l*******e
发帖数: 3584 | 1 来自主题: TrustInJesus版 - 仿生发明 Human Teeth Structure and Aerospace Technology
人类牙齿结构激发航空科技y
(image via: diongillard)
Our teeth are only about a strong as glass – so how can they withstand
nearly a lifetime of chomping on all kinds of hard foods? Researchers at
Tel Aviv University examined thousands of extracted human teeth and found
that under stress, the highly sophisticated structure that makes up the
exterior of our teeth forms a network of micro-cracks instead of large
ones. These tiny cracks are then able to heal over ti... 阅读全帖 |
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b********n
发帖数: 38600 | 2 6 The Locusts of the Abyss
（Revelation 9:7-11）
7 The locusts looked like horses prepared for battle. On their heads they
wore something like crowns of gold, and their faces resembled human faces. 8
Their hair was like women’s hair, and their teeth were like lions’ teeth.
9 They had breastplates like breastplates of iron, and the sound of their
wings was like the thundering of many horses and chariots rushing into
battle. 10 They had tails with stingers, like scorpions, and in their tails
they ha... 阅读全帖 |
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Q******y
发帖数: 401 | 3 不是校友，看来要对我不客气了。哈哈。
好吧，我最后一帖，科普一下。
most manual gearbox using splash lubricate. means lower part of the gear
stays in oil bath. and gear turning/rotating splash the oil to gear teeth
and lubricate the higher portion of the gear teeth. at neutral position,
gears are not biting each other and not rotating. gear teeth tend to be less
lubricated. this will cause metal to metal contact and worn out the teeth
when gear is engaged.
http://www.roymech.co.uk/Useful_Tables/Drive/Gear_lubrication.html
手动变速箱内 |
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Q******1
发帖数: 489 | 4 About your child:
dental treatment depends on the size of caries at contact of teeth, oral
hygiene, and caries risks. S,T,K,and L are primary molars. usually they are
exfoliated around 11-12 years old. If there are caries, you have to restore
it.
If the caries are big, I prefer stainless steel crown (SSC) which can last
long time till exfoliation. If it is small, the amalgam filling are ok, but
you have to help your child clean teeth everyday and use floss, which clean
the contact surfaces of te... 阅读全帖 |
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b*****n
发帖数: 10665 | 5 笑气不会睡过去的，只是让孩子反应变慢，没力气动：P
全麻才是睡过去，然后按计量算的时间长短醒过来。
怎么没早点发现呢？！
你BB还睡前喝牛奶么？一定要淑口喝的话。不要吃太多零食。
用ACT FLUORIDE RINSE天天淑口
BABY TEETH有虫牙还可以换掉，ADULT TEETH就不能换了。
拔BABY TEETH最大的问题是SPACE MAINTAIN。 如果年纪不大就拔掉，很容易造成
ADULT TEETH出来的时候长歪。尤其是2ND BABY MOLAR。有些早早拔掉的要安SPACE
MAINTAINER。
虽然有些虫牙比较大，但能保留还是最好保留不要拔。
补牙，做STAINLESS CROWN都行。 |
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d******a
发帖数: 1047 | 6 来自主题: _PerfectMoms版 - 杯具！ i am very very mad why my kiddo did not get my good-teeth gene
I have been seeing dentist once (to use insurance to clean teeth), and he
was very surprised by my teeth condition
and in fact, I brush teeth once a day most time, never floss/brush |
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r*****0
发帖数: 293 | 7 找到两个来源，华盛顿的牙是从黑奴那里买的
http://www.ucd.ie/amerstud/archives/Morgan.htm
A French dentist, who specialized in tooth transplants and first treated
Washington in 1783, advertised in newspapers for people to sell him teeth.
