{"id":21244,"date":"2023-04-16T11:53:19","date_gmt":"2023-04-16T04:53:19","guid":{"rendered":"http:\/\/noithathoaphat.in\/ctv\/?p=21244"},"modified":"2023-05-02T14:36:42","modified_gmt":"2023-05-02T07:36:42","slug":"dinh-nghia-va-dac-diem-cua-khop-can-ly-tuong","status":"publish","type":"post","link":"http:\/\/noithathoaphat.in\/ctv\/index.php\/2023\/04\/16\/dinh-nghia-va-dac-diem-cua-khop-can-ly-tuong\/","title":{"rendered":"\u0110\u1ecbnh ngh\u0129a v\u00e0 \u0111\u1eb7c \u0111i\u1ec3m c\u1ee7a kh\u1edbp c\u1eafn l\u00fd t\u01b0\u1edfng."},"content":{"rendered":"<p><strong>B\u00e0i vi\u1ebft n\u00e0y n\u00f3i v\u1ec1 kh\u00e1i l\u01b0\u1ee3c \u0111\u1ecbnh ngh\u0129a v\u00e0 \u0111\u1eb7c \u0111i\u1ec3m c\u1ee7a kh\u1edbp c\u1eafn l\u00fd t\u01b0\u1edfng &#8211; m\u1ed9t ti\u00eau chu\u1ea9n &#8220;v\u00e0ng&#8221; m\u00e0 c\u00e1c Nha s\u0129 ch\u1ec9nh r\u0103ng l\u00e2m s\u00e0ng lu\u00f4n lu\u00f4n mong mu\u1ed1n h\u01b0\u1edbng \u0111\u1ebfn. C\u00f9ng t\u00ecm hi\u1ec3u k\u1ef9 h\u01a1n v\u1ec1 ch\u1ee7 \u0111\u1ec1 n\u00e0y.\u00a0<\/strong><\/p>\n<h2>1. \u0110\u1ecbnh ngh\u0129a v\u1ec1 kh\u1edbp c\u1eafn l\u00fd t\u01b0\u1edfng<\/h2>\n<p>Kh\u1edbp c\u1eafn l\u00fd t\u01b0\u1edfng l\u00e0 kh\u1edbp c\u1eafn c\u00f3 t\u01b0\u01a1ng quan r\u0103ng-r\u0103ng \u0111\u00fang theo m\u00f4 t\u1ea3 l\u00fd thuy\u1ebft, b\u1ed9 r\u0103ng c\u00f3 quan h\u1ec7 gi\u1ea3i ph\u1eabu v\u00e0 ch\u1ee9c n\u0103ng h\u00e0i h\u00f2a v\u1edbi c\u00e1c c\u1ea5u tr\u00fac kh\u00e1c c\u1ee7a h\u1ec7 th\u1ed1ng nhai, t\u1ea5t c\u1ea3 trong t\u00ecnh tr\u1ea1ng l\u00fd t\u01b0\u1edfng.<\/p>\n<p>Tr\u01b0\u1edbc \u0111\u00e2y, kh\u1edbp c\u1eafn th\u01b0\u1eddng \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 l\u00e0 l\u00fd t\u01b0\u1edfng khi v\u1ec1 m\u1eb7t gi\u1ea3i ph\u1eabu, n\u00f3 c\u00f3 t\u01b0\u01a1ng quan r\u0103ng-r\u0103ng, m\u00fai tr\u0169ng \u0111\u00fang theo m\u00f4 t\u1ea3 l\u00fd t\u01b0\u1edfng. Nh\u01b0ng nh\u01b0 v\u1eady, m\u1edbi ch\u1ec9 d\u1ef1a tr\u00ean nh\u1eefng quan ni\u1ec7m \u0111\u1ecbnh h\u01b0\u1edbng theo r\u0103ng m\u00e0 kh\u00f4ng quan t\u00e2m \u0111\u1ebfn c\u00e1c th\u00e0nh ph\u1ea7n kh\u00e1c c\u1ee7a h\u1ec7 th\u1ed1ng nhai.