to serve her patients with empathy as well as providing uncompromised care in a friendly environment.

Dr. Patricia Gusti stays up to date with the latest advances in dentistry as an active member of the American Dental Association, California Dental Association, and Orange County Dental Society.

Outside the office, she enjoys parenting her two very active boys together with her husband. As a family, they enjoy cycling, exploring new cities, and visiting zoos and aquariums. In her spare time, some of her other favorite things to do are trying new cuisines and watching stand up comedy.

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