{"id":22257,"date":"2023-04-16T14:30:57","date_gmt":"2023-04-16T07:30:57","guid":{"rendered":"http:\/\/noithathoaphat.in\/ctv\/?p=22257"},"modified":"2023-05-02T14:29:39","modified_gmt":"2023-05-02T07:29:39","slug":"ky-thuat-su-dung-hai-tay-de-tim-va-xac-dinh-tuong-quan-tam","status":"publish","type":"post","link":"http:\/\/noithathoaphat.in\/ctv\/index.php\/2023\/04\/16\/ky-thuat-su-dung-hai-tay-de-tim-va-xac-dinh-tuong-quan-tam\/","title":{"rendered":"S\u1eed d\u1ee5ng hai tay \u0111\u1ec3 t\u00ecm v\u00e0 x\u00e1c \u0111\u1ecbnh t\u01b0\u01a1ng quan t\u00e2m."},"content":{"rendered":"

B\u00e0i vi\u1ebft n\u00e0y \u0111\u1ec1 c\u1eadp \u0111\u1ebfn ph\u01b0\u01a1ng ph\u00e1p s\u1eed d\u1ee5ng hai tay \u0111\u1ec3 t\u00ecm v\u00e0 x\u00e1c \u0111\u1ecbnh t\u01b0\u01a1ng quan t\u00e2m. M\u1eb7c d\u00f9 t\u01b0\u01a1ng quan t\u00e2m l\u00e0 m\u1ed9t v\u1ecb tr\u00ed sinh l\u00fd th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng nh\u01b0ng n\u1ebfu \u00e1p d\u1ee5ng s\u1ef1 \u0111\u00f3ng h\u00e0m kh\u00f4ng h\u01b0\u1edbng d\u1eabn \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh ch\u00ednh x\u00e1c t\u01b0\u01a1ng quan h\u00e0m tr\u00ean- h\u00e0m d\u01b0\u1edbi l\u00e0 kh\u00f4ng \u0111\u00e1ng tin c\u1eady. C\u1ee5 th\u1ec3 c\u00e1ch t\u00ecm ch\u00ednh x\u00e1c t\u01b0\u01a1ng quan t\u00e2m ho\u1eb7c t\u00e2m th\u00edch nghi \u0111\u01b0\u1ee3c \u0111\u1ec1 c\u1eadp \u1edf b\u00e0i vi\u1ebft d\u01b0\u1edbi \u0111\u00e2y<\/strong><\/p>\n

1. L\u01b0u \u00fd khi x\u00e1c \u0111\u1ecbnh t\u01b0\u01a1ng quan t\u00e2m ho\u1eb7c t\u00e2m th\u00edch nghi<\/h2>\n

M\u1eb7c d\u00f9 t\u01b0\u01a1ng quan t\u00e2m l\u00e0 m\u1ed9t v\u1ecb tr\u00ed sinh l\u00fd th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng nh\u01b0ng n\u1ebfu \u00e1p d\u1ee5ng s\u1ef1 \u0111\u00f3ng h\u00e0m kh\u00f4ng h\u01b0\u1edbng d\u1eabn \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh ch\u00ednh x\u00e1c t\u01b0\u01a1ng quan h\u00e0m tr\u00ean- h\u00e0m d\u01b0\u1edbi l\u00e0 kh\u00f4ng \u0111\u00e1ng tin c\u1eady. \u0110i\u1ec1u \u0111\u00f3 l\u00e0 do khi \u0111\u00f3ng h\u00e0m kh\u00f4ng c\u00f3 h\u01b0\u1edbng d\u1eabn, c\u00e1c l\u1ed3i c\u1ea7u kh\u00f4ng ho\u00e0n to\u00e0n n\u1eb1m t\u1ea1i v\u1ecb tr\u00ed t\u01b0\u01a1ng quan t\u00e2m. S\u1ef1 \u0111\u00f3ng h\u00e0m kh\u00f4ng c\u00f3 h\u01b0\u1edbng d\u1eabn c\u00f3 xu h\u01b0\u1edbng \u0111\u00f3ng h\u00e0m v\u1ec1 v\u1ecb tr\u00ed l\u1ed3ng m\u00fai t\u1ed1i \u0111a, v\u00ec th\u1ebf ki\u1ec3u \u0111\u00f3ng h\u00e0m n\u00e0y th\u01b0\u1eddng \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 \u201cv\u1ecb tr\u00ed thu\u1eadn l\u1ee3i\u201d ho\u1eb7c \u201c\u0111\u00f3ng h\u00e0m theo th\u00f3i quen\u201d. S\u1ef1 \u0111\u00f3ng h\u00e0m kh\u00f4ng c\u00f3 h\u01b0\u1edbng d\u1eabn c\u0169ng b\u1ecb \u1ea3nh h\u01b0\u1edfng r\u00f5 r\u1ec7t b\u1edfi s\u1ef1 kh\u00f4ng h\u00f2a h\u1ee3p c\u1ee7a c\u00e1c c\u01a1 do c\u1ea3n tr\u1edf kh\u1edbp c\u1eafn. Do v\u1eady, k\u1ef9 thu\u1eadt s\u1eed d\u1ee5ng hai tay l\u00e0 m\u1ed9t y\u00eau c\u1ea7u c\u1ea7n thi\u1ebft \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh t\u01b0\u01a1ng quan t\u00e2m.<\/p>\n

