Teeth Filling TRIZ Cases

A dental cheek retractor embeds LEDs to illuminate the oral cavity directly.

Gearless prophy device uses flexible paste chamber contracting under tooth pressure to dispense polish, eliminating manual refilling interruptions.

A plasma surface treating device uses an electrode set to excite a working gas into jet plasma for direct tooth contact.

Multi-radius circular arcs in a D-shaped dental cartridge maximize piston sealing tightness, extending shelf-life by preventing material property alteration.

Infrared heating element softens endodontic filling material directly, eliminating slow convective pre-heating and power cord constraints.

Absorbing layer converts laser radiation into thermal energy to boil liquid and generate high-pressure streams.

Segmented lip retractors and tongue depressors maintain mouth openness while a hollow tube shields tissue, reducing acute mucositis.

An elastomer film coated with a sliding element reduces stick slip effects during intraoral scanning, maintaining sterility and scan continuity.

A dental file spiral working portion uses a single arc and multiple lines to form cutting blades.

An elastically deformable suction arrangement adapts to the anatomical shape of the bottom of the mouth.

Numeric scoring system quantifies periodontal disease states using sextant diagnoses to resolve imprecise text-based diagnostic terminology.

Squeezing the flexible vial forces gel through a narrow channel to a crenellated tip, ensuring even distribution on hard-to-reach teeth surfaces.

A hand-held dental device dispenses pasty filling material while emitting radiation to harden it.

Angled walls in semi-custom separator allow mandible to return to physiologic rest, preventing posterior tooth contact and reducing muscle engrams.

Segmenting the probe into a disposable tip and reusable handle eliminates sterilization bottlenecks while enabling consistent force application.

Mid-infrared Er:YAG laser emits 2940 nm radiation to selectively destroy caries bacteria via photothermal heating.

A hand piece grinds pellets into powder using a linear motion actuator and grinder for on-demand spraying.

Segmented root canal reamer uses high taper tip and flexible proximal shaft to widen apical portion while preventing instrument breakage.

A dispensing gun uses locking wings and a pre-positioned piston to extrude cartridge material in one stroke.

Auxiliary jig and guide sleeve create a precise dental drilling channel, eliminating subjective depth judgment errors.

A tapered saliva ejector connects to a U-shaped cheek coupling that routes vacuum tubing along the patient's buccal mucosa.

A three-chamber capsule system uses a piston mechanism to pierce membranes and sequentially mix reactive components for clinical applications.

Thermal processing at 450°C to 550°C tunes superelastic alloy properties, reducing lateral transportation and binding in curved root canals.

An injection mold uses hot runners to manufacture mouth cheek holders without cold runner waste.

A semilunar valve seals the applicator orifice to prevent powder forward movement and moisture exposure during periodontal treatment.

A jaw stretching device with suction relaxes muscles and maintains oral access.

An access guide and drill kit constrain drilling paths to prevent dentinal cracks during cavity preparation.

A tongue retainer uses biased gripping surfaces to hold the tongue forward for comfortable sleep wear.

A flexible pin bundle adapts to irregular root canal geometries, preserving wall integrity while enabling secure anchoring through in-situ polymerization.

Segmented activator unseals outlet then extrudes material, avoiding part breakage and uneven force during dispensing.

Integrating an electromagnetic radiation source into the toothbrush handle merges whitening delivery with brushing, eliminating bulky tray systems.

A standardized dental veneer system uses a grinding oscillating tip to prepare tooth surfaces for prefabricated restorations.

Segmented hard frame and soft tooth tray restrict rearward tongue movement while allowing comfortable breathing through side air passages.

Shear thickening fluid in a thermoplastic mouth guard dissipates impact forces, resolving the trade-off between injury protection and breathing comfort.

A dental laminate covers tooth surfaces with a bridge structure connecting adjacent units to mimic aligned teeth.

Segmented abutment means detach from the handpiece body to resolve bulk interference and disassembly complexity during dental procedures.

A dental syringe holder uses a clamping wing for forefinger and middle finger grip to stabilize the barrel.

A conductive gutta percha point forms an electrical path to the periodontium for precise apical detection.

A syringe uses a rotatable barrel and threaded plunger to convert twisting motion into vertical piston displacement.

Transparent overlays with sizing marks align with dental arch impressions to determine appliance dimensions, reducing the number of steps required for sizing.

Sliding bite pad assemblies on a U-shaped buccal strap resolve bulkiness and discomfort in bruxism guards by enabling independent size adjustment.

A dual component applicator uses a mismatch zone between valves and chamber walls to mix fluid and solid substances.

Telescopic cylinder design prevents evaporation and diffusion losses in dental mixing capsules.

An endodontic instrument using a flexible material under 200 MPa yield strength prevents dentine loss and ledging.

Dynamic cannula collapse creates a vacuum effect that draws microparticles through narrow outlets, eliminating high pushing forces and tissue damage.

Segmented container secures endodontic file shaft via clamping holder, preventing contamination during storage and sterilization.

Measuring time delay between excitation and return pulses differentiates carious areas from healthy tissue, resolving sensitivity limits in visual observation.

Adjustable dental handpiece mechanism varies tool projection length to eliminate separate drill bushings and template removal during implant procedures.

A dental dispensing device uses a resilient adapter to securely retain various applicator types through elastic deformation.