<\/p>\n<p>V\u1ec1 m\u1eb7t th\u1ef1c h\u00e0nh, kh\u1edbp c\u1eafn l\u00fd t\u01b0\u1edfng l\u00e0 m\u1ee5c ti\u00eau l\u00fd thuy\u1ebft mong mu\u1ed1n \u0111\u1ea1t \u0111\u1ebfn, kh\u00f4ng t\u00ednh \u0111\u1ebfn kh\u1ea3 n\u0103ng \u0111i\u1ec1u tr\u1ecb th\u1ef1c t\u1ebf.<\/p>\n<h2>2. \u0110\u1eb7c \u0111i\u1ec3m c\u1ee7a kh\u1edbp c\u1eafn l\u00fd t\u01b0\u1edfng<\/h2>\n<h3>2.1. Kh\u1edbp th\u00e1i d\u01b0\u01a1ng h\u00e0m c\u00f3 ch\u1ee9c n\u0103ng t\u1ed1i \u01b0u<\/h3>\n<p>M\u1ed9t kh\u1edbp c\u1eafn l\u00fd t\u01b0\u1edfng ph\u1ea3i cho th\u1ea5y kh\u1edbp th\u00e1i d\u01b0\u01a1ng h\u00e0m \u1edf v\u1ecb tr\u00ed ch\u1ee9c n\u0103ng t\u1ed1i \u01b0u khi c\u00e1c r\u0103ng \u1edf l\u1ed3ng m\u00fai t\u1ed1i \u0111a: V\u1ecb tr\u00ed l\u1ed3i c\u1ea7u t\u1ed1i \u01b0u (tr\u00f9ng ho\u1eb7c g\u1ea7n tr\u00f9ng v\u1edbi v\u1ecb tr\u00ed t\u01b0\u01a1ng quan trung t\u00e2m) v\u1edbi c\u00e1c l\u1ed3i c\u1ea7u b\u00ecnh th\u01b0\u1eddng v\u1ec1 c\u1ea5u tr\u00fac, t\u1ef1a v\u00e0o \u0111\u0129a kh\u1edbp c\u00f3 c\u1ea5u tr\u00fac v\u00e0 v\u1ecb tr\u00ed b\u00ecnh th\u01b0\u1eddng, \u0111\u0129a kh\u1edbp t\u1ef1a m\u1eb7t l\u00f5m v\u00e0o l\u1ed3i kh\u1edbp theo h\u01b0\u1edbng tr\u01b0\u1edbc tr\u00ean v\u00e0 v\u1edbi ho\u1ea1t \u0111\u1ed9ng c\u01a1 t\u1ed1i \u01b0u c\u0169ng nh\u01b0 v\u1edbi s\u1ef1 \u1ed5n \u0111\u1ecbnh t\u1ed1i \u0111a v\u1ec1 c\u1eafn kh\u1edbp (Mc. Neil).<\/p>\n<h3>2.2. Kh\u1edbp c\u1eafn trung t\u00e2m tr\u00f9ng v\u1edbi l\u1ed3ng m\u00fai t\u1ed1i \u0111a<\/h3>\n<p>Kh\u1edbp c\u1eafn trung t\u00e2m (CO = Centric Occlusion) \u0111\u01b0\u1ee3c \u0111\u1ecbnh ngh\u0129a l\u00e0 \u201c S\u1ef1 \u0103n kh\u1edbp c\u1ee7a c\u00e1c r\u0103ng khi h\u00e0m d\u01b0\u1edbi \u1edf t\u01b0\u01a1ng quan trung t\u00e2m\u201d; tr\u00ean \u0111\u1ea1i \u0111a s\u1ed1 ng\u01b0\u1eddi b\u00ecnh th\u01b0\u1eddng, kh\u1edbp c\u1eafn trung t\u00e2m th\u01b0\u1eddng kh\u00f4ng tr\u00f9ng v\u1edbi v\u1ecb tr\u00ed