Last Updated on 3週間 ago by prebeau

Article 38 UR

Breaking a tooth or losing a filling while traveling can be alarming—especially when you are only in Tokyo for a few days and do not know whether the problem can wait until you return home.

The right response depends on what actually happened.

A small chipped tooth with no pain may require a very different approach from a deep fracture, a lost restoration with significant sensitivity, or a tooth that broke after an accident.

The most important step is therefore not to guess the treatment you need.

A broken tooth or lost filling should first be evaluated to determine how much tooth structure remains, whether the dental pulp may be involved, whether the tooth can be restored, and whether treatment can realistically be completed during your stay in Japan.

At PreBeau Oral Care in Akasaka, Tokyo, international patients can discuss symptoms, examination findings, treatment options, expected fees and their travel schedule directly with the dentist in English.

For broader information about dental care for international visitors and residents, see our English-speaking dentist in Tokyo guide.

Quick Answer: What Should I Do If a Tooth Breaks While I Am in Tokyo?

If you break a tooth or lose a filling while visiting Tokyo:

1. Keep any broken piece if you can find it.
2. Avoid chewing hard foods on the affected side.
3. Contact a dentist as soon as reasonably possible.
4. Tell the clinic whether you have pain, sensitivity, swelling or bleeding.
5. Explain whether the problem happened spontaneously or after an accident.
6. Tell the dentist when you are leaving Japan.
7. Bring information about previous treatment to the tooth if available.
8. Do not try to permanently repair the tooth yourself.
9. Seek urgent medical or dental care if the injury is severe or associated with major trauma, uncontrolled bleeding or other serious symptoms.

Even if definitive treatment cannot be completed before you leave Japan, a dentist may still be able to assess the damage, reduce discomfort, protect the tooth temporarily or explain what treatment should be continued after you return home.

Is a Broken Tooth Always a Dental Emergency?

Not every broken tooth is an immediate emergency, but the severity cannot always be judged from appearance alone.

A fracture may involve:

• Only the outer enamel
• Enamel and dentin
• An old filling
• A dental crown
• A large portion of the tooth
• The dental pulp
• The root of the tooth
• The surrounding gum or bone

Some small chips cause little or no pain.

Other fractures expose deeper tooth structure and may cause sensitivity to:

• Cold
• Heat
• Air
• Sweet foods
• Biting pressure

A deeper fracture may also affect the nerve inside the tooth.

For this reason, a broken tooth that looks relatively minor may still benefit from professional assessment.

What If My Filling Falls Out?

A lost filling can leave the underlying tooth exposed.

You may notice:

• A hole or rough area in the tooth
• Increased sensitivity
• Food becoming trapped
• Discomfort when chewing
• A sharp edge
• Pain when biting
• No symptoms at all

The correct treatment depends on why the filling was lost.

Possible reasons can include:

• Wear or deterioration of the restoration
• Decay around or beneath the filling
• Fracture of the remaining tooth
• Excessive biting forces
• Trauma
• Failure of the bond between the filling and tooth

Because the cause matters, replacing a filling is not always as simple as placing new material into the same space.

The dentist first needs to assess the condition of the remaining tooth.

Can a Dentist Simply Replace the Filling?

Sometimes.

If the remaining tooth structure is healthy and suitable for restoration, replacement may be relatively straightforward.

In other situations, the dentist may find:

• Additional tooth decay
• A crack or fracture
• Insufficient remaining tooth structure
• Pulpal involvement
• Problems with the bite
• Previous root canal treatment
• Damage extending below the gumline

These findings can change the treatment plan.

A tourist who is leaving Tokyo soon may also require a different approach from a patient who can return for several appointments.

The goal should be to choose treatment based on the condition of the tooth—not simply to replace whatever restoration was there before.

What If Part of My Tooth Broke Off?

If a piece of your natural tooth breaks off, keep the fragment if you can safely find it.

Place it in a clean container and bring it to your appointment.

Do not attempt to glue the fragment back onto the tooth yourself.

Also avoid household adhesives or products that are not designed for dental use.

Until you are examined:

• Avoid chewing on the affected tooth
• Avoid very hard foods
• Be cautious with extremely hot or cold foods if the tooth is sensitive
• Keep the area reasonably clean
• Contact a dental clinic for assessment

A dentist can then determine the depth and extent of the fracture and whether the tooth can be restored.

