Biobased Custom Dental Arch
Official patent title
Organic dental device and method of preparation thereof
Arabic title: جهاز أسنان عضوي وطريقة تحضيره
Invention
Invention
Problem
Dental appliances must fit accurately and withstand oral loading, while poorly fitting or irritating devices can harm enamel or gums and some conventional materials are not biodegradable.
Why it matters
A partly biobased molded dental arch could broaden materials research, but oral biocompatibility, extractables, plasticizer exposure, microbial behavior, mechanical durability, fit, sterilization, and clinical safety require independent evidence.
Approach
The device molds a composite of seed- and bone-derived nanocellulose and nanostarch, plant and animal ingredients, ZnO nanoparticles, adhesives, pigments, PVC, and plasticizers into a tooth-conforming dental arch.
Who may benefit
Potential beneficiaries include dental-materials researchers, orthodontic appliance developers, biomaterials laboratories, dental-device manufacturers, and groups studying waste-derived polymer composites.
Potential value
The disclosure integrates multiple biobased feedstocks with ZnO, adhesives, pigments, PVC, and plasticizers and provides acid-hydrolysis, molding, photo-curing, and thermal-curing routes for a tooth-conforming arch.
Background
Background
Dental braces and related appliances correct or maintain tooth position, but poor fit or surface interactions can irritate gums, damage enamel, or create hygiene challenges. Material selection must balance mechanical performance, dimensional stability, oral compatibility, cleanability, and manufacturing. The patent proposes a matrix using agricultural and animal-derived feedstocks plus synthetic components. Although described as organic and biobased, the formulation also contains PVC, cyanoacrylate, ZnO nanoparticles, and optional phthalate or other plasticizers, all of which require careful oral-exposure evaluation.
Technology overview
Technology overview
Olive seed, date seed, fish bone, and sheep bone are acid-hydrolyzed to nanocellulose and nanostarch. These are combined with starch, moringa extract, glycerin, bone powders, ZnO nanoparticles, plant gels and gums, cyanoacrylate, botanical pigments, PVC, and at least one plasticizer. The matrix is pressed into a dental-arch mold and photo-cured for 10–30 seconds at 250–850 mW/cm2 or thermally cured at 100–160 °C for 3–6 hours. Claims specify particle-size and mechanical-property values.
Potential applications
Potential applications
- Potential research on molded tooth-conforming dental arches.
- Potential orthodontic appliance material studies.
- Potential waste-derived dental composite research.
- Potential customizable dental-device fabrication after clinical validation.
Evidence-supported advantages
Evidence-supported advantages
- Uses several agricultural and animal-derived feedstocks.
- Defines a molded arch with tooth-conforming pockets.
- Provides both photo-curing and thermal-curing options.
- Claims particle-size, tensile-strength, and tensile-modulus values.
Development stage
Development stage
The patent publication describes material preparation, molding, and curing and states mechanical-property values; independent oral-safety, clinical, and commercial validation were not established.
Commercial opportunity
Commercial opportunity
The concept may interest dental-device and biomaterials developers. Translation requires reproducible composition, fit and dimensional stability, fatigue and wear, saliva aging, extractables and leachables, phthalate and PVC assessment, ZnO exposure, cytotoxicity, sensitization and irritation, microbial retention, sterilization, shelf life, animal-derived sourcing controls, clinical evidence, and applicable medical-device review.
Patent classifications
Patent classifications
WIPO IPC
- A61C13/00Dentistry; apparatus or methods for oral or dental hygiene
CPC
- A61C13/0006Dentistry; apparatus or methods for oral or dental hygiene
- A61C2201/00Dentistry; apparatus or methods for oral or dental hygiene
Inventors
Inventors
- First inventorABM Sharif Hossain
- InventorHasan Ahmed Rudayni
- InventorMohammad Saad Aleissa
- InventorFazliny Abdul Rahman
Keywords
Keywords
- dental device
- dental arch
- nanocellulose
- nanostarch
- ZnO nanoparticles
- PVC
- plasticizer
- biobased composite
Patent document and drawings
Patent document and drawings
The patent publication is mapped to this record. Patent drawings remain within that publication; no separately cleared public media package has been supplied.