Here at Beautiful Smilez Dentistry, we love helping our patients improve their oral health and smiles. Our friendly team will work closely with you to help you understand your oral health and receive the care you need. We invite you to call us at 949-496-2930 to make an appointment with our dentist in SJC, California, Dr. Dr. Amir Mostaghni or Dr. Dr. Randall Segovia, and learn more about our dental services!
Janet Rangel – Dental Assistant
Janet Rangel has been a dedicated dental assistant since 2013, bringing over a decade of experience, compassion, and skill to patient care. Born and raised locally, she has deep roots in the community she proudly serves. Janet is married and the proud mother of two energetic boys, ages eight and two, who keep her life full of laughter and adventure.
Outside of work, Janet enjoys spending time outdoors, making the most of sunny days with her family. Whether it’s a trip to the park, a weekend hike, or simply enjoying quality time together, she treasures every moment with her husband and boys. Her warmth, friendly personality, and commitment to helping others make her an invaluable member of the dental team.
Martina Fuentes – Registered Dental Assistant
Office Manager & Receptionist
Martina Fuentes brings over 25 years of experience and dedication to the dental field, with a passion for patient care that shines through in everything she does. Born in Germany and educated in Europe as a Dental Assistant, Martina has worked across various clinical settings with different dental clinics and with best dentists in San Juan Capistrano. Martina has been refining her skills and deepening her commitment to excellence in dentistry through continue education and attending dental conventions.
For the past 12 years, Martina has been an integral part of Dr. Nadia Rezaiamiri’s team in San Juan Capistrano, where patients and colleagues alike value her knowledge, warmth, and calm demeanor. She is known for building genuine connections with patients and for always being available to answer questions or provide guidance with a reassuring smile.
Martina lives in San Clemente with her husband, whom she met after moving to Southern California. Together, they are proud parents of two children—a son and a daughter—and their busy household also includes two beloved dogs. Outside of the office, Martina enjoys spending time with her family and has a passion for crafts and DIY projects.
She often says, “I love my job, I love our patients, and I love our team”—a sentiment that perfectly captures her dedication to both her work and the people around her.