M\u1ee5c \u0111\u00edch c\u1ee7a thao t\u00e1c tr\u00ean h\u00e0m d\u01b0\u1edbi kh\u00f4ng ph\u1ea3i l\u00e0 \u00e9p x\u01b0\u01a1ng h\u00e0m v\u00e0o v\u1ecb tr\u00ed t\u01b0\u01a1ng quan t\u00e2m. Ph\u1ea7n l\u1edbn vi\u1ec7c t\u00e1c d\u1ee5ng l\u1ef1c l\u00ean x\u01b0\u01a1ng h\u00e0m khi\u1ebfn cho l\u1ed3i c\u1ea7u \u1edf v\u1ecb tr\u00ed kh\u00f4ng ch\u00ednh x\u00e1c. Ph\u01b0\u01a1ng ph\u00e1p ph\u1ed5 bi\u1ebfn nh\u1ea5t c\u1ee7a vi\u1ec7c h\u01b0\u1edbng d\u1eabn c\u1eb1m (chin point guidance) l\u00e0 ph\u01b0\u01a1ng ph\u00e1p \u0111\u1ea9y h\u00e0m tr\u1edf l\u1ea1i, \u0111\u01b0a l\u1ed3i c\u1ea7u xu\u1ed1ng d\u01b0\u1edbi v\u00e0 ra sau.<\/p>\n

S\u1ef1 c\u1ea7n thi\u1ebft c\u1ee7a vi\u1ec7c ki\u1ec3m tra l\u1ef1c t\u1ea3i l\u00e0 \u0111i\u1ec1u quan tr\u1ecdng nh\u1ea5t \u0111\u1ec3 ch\u1ee9ng minh r\u1eb1ng l\u1ed3i c\u1ea7u c\u00f3 th\u1ec3 ch\u1ecbu \u0111\u01b0\u1ee3c c\u00e1c \u00e1p l\u1ef1c m\u00e0 kh\u00f4ng c\u00f3 d\u1ea5u hi\u1ec7u b\u1ecb c\u0103ng ho\u1eb7c b\u1ecb \u0111au. \u0110i\u1ec1u n\u00e0y \u0111\u00f2i h\u1ecfi m\u1ed9t ph\u01b0\u01a1ng ph\u00e1p s\u1eed d\u1ee5ng hai tay \u0111\u1ec3 tr\u1ef1c ti\u1ebfp h\u01b0\u1edbng c\u00e1c t\u1ea3i l\u1ef1c theo h\u01b0\u1edbng l\u00ean tr\u00ean v\u00e0 ra tr\u01b0\u1edbc. Khi n\u1eafm \u0111\u01b0\u1ee3c k\u0129 thu\u1eadt n\u00e0y, vi\u1ec7c thao t\u00e1c \u0111\u1ed3ng th\u1eddi hai b\u00ean c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c l\u1eb7p l\u1ea1i m\u1ed9t c\u00e1ch ch\u00ednh x\u00e1c h\u01a1n b\u1ea5t k\u1ef3 k\u1ef9 thu\u1eadt n\u00e0o \u0111\u01b0\u1ee3c th\u1eed nghi\u1ec7m. \u0110i\u1ec1u n\u00e0y \u0111\u00e3 \u0111\u01b0\u1ee3c x\u00e1c nh\u1eadn b\u1edfi \u00edt nh\u1ea5t 7 nghi\u00ean c\u1ee9u khoa h\u1ecdc \u0111\u00e3 c\u00f4ng b\u1ed1.<\/p>\n

Thao t\u00e1c t\u00ecm ki\u1ebfm v\u00e0 x\u00e1c \u0111\u1ecbnh t\u00e2m th\u00edch nghi \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n gi\u1ed1ng h\u1ec7t v\u1edbi t\u01b0\u01a1ng quan t\u00e2m. Vi\u1ec7c x\u00e1c \u0111\u1ecbnh kh\u1edbp \u0111\u00e3 b\u1ecb bi\u1ebfn d\u1ea1ng nh\u01b0ng v\u1eabn th\u00edch nghi \u0111\u01b0\u1ee3c ph\u1ea3i \u0111\u01b0\u1ee3c ghi nh\u1eadn trong b\u1ec7nh s\u1eed, \u1edf h\u00ecnh \u1ea3nh Doppler v\u00e0 quan s\u00e1t c\u00e1c d\u1ea5u hi\u1ec7u v\u00e0 tri\u1ec7u ch\u1ee9ng, nh\u01b0ng kh\u00f4ng \u0111\u01b0\u1ee3c c\u00f3 d\u1ea5u hi\u1ec7u c\u1ee7a s\u1ef1 kh\u00f3 ch\u1ecbu khi kh\u1edbp ch\u1ecbu l\u1ef1c t\u1ea3i.<\/p>\n

2. Ph\u01b0\u01a1ng ph\u00e1p s\u1eed d\u1ee5ng k\u1ef9 thu\u1eadt hai tay \u0111\u1ec3 t\u00ecm v\u00e0 x\u00e1c \u0111\u1ecbnh t\u01b0\u01a1ng quan t\u00e2m ho\u1eb7c t\u00e2m th\u00edch nghi<\/h2>\n

B\u01b0\u1edbc m\u1ed9t: Cho b\u1ec7nh nh\u00e2n n\u1eb1m ng\u1eeda.<\/strong><\/p>\n

N\u00e2ng c\u1eb1m b\u1ec7nh nh\u00e2n l\u00ean. Khi n\u1eb1m ng\u1eeda b\u1ec7nh nh\u00e2n s\u1ebd th\u1ea5y tho\u1ea3i m\u00e1i h\u01a1n v\u00e0 b\u00e1c s\u0129 d\u1ec5 thao t\u00e1c h\u01a1n khi ng\u1ed3i. N\u00e2ng c\u1eb1m b\u1ec7nh nh\u00e2n l\u00ean gi\u00fap b\u00e1c s\u0129 d\u1ec5 \u0111\u1eb7t hai tay v\u00e0o x\u01b0\u01a1ng h\u00e0m d\u01b0\u1edbi v\u00e0 ch\u1ed1ng l\u1ea1i xu h\u01b0\u1edbng \u0111\u01b0a h\u00e0m ra tr\u01b0\u1edbc c\u1ee7a m\u1ed9t s\u1ed1 b\u1ec7nh nh\u00e2n<\/p>\n

\"su-dung-hai-tay-1\"<\/p>\n

B\u01b0\u1edbc hai: C\u1ed1 \u0111\u1ecbnh \u0111\u1ea7u b\u1ec7nh nh\u00e2n.<\/strong><\/p>\n

H\u1ea1 th\u1ea5p \u0111\u1ea7u b\u1ec7nh nh\u00e2n \u0111\u1ec3 \u0111\u1eb7t n\u00f3 v\u00e0o gi\u1eefa l\u1ed3ng ng\u1ef1c v\u00e0 c\u00e1nh tay. Nhi\u1ec1u nha s\u0129 th\u1ea5y tho\u1ea3i m\u00e1i h\u01a1n khi \u0111\u1eb7t \u0111\u1ea7u b\u1ec7nh nh\u00e2n v\u00e0o gi\u1eefa b\u1ee5ng. Tuy nhi\u00ean, m\u1ed9t v\u00e0i b\u1ea5t l\u1ee3i c\u00f3 th\u1ec3 g\u1eb7p l\u00e0 xu h\u01b0\u1edbng \u0111\u1ea9y l\u00f9i c\u1ee7a h\u00e0m d\u01b0\u1edbi. \u0110i\u1ec1u \u0111\u00f3 c\u0169ng kh\u00f3 kh\u0103n h\u01a1n khi quan s\u00e1t mi\u1ec7ng b\u1ec7nh nh\u00e2n v\u00e0 b\u1ea5t ti\u1ec7n cho c\u00e1c tr\u1ee3 th\u1ee7 trong k\u0129 thu\u1eadt s\u1eed d\u1ee5ng b\u1ed1n tay. Tuy nhi\u00ean, \u0111i\u1ec1u n\u00e0y c\u00f3 th\u1ec3 kh\u1eafc ph\u1ee5c hi\u1ec7u qu\u1ea3 b\u1eb1ng vi\u1ec7c th\u1ef1c h\u00e0nh nhi\u1ec1u.<\/p>\n

