Not every cavity needs drilling. In some cases, tooth decay can be managed using a minimally invasive technique called SMART, which stands for Silver Modified Atraumatic Restorative Treatment.
SMART is designed to stop tooth decay while preserving as much healthy tooth structure as possible, making it an excellent option for many children, older adults, and anxious patients.
What is SMART?
SMART combines two proven treatments:
- Silver Diamine Fluoride (SDF) – a liquid that helps stop the bacteria causing tooth decay and hardens the softened tooth structure.
- Glass Ionomer Cement (GIC) – a tooth-coloured filling material that seals the cavity, restores the tooth, and slowly releases fluoride to help protect against future decay.
Together, these materials can arrest decay and restore the tooth without the need for extensive drilling in many cases.
What Are the Advantages?
SMART offers several benefits:
- Usually little or no drilling.
- Often no need for local anaesthetic (needles).
- Preserves more healthy tooth structure.
- Helps stop active tooth decay.
- Releases fluoride to strengthen the tooth.
- Can be completed quickly, making it ideal for young children or patients who struggle with lengthy appointments.
- A useful option for people with medical conditions or limited access to traditional dental treatment.
Who Is SMART Best Suited For?
SMART may be recommended for:
- Children with baby teeth.
- Patients who are anxious about dental treatment.
- Older adults, especially those with root surface decay.
- Patients with special needs or medical conditions that make conventional treatment difficult.
- Small to moderate cavities where the tooth can still be restored successfully.
Your dentist will determine whether SMART is appropriate based on the size and location of the cavity.
Are There Any Disadvantages?
The main drawback is that Silver Diamine Fluoride permanently stains the decayed part of the tooth black. This staining is actually a sign that the decay has been successfully arrested, but it may not be suitable for highly visible front teeth.
SMART is also not appropriate for every cavity. Teeth with severe decay, infection, or nerve involvement may still require conventional fillings, root canal treatment, or extraction.
The Bottom Line
SMART is an effective, evidence-based treatment that allows many cavities to be managed with minimal drilling while preserving healthy tooth structure. It is particularly valuable for children, older adults, and patients who prefer a gentler approach to dental care.
At Dural Dental Practice, we believe in choosing the most conservative treatment whenever possible. If you or your child has tooth decay, we’ll discuss all suitable options—including SMART—to help you make an informed decision and keep your smile healthy for years to come.



