Adult Patient Information: Plain-Language Dental Guides

Written by Dr. Nick Jadidi, DDS — Last updated July 13, 2026 · 5-minute read

Why does this tooth ache at night? Do I really need that wisdom tooth out? Is it normal for gums to bleed when I floss? The guides below answer those questions properly, in plain language.

If something specific brought you here, start from what you can feel:

Cavities and root canals

Most dental trouble starts small, with decay you cannot yet see or feel. These guides follow that path from the first cavity to a tooth that needs help on the inside. (A tooth that already aches has its own guide in the Emergency Patient Information library.)

• How Cavities Form and How We Stop Them — what decay actually is, why it does not hurt at first, and how fluoride, protective coatings (sealants) and small fillings stop it early.
• Root Canal Treatment Explained: What Actually Happens — a root canal cleans out the damaged nerve inside a tooth; why it is needed, the steps we follow, whether it hurts, and why the tooth usually needs a protective cap over the whole tooth (a crown) afterwards.
• Save It or Take It Out? Root Canal vs. Extraction — how I weigh saving a tooth against removing it, and what tips the decision either way.
• Fluoride and Your Teeth: What It Does and Whether It’s Safe — what fluoride actually does for enamel, an honest look at the safety questions, and how much toothpaste is right at each age.

Extractions

Sometimes the right answer for a painful or damaged tooth is to take it out. This guide covers the decision and the visit itself; the urgent side of extractions — wisdom-tooth infections and dry socket — lives in the Emergency Patient Information library. If dental treatment makes you anxious, tell us before your visit — we work at your pace, explain each step before it happens, and take breaks whenever you need them.

• Having a Tooth Out: What to Expect Before, During and After — the appointment from numbing to healing, what is normal afterwards, and how to care for the space where the tooth was (the socket), including how to avoid a painful complication called dry socket.
• Pericoronitis: Infected Gum Around a Wisdom Tooth — why the gum over a half-erupted wisdom tooth flares up, what settles it, and when the tooth should come out.

Gum health and daily cleaning

Bleeding when you floss is the earliest warning your gums will give you — and the easiest stage of gum disease to reverse. These guides cover the disease itself, the daily cleaning that keeps it away, the bleeding that flags it earliest, and how often a professional cleaning really needs to happen.

• Gum Disease Explained — the difference between bleeding gums (gingivitis) and bone loss (periodontitis), and how treatment works at each stage.
• Brushing, Flossing and Scaling — how to clean your teeth well at home, and why a professional cleaning (scaling) removes the hardened build-up a brush cannot reach.
• Why Your Gums Bleed When You Brush (and When It Matters) — bleeding when you brush is usually the earliest sign of gum inflammation, often reversible with good daily cleaning; when it matters, and how to settle it.
• How Often Do You Really Need a Dental Cleaning? — why the right cleaning interval depends on your own risk rather than a fixed six-month rule, and how it fits with CDCP coverage.

Replacing missing teeth and dentures

A gap in your smile is also a gap in how your whole bite works. Here you will find what happens if you leave the space alone, and what daily life looks like with each way of filling it.

• What Happens If You Don’t Replace a Missing Tooth? — what a gap does to neighbouring teeth over time, and how implants, false teeth anchored to the teeth either side (bridges) and dentures compare.
• Dentures: A Complete Owner’s Guide — fitting, eating, cleaning, repairs and refits (relines): what daily life with dentures is really like.
• Dentures and the Canadian Dental Care Plan — who can make dentures in Ontario, what the CDCP covers, and how often it pays.

Fillings, cracks and sensitivity

Teeth that twinge with cold, heat or biting are trying to tell you something. The question is what: a settling filling, a worn edge, or a crack.

• Why Is My Tooth Sensitive After a Filling? — what is normal in the weeks after a filling, how long it should last, and the signs that mean you should call us.
• Teeth Grinding and Cracked Teeth — how clenching and grinding wear, chip and crack teeth, and what a night guard actually does.

Jaw pain and everything else

Not every problem in the mouth is a tooth problem — the jaw joint has troubles of its own, and it is one of the things I am asked about most. (Mouth ulcers, and the two-week rule for any sore that will not heal, are covered in the Emergency Patient Information library.)

• Jaw Pain and TMJ — trouble in the jaw joint just in front of your ear (the TMJ): why it so often feels like an earache, the home care that settles most flare-ups, and when to be seen.

Coverage and paying for your care

Cost is part of the picture for most people, and a lot of our patients now have federal dental coverage for the first time in years. This guide explains how it works in plain language, without the jargon the letters arrive in.

• The Canadian Dental Care Plan (CDCP), Explained for Barrie Patients — who qualifies, what happens at the visit itself, and which kinds of treatment the plan helps toward.

Questions about your own teeth?

Call us at 705-721-9229 and we will book a time to take a careful look. New patients and emergency examinations can also be booked online. Every mouth is different — none of these guides replaces an examination, and the right plan for you depends on what we find. If you would rather write than phone, send us a message through our contact page and we will get back to you. And if cost is part of the worry, many of our patients now qualify for federal coverage — our guide to the Canadian Dental Care Plan explains who is eligible, and our CDCP page for new patients covers direct billing.