Possibly, then, Washington bought his slaves’ teeth to have them implanted
in his mouth or to be used in his dentures.
http://www.srmason-sj.org/council/journal/feb99/REES.HTM
In the 1780s, a French dentist tried unsuccessfully to transplant teeth
into Washington’s mouth, and some e |
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c***r
发帖数: 4631 | 8 不知道这样的东西算书么， 1772 BCE的样子。刻的内容如下：
CODE OF LAWS
1. If any one ensnare another, putting a ban upon him, but he can not prove
it, then he that ensnared him shall be put to death.
2. If any one bring an accusation against a man, and the accused go to the
river and leap into the river, if he sink in the river his accuser shall
take possession of his house. But if the river prove that the accused is not
guilty, and he escape unhurt, then he who had brought the accusation shall
be put to death, while he... 阅读全帖 |
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k*****r
发帖数: 21039 | 9 What is it Like to Teach Black Students?
by Christopher Jackson
Until recently I taught at a predominantly black high school in a
southeastern state. The mainstream press gives a hint of what conditions are
like in black schools, but only a hint. Expressions journalists use like “
chaotic” or “poor learning environment” or “lack of discipline” do not
capture what really happens. There is nothing like the day-to-day experience
of teaching black children and that is what I will try to ... 阅读全帖 |
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w*********g
发帖数: 30882 | 10 黑人学校和黑人世界的真相 - Chris Jackson
发信站: BBS 未名空间站 (Mon Dec 21 22:28:09 2015, 美东)
What is it Like to Teach Black Students?
by Christopher Jackson
Until recently I taught at a predominantly black high school in a
southeastern state. The mainstream press gives a hint of what conditions
are
like in black schools, but only a hint. Expressions journalists use like “
chaotic” or “poor learning environment” or “lack of discipline” do not
capture what really happens. There is nothing like the da... 阅读全帖 |
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W*******n
发帖数: 4140 | 11 【The following file was given by me to some physicians, including Dr.
Robert S. April on my Nov. 08, 2019 visit. A very similar file was given to
a treating physician, Dr. Mehrdad Golzad. An earlier version was provided to
NYS Workers' Compensation Board and the WC insurance adjuster Ms. Lisa
White in June 2019. Almost nobody cares. Medical readers can understand why
the deniers want to wipe Neck off the established list of established injury
sites, because the Neck was seriously injured during ... 阅读全帖 |
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W*******n
发帖数: 4140 | 12 【The following file was given by me to some physicians, including Dr.
Robert S. April on my Nov. 08, 2019 visit. A very similar file was given to
a treating physician, Dr. Mehrdad Golzad. An earlier version was provided to
NYS Workers' Compensation Board and the WC insurance adjuster Ms. Lisa
White in June 2019. Almost nobody cares. Medical readers can understand why
the deniers want to wipe Neck off the established list of established injury
sites, because the Neck was seriously injured during ... 阅读全帖 |
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w******g
发帖数: 2047 | 13 【 以下文字转载自 Military 讨论区 】
发信人: kayaker (霜晨の月), 信区: Military
标 题: 黑人学校和黑人世界的真相 - Chris Jackson
发信站: BBS 未名空间站 (Mon Dec 21 22:28:09 2015, 美东)
What is it Like to Teach Black Students?
by Christopher Jackson
Until recently I taught at a predominantly black high school in a
southeastern state. The mainstream press gives a hint of what conditions are
like in black schools, but only a hint. Expressions journalists use like “
chaotic” or “poor learning environment” or “lack of discipline” do... 阅读全帖 |
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M****o
发帖数: 4860 | 14 就是，起码也得写下面这篇这么长。。。
Why I Am Not A Christian
What Is a Christian?
Nowadays it is not quite that. We have to be a little more vague in our
meaning of Christianity. I think, however, that there are two different
items which are quite essential to anybody calling himself a Christian. The
first is one of a dogmatic nature -- namely, that you must believe in God
and immortality. If you do not believe in those two things, I do not think
that you can properly call yourself a Christian. Then, further tha... 阅读全帖 |
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s*i
发帖数: 388 | 15 本人f1, 学校的医疗保险，但是不cover牙齿，除非是wisdom teeth related。。。 最
近wisdom teeth有点不舒服的感觉但不严重，所以我闲得没事去学校的hospital要求
outside referal到另外一个医院的 oral surgery 看看我的wisdom teeth....
