{"id":33080,"date":"2023-05-10T18:22:39","date_gmt":"2023-05-10T11:22:39","guid":{"rendered":"http:\/\/noithathoaphat.in\/ctv\/?p=33080"},"modified":"2023-05-10T20:16:41","modified_gmt":"2023-05-10T13:16:41","slug":"khi-cu-activator-trong-chinh-nha-lich-su-phat-trien-va-tac-dong","status":"publish","type":"post","link":"http:\/\/noithathoaphat.in\/ctv\/index.php\/2023\/05\/10\/khi-cu-activator-trong-chinh-nha-lich-su-phat-trien-va-tac-dong\/","title":{"rendered":"Kh\u00ed c\u1ee5 Activator trong ch\u1ec9nh nha – L\u1ecbch s\u1eed ph\u00e1t tri\u1ec3n v\u00e0 t\u00e1c \u0111\u1ed9ng."},"content":{"rendered":"

Activator hi\u1ec7u qu\u1ea3 trong vi\u1ec7c c\u1ea3i thi\u1ec7n ch\u1ee9c n\u0103ng v\u00e0 t\u1ea1o ra nh\u1eefng thay \u0111\u1ed5i c\u1ea5u tr\u00fac b\u00ean trong v\u00e0 h\u00ecnh d\u1ea1ng b\u00ean ngo\u00e0i c\u1ee7a x\u01b0\u01a1ng, \u0111\u1eb7c bi\u1ec7t trong giai \u0111o\u1ea1n t\u0103ng tr\u01b0\u1edfng. Activator l\u00e0m t\u0103ng \u0111\u00e1p \u1ee9ng c\u01a1 x\u01b0\u01a1ng b\u1eb1ng c\u00e1ch t\u1ea1o ra m\u1ed9t ki\u1ec3u \u0111\u00f3ng h\u00e0m m\u1edbi c\u1ee7a x\u01b0\u01a1ng h\u00e0m d\u01b0\u1edbi. C\u00f9ng t\u00ecm hi\u1ec3u l\u1ecbch s\u1eed ph\u00e1t tri\u1ec3n c\u1ee7a kh\u00ed c\u1ee5 Activator v\u00e0 t\u00e1c \u0111\u1ed9ng ch\u1ec9nh nha c\u1ee7a ch\u00fang tr\u00ean l\u00e2m s\u00e0ng.<\/strong><\/p>\n

1. L\u1ecbch s\u1eed ph\u00e1t tri\u1ec3n c\u1ee7a kh\u00ed c\u1ee5 Activator trong ch\u1ec9nh nha<\/h2>\n

N\u0103m 1880, Kingsley \u0111\u01b0a ra thu\u1eadt ng\u1eef v\u00e0 quan ni\u1ec7m \u201cnh\u1ea3y kh\u1edbp\u201d (jumping the bite) \u1edf nh\u1eefng b\u1ec7nh nh\u00e2n c\u00f3 h\u00e0m d\u01b0\u1edbi l\u00f9i sau. \u00d4ng l\u00e0m m\u1ed9t lo\u1ea1i kh\u00ed c\u1ee5 h\u00e0m tr\u00ean c\u00f3 m\u1eb7t nghi\u00eang \u1edf ph\u00eda tr\u01b0\u1edbc \u0111\u1ec3 h\u01b0\u1edbng d\u1eabn h\u00e0m d\u01b0\u1edbi \u0111\u01b0a v\u1ec1 tr\u01b0\u1edbc khi h\u00e0m d\u01b0\u1edbi \u0111\u00f3ng l\u1ea1i. Ch\u00ednh \u00fd t\u01b0\u1edfng c\u1ee7a Kingsley \u0111\u00e3 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn s\u1ef1 ph\u00e1t tri\u1ec3n kh\u00ed c\u1ee5 ch\u1ec9nh h\u00ecnh ch\u1ee9c n\u0103ng.<\/p>\n

