A stainless steel crown is a prefabricated metal cap, fitted in a single appointment. It is not what anyone would choose for appearance, and it is used where durability and speed matter more.
A pre-formed metal cap, made in graded sizes, fitted straight to a tooth in one appointment with no laboratory stage.
The short answer. Stainless steel crowns are cheap, quick and extremely durable, and they are obviously metal. They are used on children's back teeth and as a robust holding measure on adult molars where appearance does not matter.
02
Where a stainless steel crown makes sense
Children's molars. A baby tooth broken down by decay needs to survive until it falls out naturally, and this outlasts a filling comfortably. It is standard paediatric practice, not a compromise.
Adult back teeth, temporarily. Where a molar needs protection while something else is decided - bone healing, finances, a treatment sequence spread across trips - a steel crown holds it reliably for months or years.
It is not for anything visible. On a tooth that shows, a zirconia crown at £170 is the answer.
03
Where it fits in a treatment plan
Usually as a holding position. A tooth is protected now and restored properly later, which is a sensible use of money when a larger plan is being staged across two trips.
If it appears on your plan, ask what it is holding and what replaces it later. It should be a step with a stated next step, not the end of the story - and if a clinic offers it as a permanent answer for a visible tooth, that is worth questioning.
Shade, shape and material
How your new smile is designed and made
Nothing is taken off a shelf. The colour, the shape of each tooth and the material are decided with you at the planning stage, then each piece is made for you in the laboratory inside the clinic building and tried in before it is fixed. This is what each of those decisions involves.
01
The shade
Tooth colour is chosen from a standard shade guide, the same one dentists and laboratories use worldwide. It runs from the bleached whites, BL1 to BL4, into the natural range, where B1 and A1 are the brightest shades a tooth is born with and A2 is the most common colour in adults. The tabs are held against your own teeth, your skin and the whites of your eyes in daylight, because a shade that looks right under a lamp can look wrong outside.
Bleached shadesNatural shades
BL1
BL2
BL3
BL4
B1
A1
B2
D2
A2
C1
C2
D4
A3
D3
B3
A3.5
Where most patients landThe most common natural shade
Two or three steps brighter than your ownThat reads as fresh. Much more than that, and the teeth start to look brighter than the face around them.
Bleached shades suit a full setA single veneer or crown is matched to the teeth beside it, not to the chart, so it disappears among them.
Whiten first if you are keeping natural teethPorcelain does not change colour later. If some of your own teeth stay, they are whitened first and the shade is chosen against the result.
03
The shape
Front teeth come in four broad families, and a smile design starts by choosing the one that suits your face. Length, width and how the edges sit against your lip when you speak are set at the same time.
SquareStraight edges and flat corners. Reads as strong and assured, and suits a broad or angular face.
OvoidSoftly rounded corners on a longer body. The most natural choice for most faces, and the most often chosen.
TaperedNarrower at the gum, widening towards the edge. Delicate and youthful, and suits a slim face.
RoundedFull curves at every corner. Gentle and friendly, often chosen to soften a strong jaw.
Before any tooth is prepared, the design is built in wax on a model of your teeth and then placed over your own teeth as a temporary mock-up. You see the shade, the shape and the length in your own mouth and in your own photographs. Anything you want changed is changed then, before the porcelain is made, not after.
05
The material
There is no best material, only the right one for each tooth. Front teeth are usually about how the light passes through; back teeth are about the bite. Your plan names the material for every tooth before you pay anything.
Material
How it looks
How strong
Best for
E-max (lithium disilicate)
The most lifelike. Light passes through it the way it passes through enamel.
Strong enough for any front tooth and for single crowns.
Veneers and front crowns, where looks matter most.
Zirconia
Bright and slightly more opaque, which is useful over a dark tooth.
The strongest ceramic there is. It does not chip.
Back teeth, bridges, full arches and heavy biters.
Layered zirconia
A zirconia core with porcelain layered on by hand for a natural surface.
The strength of zirconia underneath, the finish of porcelain on top.
Full smile makeovers that need both strength and looks.
Metal-ceramic
Porcelain over a metal cap. A dark line can show at the gum in time.
Proven over decades.
Back teeth where cost matters more than looks.
Six steps in the laboratory upstairs
How each piece is made
Every veneer and crown is made for one tooth in one mouth, in a laboratory inside the clinic building, so a try-in and an adjustment happen the same day rather than after a courier. Machines do the measuring and the cutting; people do the colour, the surface and the final check against your own teeth.
01The scanA digital scanner records your prepared teeth in a few minutes. No trays of impression putty.
02The designA technician designs each tooth on screen against your photographs and the trial smile you approved.
03MillingThe design is cut from a solid disc of zirconia, or pressed from an E-max ingot, to a tenth of a millimetre.
04LayeringPorcelain is painted on by hand in thin layers to build the depth and translucency of a real tooth.
05Firing and glazingEach piece is fired, then stained and glazed by hand and checked against your shade tab in daylight.
06The try-inEvery piece is tried in and adjusted before it is bonded. You approve it in the mirror first.
Answered plainly
Stainless steel crowns: your questions answered
Still not sure? A clinician talks it through before you commit to anything.
Tell us what you need. We will price it in writing.
One message and a coordinator replies with an indicative plan and price. Send a photograph of your smile if you have one - it makes the answer better, and it is never a call unless you ask for one.
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