结果去看的过程是:等了大半个月才排到我，然后看牙过程才20min,包括拍了个x ray,
其余时间就是让doctor看看我的牙，聊聊天。。。
最后他们说这个wisdom tooth可以拔，但是要排队1个月，费用大概是700$, 我有$240
的deductible。。。。 我嫌贵就跟他们说cancel了。。。
我以为就这样的“诊断”应该是不用钱的，或者只要付xray那部分最多也就$100，结果
今天收到一张bill，上面是$360, xray $60， 最可恶的是这部分 consultant $300...
..
nnd，哪里有这么黑的医院？我现在应该怎么办？。。。。谢谢达人解答！ |
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w*****y
发帖数: 2182 | 16 Just describe a little of my experience.
I have the same concern before my wisdom teeth are extracted. Some
experience are:
1 Before making a decision to extract wisdom teeth, consult at least 2,
preferably 3 doctors. If all of them say you should have your teeth
extracted, that is probablly true
2 Definitely have a surgeon do the operation. Usually the dentist will refer
a surgeon he knows. My feeling is, a good area and a good dentist usually
will have a good surgeon. And you will need to make |
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b*****n
发帖数: 10665 | 17 sealant is a preventive treatment, also called primary care. Normally, all
molars should be sealed after they fully erupted. Sealant can help reduce 60
% of cavities on Occlusal surfaces, where deep pits and fissures exist. It
can only be applied when there is no decay.
In your case, it seems that you already got decays (cavities) on teeth.
Filling is a secondary treatment. The DDS has to remove the portion of the
teeth which has been affected and put composite material on your teeth and
shape i |
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b*****n
发帖数: 10665 | 18 sealant is a preventive treatment, also called primary care. Normally, all
molars should be sealed after they fully erupted. Sealant can help reduce 60
% of cavities on Occlusal surfaces, where deep pits and fissures exist. It
can only be applied when there is no decay.
In your case, it seems that you already got decays (cavities) on teeth.
Filling is a secondary treatment. The DDS has to remove the portion of the
teeth which has been affected and put composite material on your teeth and
shape i |
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b*****n
发帖数: 10665 | 19 sealant is a preventive treatment, also called primary care. Normally, all
molars should be sealed after they fully erupted. Sealant can help reduce 60
% of cavities on Occlusal surfaces, where deep pits and fissures exist. It
can only be applied when there is no decay.
In your case, it seems that you already got decays (cavities) on teeth.
Filling is a secondary treatment. The DDS has to remove the portion of the
teeth which has been affected and put composite material on your teeth and
shape i |
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t*******n
发帖数: 4445 | 20 Exclusions and Limitations: Dental treatment: except for accidental Injury
to Sound, Natural Teeth, or due to congenital disease or anomaly.
It means:
All dental treatments are excluded from benefit, except for (1) treating
accidental injury (only if the teeth were ok before injury, and were natural
teeth as opposed to denture etc.), or (2) when treatment is due to
congenital disease or anomaly. |
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s*i
发帖数: 388 | 21 本人f1, 学校的医疗保险，但是不cover牙齿，除非是wisdom teeth related。。。 最
近wisdom teeth有点不舒服的感觉但不严重，所以我闲得没事去学校的hospital要求
outside referal到另外一个医院的 oral surgery 看看我的wisdom teeth....
结果去看的过程是:等了大半个月才排到我，然后看牙过程才20min,包括拍了个x ray,
其余时间就是让doctor看看我的牙，聊聊天。。。
最后他们说这个wisdom tooth可以拔，但是要排队1个月，费用大概是700$, 我有$240
的deductible。。。。 我嫌贵就跟他们说cancel了。。。
我以为就这样的“诊断”应该是不用钱的，或者只要付xray那部分最多也就$100，结果
今天收到一张bill，上面是$360, xray $60， 最可恶的是这部分 consultant $300...