N\u0103m 1908, Andresen l\u00e0 ng\u01b0\u1eddi \u0111\u1ea7u ti\u00ean \u0111\u01b0a ra kh\u00ed c\u1ee5 activator d\u1ef1a tr\u00ean \u00fd t\u01b0\u1edfng c\u1ee7a Kingsley. \u0110\u00e2y l\u00e0 lo\u1ea1i kh\u00ed c\u1ee5 th\u00e1o l\u1eafp, n\u1eb1m l\u1ecfng l\u1ebbo trong mi\u1ec7ng b\u1ec7nh nh\u00e2n, v\u00e0 chuy\u1ec3n nh\u1eefng k\u00edch th\u00edch c\u01a1 \u0111\u1ebfn x\u01b0\u01a1ng h\u00e0m, r\u0103ng v\u00e0 c\u00e1c m\u00f4 n\u00e2ng \u0111\u1ee1 r\u0103ng trong khi th\u1ef1c hi\u1ec7n ch\u1ee9c n\u0103ng.<\/p>\n

Nhi\u1ec1u n\u0103m tr\u01b0\u1edbc \u0111\u00f3, Robin \u0111\u00e3 \u0111\u01b0a ra m\u1ed9t lo\u1ea1i kh\u00ed c\u1ee5 t\u01b0\u01a1ng t\u1ef1 activator v\u00e0 g\u1ecdi l\u00e0 kh\u00ed c\u1ee5 monobloc. Kh\u00ed c\u1ee5 monobloc gi\u00fap \u0111\u01b0a h\u00e0m d\u01b0\u1edbi v\u1ec1 tr\u01b0\u1edbc \u1edf nh\u1eefng b\u1ec7nh nh\u00e2n c\u00f3 l\u01b0\u1ee1i n\u1eb1m ph\u00eda sau v\u00e0 h\u00e0m d\u01b0\u1edbi l\u00f9i sau nhi\u1ec1u g\u00e2y nguy c\u01a1 l\u01b0\u1ee1i b\u00edt k\u00edn \u0111\u01b0\u1eddng th\u1edf. Robin nh\u1eadn th\u1ea5y h\u00e0m d\u01b0\u1edbi \u1edf v\u1ecb tr\u00ed \u0111\u01b0a v\u1ec1 tr\u01b0\u1edbc \u0111\u00e3 l\u00e0m gi\u1ea3m nguy c\u01a1 n\u00e0y v\u00e0 c\u1ea3i thi\u1ec7n \u0111\u00e1ng k\u1ec3 t\u01b0\u01a1ng quan gi\u1eefa hai x\u01b0\u01a1ng h\u00e0m tr\u00ean v\u00e0 h\u00e0m d\u01b0\u1edbi theo chi\u1ec1u tr\u01b0\u1edbc sau.<\/p>\n

Andresen c\u00f9ng v\u1edbi Haulp \u2013 m\u1ed9t b\u00e1c s\u0129 – Nha chu v\u00e0 l\u00e0 m\u1ed9t nh\u00e0 m\u00f4 h\u1ecdc – nghi\u00ean c\u1ee9u v\u00e0 vi\u1ebft v\u1ec1 kh\u00ed c\u1ee5 activator. Hai \u00f4ng cho r\u1eb1ng activator kh\u00f4ng th\u1ec3 t\u1ea1o ra m\u1ed9t x\u01b0\u01a1ng h\u00e0m d\u01b0\u1edbi l\u1edbn t\u1eeb m\u1ed9t x\u01b0\u01a1ng h\u00e0m d\u01b0\u1edbi nh\u1ecf, nh\u01b0ng n\u00f3 c\u00f3 th\u1ec3 gi\u00fap b\u1ec7nh nh\u00e2n c\u00f3 \u0111\u01b0\u1ee3c m\u1ed9t x\u01b0\u01a1ng h\u00e0m d\u01b0\u1edbi c\u00f3 k\u00edch th\u01b0\u1edbc t\u1ed1i \u01b0u. M\u1ee5c \u0111\u00edch \u0111i\u1ec1u tr\u1ecb c\u1ee7a activator l\u00e0 b\u1eb1ng c\u00e1ch \u0111\u1eb7t h\u00e0m d\u01b0\u1edbi \u1edf v\u1ecb tr\u00ed v\u1ec1 ph\u00eda tr\u01b0\u1edbc \u0111\u1ec3 k\u00edch th\u00edch nh\u1eefng thay \u0111\u1ed5i c\u1ee7a l\u1ed3i c\u1ea7u v\u00e0 nh\u1edd \u0111\u00f3 \u0111\u1ea1t d\u01b0\u1ee3c kh\u1edbp c\u1eafn mong mu\u1ed1n. Nh\u1eefng quan ni\u1ec7m v\u1ec1 d\u1ef1 \u0111o\u00e1n t\u0103ng tr\u01b0\u1edfng, h\u01b0\u1edbng t\u0103ng tr\u01b0\u1edfng v\u00e0 th\u1eddi gian. t\u0103ng tr\u01b0\u1edfng c\u00f2n r\u1ea5t m\u01a1 h\u1ed3 v\u00e0o th\u1eddi \u0111\u00f3.<\/p>\n

