{"id":22414,"date":"2023-04-18T07:30:54","date_gmt":"2023-04-18T00:30:54","guid":{"rendered":"http:\/\/noithathoaphat.in\/ctv\/?p=22414"},"modified":"2023-05-02T11:58:57","modified_gmt":"2023-05-02T04:58:57","slug":"co-che-ton-thuong-than-rang-co-ban-do-khop-can","status":"publish","type":"post","link":"http:\/\/noithathoaphat.in\/ctv\/index.php\/2023\/04\/18\/co-che-ton-thuong-than-rang-co-ban-do-khop-can\/","title":{"rendered":"C\u01a1 ch\u1ebf t\u1ed5n th\u01b0\u01a1ng th\u00e2n r\u0103ng c\u01a1 b\u1ea3n do kh\u1edbp c\u1eafn."},"content":{"rendered":"<p><strong>B\u00e0i vi\u1ebft n\u00e0y cung c\u1ea5p cho Nha s\u0129 m\u1ed9t c\u00e1i nh\u00ecn t\u1ed5ng quan v\u1ec1 d\u1ea5u hi\u1ec7n v\u00e0 tri\u1ec7u ch\u1ee9ng b\u1ec7nh li\u00ean quan \u0111\u1ebfn kh\u1edbp c\u1eafn, \u0111\u1ed3ng th\u1eddi v\u1edbi \u0111\u00f3 n\u00eau l\u00ean c\u00e1c c\u01a1 ch\u1ebf g\u00e2y t\u1ed5n th\u01b0\u01a1ng th\u00e2n r\u0103ng c\u01a1 b\u1ea3n do b\u1ec7nh l\u00fd kh\u1edbp c\u1eafn &#8211; l\u00e0 s\u1ef1 bi\u1ebfn d\u1ea1ng ho\u1eb7c x\u00e1o tr\u1ed9n ch\u1ee9c n\u0103ng c\u1ee7a b\u1ea5t c\u1ee9 c\u1ea5u tr\u00fac n\u00e0o b\u00ean trong h\u1ec7 th\u1ed1ng nhai- c\u00e1i m\u00e0 \u1edf tr\u1ea1ng th\u00e1i c\u00e2n b\u1eb1ng c\u00f3 m\u1ed1i quan h\u1ec7 h\u00e0i h\u00f2a gi\u1eefa TMJs, h\u1ec7 th\u1ed1ng c\u01a1 nhai v\u00e0 m\u1eb7t nhai c\u1ee7a r\u0103ng g\u00e2y n\u00ean. C\u00f9ng t\u00ecm hi\u1ec3u.<\/strong><\/p>\n<figure id=\"attachment_22428\" aria-describedby=\"caption-attachment-22428\" style=\"width: 273px\" class=\"wp-caption alignnone\"><img decoding=\"async\" loading=\"lazy\" class=\"wp-image-22428 size-medium\" src=\"http:\/\/noithathoaphat.in\/ctv\/wp-content\/uploads\/2023\/04\/nieng-rang-lech-khop-can-273x300.jpg\" alt=\"ton-thuong-than-rang\" width=\"273\" height=\"300\" srcset=\"http:\/\/noithathoaphat.in\/ctv\/wp-content\/uploads\/2023\/04\/nieng-rang-lech-khop-can-273x300.jpg 273w, http:\/\/noithathoaphat.in\/ctv\/wp-content\/uploads\/2023\/04\/nieng-rang-lech-khop-can.jpg 628w\" sizes=\"(max-width: 273px) 100vw, 273px\" \/><figcaption id=\"caption-attachment-22428\" class=\"wp-caption-text\">B\u1ec7nh l\u00fd kh\u1edbp c\u1eafn g\u00e2y ra t\u1ed5n th\u01b0\u01a1ng th\u00e2n r\u0103ng<\/figcaption><\/figure>\n<h2>1. D\u1ea5u hi\u1ec7u v\u00e0 tri\u1ec7u ch\u1ee9ng b\u1ec7nh li\u00ean quan \u0111\u1ebfn kh\u1edbp