Advanced Load-Responsive Motor Control for Enhanced Dental Treatment

Publication ID: 24-11857384_0001_PTD
Published: October 28, 2025
Category:Direct Improvements & Enhancements

Legal Citation

pr1or.art Inc., “Advanced Load-Responsive Motor Control for Enhanced Dental Treatment,” Published Technical Disclosure No. 24-11857384_0001_PTD, Published October 28, 2025, available at https://archive.pr1or.art/24-11857384_0001_PTD
This technical disclosure describes improvements that would be readily apparent to a Person Having Ordinary Skill In The Art (PHOSITA) when considered in combination with the foundational architecture disclosed in U.S. Patent No. 11,857,384.

Summary of the Inventive Concept

An improved dental device with load-responsive motor control that optimizes performance, efficiency, and safety through advanced feedback mechanisms, treatment protocol databases, and calibration methods.

Background and Problem Solved

The original patent, 'Dental device with load-responsive motor control', introduced a motor-driven dental device that adjusts its speed based on the load placed upon the motor. However, it had limitations in terms of efficiency, effectiveness, and safety. The new inventive concept addresses these limitations by introducing advanced features that enhance the overall performance of the dental device.

Detailed Description of the Inventive Concept

The advanced load-responsive motor control system comprises a feedback mechanism that continuously monitors the load placed upon the motor and adjusts the speed accordingly. This ensures optimal performance, reduces energy consumption, and prevents motor damage. Additionally, the system includes a database of treatment protocols for different types of dental treatments, allowing the motor control to adjust its speed based on the specific treatment being performed. The system also features a calibration method that applies a series of known loads to the motor, optimizing its performance for each load condition. Furthermore, the system includes a user interface that provides real-time feedback to the practitioner, enabling them to adjust their technique and optimize treatment outcomes.

Novelty and Inventive Step

The new inventive concept introduces several novel features that distinguish it from the original patent. The advanced feedback mechanism, treatment protocol database, and calibration method provide a significant improvement in performance, efficiency, and safety. These features are non-obvious and represent a significant inventive step over the original patent.

Alternative Embodiments and Variations

Alternative embodiments of the inventive concept could include different types of sensors for detecting changes in the load, such as optical or acoustic sensors. Additionally, the system could be integrated with other dental devices, such as imaging systems or suction devices, to provide a more comprehensive dental treatment platform.

Potential Commercial Applications and Market

The advanced load-responsive motor control system has significant commercial potential in the dental industry, particularly in the areas of restorative dentistry, endodontics, and oral surgery. The system's ability to optimize performance, efficiency, and safety makes it an attractive solution for dental practitioners and clinics seeking to improve treatment outcomes and reduce costs.

CPC Classifications

SectionClassGroup
A A61 A61C1/003
A A61 A61C1/0038
A A61 A61C1/186
H H02 H02P29/0016
A A61 A61C17/005

Field of Art

Dental device engineering, specifically motor-controlled dental handpiece systems with load-responsive control mechanisms, requiring expertise in mechanical engineering, electrical control systems, and dental instrument design

Person of Ordinary Skill (PHOSITA) Profile

A mechanical engineer with specialized knowledge in dental equipment design, familiar with motor control systems, sensor technologies, and adaptive feedback mechanisms for precision medical instruments

Obviousness Rationale

A person having ordinary skill would recognize that the PTD's advanced load-responsive motor control represents predictable variations and incremental improvements to the source patent's fundamental motor control methodology. The core concept of load-based motor speed adjustment remains consistent, with the PTD merely expanding implementation through additional monitoring, calibration, and protocol-based techniques. These extensions represent standard engineering problem-solving approaches within motor control system design.

Obvious Combinations & Variations

Source Patent Element
Motor speed adjustment based on applied load to a dental tool
PTD Variation
Adding a comprehensive treatment protocol database to dynamically adjust motor speed
Obviousness Reasoning
Implementing context-specific speed control is a predictable design optimization using known database and sensor integration techniques
Source Patent Element
Basic load-responsive motor control mechanism
PTD Variation
Introducing multi-sensor feedback system with optical and acoustic load detection
Obviousness Reasoning
Expanding sensor types represents a routine engineering design choice with expected performance enhancement potential
Source Patent Element
Initial motor speed control at idle state
PTD Variation
Implementing calibration method applying series of known loads to optimize motor performance
Obviousness Reasoning
Systematic performance calibration is a standard engineering approach for refining control systems with predictable incremental improvements
Source Patent Element
Motor speed modulation based on applied torque
PTD Variation
Adding real-time user interface providing practitioner feedback on motor performance
Obviousness Reasoning
Integrating user-facing diagnostic displays is a conventional method of enhancing system transparency and control
Source Patent Element
Electric motor control in dental handpiece
PTD Variation
Proposing integrated system with complementary dental devices like imaging systems
Obviousness Reasoning
Interconnecting medical devices represents a standard system design approach with predictable interoperability goals
35 U.S.C. § 103 Summary: Based on the teachings of US Patent 11857384, the present publication demonstrates that the claimed variations in dental device motor control represent obvious extensions to the prior art, employing standard engineering techniques and predictable combinations that would be readily apparent to a person having ordinary skill in dental device design and motor control systems.

Original Patent Information

Patent NumberUS 11,857,384
TitleDental device with load-responsive motor control
Assignee(s)Dentsply Sirona Inc.