Kh\u00ed c\u1ee5 activator g\u1ed3m hai n\u1ec1n nh\u1ef1a h\u00e0m tr\u00ean v\u00e0 h\u00e0m d\u01b0\u1edbi li\u00ean k\u1ebft v\u1edbi nhau \u1edf m\u1eb7t ph\u1eb3ng nhai v\u00e0 c\u00f3 m\u1ed9t cung m\u00f4i \u1edf h\u00e0m tr\u00ean (H\u00ecnh 1).<\/p>\n

\"khi-cu-activator-1\"
Hinh 1: Kh\u00ed c\u1ee5 activator.<\/figcaption><\/figure>\n

Kh\u00ed c\u1ee5 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c ch\u1ebb \u0111\u00f4i theo \u0111\u01b0\u1eddng gi\u1eefa v\u00e0 m\u1ed9t l\u00f2 xo \u0111\u00e0n h\u1ed3i \u0111\u01b0\u1ee3c \u0111\u1eb7t v\u00e0o \u0111\u1ec3 n\u1edbi r\u1ed9ng h\u00e0m (H\u00ecnh 2).<\/p>\n

\"khi-cu-activator-2\"
H\u00ecnh 2: L\u00f2 xo \u0111\u00e0n h\u1ed3i \u0111\u1eb7t \u1edf \u0111\u01b0\u1eddng gi\u1eefa.<\/figcaption><\/figure>\n

Sau n\u00e0y, kh\u00ed c\u1ee5 c\u00f2n \u0111\u01b0\u1ee3c g\u1eafn th\u00eam c\u00e1c lo\u1ea1i l\u00f2 xo kh\u00e1c v\u00e0 \u1ed1c n\u1edbi r\u1ed9ng.<\/p>\n

N\u0103m 1952, Eschler \u0111\u00e3 c\u1ea3i ti\u1ebfn cung m\u00f4i. Cung m\u00f4i g\u1ed3m c\u00f3 hai ph\u1ea7n:ph\u1ea7n t\u00e1c \u0111\u1ed9ng d\u00f9ng di chuy\u1ec3n r\u0103ng, ph\u1ea7n th\u1ee5 \u0111\u1ed9ng gi\u1eef m\u00f4i d\u01b0\u1edbi r\u1eddi kh\u1ecfi cung r\u0103ng v\u00e0 gi\u00fap c\u00e1c r\u0103ng di chuy\u1ec3n nh\u01b0 mong mu\u1ed1n. Cung m\u00f4i \u0111\u00e3 lo\u1ea1i b\u1ecf nh\u1eefng \u00e1p l\u1ef1c m\u00f4 m\u1ec1m kh\u00f4ng mong mu\u1ed1n trong khi \u0111\u1eb7t l\u1ef1c ch\u00ednh x\u00e1c l\u00ean c\u00e1c r\u0103ng c\u1ea7n di chuy\u1ec3n. Cung m\u00f4i c\u1ea3i ti\u1ebfn \u0111\u1eb7t n\u1ec1n t\u1ea3ng cho s\u1ef1 ph\u00e1t tri\u1ec3n m\u1ed9t s\u1ed1 lo\u1ea1i kh\u00ed c\u1ee5 ch\u1ee9c n\u0103ng sau n\u00e0y.<\/p>\n