c\u1eafn<\/h2>\n<p>Th\u1eadt kh\u00f3 hi\u1ec3u khi h\u1ea7u h\u1ebft c\u00e1c bi\u1ec3u hi\u1ec7n c\u1ee7a t\u1ed5n th\u01b0\u01a1ng th\u00e2n r\u0103ng h\u00e0ng ng\u00e0y b\u1ecb l\u1edd \u0111i, c\u1ea3 \u1edf trong th\u1ef1c h\u00e0nh l\u00e2m s\u00e0ng v\u00e0 ch\u01b0\u01a1ng tr\u00ecnh gi\u1ea3ng d\u1ea1y nha khoa. S\u1ebd c\u00f2n kh\u00f3 hi\u1ec3u h\u01a1n n\u1ebfu nh\u1eadn ra d\u1ea5u hi\u1ec7u c\u1ee7a b\u1ec7nh kh\u1edbp c\u1eafn qu\u00e1 d\u1ec5 \u1edf giai \u0111o\u1ea1n s\u1edbm, khi s\u1ef1 ti\u1ebfn tri\u1ec3n t\u1ed5n th\u01b0\u01a1ng c\u00f3 th\u1ec3 ng\u0103n ch\u1eb7n \u0111\u01b0\u1ee3c. Tri\u1ec7u ch\u1ee9ng c\u1ee7a b\u1ec7nh kh\u1edbp c\u1eafn c\u00f3 th\u1ec3 kh\u00f4ng r\u00f5 r\u00e0ng, nh\u01b0ng v\u1edbi m\u1ed9t ng\u01b0\u1eddi ch\u1ea9n \u0111o\u00e1n gi\u1ecfi, c\u1ea3 tri\u1ec7u ch\u1ee9ng v\u00e0 d\u1ea5u hi\u1ec7u s\u1ebd \u0111\u01b0\u1ee3c nh\u1eadn th\u1ea5y v\u00e0 \u0111\u00e1p \u1ee9ng t\u1ed1t v\u1edbi \u0111i\u1ec1u tr\u1ecb. N\u1ebfu \u0111i\u1ec1u tr\u1ecb kh\u00f4ng b\u1ecb tr\u00ec ho\u00e3n cho t\u1edbi khi t\u1ed5n th\u01b0\u01a1ng tr\u1ea7m tr\u1ecdng, s\u1ef1 ph\u1ee9c t\u1ea1p v\u00e0 chi ph\u00ed \u0111i\u1ec1u tr\u1ecb c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c gi\u1ea3m \u0111\u00e1ng k\u1ec3. S\u1ef1 ch\u00fa \u00fd t\u1edbi v\u1ea5n \u0111\u1ec1 kh\u1edbp c\u1eafn s\u1ebd \u0111\u01b0\u1ee3c n\u00e2ng cao h\u01a1n nhi\u1ec1u n\u1ebfu nh\u1eefng quan s\u00e1t sau \u0111\u01b0\u1ee3c ch\u00fa \u00fd v\u00e0 ph\u00e2n t\u00edch.<\/p>\n<p><strong>B\u1ec7nh kh\u1edbp c\u1eafn l\u00e0:<\/strong><\/p>\n<ul>\n<li>S\u1ef1 ph\u00e1 h\u1ee7y r\u0103ng th\u01b0\u1eddng g\u1eb7p nh\u1ea5t.<\/li>\n<li>L\u00ed do s\u1ed1 m\u1ed9t ph\u1ea3i ph\u1ee5c h\u1ed3i r\u0103ng trong nha khoa.<\/li>\n<li>Y\u1ebfu t\u1ed1 s\u1ed1 m\u1ed9t li\u00ean quan t\u1edbi s\u1ef1 kh\u00f4ng tho\u1ea3i m\u00e1i c\u1ee7a h\u1ec7 th\u1ed1ng nhai, bao g\u1ed3m \u0111au, kh\u00f4ng tho\u1ea3i m\u00e1i c\u1ee7a h\u1ec7 th\u1ed1ng c\u01a1, r\u0103ng v\u00e0 v\u00f9ng kh\u1edbp th\u00e1i d\u01b0\u01a1ng h\u00e0m.<\/li>\n<li>Y\u1ebfu t\u1ed1 s\u1ed1 m\u1ed9t g\u00e2y m\u1ea5t \u1ed5n \u0111\u1ecbnh trong ch\u1ec9nh nha.<\/li>\n<li>L\u00fd do s\u1ed1 m\u1ed9t c\u1ee7a \u0111au v\u00e0 nh\u1ea1y c\u1ea3m r\u0103ng<\/li>\n<li>Ch\u1ea9n \u0111o\u00e1n sai ph\u1ed5 bi\u1ebfn nh\u1ea5t d\u1eabn t\u1edbi \u0111i\u1ec1u tr\u1ecb n\u1ed9i nha kh\u00f4ng c\u1ea7n thi\u1ebft.