Chewing Gum Polyhexanide Controlled Release
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Solution Overview
Problem
Current oral antimicrobial compositions for treating infectious diseases in the oral cavity often require adherence to the teeth and have limitations in controlled release and localized delivery of active agents, leading to suboptimal efficacy and convenience.
Innovation Solution
A chewing gum composition incorporating polyhexanide, formulated with a gum base and compression forces to achieve controlled release, allowing for localized delivery and sustained action in the oral cavity, particularly targeting gingival pockets and dental surfaces.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If polyhexanide is incorporated into chewing gum for controlled release, then localized delivery and sustained action are achieved, but formulation complexity increases
Solution Approach 1:
The patent uses a composite gum base formulation containing multiple polymers (polyvinyl acetate, polyethylene, polyisobutylene) with specific molecular weights and ratios, combined with polyhexanide and various additives. This composite material approach enables controlled release of polyhexanide while maintaining gum functionality, resolving the contradiction between release efficacy and formulation simplicity.
Solution Approach 2:
The patent optimizes specific parameters including polyhexanide concentration (0.1-5% w/w), gum base polymer ratios, molecular weight ranges, and processing conditions (compression force, temperature). By precisely controlling these parameters, the formulation achieves reliable controlled release without excessive complexity.
2Productivity
If high compression force is used during gum manufacturing, then polyhexanide release is enhanced, but gum structure integrity may be compromised
Solution Approach 1:
The patent specifies compression forces in the range of 3,000-6,000 psi during manufacturing, which optimizes polyhexanide release while maintaining gum structural integrity. This parameter optimization resolves the contradiction between release rate and structure strength.
Solution Approach 2:
The multi-component gum base with specific polymer ratios creates a structurally robust matrix that can withstand compression forces while facilitating controlled release. The composite structure maintains integrity during processing and use.
3Reliability
If polyhexanide concentration is increased in chewing gum, then antimicrobial efficacy is improved, but taste and acceptability deteriorate
Solution Approach 1:
The patent optimizes polyhexanide concentration to 0.1-5% w/w, which provides effective antimicrobial action while minimizing impact on taste. This parameter optimization balances efficacy with sensory acceptability.
Solution Approach 2:
The gum base matrix acts as an intermediary vehicle that delivers polyhexanide to oral surfaces in a controlled manner, reducing direct contact between high concentrations of polyhexanide and taste receptors while maintaining antimicrobial efficacy at the treatment site.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The chewing gum composition provides effective, sustained release of polyhexanide, achieving high local concentrations at treatment sites, thereby enhancing antimicrobial action and convenience through on-the-go administration.
Implementation Method 1
the chewing gum composition provides effective, sustained release of polyhexanide, achieving high local concentrations at treatment sites
Implementation Method 2
greater than 75% of the total polyhexanide content in the chewing gum composition is released within 15 minutes from initiation of a chewing process
Implementation Method 3
the chewing gum core is formed using a compression force of between about 1 kN/cm2 and about 50 kN/cm2
Data Source
AI summary
This disclosure describes a chewing gum composition comprising polyhexanide for the treatment and/or prevention of an infectious disease in the oral cavity. The present disclosure also describes a chewing gum composition formulated for the controlled release of polyhexanide and optionally, at least one additional water-soluble antiseptic agent.