l\u1ed3ng m\u00fai t\u1ed1i \u0111a. \u1ede m\u1ed9t kh\u1edbp c\u1eafn l\u00fd t\u01b0\u1edfng, kh\u1edbp c\u1eafn trung t\u00e2m tr\u00f9ng v\u1edbi v\u1ecb tr\u00ed l\u1ed3ng m\u00fai t\u1ed1i \u0111a; n\u00f3i c\u00e1ch kh\u00e1c, \u1edf kh\u1edbp c\u1eafn l\u00fd t\u01b0\u1edfng, l\u1ed3ng m\u00fai t\u1ed1i \u0111a di\u1ec5n ra khi h\u00e0m d\u01b0\u1edbi \u1edf t\u01b0\u01a1ng quan trung t\u00e2m.<\/p>\n<p>\u0110\u00e2y l\u00e0 \u0111\u1ecbnh ngh\u0129a \u201cb\u00ecnh th\u01b0\u1eddng\u201d theo tr\u01b0\u1eddng ph\u00e1i h\u00e0m h\u1ecdc, trong tr\u01b0\u1eddng h\u1ee3p c\u00f3 t\u01b0\u01a1ng quan t\u1ed1i \u01b0u gi\u1eefa hai h\u00e0m. C\u1ea7n ch\u00fa \u00fd kh\u1edbp c\u1eafn trung t\u00e2m l\u00e0 v\u1ecb tr\u00ed r\u0103ng h\u01b0\u1edbng d\u1eabn, l\u1ed3i c\u1ea7u kh\u00f4ng quy\u1ebft \u0111\u1ecbnh v\u1ecb tr\u00ed c\u00e1c r\u0103ng (xem ch\u01b0\u01a1ng 4 v\u00e0 ch\u01b0\u01a1ng 6). Kh\u1edbp c\u1eafn l\u00fd t\u01b0\u1edfng l\u00e0 m\u1ed9t kh\u1edbp c\u1eafn \u1ed5n \u0111\u1ecbnh, kh\u00f4ng c\u00f3 bi\u1ec3u hi\u1ec7n n\u00e0o v\u1ec1 s\u1ef1 thay \u0111\u1ed5i v\u1ecb tr\u00ed c\u1ee7a r\u0103ng hay m\u00f4 nha chu. R\u0103ng \u0111\u01b0\u1ee3c s\u1eafp x\u1ebfp tr\u00ean cung h\u00e0m sao cho l\u1ef1c nhai \u0111\u01b0\u1ee3c h\u01b0\u1edbng theo tr\u1ee5c c\u1ee7a r\u0103ng c\u00e0ng nhi\u1ec1u c\u00e0ng t\u1ed1t, kh\u00f4ng c\u00f3 chuy\u1ec3n \u0111\u1ed9ng sang b\u00ean do l\u1ef1c xo\u1eafn. S\u1ef1 s\u1eafp x\u1ebfp c\u1ee7a cung r\u0103ng l\u00e0 k\u1ebft qu\u1ea3 c\u1ee7a c\u00e1c l\u1ef1c t\u1eeb c\u00e1c c\u01a1 quan xung quanh, \u0111\u1eb7c bi\u1ec7t l\u00e0 h\u1ec7 th\u1ed1ng m\u00f4i-m\u00e1-l\u01b0\u1ee1i, t\u00e1c \u0111\u1ed9ng l\u00ean b\u1ed9 r\u0103ng t\u1eeb m\u1ecdi h\u01b0\u1edbng.<\/p>\n<p>\u1ede kh\u1edbp c\u1eafn trung t\u00e2m, c\u00e1c r\u0103ng sau ph\u1ea3i c\u00f3 s\u1ef1 ti\u1ebfp x\u00fac \u0111\u1ed3ng th\u1eddi v\u00e0 c\u00e2n b\u1eb1ng hai b\u00ean, c\u00e1c r\u0103ng tr\u01b0\u1edbc ch\u1ec9 ti\u1ebfp x\u00fac nh\u1eb9. T\u01b0\u01a1ng quan n\u00e0y cho ph\u00e9p s\u1ef1 \u1ed5n \u0111\u1ecbnh t\u1ed1i \u0111a \u0111\u1ed1i v\u1edbi kh\u1edbp th\u00e1i d\u01b0\u01a1ng h\u00e0m v\u00e0 gi\u1ea3m t\u1ed1i \u0111a l\u1ef1c nhai l\u00ean m\u1ed7i r\u0103ng. Nh\u01b0 v\u1eady, \u1edf kh\u1edbp c\u1eafn trung t\u00e2m, r\u0103ng sau gi\u1eef \u1ed5n \u0111\u1ecbnh c\u00e1c ti\u1ebfp x\u00fac r\u0103ng v\u00e0 h\u00e0m.<\/p>\n<h3>2.3. C\u00f3 s\u1ef1 b\u1ea3o v\u1ec7 l\u1eabn nhau gi\u1eefa r\u0103ng tr\u01b0\u1edbc v\u00e0 r\u0103ng sau<\/h3>\n<p>C\u00e1c r\u0103ng sau \u0111\u01b0\u1ee3c s\u1eafp x\u1ebfp sao cho n\u00f3 ch\u1ecbu \u0111\u01b0\u1ee3c l\u1ef1c nhai theo chi\u1ec1u d\u1ecdc. Ng\u01b0\u1ee3c l\u1ea1i, c\u00e1c r\u0103ng tr\u01b0\u1edbc nghi\u00eang v\u1ec1 ph\u00eda m\u00f4i, kh\u00f4ng th\u00edch \u1ee9ng \u0111\u1ec3 ch\u1ecbu l\u1ef1c theo chi\u1ec1u th\u1eb3ng \u0111\u1ee9ng. Nh\u01b0 v\u1eady c\u00e1c r\u0103ng sau gi\u00fap b\u1ea3o v\u1ec7 c\u00e1c r\u0103ng tr\u01b0\u1edbc tr\u00e1nh \u0111\u01b0\u1ee3c c\u00e1c l\u1ef1c ch\u1ee9c n\u0103ng qu\u00e1 m\u1ee9c theo chi\u1ec1u th\u1eb3ng \u0111\u1ee9ng khi nhai, ng\u01b0\u1ee3c l\u1ea1i, c\u00e1c r\u0103ng tr\u01b0\u1edbc duy tr\u00ec s\u1ef1 ti\u1ebfp x\u00fac nh\u1eb9 \u1edf kh\u1edbp c\u1eafn trung t\u00e2m. Trong v\u1eadn \u0111\u1ed9ng ti\u1ebfp x\u00fac ra tr\u01b0\u1edbc v\u00e0 tr\u01b0\u1edbc b\u00ean, c\u00e1c r\u0103ng sau nh\u1ea3 kh\u1edbp do h\u01b0\u1edbng d\u1eabn c\u1ee7a c\u00e1c r\u0103ng tr\u01b0\u1edbc.<\/p>\n<p>C\u00e1c r\u0103ng tr\u01b0\u1edbc h\u01b0\u1edbng d\u1eabn h\u00e0m d\u01b0\u1edbi trong v\u1eadn \u0111\u1ed9ng ra tr\u01b0\u1edbc v\u00e0 tr\u01b0\u1edbc b\u00ean: trong v\u1eadn \u0111\u1ed9ng ra tr\u01b0\u1edbc, c\u00e1c r\u0103ng c\u1eeda ti\u1ebfp x\u00fac v\u00e0 h\u01b0\u1edbng d\u1eabn (h\u01b0\u1edbng d\u1eabn r\u0103ng c\u1eeda), c\u00e1c r\u0103ng sau nh\u1ea3 kh\u1edbp (H\u00ecnh 1). Trong chuy\u1ec3n \u0111\u1ed9ng tr\u01b0\u1edbc b\u00ean, r\u0103ng nanh g\u00e2y nh\u1ea3 kh\u1edbp t\u1ea5t c\u1ea3 c\u00e1c r\u0103ng sau (h\u01b0\u1edbng d\u1eabn r\u0103ng nanh) (H\u00ecnh 2). H\u01b0\u1edbng d\u1eabn