\"su-dung-hai-tay-2\"<\/p>\n

B\u1ea5t c\u1ee9 ph\u01b0\u01a1ng ph\u00e1p \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng, \u0111i\u1ec1u quan tr\u1ecdng l\u00e0 \u0111\u1ea7u ph\u1ea3i \u0111\u01b0\u1ee3c c\u1ed1 \u0111\u1ecbnh \u0111\u1ec3 n\u00f3 kh\u00f4ng di chuy\u1ec3n khi ch\u00fang ta thao t\u00e1c tr\u00ean h\u00e0m d\u01b0\u1edbi. Kh\u00f4ng c\u1ed1 \u0111\u1ecbnh \u0111\u01b0\u1ee3c \u0111\u1ea7u l\u00e0 l\u1ed7i th\u01b0\u1eddng x\u1ea3y ra.<\/p>\n

B\u01b0\u1edbc ba: Sau khi \u0111\u00e3 c\u1ed1 \u0111\u1ecbnh \u0111\u1ea7u b\u1ec7nh nh\u00e2n, n\u00e2ng c\u1eb1m b\u1ec7nh nh\u00e2n l\u00ean \u0111\u1ec3 k\u00e9o c\u1ed5 h\u01a1i c\u0103ng ra.<\/strong><\/p>\n

H\u00e3y ch\u1eafc ch\u1eafn r\u1eb1ng nha s\u0129 \u0111ang ng\u1ed3i \u1edf t\u01b0 th\u1ebf tho\u1ea3i m\u00e1i, \u0111\u1ea7u b\u1ec7nh nh\u00e2n \u0111\u1ee7 th\u1ea5p \u0111\u1ec3 khi thao t\u00e1c c\u1eb3ng tay c\u1ee7a nha s\u0129 g\u1ea7n nh\u01b0 song song v\u1edbi s\u00e0n nh\u00e0.<\/p>\n

\"su-dung-hai-tay-3\"
\nB\u01b0\u1edbc b\u1ed1n: Nh\u1eb9 nh\u00e0ng \u0111\u1eb7t b\u1ed1n ng\u00f3n tay c\u1ee7a m\u1ed7i b\u00e0n tay tr\u00ean b\u1edd d\u01b0\u1edbi c\u1ee7a x\u01b0\u01a1ng h\u00e0m d\u01b0\u1edbi.<\/strong><\/p>\n

Ng\u00f3n \u00fat n\u00ean n\u1eb1m h\u01a1i lui ph\u00eda sau g\u00f3c h\u00e0m. \u0110\u1eb7t c\u00e1c ng\u00f3n tay th\u1eb3ng h\u00e0ng tr\u00ean x\u01b0\u01a1ng nh\u01b0 th\u1ec3 b\u1ea1n \u0111ang n\u00e2ng \u0111\u1ea7u b\u1ec7nh nh\u00e2n l\u00ean. Gi\u1eef t\u1ea5t c\u1ea3 b\u1ed1n ng\u00f3n tay s\u00e1t v\u1edbi nhau.<\/p>\n

\"su-dung-hai-tay-4\"<\/p>\n

B\u01b0\u1edbc n\u0103m: \u0110\u1eb7t ng\u00f3n c\u00e1i sao cho ng\u00f3n c\u00e1i v\u00e0 c\u00e1c ng\u00f3n c\u00f2n l\u1ea1i t\u1ea1o th\u00e0nh h\u00ecnh ch\u1eef C \u1edf m\u1ed7i b\u00e0n tay.<\/strong><\/p>\n

Ng\u00f3n c\u00e1i n\u1eb1m v\u1eeba kh\u00edt \u1edf h\u1ed1 c\u1eb1m. L\u00fac n\u00e0y, kh\u00f4ng c\u00f3 b\u1ea5t k\u1ef3 \u00e1p l\u1ef1c n\u00e0o \u0111\u01b0\u1ee3c t\u1ea1o ra. T\u1ea5t c\u1ea3 c\u00e1c chuy\u1ec3n \u0111\u1ed9ng n\u00ean \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n m\u1ed9t c\u00e1ch nh\u1eb9 nh\u00e0ng.<\/p>\n