..
nnd，哪里有这么黑的医院？我现在应该怎么办？。。。。谢谢达人解答！ |
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D*******y
发帖数: 189 | 22 Go to a dentist, have your teeth cleaned at lest twice a year, and make sure
you have no cavity, gingivitis and periodontitis. brush your teeth two time
a day, two minutes each, floss your teeth and clean your tongue at least
once a day |
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q****q
发帖数: 53 | 23 You need night guard. Your enamels( the hardest layer of your teeth) may
already grind off. The second layer of your teeth are softer,and easily
grinned off then you'll feel your teeth sensitive to cold,hot,sweet and
anything. In addition,grinding may cause jaw problem.
Make appointment with your dentist and get your night guard soon. |
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k******e
发帖数: 8870 | 24 【 以下文字转载自 Parenting 讨论区 】
发信人: wigglyteeth (PHDDS), 信区: Parenting
标 题: 小孩子的出牙和换牙时刻表
发信站: BBS 未名空间站 (Wed Mar 20 22:36:11 2013, 美东)
有些家长担心自己的孩子出牙过早或过晚，这是一个小孩子的出牙和换牙时刻表 。家
长可以大至对照一下。
Primary Teeth Development Chart
Upper Teeth When tooth emerges When tooth falls out
Central incisor 8 to 12 months 6 to 7 years
Lateral incisor 9 to 13 months 7 to 8 years
Canine (cuspid) 16 to 22 months 10 to 12 years
First... 阅读全帖 |
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o********n
发帖数: 134 | 26 My dentist suggested me to have both the two teeth extracted. It was a
little bit painful some weeks ago. but now it is not. should I have both two
teeth extracted? I only want the wisdom tooth removed. But my dentist didn'
t want to only remove the one. I am open to second opinion. thank you very
much. Below is the picture of the teeth. https://imgur.com/a/hT7RB |
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m**2
发帖数: 3374 | 27 给你提供一点材料！
So what would the penalty for noncompliance be? Jail time? Nope. The
language in the Act specifically rules out jail time, saying at Section 500A
(g)(2)(A):
In the case of any failure by a taxpayer to timely pay any penalty
imposed by this section, such taxpayer shall not be subject to any criminal
prosecution or penalty with respect to such failure.
So, no jail time.
But that means that the IRS will chase you and lien your property if you don
’t pay, right?
Nope. That’s not allowe... 阅读全帖 |
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az
发帖数: 16686 | 28 http://www.whattoexpect.com/toddler-health/child-first-dental-
visit.aspx?xid=nl_YourDailyNewsletterfromWhattoExpect_20091025
Say good-bye to your toddler's toothless, gummy grin and say hello to
his first dental visit.
Whether your toddler has a mouth filled with teeth or only a few poking
through, it’s time to start thinking about keeping his adorable smile
healthy. Sure, baby teeth don’t hang around forever (they generally
start to fall out to make way for adult teeth by the time your child i |
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x******u
发帖数: 613 | 29 call ped. It should be OK. I have 3 friends whose kids lost their front
tooth/teeth. Dr. pulled the teeth out and told them that this will not
affect their permanent teeth. |
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d*******r
发帖数: 26 | 30 She has 6 teeth already. She used to let me brush her teeth with cloth that
wrapped with my finger. When she
was about 6, 7-month old, she opened her mouth well, and she liked to bite
baby spoon.
I don't know what made her close her mouth and won't let me feed her any
more.
By the way, I did not see her with lots of mouth water dropping while she is
having new teeth. |
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p********5
发帖数: 7433 | 31 上门牙有几个龋齿, those teeth will change soon. No need to fix.
When our kids are 2-3, they have bad teeth, and were suggest to put to sleep
and have teeth fixed. We refused.
