Taking advantage of today's International Tooth Day
today I will tell you about that period of
123_strong_span_strong 123_strong 123_strong_span_strong15_strong 123_strong15_strong_span5 Chinese versionAccording to archaeological discoveries in the lower Yellow River
4000-6500 years ago ( China Neolithic)
p2p
2p Iron-hard pounding method
and the natural method to extract the tooth
- tethering method _span2
- span5 span5 _span _strong span5 _span_strong p2p
refers to repeatedly hitting the tooth with a hard object
to break the tooth root,Then remove
, but archaeologists have found in many human bones that
still have broken teeth in their alveolar sockets
, except that the method is not clean.
is also easy to knock people away
- let the natural way _strong18spstrong5 span7span _strong18sp _ul56lip _ul56sp _ul56sp _ul56sp _span 5 He wrote in "Sick Tooth"
"It seems that the arm is crippled, and it is difficult to keep the tooth when you fall." span7span
, but the pain of the long flow of water is more likely to make people collapse
At the same time foreign
1 7000 p _span7
1 7000 p _span7
Sumerian drew
This magical tooth decay picture
5span
An
is caused by bugs in it
This idea can be said to have a profound impact
Many terrifying tooth extraction methods are also based on this
span5 strong span Deworming method"
The tooth extraction person will first use smoke
to force the "worms" out
and then pull out the teeth with a force
Start
This is not over yet
The ultimate operation of tooth extraction
is to stretch a strong 15 span_strong span5 into the mouth of the patient.
Use high temperature to melt the gaped meat
to achieve the purpose of hemostasis
5 Due to the limited sanitary conditions of span2p
5
died of bacterial infection
But it is more lethal than toothache
span 5span people often choose to take a fight
, as it is written in the collection of poems "Vedas"
"Cut the mountains apart,As long as the anger of the teeth can be calmed"
The ancient Indians would rather sacrifice their homeland
also want to heal toothache
span5 span5 This was the first name that appeared in the dentist 18span
span5 In the late century
At that time, most of them were guest appearances by other doctors
or even barber
until the end of the 19th century
So far, some infections caused by tooth extractions in history
are also a lot less
The screen in front of you is wrong too? Wrong
people spend their minds for a good tooth
no less than the hair on the back of your head
h123 It might be
The way of the ancient Romans-
One bite of urine a day
to keep teeth white _stron g18strong
Heian era Japanese are the opposite
They think
strong_strong_
18_strong_strong_
strong_strong_
img p img
0 Add iron filings to wine or vinegar to make black water
and apply it to the teeth with a brush
This is a kind of rich "beauty"
can be said to be very advanced in comparison
firstly Southern and Northern Dynasties period
appeared in the production of saponified japonica, sacred ground yellow and span_5 span_5 span
arrived in the Song Dynasty
There have also been toothbrushes made by horsetail
The official also advocates: _span_strong18
2p img
2p img
2p img twice a day
Even the ancients are so particular about
What reason do we have to treat teeth badly?
good teeth,They are all protected
1. Brush the teeth in the correct way
Use to clean the neck and sulcus effectively
Food residues in the food
Do not give them a chance to form dental plaque
2, control sweets and carbonated beverages
cola in coke hydroxyphosphate calcium
, which corrodes the outermost layer of teeth Countless small holes
and sweets can provide nutrients to the bacteria on the teeth
help them pass through the armor
img0
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References:
[1] Wang Fengwei's teeth extraction. Dawenkou Culture , Majiabang culture and Qujialing culture as examples[J]. Puyang Vocational and Technical College Journal,2016, 29 (05): 18-22.
[2]Fu Qiao. The knowledge points of caries are all here [N]. Public Health News, 2021-03-02(018).
[ 3]Hu YT, Yu F., Tang XY, Wu WZ, Zhang P., Hu ZH, Chen JH, Xing XD, Xiao YH. The antibacterial effect and physical performance of pit and fissure sealants based on an antibacterial core–shell nanocomposite [J]. Journal of the Mechanical Behavior of Biomedical Materials, 2021, 117.
0p0 Tether a heavy object or arrow
Take it away at a speed that the teeth can't respond