A temporary tooth filling is a short-term solution for dental issues requiring protection until a permanent filling or another restoration is placed. These fillings are commonly used after a root canal, as part of emergency treatment, or when a dentist needs to assess a tooth’s condition before finalising a permanent solution.
Although temporary dental fillings are not meant to last indefinitely, they are essential in preserving the affected tooth, preventing further damage, and ensuring a comfortable transition to long-term restoration.
What Is a Temporary Tooth Filling?
A temporary filling is a type of dental filling that is designed to provide short-term protection. Unlike permanent fillings, which are made from highly durable materials, a temporary tooth filling is formulated to be easily removed at a later date.
The key purpose of a temporary dental filling is to act as an interim measure, sealing the affected area and maintaining the structure of the damaged tooth while waiting for a more permanent solution.
Characteristics of Temporary Fillings
- They provide a protective barrier for a few weeks to a few months.
- They are made of materials that harden but are still easily removed.
- They are not as strong or long-lasting as permanent fillings.
- They help prevent further tooth decay, infection, or pain.
Why Would You Need a Temporary Filling?
A temporary dental filling may be recommended when a permanent filling or other restoration cannot be placed immediately.
1. After a Root Canal Procedure
- A root canal involves removing infected tissue from inside a damaged tooth.
- The tooth requires healing time before a permanent crown or filling is placed.
- A temporary filling ensures that bacteria and debris do not enter the treated area.
2. As an Emergency Treatment for a Damaged or Decayed Tooth
- If a filling falls out, the tooth may become sensitive and vulnerable to further decay.
- A temporary solution helps protect the cavity prior to a permanent solution.
- A temporary filling can be used in dental emergencies to provide pain relief and prevent further complications.
3. To Seal Inlay Preparations and Support Temporary Crowns
- Some treatments, like inlays, onlays, and crowns, require multiple visits.
- A temporary filling is placed to seal inlay preparations while waiting for the permanent restoration.
- Temporary crowns are used when a permanent crown is not yet ready.
4. To Allow Time for Further Assessment
- In some cases, a dentist may need to monitor how a tooth responds to treatment before placing a permanent filling.
- A temporary solution allows time to determine the best course of action.
What Are Temporary Fillings Made Of?
- Zinc oxide eugenol: A common filling agent that contains soothing properties and reduces discomfort.
- Cavit: A soft material that hardens when it comes into contact with saliva. It is frequently used after root canal treatments.
- Glass ionomer cement: Releases fluoride, which helps prevent tooth decay while providing adequate strength for short-term use.
These materials are designed to last for a few weeks to a few months, providing temporary protection until a permanent filling is placed.
How Is a Temporary Filling Placed?
The placement of a temporary dental filling is a straightforward procedure that can be done in just one appointment.
1. Preparation of the Tooth
- The dentist administers anaesthesia to the affected area to ensure comfort.
- The cavity is cleaned, and any decayed or damaged tooth structure is removed.
2. Placement of the Filling Material
- The filling material is placed directly into the cavity.
- A filling instrument provided by the dentist helps to shape and set the temporary filling material.
- The temporary filling material hardens within a few hours.
3. Final Adjustments
- The dentist checks the bite to ensure that the filling does not interfere with chewing.
- Patients should avoid chewing on the temporary filling for the first few hours.
- A follow-up appointment is arranged for a permanent solution.
Caring for a Temporary Tooth Filling
Although temporary dental fillings are not permanent, proper care can help them last longer and protect your tooth effectively.
1. Brush Gently
- Use a soft-bristled toothbrush to prevent damaging the filling material.
2. Floss Carefully
- Avoid pulling the floss up and down when flossing near the temporary filling. Instead, gently pull it out from the side.
3. Avoid Hard, Crunchy, or Sticky Foods
- Hard foods like nuts and ice can cause the temporary filling to fall out.
- Sticky foods like caramel and chewing gum can dislodge the filling.
4. Be Mindful of Sensitivity
- Since temporary fillings do not provide the same level of insulation as permanent ones, you may experience some sensitivity to hot and cold foods.
What Happens If a Temporary Filling Falls Out?
If your temporary dental filling falls out before your next appointment, contact your dentist immediately. Leaving a tooth exposed can result in the following:
- Further decay or infection.
- Increased sensitivity and pain.
- Complications with future dental treatments.
What to Do Until You See a Dentist
- Maintain cleanliness in the affected area by brushing with a gentle touch.
- Avoid chewing on that side of your mouth.
- Use over-the-counter dental cement as a temporary solution if needed.
How Long Does a Temporary Filling Last?
A temporary filling is designed to last a few weeks to a few months, depending on the material used and how well it is cared for. While it provides short-term protection, it is not as durable as a permanent filling and should be replaced as soon as possible.
Factors That Affect How Long a Temporary Filling Lasts
- Type of Material Used
- Zinc oxide eugenol: It lasts a few weeks but can wear down quickly.
- Cavit: Hardens with saliva and lasts a few weeks to a month.
- Glass ionomer cement: More durable and may last a couple of months.
- Location of the Filling
- Fillings in back teeth wear down faster due to chewing pressure.
- Front teeth fillings may last longer if not exposed to excessive force.
- Oral Habits & Care
- Avoid chewing on the side with the temporary filling.
- Brush gently and floss carefully to prevent dislodging it.
- Avoid hard, sticky, or crunchy foods that can loosen the filling.
- Dental Condition & Treatment Plan
- If used after a root canal, it may need replacing within a few weeks.
- If placed as an emergency solution, it should be replaced as soon as possible.
What Happens If a Temporary Filling Is Left Too Long?
- Filling wears down, exposing the tooth to decay and infection.
- Increased sensitivity and pain.
- Potential need for more complex treatments (e.g., a root canal or extraction).
Temporary Filling vs Permanent Filling
- Longevity: Temporary fillings last only a few weeks to a few months, while permanent fillings can last several years.
- Strength: Temporary fillings provide only a temporary solution, whereas permanent fillings offer adequate strength for long-term chewing.
- Material: Temporary fillings are made from softer materials that can be easily removed, while permanent fillings are more durable.
- Purpose: A temporary filling is used as a short-term protective measure, while a permanent filling is a long-term restoration.
Final Thoughts
A temporary dental filling plays a crucial role in protecting a damaged tooth before a permanent solution is applied. Whether it’s after a root canal, as part of an emergency treatment, or to seal inlay preparations, a temporary filling provides a vital safeguard for your oral health.
To ensure the best outcome, follow your dentist’s instructions, avoid chewing on the affected tooth, and attend your follow-up appointment for your permanent filling or permanent crown. If you experience pain, sensitivity, or a lost filling, schedule an appointment with MyHM Dentist at (02) 9158 6379.
Note: Any surgical or invasive procedure carries risks. Before proceeding, you should seek a second opinion from an appropriately qualified health practitioner.
References
Healthline. (n.d.). Temporary filling: What to expect. Retrieved from https://www.healthline.com/health/temporary-filling
Medical News Today. (n.d.). Root Canal Treatment: What to expect, types, and potential problems. Retrieved from https://www.medicalnewstoday.com/articles/142780
WebMD. (n.d.). Dental fillings: What to expect, types, and procedure. Retrieved from https://www.webmd.com/oral-health/dental-health-fillings
