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What are the limitations, contraindications, and troubleshooting considerations for e.max veneers?

Indication boundary

ROE lists e.max veneers for anterior veneers. They are an esthetic anterior solution and should be specified as such. If your case involves posterior units or full-coverage restorations, ROE's IPS e.max Monolithic, IPS e.max Layered, or zirconia crown options are the correct products to review instead.

Situations that argue against e.max

Situation Concern Better path
Heavy wear, grinding, or clenching Higher functional load than the material is best suited to EZneer zirconia at 600 MPa or greater
Dark staining under the prep Translucency transmits substrate color Zirconia's color-shielding
Endodontically treated, darkened tooth Substrate will influence final shade Zirconia, or discuss a more opaque ingot
Old restoration that leached and discolored the tooth Visible show-through Zirconia masking
Fluorosis or tetracycline staining Beyond what a translucent laminate can hide Zirconia is specifically indicated
Minimal natural characterization e.max's layering advantage is not being used Zirconia may be more cost-effective

If the patient has a parafunctional habit and still wants e.max

The material choice is only half the conversation. Discuss occlusal protection. ROE fabricates several options, including CLEARguard, CLEARsplint, and miniComfort. Protecting the investment is a reasonable part of the treatment plan.

Troubleshooting guide

Issue Likely cause Resolution
Delivered shade reads too dark Stump shade not provided or substrate darker than assumed Provide stump shade and photos on resubmission
Veneer looks flat next to natural teeth Insufficient characterization detail communicated Send multi-angle photos; consider Shade-in-Lab
Veneer is over-contoured or bulky Facial under-reduction below 0.5 mm Verify reduction against the 0.5 to 0.7 mm spec
Incisal chipping Feathered incisal edge instead of a butt joint Prep a 90-degree butt joint at 0.75 to 1.5 mm
Visible line at the interproximal Prep did not extend halfway through the contact Extend the prep into the contact area
Issue Likely cause Resolution
Early debond Bonding protocol step missed or contamination Confirm HF etch, Monobond Plus, and isolation
Gingival inflammation after seating Retained subgingival cement Remove excess at the rubbery stage, floss all contacts
Opposing teeth wearing Adjusted ceramic left unpolished Re-polish every burred surface fully
Poor marginal fit Undefined margin or impression distortion Retake with a clearly defined 0.3 mm chamfer
Shade shifted after cementation Cement shade influencing a thin translucent laminate Use try-in paste to preview before final cementation

Longevity expectations to set with the patient

The published evidence supports 96.8% survival at 10.4 years for lithium disilicate veneers, drawn from a 2024 systematic review of 29 studies. That is a strong number, and it is worth communicating to patients who are weighing the investment.

It is equally worth being clear that this figure comes from appropriately selected, well-executed cases. Survival depends on case selection, preparation quality, bonding technique, and the patient's functional habits. A veneer placed on a heavy bruxer without occlusal protection is not the case the meta-analysis describes.

ROE's laboratory warranty on the restoration is 2 years. See the Warranty Statement for full terms.

When to call before you commit

ROE's technicians would rather consult before the case than remake it afterward. If you are uncertain about material selection, substrate masking, or prep design, call the lab or send in models. Technicians will review the case in hand and call you to discuss the best approach.

 

Additional Resources

For more information concerning the digital dentures:

Contact Information

For help with a digital denture solution for your next case, contact ROE Dental Laboratory: