Tooth Crowns TRIZ Cases

A diffusion-bonded metal retention layer with interstitial regions helps dental crown coatings resist occlusal-force delamination.

Deep milling with a cutting arc under 90° raises dental fitting body removal rates while limiting tool-tip wear and extending tool life.

A crown and abutment sample kit lets dentists confirm mounted crown color in advance, improving shade harmony before placement.

Wearable temporary veneers engage vestibular surfaces to preview tooth appearance before any permanent modification or irreversible bonding.

Prefabricated zirconia crowns enable single-visit tooth restoration, cutting chair time, cost, and patient exposure while maintaining durable fit.

Layered stabilizer and color compositions let dental zirconia reach natural-looking shade, translucency, and strength with short firing.

Virtual shell compression creates layered tooth subvolumes with enamel- and dentin-like optical properties for more natural restorations.

Separate printed core and shell green bodies avoid milling wear while improving fit, strength, and natural-looking ceramic restorations.

Using 3D tooth and restorative models, this case defines a preparation surface that preserves tooth mass, protects the pulp chamber, and maintains bonding space.

Predominantly monoclinic zirconia with a phase-transition stabilizer shortens firing time while controlling shrinkage and preserving dental translucency.

A rigid chewing surface and flexible sidewall enable single-stage molar crown fitting without adhesives while maintaining durability.

Blue-light heat treatment crystallizes dental glass ceramics in minutes, enabling single-visit restorations with strong aesthetics and lower energy use.

An expandable-tab dental matrix enables precise, hygienic single-visit veneer placement while easing crown-form removal from the tooth.

Three-stage heating adjusts firing rates across temperature ranges to reduce visible stripes in multilayer zirconia while preserving shade and strength.

Parallel pin-shaped tools machine opposite sides of the blank, reducing processing time, tool wear, and secondary machining.

Specific Nb2O5/Ta2O5 additives and capping agents improve machining of black zirconia after sintering while limiting tool wear.

High-hardness dental zirconia slows machining and wears tools; this composite composition supports efficient sintered-state processing with strength and translucency.

Controlled Nb2O5, Ta2O5, TiO2, and Group I additions make fully sintered zirconia easier to machine, reducing tool wear while retaining dental strength and translucency.

UV heating sinters partially sintered zirconia at 1400–1700 °C in under 10 minutes, enabling high-quality chairside restorations.

Spatial constraints from neighboring teeth guide iterative crown optimization from 3D maxillofacial data without abutment inputs.

Interior-wall protrusions let ceramic or composite crowns snap onto tooth retention features, reducing seating and pull-off forces without relying on cement.

Fixed stock orientation links injection moulding and milling for precise dental restorations.

Separate zirconia coping and veneer components balance flexural strength with translucency for more natural tooth anatomy.

A neural network classifies digital dental objects by shape, assigns manufacturing methods, and supports production without proprietary metadata.

An abrasive-coated conical disc bur improves crown-cutting maneuverability while reducing torque on dental handpieces.

A curable particle layer creates 1–30 µm roughness inside non-metallic dental articles, improving cement adhesion without sandblasting.

Multiple metal ions with different redox potentials create natural tooth-like gradation in dental ceramic in one step.

Machine final-strength ceramic blanks directly for dental prostheses, avoiding sintering shrinkage.

A pre-sintered machinable preform supports chair-side dental restoration shaping while reducing process time and material waste.

Computer-based insertion of adapted aesthetic surface structures eliminates manual post-processing time while maintaining individual tooth shape precision.

Laser ablation creates support cavities for layer-by-layer ceramic deposition, resolving precision and strength trade-offs.

A prefabricated sleeve and crown system bonded with light-curing cement for rapid dental restoration placement.

A dental cutting zirconia blank with 50 to 70 percent relative density enables high-speed sintering while maintaining CAD/CAM machinability.

Piezoelectric elements convert mouth movement energy into electrical power, eliminating battery replacement interruptions for continuous biometric monitoring.

A dental prosthesis production method uses three-dimensional geometric data to generate precise veneer models on frameworks.

A computer system selects pre-prepared attrition shape data to create dental prosthetic devices matching patient dentitions.

Azimuth settings and distance ratios define cusp tip positions, eliminating occlusion interference.

A dental coloring stamp uses an open-celled elastic sponge to transfer solution directly onto a restoration precursor.

A dental prosthesis combines a plastic primary part with a ceramic secondary part to create a biomimetic structure.

A dental mill blank uses a frustum-shaped core layer beneath an enamel layer to mimic natural tooth structure.

Ordinary pressure sintering of nanoscale zirconia eliminates complex HIP equipment while achieving high linear light transmittance for dental prostheses.

Segmented modular tooth veneers increase bonded surface area to resolve bonding strength deterioration caused by preshaped component limitations.

A customized root canal obturation core with a pre-formed contour matches the anatomical structure to create a tight seal.

Optimized yttria and alumina content in zirconia mill blanks balances fracture resistance with translucency for durable restorations.

Adjusting spacer geometry prevents undercuts, enabling standard 3-axis milling instead of complex multi-axis machining.

A computer system searches a tooth structure database to identify candidate teeth based on surrounding oral cavity geometry.

Machining a pre-sintered zirconia blank at 53-74 MPa prevents deformation during high-temperature sintering.

Digital model expansion compensates for casting shrinkage while eliminating silicosis risk from quartz in the investment material.

An inclined workpiece axis reorients the machining space to expand processing volume within compact dental equipment dimensions.

Urethane acrylate oligomer blends achieve fracture toughness and transparency in stereolithography, resolving brittleness trade-offs.

A clamping unit with elastic holding means secures prosthetic teeth in a negative form.