Dentistry notation symbols

[Jason Dusek]

Consider U+23BE: it is labelled as "Dentistry Symbol Light Vertical and
Right".

https://www.compart.com/en/unicode/U+23BE

Now, I have no idea what these are about; but it is clear that the mystery
of the dentistry symbols is not about APL.

philip chastney via Unicode <unicode at corp.unicode.org> schrieb am Fr. 8.
Apr. 2022 um 18:26:

> the symbols in your message are all APL symbols,
> not dentistry symbols at all
>
> /phil
>
> On Friday, 8 April 2022, 19:39:06 UTC, Jonathan Chan via Unicode <
> unicode at corp.unicode.org> wrote:
>
>
> What are code points U+23BE..U+23CC in Miscellaneous Technical used for?
>
> ⎾⎿⏀⏁⏂⏃⏄⏅⏆⏇⏈⏉⏊⏋⏌
>
> They're all named DENTISTRY SYMBOL LIGHT..., and the Standard only says
> they're for dental notation:
>
> *Dental Symbols.* The set of symbols from U+23BE to U+23CC form a set of
> symbols from JIS X 0213 for use in dental notation.
>
>
> According to Wikipedia the first two and the last two are used in Palmer
> notation <https://en.wikipedia.org/wiki/Palmer_notation>, but it doesn't
> explain what the rest of them are used for. The only historical document I
> could find with some sort of explanation is document N2195
> <https://www.unicode.org/L2/L2000/00098-n2195.pdf>, but it only explains
> how they're used and not what they're meant to represent, why they need to
> exist, or what the circle, triangle, and tilde mean. Based on some cursory
> searching it doesn't seem like those symbols are standard in modern dental
> notation either.
>
> Jonathan
>
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