需要注射麻醉, this question many parents discussed before. You may go to
medicine to search for the topic. |
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B****D
发帖数: 1124 | 32 hum, how old is your baby?
I have started brushing my son's teeth since he was 10 months. Shower, play
alittle and eat solid. He sit and eat so won't fall asleep. Couple minutes
after take him to restroom out him infront of mirror and brush his teeth
with the infant brush set. I got the strawberry and banana favor, he love it
.
Guess your main problem is drink and fall asleep. honestly, toddlers shouldn
't get use to fall asleep while drinking, it damage their teeth I heard =P |
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b*******g
发帖数: 83 | 33 Stop the baby half way through the bottle and burp.
As for teether, Vulli Sophie is the best I had for my son. It works
everywhere, front teeth, back teeth, middle teeth...... |
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w*****9
发帖数: 696 | 34 Thanks for all your answers!
It looks like most of you said regular teeth clean is ok. How come I had an
impression that in the past some people recommended avoiding teeth cleaning
? or maybe just mean avoiding X-rays for teeth? |
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G**i
发帖数: 99 | 35 If you can post a picture, I can take a look.
usually, it can heal itself, especially after one day.
Not necessary visit ER. suggest see pediatric dentist.
and take upper occlusal x-ray to evaluate front teeth. Sometime, the front
teeth have root fracture which can be seen in x-ray.
usually traumatic teeth might be discoloration or abcess (if severe) in
future. |
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w*********h
发帖数: 334 | 36 有些家长担心自己的孩子出牙过早或过晚，这是一个小孩子的出牙和换牙时刻表 。家
长可以大至对照一下。
Primary Teeth Development Chart
Upper Teeth When tooth emerges When tooth falls out
Central incisor 8 to 12 months 6 to 7 years
Lateral incisor 9 to 13 months 7 to 8 years
Canine (cuspid) 16 to 22 months 10 to 12 years
First molar 13 to 19 months 9 to 11 years
Second molar 25 to 33 months 10 t... 阅读全帖 |
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p***w
发帖数: 1906 | 38 正常的4个月有个睡眠衰退期 ，我家宝宝前几天也开始晚上睡不好，然后查到下面这个
，我就认了，熬吧！
It's very normal for babies to start waking more around 4 months- so much
so that there's even a widely accepted term for it: the 4 month sleep
regression. It doesn't happen because you're allowing him to use the breast
as a pacifier or because you're been too lenient or because you forgot to
hop on one foot while singing the national anthem, or whatever other crazy
reason people have to explain why the sleep disruptions are your fault
instead of... 阅读全帖 |
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R*********i
发帖数: 7643 | 39 My daughter started seeing pediatric dentist at the age of 13 months. At
the visit, for most of the time the dentist was educating the parents on how
to care her teeth in everyday life. At the end he performed an examination
and applied fluoride on her teeth. The cost was $90. We had been following
-up every 6 months since then. During the most recent visit the dentist
cleaned her teeth and the cost increased to around $150. After she reaches
three there will be X-ray exams. So far all the c |
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w********9
发帖数: 8613 | 40 • Can my child get a disease through biting?
The risks of transmitting diseases like Hepatitis B virus (HBV) or Human
immunodeficiency virus (HIV) via biting are extremely low.
Hepatitis B Virus (HBV)
Children who carry HBV and do not show aggressive behavior (biting,
scratching) can attend child care programs, as long as they are healthy
enough to withstand infections (like colds) that are common in child care
settings.
Children who carry HBV should be monitored for behavior or medical pr... 阅读全帖 |
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B****1
发帖数: 222 | 41 hi, I just have the same issue.
My 3-year old fell and he "probably" will lose his teeth. But his dentist
gave us two options: extraction or crowning.
To my understanding, putting a crown doesn't need extraction. My question to
you is: did the dentist suggest you for crowning? Extraciton only may cause
problem for your kid's adult teeth coming out at the right time and right
position. I would choose crowning if we found out his teeth are dead in late
summer.
