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Clear, evidence-based answers to your dental questions - written by a dentist. Search a symptom, browse a topic, or check whether what you're noticing is actually normal.
Trusted
Written & reviewed by a dentist
Knowledge
Grounded in standard dental literature
Clarity
Plain-English, no jargon
Topics
What do you want to understand?
Nine clear categories for the questions people actually type at 11pm.
Tooth & Cavities
Decay, toothache, sensitivity, chips, and how to protect enamel.
8 guides →
Oral Hygiene
Brushing, flossing, scaling, and the daily habits that keep a mouth healthy.
1 guide →
Gums
Bleeding, swelling, gingivitis, and the early signs of gum disease.
5 guides →
Wisdom Teeth
Pain, impaction, food traps, and when removal is actually needed.
4 guides →
Bad Breath
Why the smell lingers — and what actually fixes it.
3 guides →
Cosmetic Dentistry
Whitening, veneers, and what a brighter smile can (and cannot) do.
1 guide →
Children's Oral Health
Baby teeth, habits, and setting kids up for a lifetime of healthy smiles.
1 guide →
Braces & Aligners
Crooked teeth, bite problems, and what orthodontic treatment involves.
1 guide →
Dental Treatments
Fillings, root canals, crowns, and what to expect from common procedures.
1 guide →
Dental questions
Simple answers. No scare tactics.
Evidence-based explanations for the questions we hear most.
Why do my gums bleed?
Pink in the sink is a message, not a personality trait. Here's the simple, evidence-based reason gums bleed — and what to do about it.
Why are my teeth sensitive?
A short, sharp pain from cold, sweet, or air usually means dentine is exposed. Here's why that happens and how to calm it.
Is wisdom-tooth pain normal?
Some discomfort as a wisdom tooth erupts can be expected. Repeated swelling, a bad taste, or pain that spreads is not something to wait out.
Why does my mouth smell even after brushing?
Brushing the front surfaces isn't always enough. Persistent odour usually lives on the tongue, between teeth, or in the gums.
Guides
Longer reads, still in plain English.
When you want more than a one-screen answer.
Why baby teeth matter (even though they fall out)
Baby teeth hold space, help a child chew and speak, and can get painful infections just like adult teeth.
Crooked teeth: when braces or aligners are worth discussing
Crowding, a bite that doesn't meet, and teeth that are hard to clean are the usual reasons to see an orthodontist — not a perfect selfie.
Cavities: What Causes Them and How to Prevent Them
Tooth decay is one of the most common health problems worldwide. Here's how cavities form and how to stop them.
Myth vs fact
Scaling does not damage your teeth.
Myth
Scaling damages your teeth.
Fact
Scaling removes plaque and calculus that cannot be cleaned off by ordinary brushing. The instruments work on the deposits, not on healthy enamel. Any sensitivity afterwards is usually brief.
Is this normal?
Common, confusing, and usually fixable.
White tongue, morning breath, food stuck around a wisdom tooth — here's the honest version.
Is a white tongue normal?
A coated tongue is common — especially in the morning. Here's when it's harmless, and when it needs a closer look.
Are bleeding gums normal?
Common, yes. Normal, no. Bleeding is the gums asking for a cleaner environment — not a reason to stop brushing.
Is gum swelling normal?
A little puffiness with plaque is common. A hot, spreading swelling is not — it can be an infection that needs same-day care.
Dental emergency
Knocked-out tooth, swelling, or bleeding that won't stop?
A calm, step-by-step guide for the next few minutes — what to do, what not to do, and when to go straight to urgent care.
Have a dental question?
Search a symptom, browse a topic, or read a plain-English answer written by a dentist.
Written by a dentist · Evidence-based · Not a substitute for an exam