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How Long Does It Take To Whiten My Teeth?

In today’s fast-paced world, patients often ask one simple question: “How long will it take to whiten my teeth?” Understandably, everyone wants a brighter smile—and they want it fast. While modern dentistry offers incredible whitening options, the timeline can vary depending on the method you choose. Let’s break it down so you know what to expect.


1. In-Office Whitening: Immediate and Dramatic Results

If you're looking for the fastest results, in-office professional whitening is the way to go. At Rancho Bernardo Family Dental Care, we use powerful whitening agents combined with safe, light-activated technology to brighten your smile by several shades in just one visit—typically about 60 to 90 minutes.


Best for:

  • Special events (weddings, job interviews, photoshoots)
  • Quick, noticeable change
  • Patients with healthy gums and teeth


2. Take-Home Whitening Kits: Whiten Gradually at Your Pace

Prefer to whiten in the comfort of your home? Our custom take-home trays and professional-strength gel provide fantastic results with a bit more time. Most patients see visible changes within 5 to 10 days, with full results in about 2 weeks when used as directed.

Best for:

  • Patients who want flexibility
  • Sensitive teeth (as it allows slower, more gentle whitening)
  • Long-term maintenance after in-office treatment


3. Over-the-Counter Whitening Products: Slower and Less Predictable

While drugstore whitening strips and toothpaste are convenient, they typically contain lower concentrations of whitening agents. As a result, you may need several weeks to months to see subtle changes—if any.

Best for:

  • Very mild staining
  • Budget-conscious options
  • Complementing professional treatments


Be Realistic with Your Whitening Goals

Every smile is different. Stains from coffee, tea, red wine, or smoking may respond differently than those caused by aging or certain medications. A consultation with Dr. Mobilia can help you understand the best path forward—and how long it will take to achieve your dream smile.


Ready to Whiten Your Smile?

Whether you’re preparing for a special event or just want to boost your confidence, we’re here to help.

Give us a call today: 858-385-1838

Email: rbdentalcare@yahoo.com

Request an appointment online: Click here to schedule


Let’s brighten your smile—on your time.


Dr. John Mobilia, DMD 

Dr John, with over 30 years of experience. I went to the University of San Diego (USD) and received a bachelor's in chemistry. I earned my DMD graduating in the top 10% of my class from Boston University. I then continued on to a residency program in advanced education in general dentistry (AEDG) earning a certificate of advanced Dentistry (CAGS). I joined the Navy a year after finishing my residency. My Advanced degrees placed me in positions of higher responsibility and Leadership. After my honorable discharge , I practiced in the private sector in Tierrasanta for 13 years. Primarily caring to Navy families and their children.


 I then opened my own practice 13 years ago in Rancho Bernardo acquiring the most modern equipment available, while retaining that small town sense of individual attention, that seems to be lost in the corporate dental offices.

Dr. Julia Ng, DDS

Dr Ng, received her bachelors of science in Biology. She then received her DDS from University of the Pacific, San Francisco with high honors and an emphasis on general dentistry. She enjoys traveling and doing volunteer work. Her goal is to give back to the community that has given so much. She hopes to not only inspire her patients to have a healthier smile but to also lead healthier lives. Her free time is spent hiking, scuba diving and yoga. 

Nancy Vuong, RDH

Earned two AS Degrees in science at Mesa College, then completed the hygiene program at San Joaquin Valley College. She works full time as a dental hygienist and enjoys reading, hiking, running and outdoor activities with her two sons.