Retainers<\/a> l\u00e0 kh\u00ed c\u1ee5 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng sau khi k\u1ebft th\u00fac ch\u1ec9nh nha nh\u1eb1m gi\u1eef r\u0103ng \u1edf v\u1ecb tr\u00ed \u0111\u00e3 \u0111\u01b0\u1ee3c s\u1eafp x\u1ebfp.<\/span><\/p>\nSau khi th\u00e1o m\u1eafc c\u00e0i ho\u1eb7c ho\u00e0n th\u00e0nh \u0111i\u1ec1u tr\u1ecb b\u1eb1ng khay ni\u1ec1ng trong su\u1ed1t, d\u00e2y ch\u1eb1ng nha chu, x\u01b0\u01a1ng \u1ed5 r\u0103ng v\u00e0 c\u00e1c m\u00f4 xung quanh v\u1eabn \u0111ang trong qu\u00e1 tr\u00ecnh t\u00e1i c\u1ea5u tr\u00fac. H\u00e0m duy tr\u00ec gi\u00fap h\u1ea1n ch\u1ebf r\u0103ng d\u1ecbch chuy\u1ec3n trong giai \u0111o\u1ea1n n\u00e0y.<\/span><\/p>\nHi\u1ec7n nay c\u00f3 hai lo\u1ea1i h\u00e0m duy tr\u00ec ph\u1ed5 bi\u1ebfn:<\/span><\/p>\n\n- H\u00e0m duy tr\u00ec th\u00e1o l\u1eafp:<\/b> Th\u01b0\u1eddng \u0111\u01b0\u1ee3c l\u00e0m b\u1eb1ng nh\u1ef1a trong su\u1ed1t ho\u1eb7c k\u1ebft h\u1ee3p d\u00e2y kim lo\u1ea1i, c\u00f3 th\u1ec3 th\u00e1o ra khi \u0103n u\u1ed1ng v\u00e0 v\u1ec7 sinh.<\/span><\/li>\n
- H\u00e0m duy tr\u00ec c\u1ed1 \u0111\u1ecbnh:<\/b> L\u00e0 d\u00e2y kim lo\u1ea1i m\u1ea3nh \u0111\u01b0\u1ee3c g\u1eafn v\u00e0o m\u1eb7t trong c\u1ee7a r\u0103ng, gi\u00fap duy tr\u00ec v\u1ecb tr\u00ed r\u0103ng li\u00ean t\u1ee5c.<\/span><\/li>\n<\/ul>\n
Lo\u1ea1i h\u00e0m ph\u00f9 h\u1ee3p s\u1ebd \u0111\u01b0\u1ee3c b\u00e1c s\u0129 l\u1ef1a ch\u1ecdn d\u1ef1a tr\u00ean t\u00ecnh tr\u1ea1ng r\u0103ng v\u00e0 k\u1ebf ho\u1ea1ch ch\u1ec9nh nha c\u1ee7a t\u1eebng ng\u01b0\u1eddi.<\/span><\/p>\n<\/span>V\u00ec sao c\u1ea7n \u0111eo h\u00e0m duy tr\u00ec sau ni\u1ec1ng r\u0103ng?<\/b><\/span><\/h2>\nH\u1ea1n ch\u1ebf r\u0103ng d\u1ecbch chuy\u1ec3n tr\u1edf l\u1ea1i<\/b><\/p>\n
Sau khi ch\u1ec9nh nha, c\u00e1c m\u00f4 quanh r\u0103ng v\u1eabn c\u00f3 xu h\u01b0\u1edbng k\u00e9o r\u0103ng v\u1ec1 v\u1ecb tr\u00ed ban \u0111\u1ea7u. N\u1ebfu ng\u1eebng duy tr\u00ec qu\u00e1 s\u1edbm, r\u0103ng c\u00f3 th\u1ec3 x\u00f4 l\u1ec7ch v\u00e0 l\u00e0m \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn k\u1ebft qu\u1ea3 \u0111\u00e3 \u0111\u1ea1t \u0111\u01b0\u1ee3c.<\/span><\/p>\nGi\u00fap m\u00f4 quanh r\u0103ng th\u00edch nghi v\u1edbi v\u1ecb tr\u00ed m\u1edbi<\/b><\/p>\n
