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I am a dentist. The article and some of the comments here make me sad. sorry for the bad apples in my profession. I am sure most of the dentists are honest. If you have questions about procedures you don't understand, you can ask me.


I hate to say it, but I do not believe that most dentists are honest. Have you heard of the Readers Digest dentist investigation? In any other field it would have been a come-to-Jesus moment, prompting total reform, but the industry escaped with a mountain of PR and no change. That was nearly thirty years ago. Since then, median gross dentists' billings have increased significantly. Support for evidence-based, low-intervention dentistry is practically nonexistent in the US.


my dental school is pretty big on evident based dentistry. Many dentists I works with often refer to researches and guidelines. Even dentists arguing with each other on the internet quote researches. So I think it is getting better.


This is the same country that thinks it’s okay to dock tails on corgis, to remove foreskin on babies who aren’t lucky enough to be born in a west coast blue state, and pushes “ferberization” on hundreds of millions of children to remind them that their parents don’t want to take care of them if they cry when it’s inconvenient. I’m not even bringing up the literal scams of chiropractors or “naturopathic” doctors.

We are a disgusting, cruel people. Finland or Sweden would lock up (in cushy prison camps) the white coats for a fraction of what they get away with here in the USA


> I am sure most of the dentists are honest.

Honest but incompetent. For example most wisdom tooth removals are not necessary, but because (I think) it was taught at dental school most would recommend it.

To be fair this is not a dentists' only problem, it's true for every profession.


they didn't teach us to remove every wisdom teeth in dental school. also your assertion that "most wisdom teeth removal are not necessary" does not fit my observations.


> every wisdom teeth

Did I use the word 'every'?

>most wisdom teeth removal are not necessary" does not fit my observations.

This does not fit in with the anecdotes I have and personal experiences.

Also 2 people user here has commented on wisdom tooth removals :

https://news.ycombinator.com/item?id=42019210 https://news.ycombinator.com/item?id=42017899

So where do you think is the discrepancy in what you have observed and what 3 users on this forum have commented on?


I respect your opinion. The fact that I have extracted (and not extracted) more wisdom teeth than 3 of you means nothing to this argument is what worries me the most: Dentists have lost patients trust. I am no longer a trustworthy expert. So sad.


How frequently is jaw surgery required to fix bite issues? And if chewing and biting food are painless and not too cumbersome, how likely is the situation to devolve over time to the place that surgery becomes necessary?


jaw surgery is needed if the malocclusion is due to skeletal issue. meaning braces alone would not be enough to fix the bite.


Given that most of us can only afford to go to the dentist twice a year when our insurance covers it, what advice do you have for sussing out bad apples?


word of mouth. just ask your friends and relatives for referral.


I'm with you. The dog pile of negative comments here has me thinking just one thing. Time to log off for the day.


Is there a way to programmatically upload to google drive from each worker's local drive after they sign off for the day?


I am sure you can write scripts to copy/upload files to GoogleDrive. alternatively, users can map google drive in PC and directly save the file in GDrive.


Thank you. This is helpful.


lack of or reduced blood supply


Hong Kong is not the only place where people speak Cantonese. The entire region of GuangDong (Canton) speak this dialect. Do they believe all "trolls" speak Mandarin?


The people of Guangdong will usually tell you that South Chinese people are generally apolitical and tend to care more about money and good food.


Its just desperation when the solutions are nonexistent or inefficient

Not dissimilar to calling everyone that disagrees with you a Russian bot, which was very prevalent in the states for a few years


Too much insulin pumped into human body can literally kill a person. I don't think it is safe for hobbyist to hack a medical device like this.


Why don't you let the hobbyist decide what he or she thinks is safe to hack on.

As a T1D myself, having to spend about 50% of my waking life second-guessing what my endocrine system is up to (with the same system screwing with my cognitive ability to successfully do so), I want to Close The Loop as quickly as possible, barring an actual cure.

Yes, it is dangerous "hacking" these systems. But just as dangerous is every one of the daily decisions I have to keep making myself, over and over again.


I think it's fine if you're willing to accept the risk. My 7 year old has been a type 1 diabetic since he was 19 months old. Despite being a software developer and being tech savvy, I'm unwilling to use a DIY solution like this on him. If I had type 1 diabetes, I'd be more likely to try it.

Having said that, we still benefit from these efforts. I run Nightscout on Heroku so I can monitor his blood glucose levels remotely while he's in school. This is less necessary now that he's using a Dexcom CGM (they provide their own glucose sharing app.) His previous pump/CGM was made by Medtronic - their sharing functionality is/was atrocious and Nightscout's bridge made it serviceable. We also have a few tablets around the house so we can keep an eye on it throughout the day and night.


Spoken like someone who isn't diabetic.

Ill give you a hint: if you mistake the math for self injection, badness is a lot quicker.

The pumps are slow. And its easy to see if a meters messed up cause of extra insulin down a clear tube.


Too much of anything is bad, that is the definition of 'too much'.


An single extra unit (or less) of insulin can kill a type 1 diabetic. I don't expect non-diabetics to understand what that means, but it's not more than a few drops of insulin.