<\/li>\n<li>\u0110\u1ee9ng h\u00e0ng \u0111\u1ea7u trong c\u00e1c r\u1ed1i lo\u1ea1n v\u1ec1 r\u0103ng m\u00e0 kh\u00f4ng th\u1ec3 ch\u1ea9n \u0111o\u00e1n \u0111\u01b0\u1ee3c cho t\u1edbi khi t\u1ed5n th\u01b0\u01a1ng tr\u1ea7m tr\u1ecdng x\u1ea3y ra r\u00f5 r\u00e0ng.<\/li>\n<\/ul>\n<p>C\u00e1c quan s\u00e1t \u1edf tr\u00ean ch\u01b0a \u0111\u01b0\u1ee3c x\u00e1c nh\u1eadn d\u1ef1a tr\u00ean b\u1eb1ng ch\u1ee9ng, nh\u01b0ng ch\u00fang l\u00e0 t\u1ed5ng h\u1ee3p nhi\u1ec1u n\u0103m quan s\u00e1t tr\u00ean h\u00e0ng ngh\u00ecn b\u1ec7nh nh\u00e2n. Ch\u00fa \u00fd t\u1edbi b\u1ec7nh nha chu v\u00e0 ki\u1ec3m so\u00e1t s\u00e2u r\u0103ng \u0111\u00e3 tr\u1edf n\u00ean ph\u1ed5 bi\u1ebfn v\u1edbi h\u1ea7u h\u1ebft c\u00e1c nh\u00e0 th\u1ef1c h\u00e0nh nha khoa nh\u01b0ng \u0111\u00e1nh gi\u00e1 b\u1ec7nh kh\u1edbp c\u1eafn v\u1eabn ch\u01b0a to\u00e0n di\u1ec7n trong th\u0103m kh\u00e1m.<\/p>\n<p>Lytle l\u00e0 ng\u01b0\u1eddi \u0111\u1ea7u ti\u00ean \u0111\u01b0a ra thu\u1eadt ng\u1eef b\u1ec7nh kh\u1edbp c\u1eafn. \u1ede th\u1eddi \u0111i\u1ec3m \u0111\u00f3, \u00f4ng \u0111\u1ecbnh ngh\u0129a n\u00f3 nh\u01b0 l\u00e0 \u201cti\u1ebfn tri\u1ec3n \u0111\u01b0a t\u1edbi s\u1ef1 m\u1ea5t ho\u1eb7c ph\u00e1 h\u1ee7y b\u1ec1 m\u1eb7t nhai c\u1ee7a r\u0103ng m\u1ed9t c\u00e1ch \u0111\u00e1ng k\u1ec3\u201d. \u00d4ng x\u00e1c \u0111\u1ecbnh b\u1ec7nh l\u00e0 ch\u00ednh nh\u01b0ng kh\u00f4ng c\u1ea7n thi\u1ebft ph\u1ea3i d\u1ef1 \u0111o\u00e1n tr\u01b0\u1edbc nh\u01b0 nghi\u1ebfn r\u0103ng hay c\u00e1c th\u00f3i quen c\u1eadn ch\u1ee9c n\u0103ng.<\/p>\n<p>Abrahasen \u0111\u00e3 cho ch\u00fang ta hi\u1ec3u th\u00eam v\u1ec1 b\u1ec7nh kh\u1edbp c\u1eafn b\u1eb1ng c\u00e1ch \u0111\u01b0a ra c\u00e1c nguy\u00ean nh\u00e2n kh\u00e1c nhau c\u1ee7a s\u1ef1 ph\u00e1 h\u1ee7y c\u1ea5u tr\u00fac r\u0103ng v\u00e0 \u00f4ng ch\u1ec9 ra \u0111\u1eb7c \u0111i\u1ec3m \u0111\u1eb7c tr\u01b0ng c\u1ee7a b\u1ec7nh do m\u1ed7i nguy\u00ean nh\u00e2n kh\u00e1c nhau. \u00d4ng kh\u00f4ng thu nh\u1ecf vai tr\u00f2 c\u1ee7a nghi\u1ebfn r\u0103ng hay th\u00f3i quen c\u1eadn ch\u1ee9c n\u0103ng. \u00d4ng c\u0169ng ch\u1ec9 ra c\u00e1ch th\u1ee9c m\u00e0 c\u01a1 ch\u1ebf c\u01a1 h\u1ecdc v\u00e0 h\u00f3a h\u1ecdc c\u00f9ng v\u1edbi s\u1ef1 qu\u00e1 t\u1ea3i l\u1ef1c l\u00e0m t\u1ed5n th\u01b0\u01a1ng th\u00e2n r\u0103ng.