Next-Generation Dental Composites with Enhanced Performance and Functionality

Publication ID: 24-11857650_0010_PTD
Published: October 28, 2025
Category:Future Evolutions & Paradigm Shifts

Legal Citation

pr1or.art Inc., “Next-Generation Dental Composites with Enhanced Performance and Functionality,” Published Technical Disclosure No. 24-11857650_0010_PTD, Published October 28, 2025, available at https://archive.pr1or.art/24-11857650_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. 11,857,650.

Summary of the Inventive Concept

This inventive concept envisions a next-generation dental composite material that leverages advanced silanated glass flakes with nanostructured surfaces, tunable thickness, and bioactive functionalities to achieve superior mechanical, optical, and biological properties.

Background and Problem Solved

The original patent disclosed a dental composition comprising silanated glass flakes, which provided excellent esthetic appearance and gloss retention. However, the current invention addresses the limitations of the original patent by introducing novel nanostructured surfaces, tunable thickness, and bioactive functionalities to the silanated glass flakes, thereby enhancing the overall performance and functionality of the dental composite.

Detailed Description of the Inventive Concept

The new inventive concept involves the use of silanated glass flakes with hierarchical surface topography, which can be synthesized through advanced milling and silanation techniques. These nanostructured glass flakes can be tailored to have specific thickness and aspect ratios, allowing for improved mechanical properties and optical characteristics. Furthermore, the glass flakes can be functionalized with bioactive molecules to promote dental tissue regeneration. The dental composition can be fabricated using 3D printing technology, enabling the creation of customized dental restorations with enhanced properties.

Novelty and Inventive Step

The new claims introduce novel and non-obvious features, including the nanostructured surface topography, tunable thickness, and bioactive functionalities of the silanated glass flakes. These advancements provide a significant improvement over the original patent, enabling the creation of dental composites with enhanced performance, functionality, and biocompatibility.

Alternative Embodiments and Variations

Alternative embodiments of the inventive concept may include the use of different types of silanes, varying the aspect ratio of the glass flakes, or incorporating additional functional materials to enhance the properties of the dental composite. Other variations may involve the development of new synthesis methods or fabrication techniques to produce the silanated glass flakes or the dental composite.

Potential Commercial Applications and Market

The next-generation dental composites envisioned by this inventive concept have significant commercial potential in the dental industry, particularly in the fields of restorative dentistry and dental biomaterials. The advanced properties and functionalities of these materials can enable the creation of high-performance, customized dental restorations that improve patient outcomes and satisfaction.

CPC Classifications

SectionClassGroup
A A61 A61K6/77
A A61 A61K6/17
A A61 A61K6/61
A A61 A61K6/62
A A61 A61K6/802
A A61 A61K6/816
A A61 A61K6/887
C C03 C03C3/087
C C03 C03C3/093
C C08 C08L33/10

Field of Art

Dental materials and composite technologies, specifically focusing on dental filler compositions with advanced glass flake technologies. Requires expertise in materials science, dental engineering, and polymer chemistry with knowledge of nanostructured materials and surface modification techniques.

Person of Ordinary Skill (PHOSITA) Profile

A skilled practitioner with advanced degrees in materials science or dental engineering, possessing expertise in synthesizing dental composites, understanding nanostructured materials, and applying surface modification techniques to improve material properties.

Obviousness Rationale

A person having ordinary skill in the art would recognize that the published technical disclosure represents predictable variations and extensions of the source patent's core teachings about silanated glass flakes in dental compositions. The PTD's proposed modifications, such as nanostructured surface topography and bioactive functionalization, represent logical engineering progressions that would be apparent to a skilled practitioner seeking to enhance dental composite performance.

Obvious Combinations & Variations

Source Patent Element
Silanated glass flakes with specific thickness between 50-1000 nm
PTD Variation
Nanostructured glass flakes with hierarchical surface topography and tunable thickness
Obviousness Reasoning
A PHOSITA would find it obvious to modify glass flake surface characteristics to improve mechanical properties, as surface engineering is a known technique for enhancing material performance in dental composites.
Source Patent Element
Milling glass flakes with aspect ratio of at least 20:1
PTD Variation
3D printing customized dental restorations using silanated glass flakes
Obviousness Reasoning
Combining known manufacturing techniques like 3D printing with existing glass flake technologies represents a predictable application of known methods to achieve enhanced dental restoration capabilities.
Source Patent Element
Silanated glass flakes with specific oxide composition
PTD Variation
Functionalization of glass flakes with bioactive molecules for tissue regeneration
Obviousness Reasoning
Surface modification of dental materials with bioactive agents is a well-established approach in biomaterials engineering, making this variation an obvious extension of existing knowledge.
Source Patent Element
Silane treatment of glass flakes to enhance polymer reactivity
PTD Variation
Stimulus-responsive glass flakes that modulate mechanical properties based on external conditions
Obviousness Reasoning
Developing responsive materials through advanced surface engineering is a predictable progression for skilled practitioners seeking to create adaptive dental composites.
Source Patent Element
Structural filler containing silanated glass flakes
PTD Variation
Advanced nanostructured glass flakes with enhanced optical and mechanical properties
Obviousness Reasoning
Incremental improvements in material performance through nanoscale engineering represent a standard approach for materials scientists seeking to optimize dental composite characteristics.
35 U.S.C. § 103 Summary: Based on the teachings of US Patent 11857650 and the published technical disclosure, a person having ordinary skill in the art would find the proposed variations in dental composite technologies to be obvious extensions of existing knowledge. The disclosed innovations represent predictable combinations of known techniques in materials science, surface engineering, and dental materials, thereby rendering potential patent claims obvious and unpatentable under 35 U.S.C. Section 103.

Original Patent Information

Patent NumberUS 11,857,650
TitleDental composition comprising a dental filler containing a structural filler and silanated glass flakes
Assignee(s)Dentsply Sirona Inc.