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Sigma Physics Teacher 🗿.


"In this tribal rite of passage, tooth sharpening and scarification symbolize identity, maturity, and beauty — but science lies beneath the tradition too.

Tooth Sharpening: In tribes like the Mentawai of Indonesia or Afar of East Africa, front incisors are manually shaped using friction, chisels, or files. Physics explains how repeated mechanical abrasion reshapes enamel — the hardest tissue in the human body — into sharp points.

Scarification: Skin is intentionally cut in patterns and allowed to heal, producing raised scars due to collagen remodeling — a biological process where the body strengthens healing tissue with fibrous collagen fibers.


Together, these modifications demonstrate how physics (pressure, friction) and biology (wound healing, tissue remodeling) can transform pain into cultural pride. It’s a powerful blend of science and tradition — where beauty, identity, and adulthood are written on the body."





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