<\/p>\n<h2>2. C\u01a1 ch\u1ebf t\u1ed5n th\u01b0\u01a1ng th\u00e2n r\u0103ng do kh\u1edbp c\u1eafn<\/h2>\n<p><strong>The nh\u01b0 Grippo, r\u0103ng b\u1ecb ph\u00e1 h\u1ee7y c\u1ea5u tr\u00fac l\u00e0 do h\u1eadu qu\u1ea3 c\u1ee7a 3 c\u01a1 ch\u1ebf: v\u1eadt l\u00fd, h\u00f3a h\u1ecdc ho\u1eb7c ph\u1ed1i h\u1ee3p l\u00fd &#8211; h\u00f3a g\u00e2y ra:<\/strong><\/p>\n<p>1. \u00c1p l\u1ef1c g\u00e2y ra n\u00e9n, u\u1ed1n v\u00e0 c\u0103ng. N\u00f3 c\u00f3 th\u1ec3 t\u1ea1o ra vi n\u1ee9t v\u00e0 bi\u1ec3u hi\u1ec7n l\u00e0 m\u00e0i m\u00f2n r\u0103ng.<\/p>\n<p>2. S\u1ef1 ma s\u00e1t bao g\u1ed3m m\u00e0i m\u00f2n do v\u1eadt ngo\u1ea1i sinh v\u00e0 m\u00f2n r\u0103ng &#8211; r\u0103ng do nh\u00e2n t\u1ed1 n\u1ed9i sinh &#8211; k\u1ebft qu\u1ea3 t\u1eeb nghi\u1ebfn r\u0103ng v\u00e0 c\u1eadn ch\u1ee9c n\u0103ng. H\u1eadu qu\u1ea3 cu\u1ed1i c\u00f9ng c\u1ee7a 2 lo\u1ea1i n\u00e0y \u0111\u1ec1u l\u00e0 ph\u00e1 h\u1ee7y c\u1ea5u tr\u00fac r\u0103ng.<\/p>\n<p>3. X\u00f3i m\u00f2n l\u00e0 k\u1ebft qu\u1ea3 c\u1ee7a bi\u1ebfn \u0111\u1ed5i h\u00f3a h\u1ecdc, \u0111i\u1ec7n h\u00f3a.<\/p>\n<p>Ba c\u01a1 ch\u1ebf c\u01a1 b\u1ea3n tr\u00ean th\u01b0\u1eddng ch\u1ed3ng ch\u00e9o l\u00ean nhau v\u00e0 t\u00e1c \u0111\u1ed9ng l\u1eabn nhau \u0111\u1ec3 l\u00e0m t\u0103ng ph\u00e1 h\u1ee7y c\u1ea5u tr\u00fac c\u1ee7a r\u0103ng. Do \u0111\u00f3 s\u1ef1 ph\u00e1 h\u1ee7y c\u1ea5u tr\u00fac r\u0103ng ph\u1ea3i \u0111\u01b0\u1ee3c c\u00e2n nh\u1eafc nh\u01b0 l\u00e0 \u0111a nguy\u00ean nh\u00e2n. N\u1ebfu b\u1ec7nh c\u00f3 m\u1eb7t th\u00ec s\u1ef1 qu\u00e1 t\u1ea3i v\u1ec1 kh\u1edbp c\u1eafn lu\u00f4n lu\u00f4n l\u00e0 y\u1ebfu t\u1ed1 ch\u1ee7 \u0111\u1ea1o c\u1ea7n \u0111\u01b0\u1ee3c ch\u00fa \u00fd khi l\u00ean k\u1ebf ho\u1ea1ch \u0111i\u1ec1u tr\u1ecb cho c\u00e1c tr\u01b0\u1eddng h\u1ee3p m\u1ea5t c\u1ea5u tr\u00fac r\u0103ng nghi\u00eam tr\u1ecdng.<\/p>\n<p><strong>L\u00e0m r\u00f5 c\u00e1c thu\u1eadt ng\u1eef<\/strong><\/p>\n<p>C\u00e1c nghi\u00ean c\u1ee9u c\u1ed5 \u0111i\u1ec3n c\u1ee7a Grippo, Simring v\u00e0 Schreiner n\u00ean \u0111\u01b0\u1ee3c ph\u00e2n t\u00edch chi ti\u1ebft. Ch\u00fang l\u00e0 nh\u1eefng nghi\u00ean c\u1ee9u v\u1ec1 c\u00e1c nguy\u00ean nh\u00e2n kh\u00e1c nhau g\u00e2y ph\u00e1 h\u1ee7y c\u1ea5u tr\u00fac r\u0103ng v\u00e0 bao g\u1ed3m r\u1ea5t nhi\u1ec1u thu\u1eadt ng\u1eef. Tuy nhi\u00ean \u1edf th\u1eddi \u0111i\u1ec3m \u0111\u00f3 c\u00f3 r\u1ea5t nhi\u1ec1u kh\u00e1i