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10 Everyday Habits That Harm Your Teeth (and What to Do Instead)

Most of us know the basics of oral care—brushing twice a day, flossing daily, and visiting the dentist regularly. But did you know some of your everyday habits could be sabotaging your smile? At Rancho Bernardo Cosmetic & Family Dental Care, we want to help you protect your teeth for life. Here are 10 common habits that harm your teeth—and how to fix them!


1. Brushing Too Hard

The Problem: Aggressive brushing can wear down enamel and irritate your gums.

The Fix: Use a soft-bristled toothbrush and gentle, circular motions.


2. Skipping Flossing

The Problem: Plaque and food particles between teeth cause cavities and gum disease.

The Fix: Floss at least once daily or try a water flosser for convenience.


3. Chewing Ice

The Problem: Ice can crack or chip your teeth.

The Fix: Satisfy the craving with cold water instead.


4. Nail Biting

The Problem: This habit can chip teeth and introduce harmful bacteria to your mouth.

The Fix: Keep nails trimmed or use a bitter-tasting nail polish to break the habit.


5. Using Teeth as Tools

The Problem: Opening packages or bottles with your teeth can cause fractures.

The Fix: Always reach for scissors or the proper tool instead.


6. Drinking Too Many Sugary Beverages

The Problem: Soda, sports drinks, and sweetened coffee bathe your teeth in sugar and acid.

The Fix: Opt for water or unsweetened beverages—and rinse your mouth after indulgence.


7. Constant Snacking

The Problem: Frequent eating gives bacteria more chances to produce cavity-causing acids.

The Fix: Stick to balanced meals and limit snacks to reduce acid attacks on enamel.


8. Grinding Your Teeth

The Problem: Bruxism (teeth grinding) wears down enamel and causes jaw pain.

The Fix: Ask your dentist about a custom nightguard to protect your teeth.


9. Overusing Whitening Products

The Problem: Excessive whitening can lead to sensitivity and enamel erosion.

The Fix: Follow your dentist’s recommendations for safe whitening.


10. Ignoring Dental Visits

The Problem: Skipping checkups means problems go unnoticed until they become serious.

The Fix: Schedule regular cleanings and exams every six months.


Protect Your Smile with Expert Care

Breaking these habits can go a long way in preserving your oral health. Need help getting back on track? Our team at Rancho Bernardo Cosmetic & Family Dental Care is here for you.


📍 12405 Rancho Bernardo Rd, San Diego, CA 92128

📧 rbdentalcare@yahoo.com

📞 Call us today to schedule your next visit!

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.