Teeth Whitening in Los Angeles & North Hollywood
Professional in-office whitening. Custom take-home trays. Internal bleaching for root-canal-treated teeth. Results that over-the-counter products cannot achieve. Dr. Fadi Elzayat, DDS, FICOI.
Professional teeth whitening at A-Dental Center in North Hollywood delivers results in a single visit that over-the-counter strips cannot match. Dr. Fadi Elzayat, DDS, FICOI evaluates every patient personally, assessing enamel condition, stain type, and existing restorations, before recommending in-office whitening, custom take-home trays, or internal bleaching for root-canal-treated teeth. Most patients achieve 6 to 10 shades of improvement the same day. Serving Los Angeles, North Hollywood, Burbank, Studio City, and the San Fernando Valley. Call (818) 593-0700 or book online for a free consultation.
- ★ 700+ Five-Star Google & Yelp Reviews
- ✓ USC-Trained & FICOI-Credentialed Dentist
- ✓ Bilingual Team, Se Habla Español
- ✓ Most PPO Insurance Accepted
- ✓ Same-Day & Emergency Appointments
- ★★★★★ "6 shades whiter in one appointment. Better than anything I tried before." — T.M., Burbank
- ★★★★★ "I've wanted white teeth for years. Finally did it. Zero regrets." — C.A., Studio City
- ★★★★★ "Professional, quick, and the results are incredible." — L.N., North Hollywood
★★★★★
4.9
Google Rating
★★★★★
700+
Five-Star Reviews on Google & Yelp
20+
Years in NoHo
USC
School of Dentistry
FICOI Fellow
Top 5% of Implant Dentists
Same
Day Appointments Available
Why Professional Whitening Outperforms Over-the-Counter
Professional teeth whitening uses pharmaceutical-grade hydrogen or carbamide peroxide at concentrations of 15–40% — compared to 3–10% in over-the-counter strips and gels. The result is measurably superior whitening in a fraction of the time, with professional supervision to ensure safety and comfort.
At A-Dental Center, whitening begins with a clinical evaluation of your tooth color, enamel condition, and existing restorations. This matters — whitening teeth with crowns or significant enamel erosion produces unpredictable results. Dr. Elzayat identifies exactly what whitening can achieve for your specific situation before treatment begins.
The two most commonly appropriate options are in-office whitening (single-visit, maximum intensity) and custom take-home trays (gradual whitening over 1–2 weeks). Many patients use both: in-office for the dramatic initial result, trays for ongoing maintenance.
Whitening Options at A-Dental Center — Which Is Right for You?
| Option | How It Works | Visits | Time to Results | Shade Gain | Results Last | Cost | Best For |
|---|---|---|---|---|---|---|---|
| In-Office Whitening | 35–40% peroxide + light activation, applied chairside | 1 | Same day | 6–10 shades | 1–3 years | $400–$700 | Maximum result, fast timeline |
| Custom Take-Home Trays | 16–22% professional gel in custom-fitted trays 30–60 min/day | 2 | 1–2 weeks | 3–6 shades | 1–2 years | $300–$500 | Gradual whitening, maintenance |
| Combination | In-office jumpstart + take-home trays for maintenance | 2–3 | Same day + | 8–12 shades | 2–4 years | $600–$1,000 | Maximum whitening and longevity |
| Internal Bleaching | Bleaching agent placed inside root-canal-treated tooth | 2–4 | 1–3 weeks | Variable | 3–10+ years | $300–$600 | Darkened root-canal teeth only |
| OTC Whitening Strips | 3–10% peroxide adhesive strip worn daily | 0 | 2–4 weeks | 1–2 shades | 3–6 months | $30–$80 | Minor maintenance only |
What Causes Teeth to Yellow or Stain?
The type of staining on your teeth determines the most effective treatment. Not all discoloration responds the same way to whitening.
Extrinsic Staining
Surface staining on enamel. Responds very well to professional whitening.
- ☕ Coffee and tea
- 🍷 Red wine
- 🍓 Dark berries and sauces
- 🚬 Tobacco (smoking and chewing)
- 🥤 Cola and dark sodas
- 🥕 Turmeric and curry
Intrinsic Staining
Staining within dentin or enamel structure. Responds variably — some require veneers or internal bleaching.
- ⏳ Aging (dentin darkens naturally)
- 💊 Tetracycline antibiotics
- 💧 Fluorosis
- 🦷 Root canal treatment
- 🤕 Dental trauma
- 🔬 Enamel hypoplasia
Restorative Discoloration
From existing dental work. Not affected by whitening — requires restoration replacement.