ni\u1ec7m b\u1ea5t \u0111\u1ed3ng, c\u1ea7n \u0111\u01b0\u1ee3c \u0111\u00e1nh gi\u00e1 k\u0129. N\u1ed7 l\u1ef1c r\u1ea5t l\u1edbn c\u1ee7a Abrahamsen trong vi\u1ec7c l\u00e0m r\u00f5 c\u00e1c kh\u00e1i ni\u1ec7m li\u00ean quan \u0111\u1ebfn ph\u00e1 h\u1ee7y c\u1ea5u tr\u00fac r\u0103ng d\u1ef1a tr\u00ean k\u1ebft h\u1ee3p k\u1ebft qu\u1ea3 c\u1ee7a nhi\u1ec1u case l\u00e2m s\u00e0ng v\u00e0 \u0111\u01b0a ra v\u00e0i \u0111i\u1ec3m kh\u00e1c trong thu\u1eadt ng\u1eef, c\u0169ng nh\u01b0 nguy\u00ean nh\u00e2n v\u00e0 h\u1eadu qu\u1ea3. T\u1eeb quan \u0111i\u1ec3m c\u1ee7a t\u00f4i, t\u00f4i kh\u00f4ng c\u00f3 l\u00fd do \u0111\u1ec3 ch\u1eafc ch\u1eafn. (x\u01b0ng t\u00f4i trong c\u00e1c b\u00e0i v\u1ec1 ki\u1ebfn th\u1ee9c y khoa t\u1ed5ng qu\u00e1t n\u00e0y kh\u00f4ng h\u1ee3p l\u00ed l\u1eafm) V\u1ea5n \u0111\u1ec1 tranh c\u00e3i n\u00e0y s\u1ebd ti\u1ebfp t\u1ee5c trong th\u1eddi gian d\u00e0i v\u00e0 c\u1ea7n nh\u1eefng ph\u00e2n t\u00edch, nghi\u00ean c\u1ee9u quan tr\u1ecdng. Tuy nhi\u00ean kh\u00f4ng c\u00f3 s\u1ef1 b\u1ea5t \u0111\u1ed3ng n\u00e0o trong v\u1ea5n \u0111\u1ec1 thu\u1eadt ng\u1eef hay nguy\u00ean nh\u00e2n d\u1eabn t\u1edbi t\u1ea7m quan tr\u1ecdng c\u1ee7a vi\u1ec7c ph\u00e1t hi\u1ec7n v\u00e0 \u0111i\u1ec1u tr\u1ecb c\u00e1c t\u1ed5n th\u01b0\u01a1ng ph\u00e1 h\u1ee7y c\u1ea5u tr\u00fac r\u0103ng.<\/p>\n<p><strong>M\u00f2n r\u0103ng &#8211; r\u0103ng<\/strong><\/p>\n<p>M\u00f2n r\u0103ng-r\u0103ng l\u00e0 do ti\u1ebfp x\u00fac gi\u1eefa c\u00e1c r\u0103ng. Lo\u1ea1i m\u00f2n r\u0103ng n\u00e0y th\u01b0\u1eddng do nghi\u1ebfn r\u0103ng v\u00e0 c\u00e1c th\u00f3i quen c\u1eadn ch\u1ee9c n\u0103ng. Men r\u0103ng l\u00e0 c\u1ea5u tr\u00fac c\u1ee9ng nh\u1ea5t trong c\u01a1 th\u1ec3. Khi m\u00f2n t\u1edbi ng\u00e0 r\u0103ng th\u00ec qu\u00e1 tr\u00ecnh m\u00f2n r\u0103ng s\u1ebd nhanh h\u01a1n.<\/p>\n<p><strong>M\u00e0i m\u00f2n r\u0103ng<\/strong><\/p>\n<p>M\u00e0i m\u00f2n r\u0103ng l\u00e0 do ti\u1ebfp x\u00fac gi\u1eefa r\u0103ng v\u00e0 t\u00e1c nh\u00e2n ngo\u1ea1i lai. Lo\u1ea1i n\u00e0y th\u01b0\u1eddng do \u0103n c\u00e1c th\u1ee9c \u0103n c\u1ee9ng hay th\u00f3i quen nhai thu\u1ed1c l\u00e1. N\u00f3 c\u0169ng c\u00f3 th\u1ec3 do s\u1eed d\u1ee5ng b\u00e0n ch\u1ea3i kh\u00f4ng ph\u00f9 h\u1ee3p hay d\u00f9ng t\u0103m, ch\u1ec9 t\u01a1 kh\u00f4ng \u0111\u00fang c\u00e1ch, do c\u1eafn b\u00fat hay v\u1eadt ngo\u1ea1i lai kh\u00e1c&#8230;.