r\u0103ng nanh v\u00e0 r\u0103ng c\u1eeda \u0111\u01b0\u1ee3c g\u1ecdi chung l\u00e0 h\u01b0\u1edbng d\u1eabn tr\u01b0\u1edbc. Nh\u01b0 v\u1eady, khi th\u1ef1c hi\u1ec7n v\u1eadn \u0111\u1ed9ng ra tr\u01b0\u1edbc v\u00e0 tr\u01b0\u1edbc b\u00ean, c\u00e1c r\u0103ng tr\u01b0\u1edbc h\u01b0\u1edbng d\u1eabn h\u00e0m d\u01b0\u1edbi l\u00e0m nh\u1ea3 kh\u1edbp v\u00e0 b\u1ea3o v\u1ec7 c\u00e1c r\u0103ng sau kh\u1ecfi c\u00e1c l\u1ef1c t\u00e1c \u0111\u1ed9ng theo chi\u1ec1u ngang.<\/p>\n<figure id=\"attachment_21256\" aria-describedby=\"caption-attachment-21256\" style=\"width: 608px\" class=\"wp-caption alignnone\"><img decoding=\"async\" loading=\"lazy\" class=\"size-full wp-image-21256\" src=\"http:\/\/noithathoaphat.in\/ctv\/wp-content\/uploads\/2023\/04\/Untitled-37.png\" alt=\"khop-can-ly-tuong-1\" width=\"608\" height=\"399\" srcset=\"http:\/\/noithathoaphat.in\/ctv\/wp-content\/uploads\/2023\/04\/Untitled-37.png 608w, http:\/\/noithathoaphat.in\/ctv\/wp-content\/uploads\/2023\/04\/Untitled-37-300x197.png 300w\" sizes=\"(max-width: 608px) 100vw, 608px\" \/><figcaption id=\"caption-attachment-21256\" class=\"wp-caption-text\">H\u00ecnh 1: H\u01b0\u1edbng d\u1eabn r\u0103ng c\u1eeda g\u00e2y nh\u1ea3 kh\u1edbp r\u0103ng sau trong v\u1eadn \u0111\u1ed9ng ra tr\u01b0\u1edbc<\/figcaption><\/figure>\n<p>&nbsp;<\/p>\n<figure id=\"attachment_21260\" aria-describedby=\"caption-attachment-21260\" style=\"width: 608px\" class=\"wp-caption alignnone\"><img decoding=\"async\" loading=\"lazy\" class=\"size-full wp-image-21260\" src=\"http:\/\/noithathoaphat.in\/ctv\/wp-content\/uploads\/2023\/04\/Untitled-38.png\" alt=\"khop-can-ly-tuong-2\" width=\"608\" height=\"431\" srcset=\"http:\/\/noithathoaphat.in\/ctv\/wp-content\/uploads\/2023\/04\/Untitled-38.png 608w, http:\/\/noithathoaphat.in\/ctv\/wp-content\/uploads\/2023\/04\/Untitled-38-300x213.png 300w\" sizes=\"(max-width: 608px) 100vw, 608px\" \/><figcaption id=\"caption-attachment-21260\" class=\"wp-caption-text\">H\u00ecnh 2: H\u01b0\u1edbng d\u1eabn r\u0103ng nanh g\u00e2y nh\u1ea3 kh\u1edbp c\u00e1c