Depressed scar

Depressed scar ka noho ki raro i te mata o te kiri, ka totoro, he rua rānei te āhua. Ko te hakihaki te take noa o te hērua.

Maimoatanga
#Ice pick scar - TCA peeling (CROSS technique)
#Rolling scar - Laser resurfacing by Erbium laser or fractional laser
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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.
      References Methods for the Improvement of Acne Scars Used in Dermatology and Cosmetology: A Review 35628870 
      NIH
      Ko te Acne vulgaris he mate kiri mō te wā roa e puta ai ngā momo pimples pērā i te pango pango me te kiri. Mēnā kāore te rongoā i te tika, ka puta he whiu. Ka tirotirohia e tēnei arotake ngā momo mate hakihaki me ngā huarahi hei whakapai ake. E toru ngā momo matua: icepick, rolling, boxcar scars, he rerekē te hohonu me te āhua. He maha ngā maimoatanga whai hua e wātea ana, tae atu ki ngā lasers, radiofrequency, micro‑needling, me ngā chemical peels.
      Acne vulgaris is a chronic skin disease that, depending on its course, is characterized by the occurrence of various skin eruptions such as open and closed comedones, pustules, papules, and cysts. Incorrectly selected treatment or the presence of severe acne vulgaris can lead to the formation of atrophic scars. In this review, we summarize current knowledge on acne scars and methods for their improvement. There are three types of atrophic scars: icepick, rolling, and boxcar. They are of different depths and widths and have different cross-sections. Scars can combine to form clusters. If acne scars are located on the face, they can reduce the patient's quality of life, leading to isolation and depression. There are multiple effective modalities to treat acne scars. Ablative lasers, radiofrequency, micro-needling, and pilings with trichloroacetic acid have very good treatment results.
       A systematic review and meta-analysis on the effects of the ultra-pulse CO2 fractional laser in the treatment of depressed acne scars 35249351
      Tirotirohia e tēnei rangahau ngā pepa e ono mō te pai o te laser hautanga ultra‑pulse CO₂ ki te rongoā i ngā whiu hakihaki pouri. I kitea e ngā hua, he pai ake tēnei maimoatanga laser i te whakataurite ki ētahi atu tikanga; ka pai ake ngā hua i runga i ngā reiti whakapai ake me te āhua o te kiri mānene o ngā turoro.
      This study examined 6 papers about how well the ultra-pulse CO2 fractional laser treats depressed acne scars. The results showed that this laser treatment was more effective compared to other methods, leading to better outcomes in terms of improvement rates and how smooth patients' skin felt.