February 26, 2024

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3 min read

Brushing my enamel to start with matter when I wake has develop into as enshrined in my morning regime as putting on my eyeglasses or using a shower. The minty freshness readies my lizard brain for breakfast and the day at significant, I’d notify myself.

So, imagine my shock and horror when I realized my girlfriend would only brush after breakfast — “What’s the point when your tooth will just get dirty once more?” she’d argue.

Her view was clearly blasphemy, but a tiny element of myself experienced to concur. So, I responded the only way I understood how — by interviewing specialists and discovering significantly way too a lot about oral hygiene.

The reality, it turns out, is far more intricate.

The situation for brushing your tooth ahead of breakfast

Dr. Feisel Haji is a dental surgeon practising at Toronto’s SoHo Dental workplaces. While there is “no suitable or completely wrong response here,” he claimed, “There’re arguments to be created for positive aspects and negatives to both equally.”

A fantastic offer of plaque — a sticky, germs laden movie that appears on enamel — accumulates all through our slumber, Haji discussed. Meanwhile, “most of our breakfasts tend to be acidic. Orange juices, apple juices — and it tends to be substantial in carbs as nicely.”

The blend is considerably less than great: acidic meals can erode enamel and Haji said plaque micro organism would use the carbs in our breakfast to develop extra acid, making us far more prone to tooth decay.

But brushing beforehand would get rid of plaque and the motion of brushing stimulates saliva manufacturing, which in flip shields in opposition to acid, Haji mentioned.

Dr. Aviv Ouanounou is an affiliate professor of pharmacology and preventative dentistry at the College of Toronto. He tells me the timing of one’s early morning brush is “an location of controversy.”

Investigate reveals, “acidic breakfast food items can weaken your enamel for around 45 minutes immediately after you have eaten,” Ouanounou pointed out. If you brush throughout this time period, the pressure of your brushing might injury your enamel, he mentioned.

“Brushing just before breakfast has some other benefits — it was revealed to raise saliva movement for illustration,” he continued. “And escalating saliva move is pretty essential for the reason that saliva has a lot of enzymes and proteins that are likely to defend your teeth.”

The case for brushing just after breakfast

There are also arguments for brushing after breakfast, that’s why the controversy.

For instance, 1 of the significant added benefits of brushing one’s teeth is coating people chompers with fluoride-laden toothpaste. Fluoride assists rebuild and reinforce tooth enamel, guards against acids and prevents decay, the dentists say.

By brushing immediately after breakfast, “you’ve set the stage for acquiring fluoride in the tooth for the subsequent couple of several hours … The tooth are ‘charged’ for the upcoming few several hours,” Haji explained. If you brush in advance of, some of that fluoride will get washed off

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2 min read

A shapeshifting robotic microswarm may perhaps one day act as a toothbrush, rinse, and dental floss in 1.

The technologies, developed by a multidisciplinary team at the University of Pennsylvania, is poised to give a new and automated way to conduct the mundane but vital day by day responsibilities of brushing and flossing. It is a process that could be especially useful for those people who deficiency the manual dexterity to clean their tooth successfully on their own.

The creating blocks of these microrobots are iron oxide nanoparticles that have both equally catalytic and magnetic exercise. Applying a magnetic discipline, researchers could immediate their motion and configuration to form both bristlelike structures that sweep away dental plaque from the wide surfaces of tooth, or elongated strings that can slip between enamel like a size of floss. In equally circumstances, a catalytic response drives the nanoparticles to produce antimicrobials that eliminate hazardous oral germs on internet site.

Experiments using this technique on mock and authentic human tooth confirmed that the robotic assemblies can conform to a selection of shapes to practically get rid of the sticky biofilms that direct to cavities and gum ailment. The Penn staff shared their results setting up a evidence-of-idea for the robotic procedure in the journal ACS Nano.