What ISF does your kid have that a single unit will kill him/her? A single unit is barely noticeable on the graph for me.

I've been using Loop for a few weeks now and the improvements in quality of life are so huge that any concerns I had about safety went away. Reading the docs, which are a great example on how documentation should be written, helped a lot with that too.


The typical level of sensitivity is absolutely in range for a single unit to produce a catastrophic event.

It sounds like you may have a low sensitivity factor. The usual starting point for estimating this, along with using the "1800 rule", puts typical sensitivity around a drop of 50 points in blood sugar for every unit of insulin. This based on a weight around 65-70 kilos and 0.5 units/day/kilo.

Of course it depends on other details too, even time of day. (My wife, who uses a medtronic pump, clocks in at right about this level but is less sensitive in mornings and more so later on. her pump is programmed for these time-dependent sensitivity fluctuations )

This level of sensitivity absolutely has lethal potential with a single-unit swing. If you're in the low end of normal at 75 points and take another unit dropping it to 25, this is plenty low to cause a person to pass out and thereby be unable to take corrective action, with lethal consequences, especially if the pump is still delivering a basal dose inching levels even lower.

You might argue that careful people shouldn't encounter this situation, and you'd be right. But it still can and does happen, meaning a hobbyist setup that gets something even a little bit wrong has that same potential.


I don't recall off the top of my head, but keep in mind he weighs roughly 50lb. As I mentioned in other comments, Tandem's coming out with their equivalent of Loop (called "ControlIQ") in the 2nd half of this year, so I'd obviously prefer a supported solution. Plus, it's unlikely the school system is going to be willing to have anything to do with a non-official system.


What kills is an unchecked persistent low blood sugar causing confusion, black out, coma, and eventually cardiac arrest.

A single unit of insulin in isolation, to a T1D with undepleted glucagon stores is going to cause a low but won’t result in a black out.

A single extra unit of insulin, to a small child, who just completed a long day of exertive activity, and who had lows earlier in the day which drew on their body’s natural glucagon store, and who is not being monitored by a third party, that could be dangerous.

Keep in mind the accuracy of dosing with a syringe is not much better than +/- 0.25 units, this is why continuous monitoring is so crucial. You never quite know how well the insulin is absorbing, how well the carbs are being digested, maybe even how many carbs exactly were ingested in the first place.

For a small child with a carb ratio of 30g/unit (1 unit of insulin “covers” 30 carbs) and a sensitivity upward of 200/unit (1 unit of insulin without any carbs lowers blood sugar 200 points), being dosed by syringe, without a CGM, you are fighting lows pretty regularly and have to be able to recognize and treat them (glucose tabs, juice, cake frosting when things get more serious, and glucagon injection when things get critical).

I’ve never had to gluke my kids, but the day will likely come. We carry glucagon, juice boxes, and tabs everywhere.

T1D is potentially life threatening pretty much every day. You do the best you can with the tools you have to keep blood sugars in range without too many lows (too high is long-term bad, too low is short-term bad).


While that's true, in this case the difference between "just enough" and "too much" can be very small.


Dentist. I was a software developer for 9 years before dental school. This year I am doing my residency. Last week, I did fillings, root canals, extractions, implants, IV sedations, and seeing medical complex patients in hospital. It felt like it's a dream.


It is smart that you designed the retainers based on maximum tolerance of tooth movement quoting from a textbook. I suggest you take X ray to make sure no root resorption have occurred. Also for those who want to imitate, measure the length of teeth and compare with the arch length to make sure the teeth can actually "fit" into the arch. I am a dental student.


By "length of teeth", do you mean their width measured along the arch of teeth, or vertically?


In this case: the width. aka the "mesial-distal" length.


I worked remotely in my previous job for 3 years and noticed team cohesion suffered. There is something about being in close proximity with coworkers help people care more about each other.


Sadly my plan B was a change of career completely after 30. Not proud, but at least I code for fun now.


Student here. Why do you run a localhost web server before pushing to git? Is this a git thing? (I am a newbie to github). Thanks. I like this nice short article.


It's not necessary for git, no. However, it's a really good habit to get in—you make some changes to the project and then test it locally before pushing your changes to your git repo (on github and/or elsewhere). This way, you make sure your changes didn't break something that was previously working.

Now as to why start the simple http server to check your work vs. opening the index.html file directly in the browser:

1) relative links can behave in an unexpected manner using the file:// path, and you'll get more consistent behavior using the server

2) There are sometimes permissions errors loading scripts into the page when it's displaying through file:// (relatedly, protocol relative links eg. //code.jquery.com/jquery-2.1.3.min.js won't work).


3) AJAX won't work (since there's no HTTP backend to talk to)


Not _entirely_ true. AJAX will work, it just cannot access the 'file:' protocol by default. Requesting HTTP content will work fine.


Haha, okay sure you are technically correct (although that's what I was getting at), but I'm going to nitpick you back and remind you that "requesting HTTP content" will not in general work because of same origin policy.


I knew I was forgetting something.


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