A dental crown fully covers a damaged, weakened, or root-canal-treated tooth, restoring its shape, strength, and appearance. At Smile Align, crowns are available in three main materials — PFM, zirconia, and E-max — each with a different balance of strength, appearance, and cost, so the right choice depends on which specific tooth is being treated and what matters most for that case.
Smile Align fits crowns for patients across Naxalbari, Panitanki, Khoribari, Batasi, and Hathighisa, using digital scanning to plan a precise, comfortable fit before any material is chosen.
Which crown material is right for your tooth?
A metal core covered in porcelain — strong, time-tested, and the most affordable option. A thin dark line can sometimes show at the gumline over time, and it's more opaque than all-ceramic options.
A metal-free ceramic known for exceptional strength and fracture resistance, with good — though slightly less translucent than E-max — aesthetics. Handles heavy bite forces well, making it a strong choice for back teeth.
An all-ceramic material prized for the most natural, tooth-like translucency of the three — often considered the best-looking option for visible front teeth. Slightly less durable than zirconia under heavy bite forces.
Independent lab data and manufacturer testing consistently place these three materials in a clear pattern: zirconia leads on strength, E-max leads on natural appearance, and PFM remains the most budget-accessible option with decades of reliable clinical use behind it.
Relative comparison — PFM vs Zirconia vs E-max
Cost, Aesthetics & Best Use — Side by Side
| Factor | PFM | Zirconia | E-max |
|---|---|---|---|
| Relative cost | Lowest | Mid-range | Highest |
| Aesthetics | Good, but can show a metal line at the gum over time | Very good, slightly less translucent than E-max | Best — closest match to natural enamel |
| Durability | Strong metal core; porcelain layer can chip | Highest — handles heavy bite forces well | Good, but more sensitive to heavy grinding/clenching |
| Best suited for | Back teeth, budget-conscious cases | Back teeth needing maximum strength; also used for front teeth with good aesthetics | Front teeth and premolars where appearance is the priority |
| Typical longevity | Good, often slightly less than zirconia | 10–15+ years with proper care | Many years, best in lower-bite-force locations |
Cost-to-benefit, honestly
PFM — best value for back teeth
If the tooth isn't highly visible when you smile, PFM's lower cost and decades of proven performance make it a genuinely sound choice, not just a "cheap" one.
Zirconia — best all-round investment
Higher upfront cost than PFM, but its strength means a lower chance of needing replacement — often the best long-term value for molars specifically.
E-max — worth it where it's seen
The highest cost is easiest to justify on a front tooth, where the natural translucency is actually visible every time you smile — less critical on a back molar no one sees.
Unlike an off-the-shelf product, every crown is custom-made for your specific tooth shape and bite. Material choice, the number of teeth involved, and the precision of fit all factor into cost — which is why the "same" crown can be priced differently between clinics for reasons beyond just the material.