Do kh\u00ed c\u1ee5 activator c\u1ed3ng k\u1ec1nh n\u00ean b\u1ec7nh nh\u00e2n th\u01b0\u1eddng mang v\u00e0o ban \u0111\u00eam. C\u00e1c bi\u1ebfn th\u1ec3 c\u1ee7a kh\u00ed c\u1ee5 ch\u1ee9c n\u0103ng sau n\u00e0y g\u1ecdn g\u00e0ng h\u01a1n cho ph\u00e9p b\u1ec7nh nh\u00e2n mang nhi\u1ec1u th\u1eddi gian h\u01a1n. C\u00f3 hai ki\u1ec3u bi\u1ebfn th\u1ec3 ch\u00ednh:<\/p>\n

1.1. Kh\u00ed c\u1ee5 activator g\u1ed3m n\u1ec1n nh\u1ef1a h\u00e0m tr\u00ean v\u00e0 h\u00e0m d\u01b0\u1edbi n\u1ed1i v\u1edbi nhau b\u1eb1ng nh\u1ef1a nh\u01b0ng \u0111\u01b0\u1ee3c l\u00e0m gi\u1ea3m th\u1ec3 t\u00edch:<\/strong><\/p>\n

    \n
  • M\u1ed9t s\u1ed1 kh\u00ed c\u1ee5 \u0111\u01b0\u1ee3c m\u00e0i b\u1ecf b\u1edbt ph\u1ea7n nh\u1ef1a kh\u1ea9u c\u00e1i, \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 kh\u00ed c\u1ee5 activator h\u1edf (open activator) (H\u00ecnh 3).<\/li>\n<\/ul>\n
    \"khi-cu-activator-3\"
    H\u00ecnh 3: Kh\u00ed c\u1ee5 activator h\u1edf.<\/figcaption><\/figure>\n
      \n
    • M\u1ed9t s\u1ed1 kh\u00ed c\u1ee5 \u0111\u01b0\u1ee3c m\u00e0i b\u1ecf b\u1edbt m\u1ed9t \u00edt nh\u1ef1a kh\u1ea9u c\u00e1i, v\u00e0 \u0111\u01b0\u1ee3c t\u0103ng c\u01b0\u1eddng b\u1eb1ng nh\u1eefng \u0111o\u1ea1n d\u00e2y di ngang kh\u1ea9u c\u00e1i (H\u00ecnh 4).<\/li>\n<\/ul>\n
      \"\"
      H\u00ecnh 4: Kh\u00ed c\u1ee5 bionator (Kh\u00ed c\u1ee5 Balters).<\/figcaption><\/figure>\n

      1.2. Lo\u1ea1i kh\u00ed c\u1ee5 g\u1ed3m n\u1ec1n nh\u1ef1a h\u00e0m tr\u00ean v\u00e0 h\u00e0m d\u01b0\u1edbi n\u1ed1i v\u1edbi nhau b\u1eb1ng nh\u1eefng cung d\u00e2y:<\/strong><\/p>\n

      Kh\u00ed c\u1ee5 Schwarz l\u00e0 m\u1ed9t bi\u1ebfn th\u1ec3 \u0111\u1ea7u ti\u00ean c\u1ee7a nh\u00f3m n\u00e0y. Kh\u00ed c\u1ee5 ch\u1ee9c n\u0103ng lo\u1ea1i \u0111\u00e0n h\u1ed3i n\u00e0y kh\u00f4ng qu\u00e1 c\u1ed3ng k\u1ec1nh n\u00ean b\u1ec7nh nh\u00e2n th\u1ea5y tho\u1ea3i m\u00e1i v\u00e0 mang nhi\u1ec1u th\u1eddi gian h\u01a1n.<\/p>\n

      2. C\u00e1ch ho\u1ea1t \u0111\u1ed9ng<\/h2>\n

      Activator hi\u1ec7u qu\u1ea3 trong vi\u1ec7c c\u1ea3i thi\u1ec7n ch\u1ee9c n\u0103ng v\u00e0 t\u1ea1o ra nh\u1eefng thay \u0111\u1ed5i c\u1ea5u tr\u00fac b\u00ean trong v\u00e0 h\u00ecnh d\u1ea1ng b\u00ean ngo\u00e0i c\u1ee7a x\u01b0\u01a1ng, \u0111\u1eb7c bi\u1ec7t trong giai \u0111o\u1ea1n t\u0103ng tr\u01b0\u1edfng. Activator l\u00e0m t\u0103ng \u0111\u00e1p \u1ee9ng c\u01a1 x\u01b0\u01a1ng b\u1eb1ng c\u00e1ch t\u1ea1o ra m\u1ed9t ki\u1ec3u \u0111\u00f3ng h\u00e0m m\u1edbi c\u1ee7a x\u01b0\u01a1ng h\u00e0m d\u01b0\u1edbi.<\/p>\n