- 👑 Old composite bonding (yellows over time)
- 🔩 Metal-based restorations
- ⚡ Old amalgam fillings
- 🪥 Porcelain / zirconia crowns
Dr. Elzayat identifies your stain type at your consultation and recommends the most effective treatment — whether that is whitening, veneers, internal bleaching, or a combination.
📅 Free Whitening ConsultationIn-Office Whitening at A-Dental Center — Step by Step
Pre-Whitening Evaluation
Dr. Elzayat evaluates your current shade, enamel condition, existing restorations, and gum health. Active decay or gum disease is treated first. Patients with crowns or veneers in the smile zone are counseled on color-matching considerations before treatment begins.
Gum Protection
A protective gel or rubber guard is applied to the gum tissue before any whitening agent contacts the teeth. This prevents irritation and sensitivity — a step that over-the-counter strips skip entirely.
Whitening Agent Application
Professional-grade hydrogen peroxide (35–40%) is applied to each tooth. A dental curing light accelerates the whitening reaction. Multiple applications are completed in a single appointment — typically 3–4 cycles of 15 minutes each.
Shade Evaluation
Your shade is compared before and after using a dental shade guide. Most patients achieve 6–10 shade improvement in a single visit. The difference is visible and measurable immediately.
Desensitizing Treatment
A fluoride desensitizing treatment is applied after whitening to reduce post-treatment sensitivity. Custom take-home trays and professional maintenance gel are available for continued whitening and long-term result maintenance.
Internal Bleaching — For Teeth That External Whitening Cannot Fix
When a tooth darkens after root canal treatment, the discoloration comes from inside — blood byproducts and necrotic tissue remnants within the pulp chamber stain the dentin from within. External bleaching agents cannot penetrate deeply enough to treat this type of discoloration.
Internal bleaching places a strong bleaching agent directly inside the tooth through an access opening. The agent works from the inside out, reversing the darkening that external whitening cannot reach.
What to Know
- Requires prior root canal treatment on the tooth
- Typically 2–4 appointments over 1–3 weeks
- Results range from partial improvement to complete color match
- Less invasive than veneer placement — preserves natural tooth structure
- A tooth-colored seal protects the treated tooth between sessions
- Tetracycline-stained and fluorosis teeth do not qualify
How to Maintain Your Whitening Results
Limit Staining Drinks
Coffee, tea, red wine, and dark sodas are the primary re-staining culprits. Drinking through a straw and rinsing with water immediately after significantly extends whitening longevity.
Avoid Tobacco
Tobacco is the fastest re-staining agent after whitening and significantly increases oral cancer and gum disease risk. No whitening treatment produces long-lasting results in patients who continue to smoke.
Consistent Oral Hygiene
Brush twice daily with a soft-bristled toothbrush and floss daily. Plaque buildup allows staining particles to embed more deeply. Clean enamel stays whiter longer.
Use Custom Take-Home Trays
Quarterly touch-up sessions with professional whitening gel in custom trays maintain your result between in-office visits — more effective than strips at a fraction of the cost of a full re-treatment.
Regular Professional Cleanings
Professional cleanings every 6 months remove calculus and extrinsic stain deposits that brushing alone cannot remove. Whitening results last significantly longer in patients who maintain their schedule.
Annual Touch-Up Treatment
A single in-office touch-up or 1–2 weeks of custom tray use annually restores peak whiteness. Most patients are delighted by how quickly their smile is refreshed with maintenance treatments.
Meet Dr. Fadi Elzayat, DDS, FICOI
A-Dental Center has served the North Hollywood community since 1998. Dr. Fadi Elzayat has led the practice since 2008 — 20+ years of cosmetic dentistry including professional whitening, veneers, bonding, and full smile transformations.
A graduate of USC Herman Ostrow School of Dentistry and FICOI Fellow, Dr. Elzayat evaluates every whitening candidate personally — assessing shade, enamel condition, and existing restorations to recommend the treatment that will produce the best possible result for your specific teeth.
FAQ
Frequently Asked Questions — Teeth
Whitening Los Angeles
Results
How many shades whiter will my teeth get?
Most patients achieve 6–10 shades of improvement with in-office whitening. Custom trays typically produce 3–6 shades. Maximum results depend on starting shade, stain type, and enamel condition. Dr. Elzayat shows you realistic expectations at your consultation using a dental shade guide.
How long do whitening results last?
In-office whitening lasts 1–3 years depending on diet and habits. Custom tray maintenance extends results significantly. Annual touch-ups keep your smile at peak whiteness indefinitely.
How white can my teeth actually get?
