Enhanced Dental Dam System with Shape Memory Polymer Technology

Publication ID: 24-11857387_0001_PTD
Published: October 28, 2025
Category:Direct Improvements & Enhancements

Legal Citation

pr1or.art Inc., “Enhanced Dental Dam System with Shape Memory Polymer Technology,” Published Technical Disclosure No. 24-11857387_0001_PTD, Published October 28, 2025, available at https://archive.pr1or.art/24-11857387_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. 11,857,387.

Summary of the Inventive Concept

An improved dental dam system featuring a shape memory polymer membrane with advanced features, such as temperature-controlled stiffening, pre-heating for patient comfort, and real-time monitoring, to enhance oral structure isolation and patient experience during dental procedures.

Background and Problem Solved

The original patent disclosed an improved dental dam and clamp arrangement, but it had limitations in terms of material properties and user comfort. The new inventive concept addresses these limitations by incorporating shape memory polymer technology, which provides improved stiffness, flexibility, and patient comfort during dental procedures.

Detailed Description of the Inventive Concept

The enhanced dental dam system comprises a shape memory polymer membrane with a temperature-controlled stiffening mechanism, allowing for improved oral structure isolation and customization to individual patient needs. The system also includes a pre-heatable clamp arrangement for enhanced patient comfort during procedures. Additionally, the system features a real-time temperature sensor for monitoring the membrane's shape and stiffness. The dental dam kit includes the shape memory polymer membrane, a clamp arrangement, and a heating device for reverting the clamp to its initial shape after use.

Novelty and Inventive Step

The new inventive concept introduces the use of shape memory polymer technology in dental dams, which provides a novel solution to the limitations of the original patent. The temperature-controlled stiffening mechanism, pre-heating for patient comfort, and real-time monitoring features are non-obvious and innovative advancements in the field of dentistry.

Alternative Embodiments and Variations

Alternative embodiments of the inventive concept could include using different types of shape memory polymer materials, varying the temperature range for stiffening, or incorporating additional sensors for monitoring oral structure movement. Variations could also include adapting the system for use in other medical procedures, such as ENT or surgical applications.

Potential Commercial Applications and Market

The enhanced dental dam system has significant commercial potential in the dental industry, with potential applications in general dentistry, orthodontics, and oral surgery. The system's improved patient comfort, customization capabilities, and real-time monitoring features could provide a competitive advantage in the market, with potential for widespread adoption and revenue growth.

CPC Classifications

SectionClassGroup
A A61 A61C5/82
A A61 A61C2201/007

Field of Art

Dental medical devices, specifically dental dam systems and shape memory polymer technologies for oral medical applications, requiring expertise in materials science, dental engineering, and medical device design

Person of Ordinary Skill (PHOSITA) Profile

A professional with advanced degrees in biomedical engineering or dental materials science, familiar with shape memory polymers, medical device design principles, and dental procedural requirements

Obviousness Rationale

A PHOSITA would recognize that incorporating temperature-controlled shape memory polymer technology into dental dam systems represents a predictable extension of existing dental device design principles. The source patent's foundational shape memory polymer clamp design provides a clear technological framework for implementing advanced thermal and monitoring features. These variations represent incremental improvements using known materials science techniques within the dental medical device domain.

Obvious Combinations & Variations

Source Patent Element
Shape memory polymer clamp with oral structure engaging capabilities
PTD Variation
Temperature-controlled stiffening mechanism for membrane adaptation
Obviousness Reasoning
Predictable application of known shape memory polymer characteristics to enhance dental dam functionality, representing a standard design optimization approach
Source Patent Element
Dental dam membrane with locating portions
PTD Variation
Integrated temperature sensor for real-time shape and stiffness monitoring
Obviousness Reasoning
Known sensor integration technique applied to medical devices, providing enhanced diagnostic and procedural control capabilities
Source Patent Element
Clamp arrangement for dental dam
PTD Variation
Pre-heating mechanism to improve patient comfort during procedure
Obviousness Reasoning
Logical thermal modification using established shape memory polymer properties, representing a standard patient experience enhancement technique
Source Patent Element
Dental dam with guide formation and clamp engagement
PTD Variation
3D scanning for customized membrane molding to patient's oral structure
Obviousness Reasoning
Predictable application of advanced scanning technologies to personalize medical device fitting, utilizing standard design adaptation principles
Source Patent Element
Shape memory polymer oral structure engaging member
PTD Variation
Expandable kit design with heating device for clamp shape reversion
Obviousness Reasoning
Standard product design expansion using known shape memory polymer reset mechanisms, representing a logical system enhancement
35 U.S.C. § 103 Summary: Based on US Patent 11857387's teachings of shape memory polymer dental dam technologies, the present publication demonstrates that the claimed variations represent obvious extensions readily apparent to a person having ordinary skill in dental medical device design. The incremental technological modifications would be considered predictable improvements within the established technological framework, thus rendering potential derivative claims non-patentable under 35 U.S.C. Section 103 obviousness standards.

Original Patent Information

Patent NumberUS 11,857,387
TitleDental dam and method of use