<\/p>\n<p><strong>M\u00f2n h\u00f3a h\u1ecdc<\/strong><\/p>\n<p>M\u00f2n h\u00f3a h\u1ecdc l\u00e0 m\u1ea5t c\u1ea5u tr\u00fac r\u0103ng do t\u00e1c nh\u00e2n h\u00f3a h\u1ecdc v\u00e0 \u0111i\u1ec7n h\u00f3a. C\u00f3 th\u1ec3 l\u00e0 t\u00e1c nh\u00e2n n\u1ed9i sinh hay ngo\u1ea1i sinh, tuy nhi\u00ean kh\u00f4ng li\u00ean quan \u0111\u1ebfn c\u00e1c ch\u1ea5t h\u00f3a h\u1ecdc do ho\u1ea1t \u0111\u1ed9ng c\u1ee7a vi khu\u1ea9n. Grippo v\u00e0 Smiring gi\u1ea3i th\u00edch c\u00e1ch d\u00f9ng c\u1ee7a c\u00e1c thu\u1eadt ng\u1eef n\u00e0y. H\u1ecd cho r\u1eb1ng m\u00f2n h\u00f3a h\u1ecdc li\u00ean quan \u0111\u1ebfn m\u1ea5t c\u1ea5u tr\u00fac do ho\u1ea1t \u0111\u1ed9ng c\u1ee7a c\u00e1c d\u1ecbch, nh\u01b0 c\u00e1c ch\u1ea5t g\u00e2y m\u00f2n trong n\u01b0\u1edbc v\u00e0 kh\u00f4ng c\u00f3 c\u01a1 ch\u1ebf nh\u01b0 th\u1ebf trong mi\u1ec7ng. V\u00ec v\u1eady, n\u00f3 l\u00e0 thu\u1eadt ng\u1eef kh\u00f4ng th\u00edch h\u1ee3p v\u00e0 t\u1eeb erosion n\u00ean \u0111\u01b0\u1ee3c lo\u1ea1i kh\u1ecfi y v\u0103n nha khoa. Abrahasen v\u00e0 nh\u1eefng ng\u01b0\u1eddi b\u00e1c b\u1ecf kh\u00e1c \u0111\u00e3 d\u1eabn ra quan \u0111i\u1ec3m c\u1ee7a Webster l\u00e0 x\u00e1c \u0111\u1ecbnh erosion l\u00e0 \u201cm\u00f2n r\u0103ng nh\u01b0 acid \u0103n m\u00f2n kim lo\u1ea1i\u201d. T\u1eeb \u0111i\u1ec3n y khoa Gould \u0111\u1ecbnh ngh\u0129a erosion l\u00e0 \u201cs\u1ef1 ph\u00e1 h\u1ee7y b\u1ec1 m\u1eb7t r\u0103ng &#8211; t\u1ed5n th\u01b0\u01a1ng th\u00e2n r\u0103ng do vi\u00eam ho\u1eb7c ch\u1ea5n th\u01b0\u01a1ng\u201d. Gould c\u0169ng mi\u00eau t\u1ea3 erosion nh\u01b0 l\u00e0 \u201cm\u1ea5t b\u1ec1 m\u1eb7t r\u0103ng do qu\u00e1 tr\u00ecnh h\u00f3a h\u1ecdc\u201d. M\u00f2n h\u00f3a h\u1ecdc \u0111\u01b0\u1ee3c ph\u00e2n bi\u1ec7t ri\u00eang r\u1ebd v\u1edbi s\u1ef1 m\u1ea5t c\u1ea5u tr\u00fac do ho\u1ea1t \u0111\u1ed9ng c\u1ee7a vi khu\u1ea9n.<\/p>\n<ol>\n<li><em><span style=\"text-decoration: underline;\">M\u00f2n h\u00f3a h\u1ecdc n\u1ed9i sinh:<\/span><\/em> M\u00f2n h\u00f3a h\u1ecdc n\u1ed9i sinh: nguy\u00ean nh\u00e2n t\u1eeb ch\u1ee9ng h\u00e1u \u0103n \u0111\u01b0\u1ee3c nh\u1eadn bi\u1ebft v\u00e0 mi\u00eau t\u1ea3 l\u00e0 m\u1ea5t b\u1ec1 m\u1eb7t men \u1edf m\u1eb7t trong c\u00e1c r\u0103ng tr\u01b0\u1edbc h\u00e0m tr\u00ean do qu\u00e1 tr\u00ecnh n\u00f4n.