\"su-dung-hai-tay-5\"<\/p>\n

\u0110\u1ea3m b\u1ea3o r\u1eb1ng c\u00e1c ng\u00f3n tay \u0111\u01b0\u1ee3c n\u1eb1m \u0111\u00fang v\u1ecb tr\u00ed. Sai l\u1ea7m ph\u1ed5 bi\u1ebfn nh\u1ea5t trong vi\u1ec7c t\u00ecm t\u01b0\u01a1ng quan t\u00e2m l\u00e0 \u0111\u1eb7t c\u00e1c ng\u00f3n tay qu\u00e1 xa v\u1ec1 ph\u00eda tr\u01b0\u1edbc. V\u1ebd m\u1ed9t \u0111\u01b0\u1eddng t\u01b0\u1edfng t\u01b0\u1ee3ng \u1edf trung t\u00e2m c\u1ee7a b\u1edd d\u01b0\u1edbi c\u1ee7a x\u01b0\u01a1ng h\u00e0m d\u01b0\u1edbi (\u0111\u01b0\u1eddng g\u1ea1ch ch\u1ea5m). \u0110\u01b0\u1eddng n\u00e0y chia th\u00e0nh hai n\u1eeda: n\u1eeda ph\u00eda tr\u01b0\u1edbc v\u00e0 n\u1eeda ph\u00eda sau. Kh\u00f4ng \u0111\u01b0\u1ee3c \u0111\u1ec3 cho ng\u00f3n tay c\u1ee7a b\u1ea1n di chuy\u1ec3n v\u1ec1 ph\u00eda tr\u01b0\u1edbc \u0111\u01b0\u1eddng n\u00e0y. Gi\u1eef c\u00e1c ng\u00f3n tay s\u00e1t v\u1edbi nhau v\u00e0 gi\u1edbi h\u1ea1n trong n\u1eeda sau, n\u01a1i b\u00e1m c\u00e1c c\u01a1 n\u00e2ng h\u00e0m.<\/p>\n

\"su-dung-hai-tay-6\"<\/p>\n

B\u01b0\u1edbc s\u00e1u: V\u1edbi thao t\u00e1c r\u1ea5t nh\u1eb9 nh\u00e0ng, v\u1eadn \u0111\u1ed9ng h\u00e0m d\u01b0\u1edbi \u0111\u1ec3 n\u00f3 t\u1eeb t\u1eeb xoay m\u1edf ra v\u00e0 \u0111\u00f3ng l\u1ea1i.<\/strong><\/p>\n