r\u0103ng sau trong v\u1eadn \u0111\u1ed9ng sang b\u00ean<\/figcaption><\/figure>\n<p>Do c\u00e1c r\u0103ng tr\u01b0\u1edbc xa c\u00e1c c\u01a1 n\u00e2ng h\u00e0m h\u01a1n c\u00e1c r\u0103ng sau n\u00ean \u00e1p l\u1ef1c \u0111\u1eb7t l\u00ean v\u00f9ng r\u0103ng tr\u01b0\u1edbc \u00edt h\u01a1n. Nh\u01b0 v\u1eady c\u00e1c r\u0103ng tr\u01b0\u1edbc th\u1ee5 c\u1ea3m nh\u1eefng l\u1ef1c ngang trong c\u00e1c chuy\u1ec3n \u0111\u1ed9ng l\u1ec7ch t\u00e2m c\u1ee7a h\u00e0m d\u01b0\u1edbi t\u1ed1t h\u01a1n, nh\u1eefng l\u1ef1c n\u00e0y t\u00e1c \u0111\u1ed9ng c\u00f3 h\u1ea1i cho c\u00e1c r\u0103ng sau. \u0110\u1eb7c bi\u1ec7t r\u0103ng nanh c\u00f3 c\u1ea5u tr\u00fac x\u01b0\u01a1ng v\u00e0 t\u1ef7 l\u1ec7 th\u00e2n\/ch\u00e2n r\u0103ng th\u00edch h\u1ee3p nh\u1ea5t \u0111\u1ec3 ch\u1ecbu nh\u1eefng l\u1ef1c ngang. Qua nghi\u00ean c\u1ee9u Williamson, c\u00e1c c\u01a1 nhai c\u00f3 gi\u1ea3m ho\u1ea1t \u0111\u1ed9ng khi c\u00e1c r\u0103ng sau nh\u1ea3 kh\u1edbp trong chuy\u1ec3n \u0111\u1ed9ng ra tr\u01b0\u1edbc v\u00e0 sang b\u00ean.<\/p>\n<p>Rugh v\u00e0 c\u1ed9ng s\u1ef1 c\u0169ng ghi nh\u1eadn \u0111i\u1ec1u n\u00e0y c\u0169ng di\u1ec5n ra v\u1edbi h\u01b0\u1edbng d\u1eabn r\u0103ng c\u1ed1i. D\u01b0\u1eddng nh\u01b0 s\u1ef1 ti\u1ebfp x\u00fac tr\u00ean m\u1ed9t r\u0103ng l\u00e0 m\u1ed9t thu\u1eadn l\u1ee3i, nh\u01b0 m\u1ed9t h\u01b0\u1edbng d\u1eabn cho c\u1eed \u0111\u1ed9ng sang b\u00ean (ng\u01b0\u1ee3c v\u1edbi s\u1ef1 ti\u1ebfp x\u00fac tr\u00ean nhi\u1ec1u r\u0103ng ). M\u1ed9t kh\u1edbp c\u1eafn l\u00fd t\u01b0\u1edfng l\u00e0 kh\u1edbp c\u1eafn c\u00f3 \u0111\u01b0\u1ee3c s\u1ef1 \u201cb\u1ea3o v\u1ec7 l\u1eabn nhau\u201d c\u1ee7a c\u00e1c r\u0103ng tr\u01b0\u1edbc v\u00e0 r\u0103ng sau.<\/p>\n<h3>2.4. Ch\u1ee9c n\u0103ng h\u1ec7 th\u1ed1ng nhai t\u1ed1i \u01b0u<\/h3>\n<p>M\u1ed9t \u0111\u00f2i h\u1ecfi \u0111\u1ed1i v\u1edbi kh\u1edbp c\u1eafn l\u00fd t\u01b0\u1edfng l\u00e0 \u0111\u1ea1t \u0111\u01b0\u1ee3c ch\u1ee9c n\u0103ng t\u1ed1i \u01b0u. H\u1ec7 th\u1ed1ng nhai g\u1eafn li\u1ec1n v\u1edbi c\u00e1c ch\u1ee9c n\u0103ng ph\u00e1t \u00e2m, nhai, nu\u1ed1t&#8230; V\u1ecb tr\u00ed c\u00e1c r\u0103ng ph\u1ea3i \u0111\u1ea3m b\u1ea3o cho c\u00e1c ch\u1ee9c n\u0103ng n\u00e0y. Th\u00ed d\u1ee5: c\u00e1c r\u0103ng c\u1eeda tr\u00ean ph\u1ea3i cho ph\u00e9p s\u1ef1 ti\u1ebfp x\u00fac b\u1edd c\u1eafn v\u1edbi \u201c\u0111\u01b0\u1eddng kh\u00f4 \u2013 \u01b0\u1edbt\u201d c\u1ee7a m\u00f4i d\u01b0\u1edbi \u0111\u1ec3 ph\u00e1t \u00e2m r\u00f5 c\u00e1c \u00e2m \/f\/ hay \/v\/; c\u00e1c r\u0103ng c\u1eeda tr\u00ean v\u00e0 d\u01b0\u1edbi ph\u1ea3i c\u00f3 t\u01b0\u01a1ng quan ti\u1ebfp x\u00fac \u0111\u1ed1i \u0111\u1ea7u nhau \u0111\u1ec3 c\u1eaft th\u1ee9c \u0103n t\u1ed1t. L\u1ef1c t\u00e1c \u0111\u1ed9ng tr\u00ean c\u00e1c r\u0103ng sau \u0111\u01b0\u1ee3c h\u01b0\u1edbng theo tr\u1ee5c r\u0103ng \u0111\u1ec3 vi\u1ec7c nhai nghi\u1ec1n th\u1ee9c \u0103n \u0111\u01b0\u1ee3c hi\u1ec7u qu\u1ea3.<\/p>\n<p>Ng\u01b0\u1eddi c\u00f3 \u201ckh\u1edbp c\u1eafn l\u00fd t\u01b0\u1edfng\u201d ph\u1ea3i c\u1ea3m th\u1ea5y m\u1ed9t s\u1ef1 \u1ed5n \u0111\u1ecbnh, ho\u00e0n to\u00e0n tho\u1ea3i m\u00e1i, kh\u00f4ng \u0111au, kh\u00f4ng kh\u00f3 ch\u1ecbu do t\u00ecnh tr\u1ea1ng ho\u1ea1t \u0111\u1ed9ng c\u1ee7a h\u1ec7 th\u1ed1ng nhai v\u00e0 trong giao ti\u1ebfp (y\u1ebfu t\u1ed1 th\u1ea9m m\u1ef9).<\/p>\n<p>Tr\u00ean c\u01a1 s\u1edf c\u00e1c nghi\u00ean c\u1ee9u v\u1ec1 l\u00e2m s\u00e0ng v\u00e0 \u0111i\u1ec7n c\u01a1 \u0111\u1ed3, c\u00f3 th\u1ec3 k\u1ebft lu\u1eadn r\u1eb1ng nh\u1eefng \u0111i\u1ec1u ti\u00ean quy\u1ebft cho m\u1ed9t kh\u1edbp c\u1eafn l\u00fd t\u01b0\u1edfng l\u00e0:<\/p>\n<ol>\n<li>T\u01b0\u01a1ng quan c\u1eafn kh\u1edbp h\u00e0i h\u00f2a v\u00e0 \u1ed5n \u0111\u1ecbnh \u1edf t\u01b0\u01a1ng quan trung t\u00e2m c\u0169ng nh\u01b0 trong \u0111o\u1ea1n gi\u1eefa t\u01b0\u01a1ng quan trung t\u00e2m v\u00e0 kh\u1edbp c\u1eafn trung t\u00e2m.<\/li>\n<li>Thu\u1eadn l\u1ee3i trong c\u00e1c v\u1eadn \u0111\u1ed9ng tr\u01b0\u1ee3t sang b\u00ean v\u00e0 ra tr\u01b0\u1edbc.<\/li>\n<li>C\u00e1c l\u1ef1c nhai thu\u1eadn l\u1ee3i nh\u1ea5t \u0111\u1ed1i v\u1edbi s\u1ef1 \u1ed5n \u0111\u1ecbnh r\u0103ng.