Zirconia Bridges

High-strength multi-unit zirconia, milled and sintered as one piece — connectors engineered to the span so a posterior bridge takes the load it was built for.

A bridge succeeds or fails at the connectors. Milled and sintered as one piece, a zirconia bridge carries posterior load with no metal framework and no porcelain to chip — and we pick the grade to fit the span.

Jahn De Khudikine, Founder · Universal Dental Lab
Jahn De Khudikine Founder · Universal Dental Lab

Why send it here

Connector strength and margin fit are one job on a zirconia bridge. We mill both before it ships.

A practice's schedule lives or dies by the lab — I've watched one late case push back a whole day of chair time.

So I still know the cases moving through this lab, and I answer for how each one is made. Send a case here and it doesn't drop into a queue — it lands with me and one technician who carries it start to finish.

Start a case
Metal-free strength
High-grade zirconia milled and sintered as one piece — no framework, no porcelain to chip Grade selected to the span
Connectors to span
Connector cross-sections engineered before milling, whole-bridge fit verified on the model Margins checked across every unit before it ships
Your technician
One person holds your case Reach them directly — no call-center queue
Free scanner
3Shape TRIOS 6 for partners Go fully digital at no cost

Material Comparison

Zirconia, PFM, or Implant-Supported?

The multi-unit decision usually comes down to metal-free strength, a proven framework, or removing load from natural abutments. We make all three.

Monolithic zirconia bridge on the master model
Zirconia Bridges You are here
PFM bridge, cast framework layered with porcelain
PFM Bridges
Bridge seated on implant abutments, off the natural teeth
Implant-Supported Bridges
Structure Monolithic / layered zirconia Cast metal framework + porcelain Bridge on implants
Strength High (grade-dependent) High — rigid framework High
Best for Posterior, long spans, metal-free, bruxers Proven durability, long spans No suitable natural abutments

Strength and connector requirements are grade- and span-dependent and vary with sintering. Confirm span-specific connector and clearance requirements with the lab before you prep.

Material
Yttria-stabilized zirconia
Flexural strength
Up to ~1,100–1,200 MPa (3Y)
Connectors
Designed to the span
Turnaround
Quoted per case at intake
Monolithic zirconia bridge milled from a pre-sintered blank

Overview

One Milled Piece, Engineered to the Span

A bridge succeeds or fails at the connectors, and that is where zirconia earns its place in multi-unit work. Milled and sintered as a single piece of high-density material, a zirconia bridge carries posterior load without a metal framework and without porcelain to chip.

We select the grade to fit the span — a higher-strength grade where a longer posterior span puts the connectors under load, a more translucent grade where an anterior case allows it.

  • Monolithic: No layered porcelain to fracture over the pontic — the whole bridge is one continuous restoration.

  • Layered in the esthetic zone: Where a smile-line unit calls for it, we cut back and layer the facial surface for depth.

Learn more
A technician verifying connector and margin fit across a milled bridge on the model

At the Bench

Milled Oversized, Sintered as One Piece

The bridge is designed against your scan, milled in a pre-sintered state, then sintered to full density and dimension as one continuous restoration. Connectors, margins, and occlusion are checked across the whole span on the model before anything ships.

  • Connector cross-sections: Designed to the span and grade — the design variable that matters most on a bridge.

  • Whole-bridge fit: Verified on the model across every unit before the case goes anywhere near a box.

  • Pontic contour: Modified ridge-lap or ovate, designed for cleansability and tissue contact.

Learn more

Before you prep

Connector cross-section is the design variable that matters most on a bridge, so the one thing to confirm chairside is adequate interocclusal clearance to build those connectors to the span.

Case Selection

When a Zirconia Bridge Is the Right Call

Indicated for

  • Posterior multi-unit bridges carrying heavy occlusal load
  • Longer spans where connector strength is the limiting factor
  • Metal-free cases where a PFM framework is not wanted
  • Patients with bruxism, where a high-strength grade protects the connectors
  • Cases needing a monolithic bridge with no porcelain to chip

Consider an alternative when

  • The case is anterior and depends on maximum layered translucency — a layered design or PFM may read better
  • A very long edentulous span exceeds what a fixed bridge should carry — consider an implant-supported design
  • The abutments cannot support a conventional bridge — an implant-supported bridge removes the load from natural teeth
  • Interocclusal clearance for adequate connector height cannot be established

Specifications

Zirconia Bridge Specifications

Preparation, connector, and material data for planning the bridge chairside.

