Westlake Dental

Dental crowns — Sterling, Virginia

Dental Crowns in Sterling, VA

A filling replaces the part of a tooth that decay took away. A crown holds together the part that is left. Once a back tooth carries more filling than tooth, every bite starts working like a wedge trying to split it. That is the problem a crown is built to stop.

Walls, not holes

A filling fills a tooth; a crown holds one together

Usually quiet

A cracked back tooth often stops hurting long before it splits

Two appointments

Shaping and a temporary, then the lab crown fitted

The digital X-ray unit at Westlake Dental in Sterling, Virginia

The mechanism, not the sales pitch

Why a large filling eventually splits a back tooth

A filling fills a hole. It does not rejoin the walls.

Picture a molar as a small box: four walls and a floor. The walls are the cusps you chew with. When decay is drilled out, the filling fills the hole — but it does not knit the walls back together. Enamel and dentin are one continuous piece of tooth. A filling sits inside that piece as a separate object.

A bite arrives down a slope, and a slope makes a wedge

The tooth above yours does not land flat on top of your molar. Its cusp drops into the valley between your cusps, onto sloped surfaces. A force arriving down a slope does not stay pointing down: it splits into a downward push and a sideways push. The sideways push is a wedge — the same physics as an axe going into a log.

The flexing starts a crack you never feel

An intact tooth shrugs that off, because the roof of the tooth is one solid piece bracing both walls at once. A tooth with a wide filling no longer has that roof. Each chew flexes the remaining walls outward by a fraction of a hair’s width. You never feel it.

But it happens every time you eat, for years. The flexing starts a crack at the base of the filling, and that crack travels downward a little at a time.

Which is why it breaks on bread, not on ice

These teeth almost never break on something hard. They break on a piece of bread, months after the last twinge. The crack had already done the work. That bite was simply the last one.

What a crown changes

A crown works from the outside in. Instead of filling the valley, it covers the whole chewing surface and wraps down over the walls. The bite lands on the crown, and the crown’s ring of material holds the cusps together rather than letting them spread. That is the entire difference: a filling replaces what is missing, a crown holds together what is left.

01 / FILLING

Fills the hole

  • Replaces the volume decay took out — the tooth’s own walls still carry the bite
  • The right answer while there is plenty of solid tooth on both sides of it
  • Placed and finished at that appointment: no lab step, no temporary
  • Once it spans most of the chewing surface, it is holding the walls apart rather than together
02 / CROWN

Holds the walls

  • Covers the chewing surface and wraps down over the outside of the walls
  • The right answer when a wall is cracked, missing, or thin enough to flex
  • Two appointments with a lab step between them; you leave the first with a temporary crown
  • Standard on a back tooth after a root canal, because the tooth’s internal roof is gone

Sometimes the honest answer is neither. If only one cusp is weak, covering that single cusp (an onlay) leaves more of your own tooth alone. If the question is how a sound front tooth looks rather than whether it will hold, a veneer covers only the front of it. And if a crack has already run under the gum, no crown will hold it. We will say so, and talk about replacing the tooth instead of patching it.

What the exam is actually looking at

Four findings decide this, and you get to hear all four

“You need a crown” is a conclusion. It should always arrive with the reasoning attached. The reasoning is what lets you judge whether to do it now, watch it, or get a second opinion. Here is what Dr. Tarek is reading when he makes that call.

01 / WALL THICKNESS

How much solid tooth is left

The measurement behind most crown recommendations: how much sound wall stands on each side of the old filling, against how wide the tooth is. Thin walls flex. Thick ones don’t.

02 / THE X-RAY

What is underneath the old work

Decay tracks under the edge of an old filling where nothing shows on the surface. The film shows how close it has come to the nerve. That changes whether a crown is the whole plan or only part of it.

03 / YOUR BITE

How hard that tooth gets loaded

A heavy bite, a clenching habit, or worn-flat cusps all load a back tooth far harder than average. Two teeth with identical fillings can need different answers because of what lands on them every night.

04 / HISTORY

What has already happened to it

A tooth that has had a root canal, or has already lost a cusp, has less structure to work with than the X-ray alone suggests. We read the tooth’s history alongside the picture.

