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(со страницы Orca teeth for gift)

The teeth of a whale or toothed whale are often bought for a gift for the birthday of a son or daughter.

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Re: the soft teeth line. This is from the debate, Todd: "Their teeth are very soft, they don't have the common enamel that you see on other animals, it's mainly of dentin, so it's a very soft structure"

I've looked into this (and someone else has already previously made a post about it); like most of what falls out of Seaworld's mouth it seems to be 'partially' true. Orca teeth don't seem to have a robust coating of enamel (but they do have it) -- that doesn't mean their teeth are "soft." To give you an objective idea of the difference in "softness", according to wiki enamel is a 5 on the Mohs Scale and dentin is a 3.

I mean, so soft -- this guy needs a rock saw to cut one in half: https://www.youtube.com/watch?v=MBfZt3bdees#t=740

Keep in mind also that the whales' teeth would probably be even worse off if they had thicker enamel, because enamel is more brittle than dentin and brittle + concrete/metal doesn't seem like it'd end well. Dentin is considerably softer, but it's not marshmallow. I also don't think evolution-shaped apex predators would fare well if their teeth reliably wore to nothing by the time they were barely teens. Plenty of well-aged wild whales (that are not Offshores) still have teeth.

Only Offshores seem to have the egregious tooth wear, which is linked 100% to their diet, and whether or not they have that is honestly irrelevant to the captives because it literally has nothing to do with them. Even in their own little, special "environment." I mean, shit. I challenge "Todd" to chew on a corner of concrete for a few minutes every day, combined with some compulsive metal-gate-gnawing and teeth-clicking. With his robust human dentition that should prove to be no issue, right? Properly enameled teeth can easily deal with that. /s If anyone has any further information/better sources/stuff to add, feel free. I honestly didn't know much about whale teeth until I went and rooted around last night, but what I discovered excuses approximately 0% of the captives' poor dental health. (Like I should be surprised at this point.) In fact, it seems that the whales in wild get abscesses and die if their teeth break/have the pulp blatantly exposed (as one would expect...) -- this apparently happened to Old Tom. But age appears to be correlated with the pulp-cavity being more and more filled in with dentin. Perhaps this is how the ones whose teeth wear down over a long time/due to diet cope with what, in a traumatic injury, would likely mean death.

#swsd debate #orca teeth