Tooth Cleaning TRIZ Cases

A pivoting rocker lets appliance switches sit closer to the motor or battery, cutting wiring complexity while preserving ergonomic operation.

Magnetic coupling and a damping spring stabilize brush head swing angle and frequency while cutting transmission noise and assembly cost.

Air and liquid channels in the brush head form microbubbles that improve interdental cleaning while keeping the oral cleaner compact.

PWM-driven alternating brush rotation adds sweeping motion to high-frequency vibration, expanding cleaning area and depth on teeth.

Magnetic torque transmission replaces mechanical coupling in an electric toothbrush to cut wear, noise, vibration, and unsteady brushing.

A constant-force spring lets opposing cleaning blocks adapt to different tooth sizes, improving gumline and interdental cleaning with less manual effort.

A time-limited secondary power-button function lets an electric oral cleaner switch modes intuitively without adding controls or confusing display navigation.

Alternating reciprocating and swing motions let one oral care motor clean gum lines, dead corners, and fissures more thoroughly.

A multi-directional power shaft lets the brush head swing, rotate, or vibrate, expanding tooth-surface coverage and cleaning effectiveness.

An anti-phase coupling moves inner and outer arches in opposite directions to reach rear molars while reducing mouthpiece vibration.

A covered cylindrical shell uses ultraviolet sterilization to address moisture-related bacterial growth and dust on electric toothbrush heads.

A flexible partial-cylinder guard limits polishing splatter around the prophy cup while keeping the dental hygienist's view clear.

A narrowing metal housing section, adhesive inner housing, and buckled power connector improve sealing and simplify cleaning.

Adhesive inner housing, a narrowing section, and a sealing ring secure the charging connector against loosening and water ingress.

A grooved brush-head connection transfers vibration efficiently while reduced rotation angles help protect gums during cleaning.

Alternating driving signals create different care-component paths to improve plaque and tartar removal across hard-to-reach tooth surfaces.

Low-magnitude high-frequency vibration accelerates periodontal pocket reduction and reduces microbial load.

Replacing flex couplings with a direct motor-to-spring connection eliminates noise and wear while maintaining reliable cleaning performance.

A coupling sleeve with a circular segment-shaped wall thickening and axial grooves prevents rotational misalignment in electric toothbrushes.

A water pressure driven toothbrush uses a turbine and reduction module to generate rotating force, resolving power transmission limits in compact heads.

Cone-shaped cavity secures DC motor with rigid contact, reducing noise and improving weight balance in synthetic resin stems.

A disposable dental prophy angle uses a gear retainer with a wedge to secure drive and driven gears within the housing.

Segmented locking arms and biasing springs secure the functional element to the housing, preventing separation damage while allowing oscillation.

Replacing complex mechanical linkages with a magnetostrictive actuator reduces noise and wear while maintaining multi-motion cleaning effectiveness.

Segmented chisel tips with 90-degree geometry access interdental spaces, resolving the trade-off between cleaning effectiveness and operator accessibility.

A non-linear resonant system modifies brush head amplitude based on applied mass to adapt vibration intensity.

Direct transmission via a groove and elastic arm eliminates connector attenuation, ensuring higher bristle vibration frequency for effective cleaning.

Periodic cycling of the display element preserves battery life while maintaining product visibility in retail settings.

Universal adapter bridges incompatible dental device and handpiece geometries, reducing sterilization downtime by enabling modular tool usage.

Offsetting sensor sampling frequency from drivetrain harmonics eliminates mechanical vibration noise, ensuring accurate brushing data acquisition.

Asymmetric ribs prevent improper loading while visible windows confirm alignment, resolving coupling reliability and manufacturing complexity.

Motor-driven actuator moves brushes along teeth to remove plaque without manual pressure inconsistencies.

A dual-action electric toothbrush uses a simplified drive system with independent translation and oscillation heads to reduce moving parts.

Segmenting the head into three brushes resolves cleaning efficiency versus device complexity by enabling simultaneous multi surface contact.

Forward positioning of the head support shaft reduces the moment arm and frictional resistance, enabling compact cleaning of molar teeth.

A refill head uses a cam-follower assembly to generate vibratory and oscillatory motion, resolving the limitation of single-motion designs.

Rotating side portions on a flexible screw spindle adjust the mouthpiece width for custom cleaning without professional intervention.

A toothbrush neck assembly uses radial motion to align a drive shaft with an engagement surface for reliable force transfer.

Bite block anchors mouthpiece to resolve inconsistent brushing from user handling instability.

Pivoting the drive transmitter outside the handle reduces lip vibrations while maintaining large cleaning amplitudes at the bristle array.

Modulated vibration removes trapped air bubbles from adapter cavities, ensuring complete disinfection.

Shear-thickening fluid in the coupling mechanism resolves the contradiction between secure attachment during high-frequency operation and easy removal by hand.

Segmented bristle assemblies actuate independently to clean all tooth surfaces, eliminating manual dexterity requirements.

Inverted channels guide bristles against teeth during mastication, eliminating sink requirements while maintaining effective oral hygiene.

Segmented cordless dental handpiece modules isolate batteries from sterile tips, reducing bulk and downtime.

A toothbrush cover uses a lifting bevel to convert rotation into axial motion for detaching the housing.

A detachable oral cleaning connector uses a circumferential resilient element to clamp the handle protrusion for stable attachment.

Asymmetric locking adapters connect mismatched dental components, reducing sterilization downtime.

Direct drive via a square shaft eliminates complex transmission gears, reducing internal structure complexity and production costs.

A control system adjusts motor drive signals based on battery voltage and stator current measurements.