Understanding dental erosion and abrasion causes
The letter explains erosion as enamel wear and notes most dentists call it abrasion. Mechanical wear from poor brushing often causes abrasion. untreated shallow areas may be fluoridated to desensitize, while deep depressions can be filled. A concerned grandma asks about delayed permanent teeth after a toddler accident. the dentist advises dental check, possible X ray if needed, and radiation protection.
MENTIONED IN THIS ARTICLE
Bjh
Letheeee
Wis
Grandma
Mr. Clemens
Mich
Kennedy half dollars and coin hoarding myths
The piece argues against the notion that Kennedy half dollars are heavily hoarded by collectors. It notes 1.65 billion minted, most remain in circulation or exported, with uncirculated examples valued around $1. It cites dealers’ listings, compares to Eisenhower and Apollo coins, and discusses how coins flow to Europe and the public.
MENTIONED IN THIS ARTICLE
U.S. Mint
Wall Street Journal
United States
Kennedy
Dwight Eisenhower
Rivers and Provinces in Colonial Wordplay
A brief linguist note lists words: Rivers plural, African, Trouser coll., Canadia provinces, Anoint, Hurried. The compact glossary compiles these terms with cryptic hints, suggesting a historical cipher or crossword style from a colonial era publication.
MENTIONED IN THIS ARTICLE
Canadia
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