Stainless steel and zirconia crowns: when a filling is not enough
When a primary tooth has too much decay for a filling to hold or has had a pulpotomy that requires full coverage protection, a pediatric crown restores the tooth's function and structure until the permanent tooth is ready to take its place.
Why we use crowns instead of fillings
A filling restores a cavity by replacing the missing tooth structure. The bond between the filling material and the remaining tooth supports the restoration. When the cavity has destroyed enough of the tooth that the remaining structure cannot reliably support a filling, the choice changes.
The most common scenarios that call for a crown:
- Very large cavities, especially those that wrap around multiple sides of a tooth. A large filling in this situation has poor long-term prognosis because the remaining tooth structure is too weak to hold the filling under normal bite forces.
- After a pulpotomy or pulpectomy, where the nerve tissue inside the tooth has been treated. The treated tooth becomes more brittle and is at higher risk of fracture under chewing forces, so full coverage protection is appropriate.
- Teeth that have already broken or fractured beyond what a filling can repair.
- Teeth in children who have a history of repeated cavities and high cavity risk, where a crown protects the entire tooth surface from further decay better than a filling does.
For primary (baby) teeth, the goal is durability for the few years until the permanent tooth replaces the baby tooth naturally. A pediatric crown achieves that.
How we choose between stainless steel and zirconia crowns
Stainless steel crowns are the traditional pediatric crown. They are pre-formed, silver-colored, and exceptionally durable. They have been the standard for primary teeth for sixty years because they survive the chewing demands and high cavity rates of childhood. The downside is the cosmetic appearance, especially for front teeth or for older children who become self-conscious.
Zirconia crowns are tooth-colored ceramic crowns that look like natural teeth. They are also pre-formed (made in standard pediatric sizes) and are durable enough for primary tooth use. The advantages are cosmetic. The trade-offs are cost, slightly more tooth reduction during preparation, and less flexibility for very small or atypical tooth shapes.
For back teeth where appearance is not a primary concern, stainless steel often makes the most sense: durable, cost-effective, and proven. For front teeth or for older children who care about the appearance, zirconia is usually the better choice. We discuss the choice at the visit.
How a pediatric crown gets placed
- The tooth and surrounding gum are numbed with local anesthetic.
- The tooth is prepared by reducing it slightly on all sides to make room for the crown to fit over it. For stainless steel crowns, the reduction is minimal because the crown can be slightly trimmed and crimped to fit. For zirconia, the reduction is more precise.
- The crown is selected from a range of pre-formed sizes and tried on. Adjustments are made for size and bite.
- The crown is cemented to the prepared tooth with a dental cement.
- The bite is checked and adjusted if needed.
For most children, the full procedure takes thirty to sixty minutes per crown. Multiple crowns in the same quadrant can often be placed together. For children who cannot tolerate the procedure awake, IV sedation allows multiple crowns to be placed in a single visit.
Caring for a pediatric crown
The first day, expect some tenderness around the gum and possibly some sensitivity to cold. Soft foods and avoiding very hot or cold drinks make the first twenty-four hours easier.
After that, normal brushing and flossing apply. The crown itself does not get cavities, but the gum line where the crown meets the natural tooth needs to be kept clean. Skipping flossing in that area can lead to gum inflammation and decay at the crown margin.
Pediatric crowns typically remain in place until the primary tooth falls out naturally as the permanent tooth erupts. The crown comes out with the tooth.
Pediatric crown questions
Why does my child need a crown instead of a filling?
Either the cavity is too large for a filling to hold up under normal bite forces, or the tooth has had a pulpotomy and needs full-coverage protection.
Will my child need anesthesia?
Yes, local anesthetic. For very anxious children or complex cases, IV sedation may be appropriate.
Can I choose between silver and white crowns?
Yes. Stainless steel (silver-colored) is durable and cost-effective. Zirconia (tooth-colored) costs more but matches natural teeth. We discuss the choice at the visit.
How long does a pediatric crown last?
Typically until the primary tooth falls out naturally, which is several years.
Will my child be able to eat normally with a crown?
Yes. Soft foods for the first day, then normal eating.
Is a pediatric crown the same as an adult crown?
Pediatric crowns are pre-formed in standard sizes and designed for primary teeth. Adult crowns are custom-fabricated for permanent teeth and are a more involved procedure.
My child's crown fell off. What do I do?
Save the crown if you have it and call (916) 638-8778. We can usually re-cement the crown if the tooth underneath is still intact.
Considering a crown for your child?
Call (916) 638-8778 to schedule a consultation. We will discuss whether stainless steel or zirconia is the right choice.