      C\u00f3 ba nh\u00f3m quan \u0111i\u1ec3m ch\u00ednh trong vi\u1ec7c gi\u1ea3i th\u00edch t\u00e1c \u0111\u1ed9ng c\u1ee7a kh\u00ed c\u1ee5 activator:<\/p>\n

      Theo quan \u0111i\u1ec3m c\u1ee7a Andresen \u2013 Haulp, Petrovic, McNamara, Grude,… c\u00e1c l\u1ef1c t\u1ea1o ra trong \u0111i\u1ec1u tr\u1ecb b\u1eb1ng kh\u00ed c\u1ee5 activator l\u00e0 do s\u1ef1 co c\u01a1 v\u00e0 ho\u1ea1t \u0111\u1ed9ng ph\u1ea3n x\u1ea1 c\u01a1. M\u1ed9t kh\u00ed c\u1ee5 l\u1ecfng l\u1ebbo trong mi\u1ec7ng s\u1ebd k\u00edch th\u00edch c\u00e1c c\u01a1 ho\u1ea1t \u0111\u1ed9ng. Ho\u1ea1t \u0111\u1ed9ng ph\u1ea3n x\u1ea1 c\u1ee7a c\u01a1 v\u00e0 s\u1ef1 co c\u01a1 \u0111\u1eb3ng tr\u01b0\u1eddng l\u00e0m t\u0103ng \u0111\u00e1p \u1ee9ng c\u01a1, x\u01b0\u01a1ng b\u1eb1ng c\u00e1ch t\u1ea1o ra ki\u1ec3u \u0111\u00f3ng h\u00e0m m\u1edbi c\u1ee7a h\u00e0m d\u01b0\u1edbi. \u0110\u1ea7u tr\u00ean c\u1ee7a c\u01a1 ch\u00e2n b\u01b0\u1edbm ngo\u00e0i c\u00f3 vai tr\u00f2 r\u1ea5t quan tr\u1ecdng v\u00ec ch\u00fang h\u1ed7 tr\u1ee3 trong \u0111\u00e1p \u1ee9ng x\u01b0\u01a1ng. C\u00e1c activator \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf v\u1edbi h\u00e0m d\u01b0\u1edbi \u0111\u01b0a ra tr\u01b0\u1edbc \u0111\u1ebfn v\u1ecb tr\u00ed r\u0103ng c\u1eeda \u0111\u1ed1i \u0111\u1ea7u v\u00e0 m\u1ee9c \u0111\u1ed9 m\u1edf h\u00e0m d\u01b0\u1edbi nh\u1ecf s\u1ebd ho\u1ea1t \u0111\u1ed9ng theo ki\u1ec3u n\u00e0y.<\/p>\n

