
Knocked-Out or Broken Tooth? What to Do in the First Hour | Dr. Ryan Walsh, Endodontist
July 9, 2025 · 71 min
Your child's tooth just got knocked out.
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Your child's tooth just got knocked out. What do you do? Find the tooth, rinse it with milk or saliva, and gently put it back in the socket if you can. If you can't, keep it moist and get to a dentist within the hour. Endodontist Dr. Ryan Walsh explains what to do in the first few minutes, when a broken tooth is a "right now" problem, whether to go to the ER or the dentist, and what to watch for in the months and years after.
In this video:
- What to do first when a tooth gets knocked out
- Milk, saliva or a Save-a-Tooth kit: how to keep the tooth alive
- Why you should send your dentist a picture
- A pink or bleeding spot on a broken tooth means go now
- Can your child still bite together? Why it matters
- ER or dentist: where to go after a mouth injury
- What healing looks like over the next 3 to 6 months
- Are root canals safe? An endodontist answers
- How dentists test whether an injured tooth is still alive
- Resorption, and why you should tell every future dentist about an old injury
- Why 3D X-rays (CBCT) matter after an accident
General information, not medical advice. Talk to your own dentist about your care.
Dr. Ryan Walsh is an endodontist (root canal specialist) in Keller, Texas. He graduated from the University of Iowa College of Dentistry and completed his endodontics residency at Baylor in Dallas.
Chapters:
0:00 Intro
4:47 Why insurance rules keep changing
11:02 Meet Dr. Ryan Walsh
12:51 Why a root canal specialist handles dental injuries
14:30 A face swollen "like a softball"
16:42 A tooth gets knocked out: what to do first
19:12 Send your dentist a picture
20:24 Bleeding from the tooth? Go now
22:26 Save-a-Tooth kit, milk or saliva
25:29 It always looks worse than it is
27:36 Can your child still bite together?
30:55 How the dentist holds the tooth in place
33:15 ER or dentist?
39:03 Why dentists answer the phone after hours
43:14 What to expect in the months after
46:53 Are root canals safe?
52:59 Is the tooth still alive? Vitality testing
56:35 Why injured teeth can act up years later
58:24 What is resorption?
1:01:20 Why 3D X-rays matter after an injury
1:06:09 Closing
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