Solid Chlorhexidine-Cetylpyridinium Compositions for Oral Biofilm Control
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Solution Overview
Problem
Current mouthwashes for oral health are environmentally costly due to high water consumption, energy use, chemical preservatives, and bulky packaging, and they struggle to effectively penetrate and degrade oral biofilm, leading to insufficient control of pathogenic bacteria.
Innovation Solution
A solid composition comprising chlorhexidine digluconate and/or diacetate and cetylpyridinium chloride, which can be dissolved in tap or bottled water for use, reducing water and energy consumption, minimizing preservatives, and effectively penetrating and degrading oral biofilm.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If liquid mouthwash formulations are used, then effective treatment of oral infectious pathologies is achieved, but high water consumption and environmental impact occur
Solution Approach 1:
The patent changes the physical state of the mouthwash from liquid to solid form (powder, granules, or tablets). This parameter change allows the product to be stored and transported in concentrated form, eliminating the need for large volumes of water. When used, the solid composition is dissolved in a minimal amount of water by the user, dramatically reducing water consumption during manufacturing and distribution while maintaining the same therapeutic effect.
2Reliability
If liquid mouthwash formulations are used, then effective treatment of oral infectious pathologies is achieved, but high energy consumption and costly production processes occur
Solution Approach 1:
The patent changes the physical state from liquid to solid, which fundamentally alters the production and distribution requirements. Solid formulations require less energy for manufacturing (no need for large-scale water treatment and purification systems), storage (no refrigeration or temperature control needed), and transportation (higher density, smaller volume). This parameter change eliminates the energy-intensive water treatment processes including reverse osmosis, microfiltration, and UV sterilization that are required for liquid mouthwashes.
3Reliability
If liquid mouthwash formulations are used, then effective treatment of oral infectious pathologies is achieved, but chemical preservatives and harmful additives are required
Solution Approach 1:
The patent changes the physical state from liquid to solid, which eliminates the need for chemical preservatives. Solid formulations are stable without preservatives because the low water activity prevents microbial growth. When dissolved in the user's mouth, the composition provides its therapeutic effect without requiring parabens or other potentially carcinogenic preservatives that are necessary in liquid formulations to prevent contamination during storage.
4Reliability
If liquid mouthwash formulations are used, then effective treatment of oral infectious pathologies is achieved, but bulky packaging and logistical effort are required
Solution Approach 1:
The patent changes the physical state from liquid to solid, dramatically reducing packaging volume and weight. Solid formulations can be packaged in compact containers without the need for large bottles designed to accommodate liquid volume. This reduces both the packaging material required and the shipping weight, eliminating the logistical burden of transporting heavy, bulky liquid mouthwashes while delivering the same therapeutic dose.
5Reliability
If liquid mouthwash formulations are used, then effective treatment of oral infectious pathologies is achieved, but insufficient penetration and degradation of oral biofilm occur
Solution Approach 1:
The patent uses a composite formulation containing both chlorhexidine digluconate and cetylpyridinium chloride together with specific excipients. This composite material approach creates a synergistic effect where the combination of antiseptic agents enhances penetration through the biofilm matrix and improves degradation of biofilm structure. The specific composition and particle characteristics of the solid formulation facilitate better delivery and release of the active ingredients compared to conventional liquid mouthwashes.
Data Source
Figure 1
AI summary
The present invention relates to a solid composition comprising chlorhexidine digluconate and/or diacetate and cetylpyridinium chloride for use in the prevention and/or treatment of oral infectious pathologies.