Typical values for the multi-unit zirconia we mill and sinter.
Material Yttria-stabilized zirconia, milled from pre-sintered blanks (3Y for strength, 4Y/5Y for translucency)
Typical flexural strength Approx. 1,100–1,200 MPa (3Y) down to approx. 550–750 MPa (5Y); higher-strength grades preferred for longer spans
Connector dimensions The critical factor in a bridge — connector cross-section is designed to the span and grade, and adequate interocclusal clearance is required to achieve it
Occlusal reduction 1.0–1.5 mm
Axial reduction 1.0–1.5 mm; rounded internal line angles
Margin design Chamfer or rounded shoulder, 0.5 mm or greater
Pontic design Modified ridge-lap or ovate, designed for cleansability and tissue contact
Cementation Conventional or self-adhesive resin cement; for adhesive protocols air-abrade the intaglio and use an MDP primer (do not HF-etch zirconia)
Finishing Monolithic with stain and glaze, or cut back and layered in the esthetic zone
Turnaround Quoted per case at intake

Flexural strength and connector requirements are typical published values that vary by grade, span, and sintering. Confirm span-specific connector and clearance requirements with the lab before you prep.

Case Submission

Sending a Zirconia Bridge Case

We accept scans from all major intraoral systems, including iTero, 3Shape, and Medit — or a conventional impression if your practice has not gone digital.

Include with the case:

  • STL of the prepped arch and the opposing arch
  • Bite registration
  • Calibrated shade photos — and a stump shade for discolored abutments
  • The span, with abutments and pontics identified
  • A note on parafunction and available interocclusal clearance

A margin that is unclear on any unit across the span is the most common cause of a multi-unit remake. If we cannot read one, we ask before milling. New to the lab? Open an account and we will walk you through the first case.

Start a case

Send one case. Keep the scanner.

Open a partner account and your first case moves with a shade record and our remake guarantee — if a unit does not seat, we redo it at no charge.

  • Free 3Shape TRIOS 6 scanner for active partners
  • Under-2% remake rate — remakes at no charge
  • One named technician you reach directly — no call center

Prefer to talk? +1 747-268-0808

No call center — you hear back from the lab, not a bot.

Zirconia Bridge FAQ

Zirconia Bridges — Questions Dentists Ask

Higher-strength grades (typically 3Y / lower translucency) handle longer posterior spans and bruxers because connector cross-section and strength matter more than single-unit esthetics. More translucent grades suit shorter anterior spans where the connectors can stay thicker relative to the load. Tell us the span, opposing dentition, and parafunction — we will recommend the grade.

Send an STL of the prepped and opposing arches, a bite registration, and calibrated shade photos — plus a stump shade if an abutment is discolored. Tell us the span and which teeth are abutments versus pontics, because connector dimensions are designed to the span. Note any parafunction so we can select the right grade for the connectors.

Monolithic is the workhorse for posterior spans — strength and a simpler mill-and-sinter path. Anterior or high-visibility spans often get cut-back and layered porcelain for depth. An anterior layered bridge adds characterization time over a monolithic posterior one.

Connector strength and passive fit. We design connector cross-sections to the span and grade, verify the whole bridge on the model, and check interocclusal clearance for the connectors. If clearance is short or a margin is unreadable, we raise it before milling rather than delivering a compromised bridge.

When abutments are periodontally or structurally questionable, or the span would overload what is left. A quick review of the span, clearance, and abutment condition is worth having — sometimes an implant-supported bridge is the sounder plan. Send a diagnostic scan and we will advise.

How to send a file

Switching labs, de-risked

New to us? If a bridge does not seat, we remake it at our cost when it is a lab error. We keep a shade and design record for your practice, so the next multi-unit case starts from what worked on the first. See what the remake policy covers.

Let's talk

+1 747-268-0808 Contact the lab

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Partner Offer

A Free Intraoral Scanner for Partner Practices

Partner with Universal Dental Lab and we place a 3Shape TRIOS 6 Wireless in your operatory — free for the length of our partnership. Scan the prep, send it in seconds, and skip impressions entirely.

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