<\/li>\n<li>Kh\u00f4ng c\u00f3 nh\u1eefng y\u1ebfu t\u1ed1 c\u00f3 khuynh h\u01b0\u1edbng g\u00e2y m\u1ea5t \u1ed5n \u0111\u1ecbnh.<\/li>\n<\/ol>\n<p>M\u1eb7c d\u00f9 quan ni\u1ec7m v\u1ec1 kh\u1edbp c\u1eafn nh\u01b0 tr\u00ean l\u00e0m cho nh\u00e0 l\u00e2m s\u00e0ng c\u00f3 th\u1ec3 gi\u00fap nh\u1eefng b\u1ec7nh nh\u00e2n c\u00f3 m\u1ee9c ch\u1ecbu \u0111\u1ef1ng th\u1ea5p \u0111\u1ed1i v\u1edbi s\u1ef1 kh\u00f4ng ho\u00e0n h\u1ea3o c\u1ee7a kh\u1edbp c\u1eafn hay nh\u1eefng ng\u01b0\u1eddi b\u1ecb vi\u00eam nha chu ti\u1ebfn tri\u1ec3n; nh\u01b0ng kh\u00f4ng c\u00f3 ngh\u0129a m\u1ed9t \u201cl\u00fd t\u01b0\u1edfng\u201d nh\u01b0 th\u1ebf ph\u1ea3i \u0111\u01b0\u1ee3c \u00e1p \u0111\u1eb7t l\u00ean b\u1ea5t k\u1ef3 b\u1ec7nh nh\u00e2n n\u00e0o c\u00f3 kh\u1edbp c\u1eafn ch\u1ee9c n\u0103ng v\u00e0 m\u00f4 nha chu l\u00e0nh m\u1ea1nh (Ash)<\/p>\n<p><em>Ngu\u1ed3n: T\u1ed5ng h\u1ee3p<\/em><\/p>\n","protected":false},"excerpt":{"rendered":"<p>B\u00e0i vi\u1ebft n\u00e0y n\u00f3i v\u1ec1 kh\u00e1i l\u01b0\u1ee3c \u0111\u1ecbnh ngh\u0129a v\u00e0 \u0111\u1eb7c \u0111i\u1ec3m c\u1ee7a kh\u1edbp c\u1eafn l\u00fd t\u01b0\u1edfng &#8211; m\u1ed9t ti\u00eau chu\u1ea9n &#8220;v\u00e0ng&#8221; m\u00e0 c\u00e1c Nha s\u0129 ch\u1ec9nh r\u0103ng l\u00e2m s\u00e0ng lu\u00f4n lu\u00f4n mong mu\u1ed1n h\u01b0\u1edbng \u0111\u1ebfn. C\u00f9ng t\u00ecm hi\u1ec3u k\u1ef9 h\u01a1n v\u1ec1 ch\u1ee7 \u0111\u1ec1 n\u00e0y.\u00a0 1. \u0110\u1ecbnh ngh\u0129a v\u1ec1 kh\u1edbp c\u1eafn l\u00fd t\u01b0\u1edfng Kh\u1edbp c\u1eafn [&hellip;]<\/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":"<!-- This site is optimized with the Yoast SEO plugin v20.4 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>\u0110\u1ecbnh ngh\u0129a v\u00e0 \u0111\u1eb7c \u0111i\u1ec3m c\u1ee7a kh\u1edbp c\u1eafn l\u00fd t\u01b0\u1edfng. - Vinmec<\/title>\n<meta name=\"description\" content=\"B\u00e0i vi\u1ebft v\u00ea \u0111\u1ecbnh ngh\u0129a, \u0111\u1eb7c \u0111i\u1ec3m kh\u1edbp c\u1eafn l\u00fd t\u01b0\u1edfng. 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