“Routine oral care is cumbersome and can pose difficulties for lots of people today, primarily these who have tough time cleaning their teeth” says Hyun (Michel) Koo, a professor in the Office of Orthodontics and divisions of Community Oral Wellbeing and Pediatric Dentistry in Penn’s Faculty of Dental Medication and co-corresponding writer on the research. “You have to brush your teeth, then floss your teeth, then rinse your mouth it’s a handbook, multistep process. The significant innovation listed here is that the robotics procedure can do all 3 in a single, palms-cost-free, automated way.”

“Nanoparticles can be shaped and controlled with magnetic fields in astonishing strategies,” states Edward Steager, a senior exploration investigator in Penn’s Faculty of Engineering and Used Science and co-corresponding creator. “We kind bristles that can increase, sweep, and even transfer again and forth throughout a space, significantly like flossing. The way it is effective is very similar to how a robotic arm could get to out and thoroughly clean a area. The method can be programmed to do the nanoparticle assembly and motion management quickly.”

Disrupting oral care technology

“The design of the toothbrush has remained fairly unchanged for millennia,” says Koo.

Though including electric powered motors elevated the standard “bristle-on-a-stick” format, the essential notion has remained the exact. “It’s a technological know-how that has not been disrupted in a long time.”

Quite a few years back, Penn researchers within just the Centre for Innovation & Precision Dentistry (CiPD), of which Koo is a co-director, took measures towards a important disruption, applying this microrobotics process.

Their innovation arose from a little bit of serendipity. Research teams in both of those Penn Dental Medicine and Penn Engineering were being fascinated in

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2 min read

Most of us brush our teeth on autopilot. So let us quit and inquire: are you carrying out it appropriately? For a entire two minutes? Do you use the right style of brush and toothpaste?

Did you know you’re supposed to spit, not rinse after brushing?

And brushing soon following consuming acidic foods, like citrus, can injury your tooth?

Right here, I remedy five concerns frequently asked at the dentist.

1. Am I brushing accurately?

For starters, make absolutely sure you’re brushing both equally tooth and gums at the very least 2 times a working day.

Brushing removes dental plaque, the grey-white bacterial mass that sticks to the tooth and gum surface.

If still left undisturbed for at minimum a working day, plaque microbes multiply and begin to experienced.

Plaque can bring about injury to the tooth enamel and the dentine underneath.
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Mature plaque types an architecturally sophisticated mass with its very own sewerage technique.

Plaque feeds on the foodstuff we try to eat, specially carbs (sweet and savoury) to strengthen and build a elaborate structure that releases acids and gassy, smelly by-products (plaque sewage).

Experienced plaque on your teeth and gum surfaces can guide to cavities (holes in our tooth) and gum condition.

Cavities type in our teeth when the mineral in our enamel and at some point, dentine, dissolves to neutralise plaque acids. In excess of time, the tooth softens and caves in.

Just about every time you brush, you halt plaque bacteria from feeding on your foodstuff, multiplying and maturing. Experienced plaque blended with mineral in your saliva sorts calculus or tartar.

Calculus can only be taken off wholly by a dentist or hygienist working with specific instruments.

Not brushing before bed is particularly risky saliva flow cuts down and foodstuff caught in between your tooth ferments, creating a excellent petri dish for plaque growth. This is where flossing or utilizing tapered interdental cleaners can help.

Make confident you clean up the enamel at the back of your mouth, and don’t rush. The Australian Dental Affiliation recommends brushing for two minutes morning and evening.
Enjoy this online video for some handy guidelines on how to brush your enamel.

2. How do I appear right after my gums and protect against lousy breath?

Undesirable breath can be induced by gum sickness.

Right after two to three months of poor brushing, the experienced plaque triggers the gums to swell, redden and bleed easily.

This is since the gum’s blood vessels leak immune fighting cells to try out and demolish the plaque.

But the plaque’s defence technique repels the attack. Anything your body throws at it bounces off and starts to split down the bone that holds your enamel in your head.

This method is regarded as advanced gum disorder or periodontal condition. It takes place bit by bit and painlessly. As the gums recede, enamel look elongated.

Untreated, your tooth might come to be agonizing, loosen and even fall out.

This is

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