Worth mentioning before we start looking

  • A sharp jolt when you let go after biting down, rather than when you press
  • Cold that stings on one particular tooth and takes a moment to settle
  • An ache you can feel but can’t point to precisely
  • A tooth that has felt “different” to chew on since a filling went in

Not every big filling needs replacing today

Plenty of them get watched instead. We record what the tooth looks like now, so next year’s decision is a comparison rather than a fresh guess. You decide on your own timeline. Nothing here runs on pressure.

If a piece has already broken off, or the tooth is aching constantly, that is not a checkup question. Start on the emergency page and call us.

Two appointments, a lab step in between

What the appointments actually look like

A dental laboratory makes your crown from a digital scan of the prepared tooth. That is why this sequence has a gap in the middle, and a temporary crown to carry you across it. Knowing that before you sit down is the point — nobody likes discovering the shape of a treatment halfway through it.

  1. 01

    Exam and X-ray

    The finding, the recommendation, and the reasoning behind it. You get a written estimate before anything is scheduled.

  2. 02

    Shaping

    The tooth is numbed. Old filling and decay come out, and the core is rebuilt first if too little solid tooth is left to hold a crown.

  3. 03

    Scan and temporary

    A digital scan goes to the lab. You leave with a temporary crown cemented in place and your bite checked.

  4. 04

    The lab work

    Usually a couple of weeks. The lab builds the crown to the scan, the shade, and the way your teeth actually meet.

  5. 05

    Fitting

    Temporary off, contacts and bite adjusted until it feels level, then cemented. Tell us later if anything still feels high.

Living with the temporary

It is cemented, not balanced on top of the tooth, and it is shaped to protect what is underneath while the lab works. Chew on it normally. Go easy on very hard and very sticky food on that side. Floss it by sliding the floss out sideways rather than snapping it up. If it comes loose, keep it and call us — that is a quick fix, not a restart.

If the appointment itself is the hard part

Say so when you book. We can slow the pace down, explain each step before it happens rather than during it, and take breaks whenever you want one. We also offer comfort options, including sedation. Which one suits you is a conversation with the dentist at your visit, not a box you tick in advance.

What moves the number on a crown

A crown costs more than a filling and less than removing the tooth and replacing it with an implant. Where a particular tooth lands inside that range is not a mystery, and it is not a negotiation either. Four things move it, and you will see all four written down before anything is scheduled.

How much rebuilding comes first

If there isn’t enough sound tooth left to hold a crown, the core has to be rebuilt before the crown goes on. That is a separate step, and it appears on the estimate as one.

Whether the nerve is involved

A tooth whose nerve is already inflamed needs a root canal handled before a crown goes over it. That is two procedures rather than one, and you hear it before you decide, not partway through.

Which material suits that tooth

A molar absorbing heavy chewing force and a front tooth that has to match its neighbor are not the same problem. The same material does not always solve both.

Your plan, checked against your plan

Dental insurance usually covers a crown at a share rather than in full. What is left over depends on your annual maximum and how much of this year’s you have already spent. Our front desk checks your actual plan before you schedule instead of reading it off the card.

Membership Club

Paying out of pocket without insurance? The Membership Club is built for exactly that. See plans

Treatment can usually be spread into monthly payments. If more than one tooth needs work, we sequence it by what is structurally at risk first rather than doing everything at once. Ask, and you will see the monthly figure before you commit to anything.


The part nobody quotes you

Covering a cracked tooth while it is still whole is a smaller procedure than what comes after it splits. Once a cusp shears off below the gumline, the choices narrow to a root canal and a crown, or removing the tooth and replacing it. That is not a scare tactic. It is the reason we would rather flag a tooth early and let you sit with the decision.

Why guests in Sterling, Ashburn & Potomac come to us with this

A finding you can check, not a verdict you have to take

Crowns are the treatment patients most often suspect they did not really need. Reassurance does not settle that question. What settles it is seeing the wall, the film, and the bite behind the recommendation. And hearing “not yet” when that is the honest answer.

Questions guests ask about crowns

Ready when you are

Bring us the tooth you are not sure about

An exam, an X-ray, and a straight answer on whether that tooth needs covering now, later, or not at all. The numbers are written down before anything is scheduled. If the conversation turns to how the tooth will look, a Smile Reveal is there too.