The maximum is determined by your natural enamel color and the type of staining. Surface (extrinsic) staining from coffee, tea, and smoking responds dramatically. Intrinsic staining from aging or medication responds moderately. Genetic enamel color sets the upper limit — whitening cannot exceed it.
Safety & Sensitivity
Does teeth whitening hurt?
Mild sensitivity is common during and after whitening, typically lasting 24–48 hours. Patients with existing sensitivity may experience more. Dr. Elzayat applies desensitizing gel post-treatment and can pre-treat sensitive patients before whitening begins.
Is professional whitening safe?
Yes. Hydrogen and carbamide peroxide have been used in clinical dentistry for over 30 years with an excellent safety profile. Professional supervision ensures gum protection and appropriate concentration. Not recommended during pregnancy or for patients under 16.
Can whitening damage enamel?
Professional whitening at appropriate concentrations and durations does not damage enamel when performed correctly. Over-the-counter products used improperly (too long or too frequently) can cause more enamel surface disruption. Professionally supervised whitening is safer and more effective.
Candidacy
Can I whiten my teeth if I have crowns or veneers?
Yes — when done well. Modern zirconia and porcelain materials have exceptional translucency and light-reflective properties that closely mimic natural enamel. Dr. Elzayat’s work is designed to look like the best version of your natural smile, not a uniform set of blindingly white teeth. The goal is beautiful and natural, not artificial.
Can tetracycline-stained teeth be whitened?
Tetracycline staining is intrinsic and responds poorly to conventional whitening. Extended treatment with custom trays may produce modest improvement. For severe tetracycline staining, porcelain veneers typically produce the most dramatic and predictable result.
I have sensitive teeth — can I still whiten?
Often yes. Pre-treatment with fluoride desensitizing gel, lower-concentration professional products, and shorter application times make whitening tolerable for most sensitive-tooth patients. Custom take-home trays with 10–16% carbamide peroxide are gentler and a good starting point for sensitive patients.
Can children get their teeth whitened?
Professional whitening is not recommended for patients under 16, as tooth pulps are larger and more sensitive during development. Consultation with Dr. Elzayat is recommended before any whitening treatment for teenagers.
Products & Maintenance
Is professional whitening better than Crest Whitestrips?
Yes — measurably so. Professional whitening uses 35–40% hydrogen peroxide versus 3–10% in strips. Results are dramatically superior. Strips can also irritate gum tissue from gel leakage, while professional trays are custom-fitted to prevent this. For meaningful whitening, professional treatment is the correct choice.
What whitening toothpaste do you recommend?
Whitening toothpastes primarily work through mild abrasion — they remove surface stains but do not chemically bleach. They are useful for maintenance between professional treatments but produce no meaningful shade improvement on their own. Sensodyne Pronamel Gentle Whitening is a good option for sensitive teeth patients.
How do I maintain my whitening results at home?
Limit coffee, tea, wine, and dark sauces. Rinse with water after consuming staining foods. Use custom professional trays quarterly. Maintain regular professional cleanings. Annual in-office touch-up. These habits together can maintain your whitening result for many years.
Real Patient Stories
What Patients Say About Our Whitening Treatments
Verified reviews from patients who had teeth whitening at A-Dental Center in North Hollywood.
"I went in for a cleaning and whitening treatment and was so happy with my results! Every member of the staff was so sweet and kind and the facility is super clean and modern! I would recommend this place to everyone!"
Tiffany Alaverdyan
Verified Google Review"Edith and Aylin made sure I had my teeth in the best condition they could be before my wedding, giving me a thorough teeth cleaning and sending me home with some tips for whitening and an at-home treatment."
Jesse Ridenour
Verified Google Review"They scheduled me for teeth whitening and by the way I got to watch a movie while the work was being done. Spectacular work! I am completely satisfied, outstanding job by the entire staff."
Bobby O.
Verified Yelp Review"My hygienist gave me my first teeth whitening which was amazingly successful!"
Nathaniel H.
Verified Google Review"I got an amazing deep cleaning and fill. Everyone was extremely hospitable and I got a free whitening. Can't beat the service and quality work here."
Catalina H.
Verified Yelp Review"My hygienist did an amazing job and gave me a complimentary gift for the holidays! Also instructed me on how to make the whitening process last longer."
James Allison
Verified Google ReviewSame-Day Appointments Available
Your Smile Is One Call Away
Free consultation. Same-day appointments available. Professional whitening that over-the-counter products simply cannot match. Most PPO Insurance Accepted · Financing Available · Se Habla Español
A-Dental Center · 11335 Magnolia Blvd Suite #1a · North Hollywood, CA 91601 Serving Los Angeles, Burbank, Studio City, Glendale & the San Fernando Valley