Tooth Pain — Causes, Treatment & When to See a Dentist
A toothache is your body telling you something is wrong. The pain might be sharp and sudden, a dull constant throb, or sensitivity that flares up when you eat or drink. Understanding what's behind the pain helps you know how urgently you need care and what to expect at your appointment.
What Causes Tooth Pain?
Tooth pain can have many causes, and the type of pain often points to the source:
Tooth decay (cavities). When bacteria eat through enamel and reach the softer dentin layer, you feel sensitivity to sweets, temperature, and pressure. Left untreated, decay can reach the nerve and cause severe, constant pain.
Cracked or fractured tooth. A crack may cause sharp pain when biting and releasing, especially on hard foods. Cracks can be invisible to the eye but detectable on X-rays or with a bite test.
Tooth infection (abscess). When bacteria reach the pulp (nerve chamber) inside your tooth, an infection develops. This causes throbbing pain that can radiate to your jaw, ear, or neck. You may notice swelling, a bad taste, or a small bump on your gums. Learn more about tooth infections.
Gum disease. Advanced gum disease can cause dull, aching pain around multiple teeth, along with swollen or bleeding gums and loose teeth.
Grinding or clenching (bruxism). Nighttime grinding puts enormous pressure on teeth and can cause widespread soreness, jaw pain, and worn-down enamel that leads to sensitivity.
Damaged or lost filling. An old filling that cracks or falls out exposes the sensitive inner tooth, causing sudden sensitivity or pain.
Wisdom teeth. Impacted or partially erupted wisdom teeth can cause pain in the back of your jaw, swelling, and difficulty opening your mouth.
When Should You See a Dentist for Tooth Pain?
See a dentist within 1-2 days for mild sensitivity to hot or cold that fades quickly, occasional discomfort when chewing, or a tooth that feels "off" but doesn't hurt constantly.
See a dentist the same day (emergency) for severe pain that doesn't respond to ibuprofen, swelling in your face, jaw, or under your chin, fever or chills along with tooth pain, a foul taste or pus draining near a tooth, difficulty opening your mouth or swallowing, or pain after a blow to the face.
Summit Ridge Dental offers same-day emergency appointments at all three locations. Call (480) 555-7100 and describe your symptoms — we'll get you in as soon as possible.
How We Diagnose and Treat Tooth Pain
At your appointment, your dentist will examine the painful area, take X-rays, and may perform tests like a bite test, cold test, or percussion test to identify the exact source.
For cavities: A filling restores the tooth if the decay hasn't reached the nerve. If decay has penetrated the pulp, a root canal may be needed.
For cracked teeth: A dental crown reinforces the tooth and prevents the crack from spreading. Severe cracks that extend below the gumline may require extraction.
For infections: A root canal removes the infected tissue and saves the tooth in most cases. If the infection is severe, antibiotics may be prescribed first to bring the acute infection under control.
For gum disease: Periodontal treatment including deep cleaning (scaling and root planing) addresses the bacterial buildup causing gum inflammation and pain.
What to Do for Tooth Pain at Home
These measures can provide temporary relief while you wait for your dental appointment:
Take ibuprofen (Advil) — it reduces both pain and inflammation. Follow the dosage on the label. Acetaminophen (Tylenol) helps with pain but doesn't address swelling.
Apply a cold compress to the outside of your cheek — 15 minutes on, 15 minutes off. Don't apply ice directly to the tooth.
Rinse with warm salt water (half a teaspoon of salt in 8 ounces of warm water). This helps reduce bacteria and soothe irritated gums.
Avoid triggers — stay away from very hot, very cold, sweet, or acidic foods and drinks. Chew on the opposite side of your mouth.
How to Prevent Tooth Pain
Regular cleanings and exams catch problems early — before they become painful. Most issues that cause toothaches start small and are easily treated when found during routine visits. Schedule your cleaning.
Brush twice daily and floss once daily. This removes the bacteria that cause both cavities and gum disease.
Wear a nightguard if you grind your teeth. Grinding is one of the most common causes of tooth pain that patients don't realize.
Don't chew hard objects like ice, popcorn kernels, hard candy, or pen caps. These can crack teeth without warning.
Frequently Asked Questions
Pain when biting usually indicates a cracked tooth, a failing filling, or an abscess forming at the root. If the pain is sharp and localized to one tooth, see your dentist promptly — cracks can worsen quickly.
Seek emergency care if you have severe pain that doesn't respond to over-the-counter medication, swelling in your face or jaw, fever, a bad taste from drainage around a tooth, or difficulty opening your mouth or swallowing.
Mild sensitivity may resolve, but a true toothache from decay, infection, or a crack will not heal without treatment. If severe pain stops suddenly, the nerve may have died — which requires more urgent care, not less.
Take ibuprofen for pain and inflammation. Apply a cold compress to your cheek. Rinse with warm salt water. Avoid hot, cold, or sweet foods. See your dentist as soon as possible — home remedies are temporary.
Tooth Pain? Don't Wait — Call Now.
Summit Ridge Dental offers same-day emergency appointments at all three locations. Call now and we'll get you out of pain fast.