<\/li>\n<li><em><span style=\"text-decoration: underline;\">B\u1ec7nh tr\u00e0o ng\u01b0\u1ee3c d\u1ea1 d\u00e0y th\u1ef1c qu\u1ea3n:<\/span><\/em> T\u1ea1o ra t\u00ecnh tr\u1ea1ng s\u1ea3n xu\u1ea5t acid HCl v\u00e0 enzym ph\u00e2n gi\u1ea3i protein pepsin \u1edf trong d\u1ecbch d\u1ea1 d\u00e0y. M\u00f2n c\u00f3 th\u1ec3 x\u1ea3y ra \u1edf b\u1ea5t c\u1ee9 v\u00f9ng n\u00e0o. M\u00f2n \u1edf m\u1eb7t trong r\u0103ng h\u00e0m. Th\u01b0\u1eddng li\u00ean quan \u0111\u1ebfn b\u1ec7nh d\u1ea1 d\u00e0y ru\u1ed9t.<\/li>\n<li><em><span style=\"text-decoration: underline;\">D\u1ecbch r\u00e3nh l\u1ee3i:<\/span><\/em> D\u1ecbch c\u00f3 pH acid v\u00e0 g\u00e2y m\u00f2n k\u1ebft h\u1ee3p v\u1edbi t\u1ed5n th\u01b0\u01a1ng \u1edf c\u1ed5 r\u0103ng kh\u00f4ng do s\u00e2u.<\/li>\n<li><em><span style=\"text-decoration: underline;\">M\u00f2n ngo\u1ea1i sinh:<\/span><\/em> b\u1ea5t c\u1ee9 th\u1ee9c \u0103n hay \u0111\u1ed3 u\u1ed1ng c\u00f3 pH&lt;5.5 \u0111\u1ebfu c\u00f3 th\u1ec3 g\u00e2y h\u1ee7y kho\u00e1ng r\u0103ng. Vi\u1ec7c t\u0103ng s\u1eed d\u1ee5ng c\u00e1c \u0111\u1ed3 u\u1ed1ng n\u00e0y d\u1eabn t\u1edbi r\u0103ng b\u1ec7nh nh\u00e2n th\u01b0\u1eddng xuy\u00ean ti\u1ebfp x\u00fac v\u1edbi acid citric. N\u01b0\u1edbc Coke hay n\u01b0\u1edbc hoa qu\u1ea3 theo Abrahamsen l\u00e0 c\u00e1c v\u00ed d\u1ee5 c\u1ed5 \u0111i\u1ec3n c\u1ee7a c\u00e1c t\u00e1c nh\u00e2n g\u00e2y m\u00f2n r\u0103ng ngo\u1ea1i sinh. C\u00e1c v\u00ed d\u1ee5 kh\u00e1c l\u00e0 nhai vi\u00ean vitamin C, aspirin v\u00e0 c\u00e1c thu\u1ed1c acid kh\u00e1c.<\/li>\n<\/ol>\n<p><strong>Ti\u00eau c\u1ed5 r\u0103ng<\/strong><\/p>\n<p>Vai tr\u00f2 c\u1ee7a qu\u00e1 t\u1ea3i l\u1ef1c tr\u00ean t\u1ed5n th\u01b0\u01a1ng \u1edf c\u1ed5 r\u0103ng kh\u00f4ng do s\u00e2u l\u00e0 kh\u00f4ng ph\u1ea3i b\u00e0n c\u00e3i. Thu\u1eadt ng\u1eef \u0111\u01b0\u1ee3c Grippo g\u1ecdi l\u00e0 ti\u00eau c\u1ed5 r\u0103ng \u0111\u01b0\u1ee3c mi\u00eau t\u1ea3 \u0111\u1ea7u ti\u00ean b\u1edfi Lee v\u00e0 Eakle nh\u01b0 l\u00e0 k\u1ebft qu\u1ea3 c\u00f3 th\u1ec3 c\u1ee7a l\u1ef1c c\u0103ng t\u00e1c \u0111\u1ed9ng l\u00ean \u0111i\u1ec3m u\u1ed1n c\u1ee7a r\u0103ng ph\u1ea3i ch\u1ecbu t\u1ea3i l\u1ef1c. McCoy m\u00f4 t\u1ea3 t\u1ed5n th\u01b0\u01a1ng d\u00e2y V m\u00e0 theo \u00f4ng l\u00e0 h\u1eadu qu\u1ea3 c\u1ee7a h\u1ed9i ch\u1ee9ng n\u00e9n r\u0103ng (dental compression syndrome). Khi Grippo \u0111\u01b0a ra kh\u00e1i ni\u1ec7m ti\u00eau c\u1ed5 r\u0103ng trong c\u00e1c t\u1ed5n