Trong v\u1eadn \u0111\u1ed9ng b\u1ea3n l\u1ec1, x\u01b0\u01a1ng h\u00e0m d\u01b0\u1edbi th\u01b0\u1eddng tr\u01b0\u1ee3t v\u00e0o v\u1ecb tr\u00ed t\u01b0\u01a1ng quan t\u00e2m m\u1ed9t c\u00e1ch t\u1ef1 \u0111\u1ed9ng n\u1ebfu kh\u00f4ng c\u00f3 l\u1ef1c n\u00e0o t\u00e1c \u0111\u1ed9ng v\u00e0o. Tr\u01b0\u1edbc khi l\u1ed3i c\u1ea7u v\u00e0o v\u1ecb tr\u00ed t\u01b0\u01a1ng quan t\u00e2m, b\u1ea5t c\u1ee9 \u00e1p l\u1ef1c n\u00e0o t\u00e1c \u0111\u1ed9ng v\u00e0o x\u01b0\u01a1ng h\u00e0m d\u01b0\u1edbi s\u1ebd b\u1ecb ch\u1ed1ng l\u1ea1i b\u1edfi c\u01a1 ch\u00e2n b\u01b0\u1edbm ngo\u00e0i. C\u00e1c c\u01a1 \u0111\u00e3 co s\u1ebd b\u1ecb k\u00e9o d\u00e3n b\u1edfi \u00e1p l\u1ef1c v\u00e0 ph\u1ea3n \u1ee9ng l\u1ea1i b\u1eb1ng m\u1ed9t s\u1ef1 co c\u01a1 l\u1edbn h\u01a1n (stretch reflex reation). Khi c\u00e1c c\u01a1 b\u1ecb k\u00edch th\u00edch co, r\u1ea5t kh\u00f3 \u0111\u1ec3 \u0111\u01b0a l\u1ed3i c\u1ea7u v\u1ec1 v\u1ecb tr\u00ed t\u01b0\u01a1ng quan t\u00e2m. Ch\u00eca kh\u00f3a cho k\u1ef9 thu\u1eadt n\u00e0y l\u00e0 nh\u1eb9 nh\u00e0ng. Kh\u00f4ng \u0111\u01b0\u1ee3c t\u1ea1o ra \u00e1p l\u1ef1c v\u00e0 kh\u00f4ng \u0111\u01b0\u1ee3c l\u1eafc l\u1eafc v\u00ec \u0111i\u1ec1u n\u00e0y s\u1ebd k\u00edch th\u00edch c\u01a1 ph\u1ea3n \u1ee9ng. S\u1eed d\u1ee5ng chuy\u1ec3n \u0111\u1ed9ng b\u1ea3n l\u1ec1 ch\u1eadm (h\u00e1 ng\u1eadm) \u0111\u1ec3 kh\u00f4ng k\u00edch th\u00edch c\u00e1c c\u01a1 co.
\nTo\u00e0n b\u1ed9 m\u1ee5c \u0111\u00edch c\u1ee7a b\u01b0\u1edbc n\u00e0y l\u00e0 l\u00e0m ng\u1eebng ho\u1ea1t \u0111\u1ed9ng c\u1ee7a c\u00e1c c\u01a1. Ch\u00fang ta th\u01b0\u1eddng m\u00f4 t\u1ea3 k\u1ef9 thu\u1eadt n\u00e0y l\u00e0 \u201cth\u01b0 gi\u00e3n h\u00e0m d\u01b0\u1edbi\u201d (romancing the mandible). N\u00ean nh\u1edb r\u1eb1ng, ch\u00fang ta th\u1ef1c s\u1ef1 ch\u1ec9 \u0111\u1ec3 \u0111\u1eb7t l\u1ed3i c\u1ea7u v\u00e0o v\u1ecb tr\u00ed c\u01a1 sinh l\u00fd m\u00e0 ch\u00fang mu\u1ed1n \u2013 v\u1ecb tr\u00ed \u0111\u00fang t\u1ea1i h\u00f5m kh\u1edbp. Khi h\u00e1 ng\u1eadm h\u00e0m \u1edf v\u1ecb tr\u00ed n\u00e0y, kh\u00f4ng c\u1ea7n thi\u1ebft ph\u1ea3i h\u00e1 mi\u1ec7ng r\u1ed9ng. \u0110\u01b0\u1eddng h\u00e1 ng\u1eadm kho\u1ea3ng 1 ho\u1eb7c 2mm l\u00e0 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c. Khi chuy\u1ec3n \u0111\u1ed9ng, kh\u00f4ng \u0111\u1ec3 c\u00e1c r\u0103ng ch\u1ea1m nhau.<\/p>\n

\"su-dung-hai-tay-7\"<\/p>\n

N\u1ebfu b\u1ec7nh nh\u00e2n ch\u1ed1ng l\u1ea1i k\u1ec3 c\u1ea3 khi thao t\u00e1c nh\u1eb9 nh\u00e0ng b\u1eb1ng vi\u1ec7c gi\u1eef h\u00e0m t\u1ea1i l\u1ed3i c\u1eb1m, s\u1eed d\u1ee5ng hai tay nh\u1eb9 nh\u00e0ng v\u00e0 y\u00eau c\u1ea7u b\u1ec7nh nh\u00e2n h\u00e1 v\u00e0 ng\u1eadm mi\u1ec7ng (xoay \u0111\u01a1n thu\u1ea7n) T\u1ea1i th\u1eddi \u0111i\u1ec3m b\u1eaft \u0111\u1ea7u \u0111\u00f3ng h\u00e0m, x\u01b0\u01a1ng h\u00e0m d\u01b0\u1edbi th\u01b0\u1eddng t\u1ef1 \u0111\u1ed9ng lui sau. N\u1ebfu tay b\u1ea1n ch\u1ec9 \u0111\u01a1n gi\u1ea3n \u0111i c\u00f9ng v\u1edbi x\u01b0\u01a1ng h\u00e0m b\u1ec7nh nh\u00e2n, b\u1ea1n s\u1ebd c\u1ea3m nh\u1eadn \u0111\u01b0\u1ee3c s\u1ef1 l\u00f9i l\u1ea1i c\u1ee7a x\u01b0\u01a1ng h\u00e0m. Sau \u0111\u00f3, gi\u1eef x\u01b0\u01a1ng h\u00e0m d\u01b0\u1edbi c\u1ed1 \u0111\u1ecbnh t\u1ea1i v\u1ecb tr\u00ed b\u1ea3n l\u1ec1 \u0111\u1ec3 chu\u1ea9n b\u1ecb cho b\u01b0\u1edbc ti\u1ebfp theo<\/p>\n

