Materials that are strong under compression aren't necessarily strong under tension, and vice-versa. I would think teeth (just) need to be really strong under compression, and spider silk really strong under tension.

Ten years ago.

Has there been any progress since then?

More recent

https://www.nature.com/articles/s41467-022-31139-0

> reports tensile strengths up to ∼4.9 GPa

https://pubmed.ncbi.nlm.nih.gov/30142254/?utm_source=chatgpt...

> this paper details how specific chitin-binding proteins and nanoneedle mineral phases contribute to the hierarchical architecture that underpins the ∼3–5 GPa tensile strength range in limpet teeth

Researched with chatgpt o4-mini-high

Quotes from chatgpt summary.