A cikin 1720s, yayin da daular Toungoo ta ragu, canjin iko a yankin Lanna ya kai ga Ong Kham, wani yariman Tai Lue, ya gudu zuwa Chiang Mai kuma daga baya ya bayyana kansa a matsayin sarkinta a 1727. A wannan shekarar, saboda yawan haraji, Chiang Mai. sun yi wa Burma tawaye, inda suka yi nasarar fatattakar sojojinsu a cikin shekaru masu zuwa.Wannan tawaye ya haifar da rabuwar Lanna, tare da Thipchang ya zama mai mulkin Lampang, yayin da Chiang Mai da Ping Valley suka sami 'yancin kai.^[20]Mulkin Thipchang a Lampang ya ci gaba har zuwa 1759, sannan ya biyo bayan gwagwarmaya daban-daban na iko, wanda ya shafi zuriyarsa da kuma shiga cikin Burma.Burma ya karbe iko da Lampang a shekara ta 1764 kuma, bayan rasuwar Abaya Kamani, gwamnan Burma na Chiang Mai, Thado Mindin ya karbi mulki.Ya yi aiki wajen mayar da Lanna cikin al'adun Burma, ya rage ikon manyan Lanna na gida, kuma ya yi amfani da garkuwar siyasa, kamar Chaikaew, don tabbatar da aminci da iko a yankin.A tsakiyar karni na 18, Chiang Mai ya sake zama wani yanki na daular Burma mai tasowa kuma ya fuskanci wani tawaye a 1761. Wannan lokacin kuma ya ga Burma yana amfani da yankin Lan Na a matsayin wata dabara don ci gaba da mamaye yankunan Laotian da Siam.Duk da ƙoƙarin farko na samun 'yancin kai a farkon karni na 18, Lanna, musamman Chiang Mai, ta fuskanci mamayar Burma.A shekara ta 1763, bayan da aka dade ana yi masa kawanya, Chiang Mai ya fada hannun Burma, wanda ke nuna wani zamanin mulkin Burma a yankin.