Nail dystrophy https://en.wikipedia.org/wiki/Nail_disease
Ko te Nail dystrophy he mate, he paheketanga rānei o te whao nā te pāwera (inflammation) e kore e mōhiotia. Tata ki te haurua o ngā kīhē whao harore e whakapaehia ana kāore he mate harore. He mate whao noa iho.

I te nuinga o te wā ka pohehehia te mate o te whao he onychomycosis me te rongoā. I mua i te tīmata o te rongoā antifungal me whakapumau e te kaiwhakarato hauora he mate harore. Ko te whakahaere māimoatanga ki ngā tangata kārekau he mate he tiaki hauora kore rawa, ka puta he mate kino.

Maimoatanga
Ka taea te werohia o te corticosteroid ki roto i ngā whao ki te rongoā i te mate whao.

Maimoatanga ― OTC Drugs
Aukati i ngā mahi e pā kino ana ki ō matikuku, pērā i te takaro pōkiri, te hīkoi. Kāore e whai hua te maimoatanga antifungal nā te mea kāore te onychodystrophy i puta mai i te mate harore.

☆ I te 2022 Stiftung Warentest hua mai i Tiamana, he iti noa iho te pai o nga kaihoko ki a ModelDerm i nga korero mo te waea rongoa utu.
  • Median nail dystrophy ― Ehara i te mea na te mate harore.
  • Nail dystrophy he maha nga maihao.
References Trachyonychia and Twenty-Nail Dystrophy: A Comprehensive Review and Discussion of Diagnostic Accuracy 27843915 
NIH
Ko te Trachyonychia, ko te twenty‑nail dystrophy ranei, e pā ana ki ngā whā angiangi, pakarukaru me te maha o ngā hiwi e rere roa ana. I ētahi wā, ka pōhehe te whakamahi a twenty‑nail dystrophy ki te whakaahua i ētahi atu tikanga e pā ana ki ngā whā e rua tekau.
The term trachyonychia, also known as twenty-nail dystrophy, is used to describe thin, brittle nails with excessive longitudinal ridging. The term twenty-nail dystrophy has been incorrectly applied to other conditions that can affect all twenty nails.
 Median nail dystrophy - Case reports 33318093 
NIH
I haere tetahi taangata 34‑tau te pakeke ki tana takuta na te mea he pāwera (lesion) kore mamae i runga i ona karakōnui takuta e rua (bilateral thumbnails) mo te 20 tau. Kaore ia i mahara ki te whara i ona maikuku, ka pangia ranei e te mate. I runga i nga takuta e rua (both thumbs), he pōwhiri pokapū (central linear depression) ki raro i waenganui, he rite te ahua ki te rakau pine (fir tree pattern), me ngā rāiho whakatere (parallel transverse ridges) ki runga.
A 34-year-old man presented to his primary care physician with a 20-year history of painless bilateral thumbnail lesions. The patient had no history of nail trauma or infection. Both thumbs had a central linear depression in a fir tree pattern, surrounded by parallel transverse ridges.
 Nail cosmetics: What a dermatologist should know! 37317711
Ahakoa he haumaru te nuinga o nga whakapaipai whao, ka taea tonu e ratou te arahi ki nga take penei i te tauhohenga mate mate, te riri, te mate, me nga raru<|message|>Hei taapiri, he rereke nga tikanga akuaku i roto i nga whare whao me nga whare ataahua, ka puta he raru nui penei i te paronychia me te nail dystrophy.
While most nail cosmetics are generally safe, they can still lead to issues such as allergic reactions, irritations, infections, and mechanical problems. It's worth noting that many of nail cosmetic procedures are carried out by beauticians who may lack proper knowledge of nail anatomy and function, rather than dermatologists. Additionally, the hygiene practices in nail salons and beauty parlors vary, which can result in acute problems like paronychia and nail dystrophy due to matrix injury.