Our Oceanside practice combines advanced technology with a warm, welcoming environment, ensuring every patient feels comfortable, informed, and confident in their care.
Lorena has been part of Dentistry 2000 for 18 years and serves as the Front Office Manager. As a lifelong Southern California resident, she takes pride in welcoming patients with kindness, organization, and genuine care from the moment they contact the office.
Her experience, attention to detail, and commitment to patient service help make each visit smooth and stress-free. Outside the office, Lorena enjoys beach walks with her dog, Penny, cheering on her daughter at volleyball games, and spending quality time with her husband.
Sanae brings more than 15 years of experience in the dental field to her role as Treatment Coordinator at Dentistry 2000. Known for her warmth, professionalism, and strong communication skills, she helps patients feel comfortable, informed, and supported throughout their treatment planning process.
Her ability to speak multiple languages allows her to connect with patients from diverse backgrounds and make each visit feel more personal and welcoming. Outside the office, Sanae enjoys spending time with her two sons and cherishing time with her family.
Since joining Dentistry 2000 in 2017, Maria Guzman has become a familiar and comforting presence for our patients. As a Registered Dental Assistant, she brings experience, compassion, and a naturally gentle approach to every appointment.
After a brief time away, Maria returned to our team and continues to make a positive impact in her part-time role. When she is not in the office, she loves spending time with her family and fiancé, enjoying the moments that matter most.
For the past three years, Angie Morales has been one of the friendly faces helping keep Dentistry 2000 running smoothly. As a longtime Encinitas resident, she loves serving the community she calls home and helping patients feel welcomed and cared for from the moment they arrive.
When she is not assisting patients, Angie enjoys spending quality time with her son, Ronnie, and her dog, Milo, as well as exploring local parks and beaches. Her positive energy, dedication, and kindness make her a joy to work with and an important part of our team.
Her ability to speak multiple languages allows her to connect with patients from diverse backgrounds and make each visit feel more personal and welcoming. Outside the office, Sanae enjoys spending time with her two sons and cherishing time with her family.
Martin has been in the dental field for over 7 years and brings both skill and warmth to our team. Born and raised in Southern California, he has a natural connection with our community and enjoys making patients feel comfortable during their visits.
Outside of the office, Martin loves photography — especially capturing cars, sports, and portraits. He stays active by going to the gym, spending time with friends, and working on his own car, one of his favorite hobbies.
Led by Dr. A.R. Assadian, our team is passionate about creating healthy, beautiful smiles. We believe every patient deserves personalized attention, clear communication, and treatment options tailored to their needs and goals.
From preventive check-ups and professional teeth whitening to dental implants, cosmetic dentistry, and complete smile makeovers, we offer a full range of services for patients of all ages.
At Dentistry 2000, our mission is simple: to treat every patient like family. We take the time to listen, explain, and collaborate on care plans that support long-term oral health and overall well-being. Our gentle approach, cutting-edge techniques, and dedication to excellence have earned us a reputation as one of the most trusted dental practices in the community.
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Dr. A.R. Assadian, MS, DDS, founded Dentistry 2000 in 1999 with a vision to bring advanced, compassionate dental care to North County San Diego. With more than two decades of clinical experience, Dr. Assadian has become one of Oceanside's most trusted dentists, known for his gentle touch, artistic precision, and dedication to patient education.
Educational Background:
● Doctor of Dental Surgery (DDS) – University of Maryland, College of Dental Surgery
● Master of Science in Chemistry – San Diego State University
● Bachelor of Science in Biochemistry – San Diego State University
Dr. Assadian's strong foundation in biochemistry and chemistry gives him a unique understanding of dental materials, oral biology, and the latest treatment technologies. He approaches each case with scientific precision while never losing sight of the human element—building trust, explaining options clearly, and ensuring every patient feels heard and cared for.
Since opening our doors in 1999, Dentistry 2000 has served thousands of patients throughout Oceanside, Carlsbad, Vista, San Marcos, and beyond. We've built lasting relationships with families who trust us for their complete dental care—from children's first checkups to complex restorative work and everything in between.
Dr. Assadian and his wife have raised three children in San Diego, making this community truly home. Our deep local roots mean we're not just your dentist—we're your neighbors, invested in the health and well-being of North County families.
At Dentistry 2000, we believe exceptional dentistry starts with exceptional listening. Dr. Assadian takes time during every appointment to understand your concerns, answer questions, and ensure you're comfortable with your treatment plan. We never pressure patients into unnecessary procedures. Instead, we educate you about your options and respect your choices.
Our patients often describe Dr. Assadian as genuinely approachable, easy to talk to, and someone they trust completely. Whether you're anxious about dental visits or seeking advanced cosmetic work, we create a judgment-free environment where you can receive care with confidence.
I earned my Bachelor of Science degree in Microbiology & Immunology from the University of Rochester, followed by my Doctor of Dental Surgery degree from the University at Buffalo School of Dental Medicine. After graduating, I moved to Southern California to complete my general practice residency at the Sepulveda Veteran Affairs Medical Center, where I had the privilege of caring for our nation’s veterans.
I believe every patient deserves to be treated like family. My goal is to create a comfortable, welcoming environment where patients of all ages feel heard and understood. I take the time to explain treatment options clearly and work together with each patient to create a personalized plan that supports their long-term oral health and overall well-being.
Dr. Fariba Beik studied at the University of Medical Sciences in Tehran before earning her dental doctorate from Loma Linda University School of Dentistry. She brings years of experience, skill, and efficiency to our Dentistry 2000 team, helping patients feel comfortable and confident in their care.
In her free time, Dr. Beik enjoys spending time with her husband and son, cooking Persian food, and staying active with volleyball and pickleball.
Call (760) 945-7000
