Specialized Dental Compositions for Niche Applications

Publication ID: 24-11857650_0009_PTD
Published: October 28, 2025
Category:Specialized Variations & Niche Solutions

Legal Citation

pr1or.art Inc., “Specialized Dental Compositions for Niche Applications,” Published Technical Disclosure No. 24-11857650_0009_PTD, Published October 28, 2025, available at https://archive.pr1or.art/24-11857650_0009_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 adapts dental compositions comprising silanated glass flakes and structural fillers for specific, narrow markets or unique operational environments, ensuring high-performance and tailored properties for high-security needs, disaster relief, and extreme weather conditions.

Background and Problem Solved

The original patent disclosed a dental composition with silanated glass flakes and structural fillers, providing excellent esthetic appearance and gloss retention. However, this composition may not be suitable for specialized applications requiring enhanced security, rapid deployment, or resistance to extreme environmental conditions. The new inventive concept addresses these limitations by introducing tailored variations of the dental composition.

Detailed Description of the Inventive Concept

The inventive concept comprises dental compositions with silanated glass flakes and structural fillers, specifically designed for high-security needs, disaster relief, or extreme weather conditions. For high-security needs, the composition features silanated glass flakes with an average thickness of 100 nm to 500 nm and a structural filler with an average particle size of 0.5 μm to 2 μm, treated with a high-security coating. For disaster relief, the composition involves mixing silanated glass flakes with an average thickness of 200 nm to 800 nm with a polymerizable resin mixture, and then adding a structural filler with an average particle size of 1 μm to 3 μm. For extreme weather conditions, the composition includes silanated glass flakes with an average thickness of 300 nm to 1000 nm and a structural filler with an average particle size of 1.5 μm to 4 μm, treated with a weather-resistant coating.

Novelty and Inventive Step

The new inventive concept introduces novel combinations of silanated glass flakes and structural fillers, tailored to specific niche applications. The inventive step lies in the adaptation of the original patent's composition to address the unique requirements of high-security needs, disaster relief, and extreme weather conditions, resulting in enhanced performance and properties.

Alternative Embodiments and Variations

Alternative embodiments of the inventive concept could include varying the average thickness of the silanated glass flakes, the average particle size of the structural filler, or the type of coating applied. Additionally, the composition could be modified to accommodate different polymerizable resin mixtures or curing conditions.

Potential Commercial Applications and Market

The specialized dental compositions have significant commercial potential in the dental industry, particularly in niche markets such as high-security facilities, disaster relief organizations, and extreme weather environments. The target industries include dental manufacturers, security companies, disaster relief providers, and construction companies operating in extreme weather conditions.

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 compositions, specifically dental fillers with specialized glass flake and structural filler configurations, requiring expertise in materials science, polymer chemistry, and dental material engineering

Person of Ordinary Skill (PHOSITA) Profile

A professional with advanced degree in materials science or dental engineering, familiar with composite material design, surface modification techniques, and dental material performance optimization

Obviousness Rationale

A PHOSITA would recognize that the PTD's variations represent predictable extensions of the source patent's core dental composition technology by systematically adjusting glass flake thickness, structural filler particle size, and introducing specialized coatings within known parametric ranges. The disclosed modifications represent routine optimization techniques commonly employed in dental material development to target specific environmental or application requirements. The technical variations demonstrate standard engineering problem-solving approaches within the established framework of the source patent's fundamental composition.

Obvious Combinations & Variations

Source Patent Element
Silanated glass flakes with 50-1000 nm thickness
PTD Variation
Narrowing thickness range to 100-500 nm for high-security applications
Obviousness Reasoning
Predictable variation within known thickness parameters, representing standard design choice for targeted material performance
Source Patent Element
Structural filler with 0.1-3 μm average particle size
PTD Variation
Adjusting particle size to 0.5-2 μm for specific environmental conditions
Obviousness Reasoning
Routine parameter optimization within established compositional ranges, demonstrating predictable material engineering approach
Source Patent Element
Silanation process for glass flakes
PTD Variation
Adding specialized high-security or weather-resistant coatings
Obviousness Reasoning
Known surface modification technique representing standard method of enhancing material properties through additional processing steps
Source Patent Element
Polymerizable dental composition
PTD Variation
Introducing targeted polymerizable resin mixtures for disaster relief applications
Obviousness Reasoning
Predictable material adaptation using known polymer chemistry principles and standard formulation techniques
Source Patent Element
Glass flake composition with specific oxide percentages
PTD Variation
Maintaining substantially similar oxide composition while adjusting processing parameters
Obviousness Reasoning
Preserving fundamental material chemistry while exploring performance variations through processing modifications
35 U.S.C. § 103 Summary: Based on US Patent 11857650's comprehensive disclosure of dental compositions comprising silanated glass flakes and structural fillers, the present publication demonstrates that the claimed variations represent obvious extensions of the prior art through routine materials engineering techniques. A person having ordinary skill in the art would recognize these modifications as predictable adaptations within the established technological framework, thereby rendering potential derivative claims obvious and unpatentable.

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.