B\u01b0\u1edbc b\u1ea3y: Sau khi x\u01b0\u01a1ng h\u00e0m d\u01b0\u1edbi g\u1ea7n nh\u01b0 v\u1eadn \u0111\u1ed9ng b\u1ea3n l\u1ec1 m\u1ed9t c\u00e1ch t\u1ef1 do v\u00e0 l\u1ed3i c\u1ea7u d\u01b0\u1eddng nh\u01b0 ho\u00e0n to\u00e0n n\u1eb1m trong h\u00f5m kh\u1edbp, h\u1ea7u h\u1ebft c\u00e1c nh\u00e0 l\u00e2m s\u00e0ng c\u00f3 kinh nghi\u1ec7m cho r\u1eb1ng x\u01b0\u01a1ng h\u00e0m d\u01b0\u1edbi \u0111ang \u1edf v\u1ecb tr\u00ed t\u01b0\u01a1ng quan t\u00e2m.<\/strong><\/p>\n

Theo: S\u00e1ch Functional Occlusion From TMJ to Smile Design – Dawson<\/em><\/p>\n","protected":false},"excerpt":{"rendered":"

B\u00e0i vi\u1ebft n\u00e0y \u0111\u1ec1 c\u1eadp \u0111\u1ebfn ph\u01b0\u01a1ng ph\u00e1p s\u1eed d\u1ee5ng hai tay \u0111\u1ec3 t\u00ecm v\u00e0 x\u00e1c \u0111\u1ecbnh t\u01b0\u01a1ng quan t\u00e2m. M\u1eb7c d\u00f9 t\u01b0\u01a1ng quan t\u00e2m l\u00e0 m\u1ed9t v\u1ecb tr\u00ed sinh l\u00fd th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng nh\u01b0ng n\u1ebfu \u00e1p d\u1ee5ng s\u1ef1 \u0111\u00f3ng h\u00e0m kh\u00f4ng h\u01b0\u1edbng d\u1eabn \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh ch\u00ednh x\u00e1c t\u01b0\u01a1ng quan h\u00e0m tr\u00ean- h\u00e0m […]<\/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":[3],"yoast_head":"\nS\u1eed d\u1ee5ng hai tay \u0111\u1ec3 t\u00ecm v\u00e0 x\u00e1c \u0111\u1ecbnh t\u01b0\u01a1ng quan t\u00e2m.<\/title>\n<meta name=\"description\" content=\"B\u00e0i vi\u1ebft n\u00e0y \u0111\u1ec1 c\u1eadp ph\u01b0\u01a1ng ph\u00e1p s\u1eed d\u1ee5ng hai tay \u0111\u1ec3 t\u00ecm v\u00e0 x\u00e1c \u0111\u1ecbnh t\u01b0\u01a1ng quan t\u00e2m tr\u00ean l\u00e2m s\u00e0ng. C\u00f9ng t\u00ecm hi\u1ec3u th\u00eam v\u1ec1 ph\u01b0\u01a1ng ph\u00e1p n\u00e0y.\" \/>\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=\"S\u1eed d\u1ee5ng hai tay \u0111\u1ec3 t\u00ecm v\u00e0 x\u00e1c \u0111\u1ecbnh t\u01b0\u01a1ng quan t\u00e2m.\" \/>\n<meta property=\"og:description\" content=\"B\u00e0i vi\u1ebft n\u00e0y \u0111\u1ec1 c\u1eadp ph\u01b0\u01a1ng ph\u00e1p s\u1eed d\u1ee5ng hai tay \u0111\u1ec3 t\u00ecm v\u00e0 x\u00e1c \u0111\u1ecbnh t\u01b0\u01a1ng quan t\u00e2m tr\u00ean l\u00e2m s\u00e0ng. 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