My second question is: how long did t... 阅读全帖 |
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G**i
发帖数: 99 | 42 3个月观察期 is reasonable. If infection, teeth needs extraction. otherwise,
depending on the damage on the teeth, if there are fracture or loss of tooth
structure due to trauma, crown (SSC) is necessary to save the teeth. |
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y****g
发帖数: 594 | 43 my daughter has her two big front teeth pulled when she was 2, just because
my insurance can only cover her until she reach 2. Because of this delay,
when cannot save her 2 teeth. Or else if we just pay by myself, we might
save them. Never believe the dentist in China, there is not even pediatric
dentist in China. After we have dental surgery for her, her teeth is just
fine as we brush her for 2 times per day and floss everyday. |
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g**********1
发帖数: 1593 | 44 I just recently found dark spots on a few back teeth, not front ones. She
does not complain, but she pointed to her teeth a few times when she was
eating a few months ago. I did not pay attention because she just had 2
years check up, and her pediatrician said her teeth were good. This
pediatric dentist was referred by her pediatrician. Thank you all for your
input. |
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j***e
发帖数: 708 | 45 I guess lots of people pay attention to teeth at first impression. it
bothers me a lot if someone has bad teeth. and the un-natural shining white
teeth distract me too:) |
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A***X
发帖数: 7 | 46 非常同意. 我有亲身体会.我们夫妻两个都上班,还有1岁和四岁两个小孩.
我老公12岁的侄女送到我家读书.她母亲也不同意,父亲一意孤行要把她送到美国读书,
说国内上学太苦,让她早点出来学英语快.来了美国不能回国,怕被被别人笑.女孩好吃懒
惰,不懂事,说我们的饭菜不好吃,学习不自觉,从不主动帮忙.下课后,整天呆在房间上中
文网,电脑被老公拿了,就看电视,没好看的电视,就看天花板睡觉.在学校里一个朋友也
没有(在中国也没朋友).卫生习惯很差,上完厕所不洗手,3-4天洗燥,脚臭,不喜欢brush
teeth...
一天, 我们出去买菜,她母亲说他家没人,午饭怎么办,没人做饭给你吃.
老公基本上只顾吃住,不管教育(学习和做人).自己孩子也不教育.侄女学习很差,也不告
诉他哥,觉得只要英语更上,就没问题的.他对侄女说:你要好好看书,我帮你在你爸那儿
瞒着,如果他知道,会把你打死.来了一年,英语根本没更上.Reading 一直交白卷,0分.
侄女在我家还影响夫妻关系,闹的鸡飞狗跳.去年暑假她妈妈要她回国brace teeth,her
father did not want her to go bac... 阅读全帖 |
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w*********h
发帖数: 334 | 47 有些家长担心自己的孩子出牙过早或过晚，这是一个小孩子的出牙和换牙时刻表 。家
长可以大至对照一下。
Primary Teeth Development Chart
Upper Teeth When tooth emerges When tooth falls out
Central incisor 8 to 12 months 6 to 7 years
Lateral incisor 9 to 13 months 7 to 8 years
Canine (cuspid) 16 to 22 months 10 to 12 years
First molar 13 to 19 months 9 to 11 years
Second molar 25 to 33 months 10 t... 阅读全帖 |
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B******1
发帖数: 9094 | 48 By reading this post, I found that there is need to do some genetic research
on conditions/reasons leading to healthy, white teeth and better, high-tech
ways to maintain one's teeth. If successful, many parents would pay for
such products which provide a dummy's approach to good teeth. |
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l**a
发帖数: 5175 | 49 According to her dentist, there are no baby teeth at all, second molar teeth
are coming usually at 12, already showing up. We are very early at teething. |
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l**a
发帖数: 5175 | 50 We don't have any that kind of problems, no cavity, no significant problems.
Her teeth are almost perfect, just little gaps between her lower bottom
teeth.
That's because her teething too early, hopefully, that could be done. |
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