1938 NY Times newspaper TOOTH DECAY CAUSE discovered ToBe STREPTOCOCCUS BACTERIA for Sale

1938 NY Times newspaper TOOTH DECAY CAUSE discovered ToBe STREPTOCOCCUS BACTERIA For Sale

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1938 NY Times newspaper TOOTH DECAY CAUSE discovered ToBe STREPTOCOCCUS BACTERIA:
$38.00

1938 NY Times newspaper TOOTH DECAY CAUSE is discovered To Bea STREPTOCOCCUS BACTERIA -inv #6Y-109

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SEE PHOTO-----COMPLETE, ORIGINALNEWSPAPER,theNew York Times datedOct 18, 1938.This newspaper contains prominent inside page \"stacked\" single column headlines with a long detailed report of the discovery that TOOTH DECAY (dental caries) is caused by a STREPTOCOCCUS BACTERIA.

Tooth decay, also known as dental caries or cavities, is a breakdown of teeth due to acids made by bacteria. The cavities may be a number of different colors from yellow to black. Symptoms may include pain and difficulty with eating. Complications may include inflammation of the tissue around the tooth, tooth loss, and infection or abscess formation.

The most common bacteria associated with dental cavities are the mutans streptococci, most prominently Streptococcus mutans and Streptococcus sobrinus, and lactobacilli. However, cariogenic bacteria (the ones that can cause the disease) are present in dental plaque, but they are usually in too low concentrations to cause problems unless there is a shift in the balance. This is driven by local environmental change, such as frequent sugar, no biofilm removal (a lack of toothbrushing). If left untreated, the disease can lead to pain, tooth loss and infection.

The mouth contains a wide variety of oral bacteria, but only a few specific species of bacteria are believed to cause dental caries: Streptococcus mutans and Lactobacillus species among them

The cause of caries is acid from bacteria dissolving the hard tissues of the teeth (enamel, dentin and cementum). The acid is produced by the bacteria when they breakdown food debris or sugar on the tooth surface. Simple sugars in food are these bacteria\'s primary energy source and thus a diet high in simple sugar is a risk factor If mineral breakdown is greater than build up from sources such as saliva, caries results. Risk factors include conditions that result in less saliva such as: diabetes mellitus, Sjogren\'s syndrome and some medications. Medications that decrease saliva production include antihistamines and antidepressants. Caries is also associated with poverty, poor cleaning of the mouth, and receding gums resulting in exposure of the roots of the teeth.

Prevention of dental caries includes regular cleaning of the teeth, a diet low in sugar, and small amounts of fluoride. Brushing the teeth twice per day and flossing between the teeth once a day is recommended by many. Fluoride may be from water, salt or toothpaste among other sources. Treating a mother\'s dental caries may decrease the risk in her children by decreasing the numbers of certain bacteria. Screening can result in earlier detection. Depending on the extent of destruction, various treatments can be used to restore the tooth to proper function or the tooth may be removed. There is no known method to grow back large amounts of tooth. The availability of treatment is often poor in the developing world. Paracetamol (acetaminophen) or ibuprofen may be taken for pain.

Worldwide, approximately 2.3 billion people (32% of the population) have dental caries in their permanent teeth. The World Health Organization estimates that nearly all adults have dental caries at some point in time. In baby teeth it affects about 620 million people or 9% of the population.[ They have become more common in both children and adults in recent years. The disease is most common in the developed world due to greater simple sugar consumption and less common in the developing world. Caries is Latin for \"rottenness\".

Very good condition. This listing includes thecomplete entire original newspaper, NOT just a clipping or a page of it. STEPHEN A. GOLDMAN HISTORICAL NEWSPAPERS stands behind all of the items that we sell with a no questions asked, money back guarantee. Every item we sell is an original newspaper printed on the date indicated at the beginning of its description. U.S. buyers pay priority mail postage which includes waterproof plastic and a heavy cardboard flat to protect your purchase from damage in the mail. International postage is quoted when we are informed as to where the package is to be sent. We do combine postage (to reduce postage costs) for multiple purchases sent in the same package. We acceptpayment by PAYPAL as well as by CREDIT CARD (Visa and Master Card). We list thousands of rare newspapers with dates from 1570 through 2004 on each week and we ship packages twice a week. This is truly SIX CENTURIES OF HISTORY that YOU CAN OWN!

Stephen A. Goldman Historical Newspapers has been in the business of buying and selling historical newspapers for over 45 years. Dr. Goldman is a consultant to the Freedom Forum Newseum and a member of the American Antiquarian Society. You can buy with confidence from us, knowing that we stand behind all of our historical items with a 100% money back guarantee. Let our 45+ years of experience work for YOU ! We have hundreds of thousands of historical newspapers (and their very early precursers) for sale.