Healthy Mouth.Healthy Body. Healthy Life.
A holistic, whole-person approach to dentistry for San Jose and surrounding areas — connecting your teeth, jaw function, airway, and sleep within a broader view of wellness.

A practice built aroundthe whole you.
Top Down Dental is a holistic dental practice where oral health and overall well-being are considered together. Dr. Rana Alan and Dr. Nancy Nehawandian take time to understand your health history, daily habits, and comfort alongside your teeth and gums.
From biocompatible materials to a calm, low-stress environment for patients managing dental anxiety, every part of your visit is designed around prevention, education, and genuine care.
- Location
- Los Gatos, CA
- Approach
- Whole-Body Holistic Care
- Ages Cared For
- All Ages Welcome
A Healthy Life StartsWith a Healthy Mouth.
Our doctors pursue continuing education well beyond license requirements, and bring that training to every visit — from periodontal health and TMJ function to airway and sleep concerns.
We favor conservative, biocompatible treatment and collaborate with other health providers when appropriate, so your care supports your whole body, not just your smile.

Holistic care,gently delivered.
From holistic prevention to smile design and airway care, every treatment is personalized around your comfort, your goals, and your overall health.
Holistic Dentistry
Holistic and biological dentistry are central to Top Down Dental. Dr. Rana Alan and Dr. Nancy Nehawandian consider your teeth, gums, bite, oral function, and health history together, with an emphasis on prevention, thoughtful material choices, and preserving healthy tooth structure.
General Dentistry
General dentistry at Top Down Dental in Los Gatos, CA, focuses on prevention, early detection, and comfortable care. Our team helps families and busy adults protect their oral health with clear treatment plans, gentle care, and technology that makes it easier to understand what is happening in your mouth.
Cosmetic Dentistry
Cosmetic dentistry at Top Down Dental brings together your smile goals, oral health, and bite function. Explore Invisalign, porcelain veneers, restorative options, and professional whitening with a plan tailored to your teeth and your preferences.
Safe Mercury Removal
Safe mercury removal at Top Down Dental begins with a conversation about your existing fillings, dental health, and material preferences. Our biological approach emphasizes individual evaluation, exposure-conscious removal planning, and biocompatible restorative choices.
TMJ Management
Jaw pain, clicking, stiffness, or frequent headaches can make everyday activities like eating, speaking, and sleeping uncomfortable. At Top Down Dental in Los Gatos, CA, Dr. Rana Alan and Dr. Nancy Nehawandian provide TMJ management focused on identifying the source of discomfort and creating a conservative treatment plan.
Airway and Sleep Solutions
Top Down Dental provides airway and sleep dentistry for patients across Silicon Valley experiencing snoring, restless sleep, daytime fatigue, and other signs of sleep-related breathing problems. We begin by listening closely to your concerns, reviewing your medical and sleep history, and completing a focused oral evaluation.
Two doctors.One philosophy.
Dr. Rana Alan and Dr. Nancy Nehawandian practice together in Los Gatos, CA, pairing rigorous continuing education with attention to how oral function, breathing, and sleep fit into whole-person dental care.
A dedicated team caring for patients under one roof, with the calm, low-stress environment you’d want for yourself and your family.
Start Your
Wellness Journey
Take the next step toward a healthier smile — and a healthier you — by scheduling your visit with our whole-person dental team today.
See why
our patientslove us
Whole-person dentistry starts with listening. We consider oral health, jaw function, airway, and sleep concerns within a personalized approach to care. Hear from patients who have shared their experience with Top Down Dental.
Excellent, friendly, holistic dental care!
Great people! Great service!
Very good
Best dentist I've ever been to. Very efficient and professional with the most advanced dentistry tools I've seen.

