Wellington:
(04) 801 6228
Lower Hutt:
(04) 570 0520
Late-night snacking is tempting, but did you know that what and when you eat before bed can significantly impact your oral health? Many people brush their teeth and then sneak in a midnight snack without realizing they’re setting the stage for cavities, enamel erosion, and gum disease.
So, when should you stop eating at night to keep your teeth healthy? Let’s break it down.
When you eat, bacteria in your mouth break down sugars and starches, producing acids that can attack your tooth enamel. Normally, your saliva helps neutralize these acids, but at night, saliva production decreases, making your teeth more vulnerable to decay.
If you eat too late and don’t properly clean your teeth afterward, food particles stay in your mouth overnight, feeding harmful bacteria and increasing your risk of cavities, plaque buildup, and bad breath.
✅ Ideally, stop eating at least 1–2 hours before bedtime.
This gives your saliva time to wash away leftover food particles and neutralize acids before you sleep. If you brush your teeth immediately after eating, it’s even better to wait 30 minutes after your last meal before brushing.
🚨 Worst case scenario: Eating right before bed and not brushing your teeth afterward. This allows food particles and bacteria to sit on your teeth for 8+ hours, accelerating enamel erosion and tooth decay.
If you do eat late, try to avoid:
❌ Sugary Snacks (cookies, candy, ice cream) – Feeds cavity-causing bacteria.
❌ Sticky or Chewy Foods (gummy candies, dried fruit) – Gets stuck between teeth.
❌ Acidic Foods & Drinks (citrus, soda, wine) – Weakens enamel.
❌ Starchy Foods (chips, bread, pasta) – Turns into sugar, fueling bacteria.
If you must eat late, choose foods that are low in sugar and non-acidic:
✔ Cheese – Increases saliva and helps remineralize enamel.
✔ Yogurt – Contains probiotics that support gum health.
✔ Nuts – Low in sugar and can help clean teeth.
✔ Raw Vegetables (carrots, celery, cucumbers) – Helps remove plaque naturally.
✔ Water – Helps rinse away food particles and neutralize acids.
1️⃣ Stop eating 1–2 hours before bed
2️⃣ Drink water to rinse away food particles
3️⃣ Wait 30 minutes after eating, then brush with fluoride toothpaste
4️⃣ Floss to remove trapped food and plaque
5️⃣ Use an alcohol-free mouthwash for extra protection
🦷 The golden rule: Stop eating 1–2 hours before bed and always brush and floss before sleeping.
Late-night snacking isn’t just bad for your waistline—it can lead to cavities, enamel erosion, and bad breath if you don’t properly clean your teeth afterward. Making small changes to your nighttime routine can keep your teeth strong and healthy for years to come.
👉 Do you snack at night? What’s your go-to late-night snack? Let us know in the comments!
By the time we’re adults, most of us probably think we’ve got brushing our teeth figured out. We’ve been doing it everyday for most of our lives, after all. However, there is one part of the process that many people get wrong: they rinse their mouths after brushing!
After brushing your teeth, you should be spitting out the toothpaste, not rinsing then spitting. If the fact that you’re not supposed to rinse your mouth after brushing comes as a big shock, don’t feel bad. This is a very understandable misconception. From what we can tell, patients think of toothpaste like soap: something that aids in the removal of debris then gets washed away. But toothpaste isn’t like that for one very important cavity-preventing reason: fluoride.
Fluoride in an ingredient in toothpaste that prevents tooth decay by re-mineralizing and strengthening teeth. However, the less time the fluoride is on your teeth, the less time it has to prevent tooth decay. By rinsing with water you are limiting fluoride’s active time on your mouth to the amount of time you’ve been brushing. And given that most people don’t even brush for the full two minutes that the dentist recommends, that is not nearly enough time!
Upon hearing this prohibition of rinsing, one of the biggest questions we hear about is the dangers of swallowing toothpaste. While you should never swallow significant amounts of toothpaste, ingesting a tiny bit mixed with saliva after brushing your teeth is unlikely to do you harm (especially when compared to the risks of gum disease and tooth decay). But if you’re still very worried about it, you can rinse a little using this method: sip about a teaspoon (5 mL) of water and swish it in your mouth with the toothpaste to create a toothpaste slurry, then spit.
If the thought of having chemicals other than fluoride lingering in your mouth bothers you, you can try finding an all-natural fluoride toothpaste that has fewer ingredients. If it’s the lingering minty flavor that bothers you, there are toothpaste flavors other than mint out there, including bubblegum, watermelon and cinnamon. Just be sure they still have fluoride.
As an added bonus, not rinsing can also be better for the environment. Many of us unconsciously leave the water in the sink running as we brush our teeth, in anticipation of rinsing our mouths and the brush out at the end, wasting about 3 gallons (12 liters) of water each time. People who rinse their mouths are much more likely to waste water than those who don’t, so once you stop rinsing, you’ll probably stop wasting too!
