What's in your mouth, and why it matters.
Clear, evidence-based writing on microplastics, dental materials and the science of what your retainer is actually made of. Researched, referenced, and free of scare tactics.
Retainer microplastics: the nightly exposure nobody measured
30,000+ hours of contact, one piece of petroleum plastic, no published data — and the three things that actually reduce the exposure.
Read → Research · 8 min readMicroplastics and BPA in fillings: what research shows
White fillings are plastic-based. What they release, for how long, and what to do about it — read honestly, no scare tactics.
Read → Research · 9 min readMicroplastics in the human body: what's been found
Blood, placenta, lungs — the landmark detections, what science honestly doesn't know yet, and where dental devices fit.
Read → Research · 7 min readNightguards, dentures, mouthguards: the overlooked plastics
Ground nightly, worn for decades, bitten through every match — the oral plastics nobody measures, and the questions to ask.
Read → Guides · 7 min readBPA-free retainers UK: what to look for
What "BPA-free" actually means, why the substitutes matter as much as BPA, and how to verify a maker's claim before you buy.
Read → Guides · 9 min readPlastic-free dentistry: an honest guide
From toothbrushes to retainers and aligners — what "plastic-free" genuinely means, what sheds during wear, and the questions worth asking of any brand.
Read →What are dental retainers made of?
Almost every retainer in the UK is made from the same family of thermoplastics — and almost no manufacturer publishes what they shed during wear. Here's what the materials actually are.
Read →Microplastics and clear aligners: what the research says
A growing body of peer-reviewed work has measured what orthodontic plastics release under simulated wear. We summarise the findings — and what's still unknown.
Read →Invisalign alternatives in the UK: an honest guide
From at-home brands to clinic-led treatment, the UK aligner market has changed fast. A clear-eyed look at the options, the trade-offs, and what to watch for.
Read →How often should you replace your retainer?
Retainers warp, wear and harbour bacteria long before most people replace them. What the evidence says about timing — and why the material matters.
Read →