      C\u00e1c t\u00e1c gi\u1ea3 nh\u01b0 Selmer – Olsen, Herren (1953), Woodside (1973), Harvold (1974), … cho r\u1eb1ng t\u00ednh ch\u1ea5t \u0111\u00e0n h\u1ed3i c\u1ee7a c\u01a1 v\u00e0 s\u1ef1 k\u00e9o d\u00e3n m\u00f4 m\u1ec1m quy\u1ebft \u0111\u1ecbnh ho\u1ea1t \u0111\u1ed9ng c\u1ee7a activator. Kh\u00ed c\u1ee5 activator b\u1ecb xi\u1ebft ch\u1eb7t gi\u1eefa hai h\u00e0m tr\u00ean v\u00e0 d\u01b0\u1edbi nh\u01b0 m\u1ed9t c\u00e1i n\u1eb9p. Kh\u00ed c\u1ee5 activator kh\u00f4ng l\u00e0m t\u0103ng ho\u1ea1t \u0111\u1ed9ng ph\u1ea3n x\u1ea1 c\u01a1 nh\u01b0ng l\u1ea1i cho m\u1ed9t s\u1ef1 k\u00e9o d\u00e3n m\u00f4 m\u1ec1m l\u1edbn, t\u1ea1o ra n\u0103ng l\u01b0\u1ee3ng th\u1ebf n\u0103ng l\u00e0m kh\u00ed c\u1ee5 ho\u1ea1t \u0111\u1ed9ng v\u00e0 t\u1ea1o nh\u1eefng thay \u0111\u1ed5i x\u01b0\u01a1ng, r\u0103ng. \u0110\u1ec3 kh\u00ed c\u1ee5 ho\u1ea1t \u0111\u1ed9ng theo c\u00e1ch n\u00e0y, h\u00e0m d\u01b0\u1edbi c\u1ea7n \u0111\u01b0a nhi\u1ec1u v\u1ec1 tr\u01b0\u1edbc v\u00e0 c\u00f3 \u0111\u1ed9 m\u1edf h\u00e0m l\u1edbn. B\u00ecnh th\u01b0\u1eddng, h\u00e0m d\u01b0\u1edbi t\u1ef1 m\u1edf ra khi b\u1ec7nh nh\u00e2n ng\u1ee7. N\u1ebfu h\u00e0m d\u01b0\u1edbi ch\u1ec9 m\u1edf ra 3-4 mm khi mang kh\u00ed c\u1ee5 activator th\u00ec kh\u00ed c\u1ee5 s\u1ebd b\u1ecb r\u01a1i ra kh\u1ecfi mi\u1ec7ng, ho\u1eb7c kh\u00ed c\u1ee5 s\u1ebd kh\u00f4ng c\u00f3 t\u00e1c d\u1ee5ng. Theo Woodside, h\u00e0m d\u01b0\u1edbi c\u1ea7n \u0111\u01b0a nhi\u1ec1u v\u1ec1 tr\u01b0\u1edbc t\u1ea1o c\u1eafn ch\u00e9o r\u0103ng c\u1eeda v\u00e0 m\u1edf l\u1edbn h\u01a1n t\u01b0 th\u1ebf ngh\u1ec9 t\u1eeb 10- 15mm.<\/p>\n

      Nh\u01b0 v\u1eady, t\u1ea5t c\u1ea3 c\u00e1c ki\u1ec3u ho\u1ea1t \u0111\u1ed9ng c\u1ee7a kh\u00ed c\u1ee5 activator ph\u1ee5 thu\u1ed9c v\u00e0o h\u01b0\u1edbng v\u00e0 m\u1ee9c \u0111\u1ed9 m\u1edf h\u00e0m d\u01b0\u1edbi khi thi\u1ebft l\u1eadp t\u01b0\u01a1ng quan kh\u1edbp c\u1eafn m\u1edbi. B\u1eb1ng c\u00e1ch xem x\u00e9t \u0111\u1eb7c \u0111i\u1ec3m s\u1ecd m\u1eb7t c\u1ee7a t\u1eebng c\u00e1 nh\u00e2n, qu\u00e1 tr\u00ecnh t\u0103ng tr\u01b0\u1edfng, m\u1ee5c ti\u00eau \u0111i\u1ec1u tr\u1ecb, b\u00e1c s\u0129 \u0111i\u1ec1u tr\u1ecb c\u00f3 th\u1ec3 th\u1ef1c hi\u1ec7n kh\u00ed c\u1ee5 activator ho\u1ea1t \u0111\u1ed9ng theo c\u00e1ch m\u00e0 m\u00ecnh mong mu\u1ed1n.<\/p>\n

      Ngu\u1ed3n tham kh\u1ea3o: S\u00e1ch ch\u1ec9nh h\u00ecnh r\u0103ng m\u1eb7t, kh\u00ed c\u1ee5 th\u00e1o l\u1eafp –\u00a0 B\u1ed9 m\u00f4n Ch\u1ec9nh h\u00ecnh r\u0103ng m\u1eb7t, Tr\u01b0\u1eddng \u0110\u1ea1i h\u1ecdc Y d\u01b0\u1ee3c TP H\u1ed3 Ch\u00ed Minh<\/em><\/p>\n","protected":false},"excerpt":{"rendered":"

