Santa Clara Dentist. Dr. Pauline Lu provides Dental Hygiene and Periodontal Health, gum disease, gum disease treatment, periodontal surgery, preventive oral health, oral hygiene, gum care to patients suffering from gingivitis, bad breath, plaque in Sunnyvale, Cupertino, San Jose, . Sunnyvale Dentist providing Dental Hygiene and Periodontal Health in Santa Clara, California.