Our Team

Your Friendly Neighborhood Dentist in Irvine, CA

Our Experienced

Dr. Wayne Wu

Wayne Wu

Cosmetic/Full-Mouth Reconstruction

Dr. Wu graduated from New York University College of Dentistry in 1996 as one of the elite in the class. He devotes himself to advanced post-doctoral study with some of the most renowned dental educators and continuously utilizes the latest techniques and technology to provide the utmost care and precision. He is very passionate about perfecting dentistry for all of his patients. Whether it’s general dentistry, cosmetic smile makeovers, orthodontics or full mouth reconstruction, his philosophy is to treat each patient in considering all aspects of dentistry as a whole. Initially from Taiwan, he has been a long time resident of Irvine for over 30 years. Now he is contributing back to this community where he grew up. At home, he is a chef and a wine connoisseur, and enjoys going to the local parks and playgrounds with his wife and three daughters.

Dr. Casey Chen

Casey Chen

B.D.S, Ph.D, D.D.S.
Periodontics Specialist

Dr. Chen has been practicing as a periodontist in California for more than 20 years. He received his dental degrees (National Taiwan University and Loma Linda University), certificate in Advanced Periodontology (University of Pittsburgh), and PhD in Oral Biology (State University of New York in Buffalo) between 1980-1992. Immediately after attaining the degrees, Dr. Chen was invited to teach at the USC School of Dentistry, where he remains as a full-time faculty member. Dr. Chen is active in clinical and didactic teachings in periodontology as well as in basic science research in microbial pathogenesis. He has more than 70 publications in peer-reviewed journals, and is a past member of the editorial board of the Journal of Dental Research and a reviewer of leading journals in microbiology, dentistry and infectious diseases. A firm believer in the importance of periodontal health, Dr. Chen strives to provide the best possible periodontal care with passion for his patients.

Dr. Haejin Kang

Haejin Kang

Pediatrics Specialist

Dr. Kang is a board certified pediatric dentist who graduated from Cornell University. She went on to earn her doctorate from UCLA School of Dentistry and received her advanced pediatric training certificate from NYU Langone Hospital in Brooklyn, New York.

Dr. Kang chose pediatric dentistry to advocate for children and to instill the importance of oral health to children and teens. She believes that every child needs special attention and care especially in dental setting and strives to provide the best experience for them. ​

Dr. Kang lives with her family and her dog Louis in Irvine, and she can’t wait to meet everyone at Spectrum Dental Group.

Our Caring
Team Members

Rachel Tsai

Dental Hygienist

Rachel is a compassionate dental hygienist who has dedicated her career to ensuring that her patients have a positive experience. Graduating from UC Irvine in 2012 with a degree in biological sciences, Rachel went on to obtain her dental hygiene degree from Carrington College. Since becoming a hygienist in 2016, Rachel has excelled in her role, utilizing her bilingual skills in Mandarin Chinese and English to communicate effectively with her patients. In her spare time, Rachel enjoys yoga. She is married and has two boys, who keep her on her toes outside of work. Known for her friendly bedside manner, Rachel believes in the significance of oral hygiene in promoting overall periodontal health.

Kiu at Spectrum Dental Group

Kiu Truong

Dental Hygienist

Kiu is a Registered Dental Hygienist who graduated with honors from Cypress College. She has been in the dental field since 2013 as a dental assistant. Known for her compassionate and empathetic approach, Kiu is committed to making each patient’s dental visit a comfortable and educational experience. She excels in conducting thorough dental cleanings, oral assessments, and developing personalized hygiene plans tailored to each patient’s unique needs. She enjoys spending time with family, hiking, and camping.

Jessica Soria

Jessica Soria

Dental Hygienist

Jessica is a kind warm-hearted southern California native, who received her bachelor’s degree in Sociology from UC Riverside. Shortly after, she continued to pursue further education receiving her license as a registered Dental Hygienist from Cerritos College. Jessica’s love for dentistry stemmed from her mother’s background as a Registered Dental Assistant, where she was inspired from listening to her mother’s experiences and passion for dentistry and oral hygiene. Her background in Sociology and Dental Hygiene enabled her to integrate both of her areas of expertise to become an exceptional clinician. Her priority is to ease away dental fears, create a place of comfort, all while educating patients on the importance of having optimal oral hygiene. On her off time, she loves to hike with her Labrador King Ace, be a mermaid at the beach and bike when she is off mermaid duty.

Sarah at Spectrum Dental Group

Yatziry (Sarah) Osuna

Dental Assistant

Yatziry is a friendly, active and kind person. She’s been working as a dental assistant for 3 years and graduated from American Career College. Yatziry loves her job as a dental assistant, and is thrilled to have the opportunity to help others feel more confident about their smile. Yatziry is a proud mother of four; which inspires her to treat every patient with kindness and respect as if they were one of her own. In her free time, she enjoys hiking and spending time with her loved ones.

Ruth at Spectrum Dental Group

Ruth Soria

Dental Assistant

Meet Ruth. She grew up in Orange County, California and is bilingual in English and Spanish. She has been working in the Dental field for more than 8 years. Her love for her profession and the impact she makes is undeniable. She loves helping patients feel their best and confident by having a nice smile and healthy teeth. She enjoys making professional relationships with her patients to help them feel at ease and welcomed. The feeling of confidence and satisfaction Ruth helps create for her patients is felt after the patients get their treatment done. Which they feel based on their nice smile. Every day presents an opportunity for her to be a catalyst for positive change in someone’s life, and that’s the driving force that fuels her journey. 

Lupe Mendoza

Lupe Mendoza

Dental Assistant

Lupe has been a dental assistant since 2012. Her interest and passion for dentistry comes from wanting to help others feel as confident about their smile as she does. She enjoys being part of a team whose main focus is making every dental visit as delightful and comfortable as possible. As a mother of two beautiful girls she understands how dental visits for little ones can be freighting which motivates her to make our Pediatric patients appointments pleasant and enjoyable. Her days off are spent making unforgettable memories with her family.

Chrischelle Fernandez

Patient Coordinator

Chris grew up in the Philippines and is been working in dental field since 2022. She will be the first one you see when you come to our office and will greet you with her beautiful smile. Her warm and approachable demeanor creates a welcoming environment for both our team members and patients alike. Her role as Patient Coordinator reflects her commitment to ensuring that your smile transformation is not only successful but also a truly enjoyable experience.

Adriana Revuelta

Patient Coordinator

Adriana has been in the Dental field since 2019. Prior to the Dental field, Adriana was a certified Massage Therapist. She was introduced to the Dental field by her sister and since she always has the happy attitude to help others, she fell in love with the new career. Now she enjoys interacting and helping patients understand the value of their treatment. She loves spending quality time with her family.