Meet The Doctors

Kanoknuch Shiflett, DDS

Pediatric Dentist

Dr. Shiflett graduated from University of Southern California in 1992 and continued her education in General Practice Residency at Rancho Los Amigos National Rehabilitation Center in Downey, California. During her residency training, she had the opportunity to treat adult and children with special health care needs. After finishing her residency program, she practiced general dentistry and realized that her passion in dentistry was children and special health care need patients. She furthered her training in Advanced Pediatric Dentistry at University of Southern California and Miller Children’s Hospital at Long Beach and graduated in 1996. During her residency, she received graduate student research award from the American Academy of Pediatric Dentistry and the outstanding resident award from the program.

Dr. Shiflett was a Clinical Assistant Professor at University of Southern California, Department of Pediatric Dentistry and worked with non-profit Children’s Dental Health Clinic in Long Beach from 1996-1998. Dr. Shiflett has been in private practice in West Covina since 2000.

She is a member of the following organizations:

  • American Academy of Pediatric Dentist
  • California Society of Pediatric Dentist
  • American Dental Association
  • California Dental Association
  • San Gabriel Valley Dental Society

Anna Lynn De Guzman, DDS

Pediatric Dentist

Dr. De Guzman is committed to providing expert dental treatment and friendly, personalized service to ensure your child obtains the best possible care.

She received a Bachelors of Science Degree in Biology from the University of the Pacific and she earned a Doctor of Dental Surgery (DDS) Degree from the University of California at Los Angeles.

Following dental school, she completed two additional years of post-doctoral training in Pediatric Dentistry. She was in the inaugural class of the new UCLA-Venice Community Health and Advocacy Training (CHAT) program which was integrated with the UCLA CHAT Pediatric Medicine training program. Dr. De Guzman is trained and qualified in the management of child behavior and the provision of care utilizing various sedation modalities as well as treatment of children with special healthcare needs.

As a UCLA faculty member in the department of Pediatric Dentistry, she currently enjoys teaching pediatric dentistry to the next generation of oral health care providers. She is also a member of various dental organizations including the California Society of Pediatric Dentistry, the San Gabriel Valley Dental Society, the California Dental Association, and the American Dental Association.

Dr. De Guzman is passionate about improving oral health and looks forward to working with you and your child.

Dr. Xuanyu Lu, DDS, MSD, Ph.D


Dr. Xuanyu Lu is coming to us from the Children's Hospital of Los Angeles (CHLA) and University of Southern California (USC). He is serving as Craniofacial Orthodontist in the largest Craniofacial Team on the West Coast, specialized in treating kids with birth defects and special needs. In addition, prior to joining our practice, he was teaching and conducting researchs in bone growth and development at Herman Ostrow School of Dentistry USC as a Clinical Assistant Professor. He is also a Craniofacial Orthodontic Consultant at Kaiser Permanente Los Angeles Medical Center. Dr. Lu is Board Certified, a Diplomate of American Board of Orthodontics (ABO) and a Fellowship in Craniofacial and Special Needs Orthodontics. While the Board Certified and a Diplomate of ABO is a distinction achieved by only a select few practicing orthodontists, the Fellowship in Craniofacial and Special Needs Orthodontics is even a fewer achievement.

Dr. Lu completed his Orthodontics residency at the University of Illinois at Chicago (UIC) and Craniofacial Orthodontics Fellowship at CHLA. Before his clinical training, he has Master and Ph.D degrees in Oral Sciences for UIC accomplished by 12 peer-reviewed publications in the field of bone biology. Dr. Lu has been practicing for 11 years since he finished his degree in Dentistry in China.

In his free time, he loves reading, cooking and hiking.  He enjoys going on advanture with his son, Dustin and exploring nature. Dr. Lu is a vivid runner. He completed 14 full marathons in the past 10 years at Chicago, New York, St Louis and Los Angeles. Running at Boston is his next plan.

Dr Xuanyu Lu is passionate about craniofacial growth and development. By joining pediatric practice, he can use his skills and knowledges to improve the orthodontic treatment outcome in children and adolescents.  His involvement with children with special needs proves to us that he has a kind heart and patience with all children.    

Professional Memberships

  • American Board of Orthodontics, Board-Certified, Diplomate (ABO)
  • College of Diplomates of the American Board of Orthodontics (CDABO)
  • American Cleft Palate-Craniofacial Association (ACPA)
  • American Association of Orthodontists (AAO)
  • Pacific Coast Society of Orthodontists (PCSO)
  • California Association of Orthodontists (CAO)
  • International and American Association for Dental Research (IADR/AADR)
  • The American Society for Bone and Mineral Research (ASBMR)