What If My Crown Comes Off?

A crown that becomes loose or falls off should also be evaluated.

The dentist will need to assess:

• The tooth underneath the crown
• Whether the crown is damaged
• Whether the tooth has developed decay
• Whether the underlying core or foundation is intact
• Whether there is a fracture
• Whether the existing crown can be safely reused
• Whether temporary treatment is more appropriate

Do not force a loose crown back onto the tooth.

Do not use household glue.

If you still have the crown, keep it and bring it to the dental appointment.

What If the Tooth Broke Because of an Accident?

Dental trauma requires particular attention.

Tell the dentist exactly how the injury occurred.

Examples include:

• Falling
• Sports injuries
• Collision with an object
• Bicycle accidents
• Traffic accidents
• Being struck in the mouth
• Biting unexpectedly on a hard object

Trauma can affect more than the visible part of the tooth.

Depending on the injury, there may also be damage to:

• The tooth root
• Dental pulp
• Gum
• Supporting bone
• Adjacent teeth
• Lips or soft tissues

If the injury involves significant facial trauma, heavy bleeding, loss of consciousness, difficulty breathing or another potentially serious medical problem, urgent medical assessment may be necessary.

What If I Have No Pain?

The absence of pain does not necessarily mean that no treatment is required.

Some fractures initially cause little or no discomfort.

However, the exposed tooth may still be vulnerable to:

• Further fracture
• Food accumulation
• Sensitivity
• Bacterial contamination
• Progression of an underlying problem

If a substantial part of the tooth or restoration has broken, assessment is generally advisable even if the tooth does not currently hurt.

What If the Broken Tooth Is Painful?

Pain can indicate that deeper tooth structures are involved, but symptoms alone cannot determine the exact diagnosis.

Tell the dentist:

• Whether the pain is spontaneous
• Whether cold causes pain
• Whether heat causes pain
• Whether biting hurts
• Whether the tooth feels high when you close your teeth
• Whether the pain persists after a stimulus
• Whether the pain wakes you at night
• Whether swelling is present
• Whether symptoms are becoming worse

A painful broken tooth may require a different level of treatment from a simple enamel chip.

For more information about dental pain while traveling, see Toothache While Visiting Tokyo: What Should a Tourist Do?.

Can a Broken Tooth Be Fixed in One Visit?

Sometimes.

A relatively simple restoration may be possible during one appointment when clinically appropriate.

However, more complex damage may require:

• Diagnostic X-rays
• Pulp testing
• Temporary restoration
• Definitive filling treatment
• Root canal treatment
• Crown treatment
• Extraction
• Specialist referral
• Laboratory work
• Multiple appointments

The exact treatment cannot be predicted before the tooth is examined.

For a traveler, the remaining time in Tokyo is also important.

If you are leaving Japan soon, tell the dentist your departure date before treatment planning.

For a broader explanation, see what dental treatment can realistically be completed during a short stay in Tokyo.

Can I Get a Temporary Repair Before Flying Home?

In some cases, temporary stabilization may be appropriate.

The purpose may be to:

• Protect exposed tooth structure
• Reduce sensitivity
• Prevent food from packing into the area
• Improve comfort
• Reduce the risk of further damage
• Provide time until definitive treatment can be completed at home

However, temporary treatment is not suitable for every fracture.

The dentist first needs to determine whether temporary restoration is safe and clinically reasonable.

A temporary repair should also not be mistaken for definitive treatment if further care is required.

Can I Buy a Temporary Filling Material at a Pharmacy?

Temporary dental repair materials are sometimes available commercially in some countries, but self-repair should not replace professional assessment.

Placing material into a tooth without knowing what caused the restoration to fail may:

• Mask an underlying problem
• Trap debris
• Interfere with the bite
• Make the area difficult to clean
• Delay necessary dental treatment

If you are unable to see a dentist immediately, avoid aggressive self-treatment and arrange professional evaluation as soon as reasonably possible.

What If My Tooth Has a Sharp Edge?

A fractured tooth or broken filling may leave an edge that irritates the tongue, cheek or lip.

Try to avoid repeatedly touching the sharp surface with your tongue.

