Emergency During Clinic Hours

Phone the office at 514-844-3112 and the receptionist will help you to see the dentist.


After Hours / Dental Emergency

Phone 514-835-3063 and you will be transferred to Dr. Seminara. Please leave a message with your name, time you called, a telephone number where you can be reached and the nature of the dental emergency. Dr. Seminara will return your call as soon as possible and either help you over the phone, see you at the office, or refer you to a local colleague.


Emergency Information

You may encounter problems with your teeth and mouth. The information below will help you determine the action you should take. Some dental problems are emergencies, requiring immediate attention, others are less urgent. All of these situations require that you see your dentist soon, if not immediately.

Tooth Knocked Out or Displaced

This is a dental emergency. See a dentist as soon as possible
If it is knocked out, try to put the tooth back in place or hold it between the lip and the teeth. Contact your dentist.
If you cannot hold the tooth in place, keep the tooth in a container of milk. If milk isn’t available, use water. Do not handle the tooth unnecessarily.

Acute Jaw Injury

If you have suffered a trauma to your jaw or face, and you cannot move your jaw or it hurts when you close your mouth normally, your jaw may be broken, fractured or dislocated.

Go to the closest hospital emergency room and contact your dentist.


There are many possible reasons for a toothache – do not ignore tooth pain. It will often worsen and become more difficult to treat.

See your local dentist as soon as possible or the following day.
Tylenol or aspirin may alleviate pain.
Do not use ice.
Do not place aspirin on the tooth.

Broken Tooth

Broken or fractured teeth range from mild to severe.

Minor Fracture:

Make a dental appointment, as your dentist can smooth the broken part, but this is not a dental emergency.

Moderate Fracture:

Includes damage to enamel, dentin and pulp. See your dentist as soon as possible. You may place a piece of soft wax on the damaged tooth for your comfort

Severe Fracture:

This is a dental emergency. See your dentist immediately. If you can apply soft wax, do it,


Mouth Sores

This is not a dental emergency.

Apply an over the counter treatment such as Oragel or ask your pharmacist for an appropriate product.
If sores persist more than 2 weeks, call the office.


Broken Braces or Wires

This is not a dental emergency

If you can easily remove the appliance, remove it.
If you cannot remove the appliance easily, cover any sharp or protruding pieces with cotton or wax, don’t try to remove it.
See the dentist or orthodontist soon.

Broken Denture, Partial or Plate

This is not a dental emergency.

Bring all pieces with you when you see the dentist as soon as you can.
Do not attempt to glue the appliance together yourself.