Published Technical Disclosure Archive

Adaptive Antibacterial Dental Materials and Methods

Publication ID: 24-11857651_0010_PTD
Published: October 28, 2025
Category:Future Evolutions & Paradigm Shifts

Legal Citation

pr1or.art Inc., “Adaptive Antibacterial Dental Materials and Methods,” Published Technical Disclosure No. 24-11857651_0010_PTD, Published October 28, 2025, available at https://archive.pr1or.art/24-11857651_0010_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. 11,857,651.

Summary of the Inventive Concept

A next-generation dental material system that adaptively responds to environmental stimuli to modulate antibacterial properties, enabling enhanced prevention and treatment of oral diseases.

Background and Problem Solved

The original patent disclosed compositions with doped titanium dioxide nanoparticles for dental applications, but had limitations in terms of static antibacterial properties. The new inventive concept addresses this limitation by introducing adaptive antibacterial properties, enabling more effective prevention and treatment of oral diseases.

Detailed Description of the Inventive Concept

The new inventive concept comprises a matrix of doped titanium dioxide nanoparticles that can adaptively respond to environmental stimuli such as pH or temperature, modulating antibacterial properties in real-time. This is achieved through the integration of stimuli-responsive materials and advanced fabrication techniques, such as 3D printing. The inventive concept also encompasses methods for fabricating dental restorations, surface-coating dental implants, and preventing dental caries through the application of doped titanium dioxide nanoparticle-based coatings.

Novelty and Inventive Step

The new claims introduce the concept of adaptive antibacterial properties, which is a significant departure from the static antibacterial properties of the original patent. The use of stimuli-responsive materials and advanced fabrication techniques to achieve this adaptivity is also novel and non-obvious.

Alternative Embodiments and Variations

Alternative embodiments of the inventive concept could include the use of different types of stimuli-responsive materials, such as shape-memory alloys or polymers, or the integration of additional functionalities, such as anti-inflammatory properties. Variations of the inventive concept could also include the application of adaptive antibacterial properties to other medical devices or implantable materials.

Potential Commercial Applications and Market

The inventive concept has significant commercial potential in the dental and medical device industries, particularly in the areas of preventive dentistry, restorative dentistry, and implantable devices. The market for adaptive antibacterial materials is expected to grow significantly in the coming years, driven by the increasing demand for effective solutions to prevent and treat oral diseases.

CPC Classifications

SectionClassGroup
A A61 A61K6/844
A A61 A61C5/30
A A61 A61C19/063
A A61 A61K6/17
A A61 A61K6/62
A A61 A61K6/69
A A61 A61K6/816

Field of Art

Dental materials and nanotechnology, specifically focused on antibacterial compositions involving doped titanium dioxide nanoparticles for dental and medical applications. Requires expertise in materials science, surface chemistry, and dental biomaterials engineering with advanced knowledge of nanoparticle synthesis and modification techniques.

Person of Ordinary Skill (PHOSITA) Profile

A skilled practitioner with a PhD or equivalent industrial experience in materials science or dental engineering, familiar with advanced nanoparticle fabrication, surface modification techniques, and understanding of antibacterial material design strategies

Obviousness Rationale

A person skilled in the art would recognize that the adaptive antibacterial properties disclosed in the PTD represent a predictable extension of the source patent's foundational work on doped titanium dioxide nanoparticles. The core technological framework of nitrogen-doped TiO2 nanoparticles remains consistent, with the PTD introducing incremental modifications in response mechanism and application methodology. These variations would be considered obvious improvements leveraging known nanomaterial design principles and established dental material engineering approaches.

Obvious Combinations & Variations

Source Patent Element
Nitrogen-doped TiO2 nanoparticles with potential metal/non-metal dopants
PTD Variation
Adaptive matrix responding to pH and temperature stimuli
Obviousness Reasoning
Stimuli-responsive modifications are a known technique in nanomaterial design, representing a predictable variation that a skilled practitioner would find obvious when working with doped nanoparticle systems
Source Patent Element
Photocurable polymer precursor components
PTD Variation
3D-printed scaffolds with integrated doped nanoparticles
Obviousness Reasoning
Advanced fabrication techniques like 3D printing are a natural progression for implementing nanoparticle-enhanced dental materials, representing an obvious design choice for a skilled practitioner
Source Patent Element
Antibacterial dental composition with TiO2 nanoparticles
PTD Variation
Self-healing polymer matrix with autonomous crack repair mechanisms
Obviousness Reasoning
Integrating self-healing properties into dental materials is a known strategy in materials engineering, representing a finite set of predictable modifications to enhance material performance
Source Patent Element
Dental composition with multiple dopant options
PTD Variation
Synergistic combination of antibacterial and bioactive surface properties
Obviousness Reasoning
Multifunctional surface modifications are a standard approach in biomaterial design, representing an obvious optimization strategy for dental implant and restoration technologies
Source Patent Element
Solvothermal production of nitrogen-doped TiO2 nanoparticles
PTD Variation
Low-intensity laser activation of antibacterial properties
Obviousness Reasoning
Energy-mediated activation of nanomaterial properties is a well-established technique, representing a predictable and obvious extension of existing nanoparticle design principles
35 U.S.C. § 103 Summary: Based on the teachings of US Patent 11857651 and the published technical disclosure, a person having ordinary skill in the art would find the claimed variations obvious and anticipated, as the disclosed adaptations represent predictable modifications within the established technological framework of doped titanium dioxide nanoparticle systems for dental applications. The incremental innovations fail to demonstrate non-obvious characteristics that would distinguish them from the existing prior art.

Original Patent Information

Patent NumberUS 11,857,651
TitleCompositions with doped titanium dioxide nanoparticles and methods of use
Assignee(s)UT-BATTELLE, LLC, The Board of Regents of the University of Oklahoma