A dentist may be able to smooth or protect the area depending on the clinical situation.

Do not use household tools to file the tooth yourself.

Should I Avoid Eating on the Broken Tooth?

Yes, until the tooth has been assessed, it is generally reasonable to avoid unnecessary pressure on the affected area.

Choose foods that are easier to chew and avoid:

• Hard candy
• Ice
• Nuts
• Very hard bread crusts
• Foods requiring strong biting pressure

If the tooth is sensitive, you may also prefer to avoid extreme temperatures.

These measures do not repair the tooth, but they may reduce the chance of further damage before your appointment.

What Information Should I Send When Booking?

When contacting a dentist, include as much useful information as possible.

For example:

• Your full name
• Date of birth
• Which tooth or area is affected
• What happened
• When it happened
• Whether part of the tooth broke
• Whether a filling or crown came out
• Whether you still have the broken piece or crown
• Whether there is pain
• Whether there is cold sensitivity
• Whether biting hurts
• Whether there is swelling or bleeding
• Whether the tooth had previous treatment
• Relevant medical conditions
• Medications
• Allergies
• Your date of departure from Japan

If the problem is visible, you may also send a clear photograph.

A photo can help with preliminary communication, but it cannot determine the full extent of the damage.

Can Tourists See a Dentist in Tokyo Without Japanese Health Insurance?

Yes.

International visitors can attend a private self-pay dental clinic even if they are not enrolled in Japanese National Health Insurance.

PreBeau Oral Care is a fully private, self-pay clinic.

For a detailed explanation, see Going to the Dentist in Japan Without Japanese Health Insurance.

If you are also traveling without private travel insurance, read Can I See a Dentist in Tokyo Without Travel Insurance?.

Can Travel Insurance Reimburse Treatment for a Broken Tooth?

Possibly.

Coverage depends on the policy and the cause of the dental problem.

For example, some policies may distinguish between:

• Dental injury caused by an accident
• Unexpected emergency dental treatment
• Pre-existing dental disease
• Routine restorative care
• Elective treatment

The clinic cannot determine whether your insurance company will approve reimbursement.

If you have travel insurance, contact your insurer and ask about:

• Emergency dental benefits
• Accident-related dental coverage
• Preauthorization
• Maximum reimbursement
• Required receipts
• Dentist reports
• Claim forms
• Documentation in English

For more detail, see Can Travel Insurance Reimburse Dental Treatment in Japan?.

What If I Am Leaving Japan Tomorrow?

Tell the dentist immediately.

Your departure date can affect the treatment plan.

The dentist may need to consider:

• Whether treatment can safely be completed
• Whether follow-up is required
• Whether temporary stabilization is appropriate
• Whether definitive care should be completed after returning home
• Whether records or imaging should be provided for your next dentist

The fastest possible treatment is not automatically the most appropriate treatment.

A short travel schedule should be incorporated into clinical planning rather than overriding it.

Can You Provide Information for My Dentist at Home?

When appropriate, information from your visit can help your next dentist understand what was found and what care was provided.

Depending on the case, this may include:

• Diagnosis
• Treatment performed
• Dental images
• Clinical findings
• Recommended follow-up

If you know that you will need continuing treatment after leaving Japan, mention this during the appointment.

Dental Care for International Visitors at PreBeau Oral Care

PreBeau Oral Care is located in Akasaka, Minato City, central Tokyo.

International patients can communicate directly with Dr. Kuniyasu Mori in English regarding:

• Broken teeth
• Lost fillings
• Loose or lost restorations
• Dental pain
• Tooth sensitivity
• Urgent dental concerns
• Travel schedules
• Treatment options
• Expected fees
• Follow-up requirements
• Private insurance documentation
• Referral when treatment is outside our scope

Depending on the clinical findings, treatment may include examination, diagnostic assessment, conservative stabilization or other appropriate care.

If a case requires treatment that cannot reasonably be completed at our clinic or within the patient’s travel schedule, we can explain the situation and discuss appropriate next steps.

For complete clinic information, visit English-Speaking Dentist in Tokyo | PreBeau Oral Care.

How to Contact Us If You Break a Tooth in Tokyo

If a tooth, filling or crown breaks while you are visiting Tokyo, contact us with a brief description of what happened.

