When we tell a patient a tooth needs a crown, the reasonable next question is why a filling will not do the job. They both repair damage, they both look like a tooth when finished, and one is noticeably cheaper. The honest difference comes down to how much healthy tooth is left to work with.
A filling rebuilds, a crown protects
A filling replaces the part of the tooth that decay removed. The remaining walls of the tooth still do the work of chewing, and the filling material simply fills the gap. That works well when the cavity is small to moderate and the tooth still has solid structure around it.
A crown does something different. It covers the entire tooth above the gumline and takes the chewing forces onto itself, holding everything underneath together. That matters when the tooth can no longer be trusted to hold up on its own.
When a filling is the right call
For most cavities caught at a routine exam, a white composite filling is the appropriate treatment. It preserves more natural tooth, takes one visit, and costs considerably less. This is one of the strongest arguments for keeping up with six-month visits: decay found early is almost always a filling, and decay found late is often not.
When a crown is the right call
We generally recommend a crown when the tooth has a crack running through it, when a cusp has already broken off, when so much structure is gone that a filling would have more bulk than tooth around it, or after a root canal on a back tooth. Root-canaled molars become brittle and are prone to splitting under normal chewing, and a split tooth usually cannot be saved.
There is a version of this decision that costs people their tooth. A very large filling in a molar can work for a while, then flex under years of chewing until the tooth fractures below the gumline. At that point a crown is no longer an option and an extraction is. That is the outcome we are trying to avoid when we suggest a crown on a tooth that does not hurt yet.
What about cost
A crown does cost more than a filling up front, and there is no getting around that. What is worth weighing is the cost of the alternative path: a failed large filling often leads to a crown anyway, or to a root canal, or to an extraction and tooth replacement, which is the most expensive road of the three.
If cost is the deciding factor, say so plainly and we will work with it. Our membership plan includes 20% off most procedures for patients without insurance, and we offer Cherry and CareCredit financing so treatment can be spread over time rather than paid all at once.
How we decide together
We will show you the X-ray and the intraoral photo of your own tooth and explain what we are seeing. If it is genuinely a close call, we will tell you that too, along with what we would watch for and how long it is reasonable to wait. You should never leave an appointment unclear on why a treatment was recommended.
Serving Leesburg, The Villages, Fruitland Park, Tavares, and Lake County. Book an exam or call (352) 326-4404, and see our full crowns, bridges and root canals page for more.