Qu\u00e1 tr\u00ecnh ni\u1ec1ng r\u0103ng kh\u00f4ng ch\u1ec9 l\u00e0m thay \u0111\u1ed5i v\u1ecb tr\u00ed r\u0103ng m\u00e0 c\u00f2n khi\u1ebfn x\u01b0\u01a1ng \u1ed5 r\u0103ng v\u00e0 d\u00e2y ch\u1eb1ng nha chu ph\u1ea3i t\u00e1i c\u1ea5u tr\u00fac. H\u00e0m duy tr\u00ec gi\u00fap gi\u1eef r\u0103ng \u1ed5n \u0111\u1ecbnh trong th\u1eddi gian c\u00e1c m\u00f4 n\u00e0y th\u00edch nghi.<\/span><\/p>\nDuy tr\u00ec k\u1ebft qu\u1ea3 ch\u1ec9nh nha l\u00e2u d\u00e0i<\/b><\/p>\n
Qu\u00e1 tr\u00ecnh ni\u1ec1ng r\u0103ng th\u01b0\u1eddng k\u00e9o d\u00e0i nhi\u1ec1u th\u00e1ng ho\u1eb7c nhi\u1ec1u n\u0103m. Vi\u1ec7c tu\u00e2n th\u1ee7 giai \u0111o\u1ea1n duy tr\u00ec gi\u00fap b\u1ea3o v\u1ec7 k\u1ebft qu\u1ea3 \u0111i\u1ec1u tr\u1ecb v\u00e0 h\u1ea1n ch\u1ebf nguy c\u01a1 ph\u1ea3i ch\u1ec9nh nha l\u1ea1i do r\u0103ng d\u1ecbch chuy\u1ec3n.<\/span><\/p>\n<\/span>C\u1ea7n \u0111eo h\u00e0m duy tr\u00ec trong bao l\u00e2u?<\/b><\/span><\/h2>\nTh\u1eddi gian \u0111eo h\u00e0m duy tr\u00ec kh\u00f4ng gi\u1ed1ng nhau \u1edf t\u1ea5t c\u1ea3 m\u1ecdi ng\u01b0\u1eddi m\u00e0 ph\u1ee5 thu\u1ed9c v\u00e0o t\u00ecnh tr\u1ea1ng ban \u0111\u1ea7u, m\u1ee9c \u0111\u1ed9 d\u1ecbch chuy\u1ec3n r\u0103ng v\u00e0 \u0111\u00e1nh gi\u00e1 c\u1ee7a b\u00e1c s\u0129.<\/span><\/p>\nTh\u00f4ng th\u01b0\u1eddng, ng\u01b0\u1eddi b\u1ec7nh c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c h\u01b0\u1edbng d\u1eabn:<\/span><\/p>\n\n- Giai \u0111o\u1ea1n \u0111\u1ea7u sau th\u00e1o ni\u1ec1ng:<\/b> \u0110eo h\u00e0m duy tr\u00ec g\u1ea7n nh\u01b0 c\u1ea3 ng\u00e0y, ch\u1ec9 th\u00e1o khi \u0103n u\u1ed1ng v\u00e0 v\u1ec7 sinh.<\/span><\/li>\n
- Giai \u0111o\u1ea1n ti\u1ebfp theo:<\/b> Chuy\u1ec3n sang \u0111eo v\u00e0o ban \u0111\u00eam khi r\u0103ng \u0111\u00e3 \u1ed5n \u0111\u1ecbnh h\u01a1n.<\/span><\/li>\n
- Duy tr\u00ec l\u00e2u d\u00e0i:<\/b> M\u1ed9t s\u1ed1 tr\u01b0\u1eddng h\u1ee3p \u0111\u01b0\u1ee3c khuy\u1ebfn ngh\u1ecb ti\u1ebfp t\u1ee5c \u0111eo h\u00e0m v\u00e0o ban \u0111\u00eam \u0111\u1ec3 h\u1ea1n ch\u1ebf r\u0103ng d\u1ecbch chuy\u1ec3n theo th\u1eddi gian.<\/span><\/li>\n<\/ul>\n
Ng\u01b0\u1eddi b\u1ec7nh kh\u00f4ng n\u00ean t\u1ef1 \u00fd gi\u1ea3m th\u1eddi gian ho\u1eb7c ng\u1eebng \u0111eo h\u00e0m duy tr\u00ec khi ch\u01b0a c\u00f3 ch\u1ec9 \u0111\u1ecbnh t\u1eeb b\u00e1c s\u0129.<\/span><\/p>\n
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