Official WhatsApp: +81-70-2287-4442
Telephone: +81-3-6821-7481
English Email: prebeau.oc@gmail.com

Please include:

• Your name
• Date of birth
• A photo if the problem is visible
• Whether the tooth hurts
• Whether the tooth is sensitive
• Whether there is swelling or bleeding
• Whether a filling or crown came out
• Whether you still have the broken piece or restoration
• How the injury happened
• Relevant medical conditions or allergies
• Your departure date from Japan

For booking guidance, see How to Book a Dentist in Tokyo in English.

Frequently Asked Questions

Can a tourist get a broken tooth treated in Tokyo?

Yes. International visitors can seek private dental care in Tokyo. The dentist will first examine the tooth and determine how much damage has occurred before recommending treatment.

Can a lost filling be replaced during one appointment?

Sometimes. If the remaining tooth is healthy and suitable for restoration, treatment may be relatively straightforward. However, decay, cracks, pulp involvement or insufficient remaining tooth structure may require a different approach.

What should I do if part of my tooth breaks off?

Keep the broken piece if you can find it, avoid chewing on the affected tooth and arrange a dental examination. Do not attempt to glue the fragment back onto the tooth yourself.

What should I do if my crown falls off while traveling?

Keep the crown and bring it to the dental appointment. Do not use household glue or force the crown back onto the tooth. The dentist needs to evaluate both the crown and the tooth underneath it.

Is a broken tooth an emergency if it does not hurt?

Not necessarily an immediate emergency, but lack of pain does not guarantee that the tooth is unharmed. Significant fractures or lost restorations should generally be assessed because deeper damage may not always cause immediate symptoms.

Can a dentist make a temporary repair if I am leaving Japan soon?

Possibly. Temporary stabilization may be appropriate in some cases when definitive treatment cannot reasonably be completed during the patient’s remaining time in Japan. The decision depends on the condition of the tooth.

Should I use temporary filling material from a pharmacy?

Commercial temporary materials should not replace professional assessment. A lost filling may be associated with decay, fracture or another underlying problem that cannot be diagnosed by simply covering the area.

Can travel insurance pay for a broken tooth in Japan?

Some policies may provide coverage for accidental dental injury or unexpected emergency dental treatment, but coverage varies. Patients should confirm the terms directly with their insurance company.

Can I see a dentist in Tokyo without Japanese health insurance?

Yes. A visitor can attend a private self-pay dental clinic without Japanese National Health Insurance. Treatment fees are paid privately.

Related Guides

English-Speaking Dentist in Tokyo: International Patient Guide

Toothache While Visiting Tokyo: What Should a Tourist Do?

Visiting a Dentist in Tokyo as a Tourist: What to Know Before Your Appointment

What Dental Treatments Can You Realistically Have During a Short Stay in Tokyo?

Going to the Dentist in Japan Without Japanese Health Insurance

What Should I Bring to a Dental Appointment in Japan?

How to Book a Dentist in Tokyo in English

Can I See a Dentist in Tokyo Without Travel Insurance?

Can Travel Insurance Reimburse Dental Treatment in Japan?

Important Medical Note

The information in this article is intended for general educational purposes.

A photograph, description of symptoms or online message cannot determine the full extent of a dental fracture.

Diagnosis and treatment planning may require an in-person examination, clinical testing and dental imaging.

Severe facial trauma, difficulty breathing or swallowing, uncontrolled significant bleeding or other potentially serious medical symptoms require appropriate urgent medical care.

Written and Medically Reviewed By

Kuniyasu Mori, DDS
Director, PreBeau Oral Care

Dr. Kuniyasu Mori completed undergraduate studies in Physiology at the University of Washington and graduated from Osaka University School of Dentistry.

His postgraduate experience includes Periodontics and Oral Medicine at the University of Michigan and clinical residency training in the UCLA Surgical Implant Program.

He is a Fellow of the International Congress of Oral Implantologists (ICOI) and an active member of the Academy of Osseointegration.

At PreBeau Oral Care in Tokyo, Dr. Mori provides English-language care for international patients, including preventive dentistry, medical teeth whitening, minimally invasive white spot treatment and assessment of urgent dental concerns.

For clinic information, services, current fees, access and booking information, visit English-Speaking Dentist in Tokyo | PreBeau Oral Care.