      Activator hi\u1ec7u qu\u1ea3 trong vi\u1ec7c c\u1ea3i thi\u1ec7n ch\u1ee9c n\u0103ng v\u00e0 t\u1ea1o ra nh\u1eefng thay \u0111\u1ed5i c\u1ea5u tr\u00fac b\u00ean trong v\u00e0 h\u00ecnh d\u1ea1ng b\u00ean ngo\u00e0i c\u1ee7a x\u01b0\u01a1ng, \u0111\u1eb7c bi\u1ec7t trong giai \u0111o\u1ea1n t\u0103ng tr\u01b0\u1edfng. Activator l\u00e0m t\u0103ng \u0111\u00e1p \u1ee9ng c\u01a1 x\u01b0\u01a1ng b\u1eb1ng c\u00e1ch t\u1ea1o ra m\u1ed9t ki\u1ec3u \u0111\u00f3ng h\u00e0m m\u1edbi c\u1ee7a x\u01b0\u01a1ng h\u00e0m d\u01b0\u1edbi. C\u00f9ng t\u00ecm […]<\/p>\n","protected":false},"author":21,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[28,33],"tags":[],"yoast_head":"\nKh\u00ed c\u1ee5 Activator trong ch\u1ec9nh nha - L\u1ecbch s\u1eed ph\u00e1t tri\u1ec3n v\u00e0 t\u00e1c \u0111\u1ed9ng.<\/title>\n<meta name=\"description\" content=\"C\u00f9ng \u0111i s\u00e2u v\u00e0o v\u1ea5n \u0111\u1ec1, t\u00ecm hi\u1ec3u l\u1ecbch s\u1eed ph\u00e1t tri\u1ec3n c\u1ee7a kh\u00ed c\u1ee5 Activator v\u00e0 t\u00e1c \u0111\u1ed9ng ch\u1ec9nh nha c\u1ee7a ch\u00fang tr\u00ean l\u00e2m s\u00e0ng.\" \/>\n<meta name=\"robots\" content=\"noindex, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Kh\u00ed c\u1ee5 Activator trong ch\u1ec9nh nha - L\u1ecbch s\u1eed ph\u00e1t tri\u1ec3n v\u00e0 t\u00e1c \u0111\u1ed9ng.\" \/>\n<meta property=\"og:description\" content=\"C\u00f9ng \u0111i s\u00e2u v\u00e0o v\u1ea5n \u0111\u1ec1, t\u00ecm hi\u1ec3u l\u1ecbch s\u1eed ph\u00e1t tri\u1ec3n c\u1ee7a kh\u00ed c\u1ee5 Activator v\u00e0 t\u00e1c \u0111\u1ed9ng ch\u1ec9nh nha c\u1ee7a ch\u00fang tr\u00ean l\u00e2m s\u00e0ng.\" \/>\n<meta property=\"og:url\" content=\"http:\/\/noithathoaphat.in\/ctv\/index.php\/2023\/05\/10\/khi-cu-activator-trong-chinh-nha-lich-su-phat-trien-va-tac-dong\/\" \/>\n<meta property=\"og:site_name\" content=\"Vinmec\" \/>\n<meta property=\"article:published_time\" content=\"2023-05-10T11:22:39+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2023-05-10T13:16:41+00:00\" \/>\n<meta property=\"og:image\" content=\"http:\/\/noithathoaphat.in\/ctv\/wp-content\/uploads\/2023\/05\/Untitled-105.png\" \/>\n<meta name=\"author\" content=\"Tr\u1ea7n Ti\u1ebfn Th\u00e0nh\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Tr\u1ea7n Ti\u1ebfn Th\u00e0nh\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"7 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"http:\/\/noithathoaphat.in\/ctv\/index.php\/2023\/05\/10\/khi-cu-activator-trong-chinh-nha-lich-su-phat-trien-va-tac-dong\/\",\"url\":\"http:\/\/noithathoaphat.in\/ctv\/index.php\/2023\/05\/10\/khi-cu-activator-trong-chinh-nha-lich-su-phat-trien-va-tac-dong\/\",\"name\":\"Kh\u00ed c\u1ee5 Activator trong ch\u1ec9nh nha - 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