th\u01b0\u01a1ng \u1edf c\u1ed5 r\u0103ng kh\u00f4ng do s\u00e2u do l\u1ef1c g\u00e2y ra, n\u00f3 \u0111\u01b0\u1ee3c ch\u1ea5p nh\u1eadn l\u00e0 d\u1ea1ng ph\u1ed5 bi\u1ebfn c\u1ee7a b\u1ec7nh kh\u1edbp c\u1eafn. \u0110\u00f4ng \u0111\u1ea3o c\u00e1c nh\u00e0 nghi\u00ean c\u1ee9u kh\u1eb3ng \u0111\u1ecbnh r\u1eb1ng l\u1ef1c kh\u1edbp c\u1eafn g\u00e2y n\u00ean s\u1ef1 u\u1ed1n cong c\u1ee7a r\u0103ng, l\u00e0 nguy\u00ean nh\u00e2n g\u00e2y ra c\u00e1c vi n\u1ee9t v\u00e0 m\u1ea5t c\u1ea5u tr\u00fac \u1edf v\u00f9ng c\u1ed5 r\u0103ng. Nh\u1eefng nghi\u00ean c\u1ee9u xa h\u01a1n ch\u1ec9 ra acid x\u00e2m nh\u1eadp qua c\u00e1c vi n\u1ee9t v\u00e0 l\u00e0m r\u0103ng d\u1ec5 nh\u1ea1y c\u1ea3m v\u1edbi c\u00e1c t\u00e1c nh\u00e2n h\u00f3a h\u1ecdc.<\/p>\n<p>T\u1eeb tr\u01b0\u1edbc \u0111\u1ebfn nay, theo Dzakovich ti\u00eau c\u1ed5 r\u0103ng \u0111\u01b0\u1ee3c cho l\u00e0 t\u1ed5n th\u01b0\u01a1ng h\u00ecnh ch\u00eam c\u00f3 g\u00f3c nh\u1ecdn th\u1ef1c s\u1ef1 do kem \u0111\u00e1nh r\u0103ng g\u00e2y m\u00e0i m\u00f2n. Nghi\u00ean c\u1ee9u c\u1ee7a \u00f4ng s\u1eed d\u1ee5ng b\u00e0n ch\u1ea3i m\u00e1y \u0111\u1ec3 ch\u1ea3i tr\u00ean r\u0103ng \u0111\u01b0\u1ee3c nh\u1ed5 v\u00e0 ch\u1ec9 ra r\u1eb1ng ch\u1ea3i r\u0103ng kh\u00f4ng c\u00f3 kem \u0111\u00e1nh r\u0103ng th\u00ec kh\u00f4ng g\u00e2y ra v\u1ea5n \u0111\u1ec1. Th\u00eam kem \u0111\u00e1nh r\u0103ng th\u00ec g\u00e2y t\u1ed5n th\u01b0\u01a1ng s\u00e2u v\u1edbi g\u00f3c nh\u1ecdn. Lo\u1ea1i kem \u0111\u00e1nh r\u0103ng th\u00ec \u00edt c\u00f3 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn ki\u1ec3u m\u00f2n. \u1ede b\u00e0i vi\u1ebft n\u00e0y, h\u1ea7u h\u1ebft kem \u0111\u00e1nh r\u0103ng \u0111\u1ec1u g\u00e2y m\u00e0i m\u00f2n, ki\u1ec3u v\u00e0 m\u1ee9c \u0111\u1ed9 m\u00f2n do ch\u1ea3i r\u0103ng t\u1ea1o ra nhi\u1ec1u h\u00ecnh th\u00e1i t\u1ed5n th\u01b0\u01a1ng kh\u00e1c nhau.<\/p>\n<p>Th\u1eadt th\u00fa v\u1ecb l\u00e0 Miller c\u0169ng mi\u00eau t\u1ea3 ki\u1ec3u m\u00f2n r\u0103ng t\u01b0\u01a1ng t\u1ef1 do kem \u0111\u00e1nh r\u0103ng v\u00e0 b\u1ed9t theo m\u1ed9t chu\u1ed7i 3 ph\u1ea7n v\u00e0o n\u0103m 1907. Nh\u1eefng hi\u1ec3u bi\u1ebft c\u1ee7a Miller v\u1ec1 m\u1ea5t t\u1ed5 ch\u1ee9c r\u0103ng do c\u00e1c nguy\u00ean nh\u00e2n kh\u00e1c nhau c\u00f3 gi\u00e1 tr\u1ecb \u0111\u1ebfn ng\u00e0y nay \u0111\u00e3 t\u1eeb n\u0103m 1907. L\u1eb7p l\u1ea1i nghi\u00ean c\u1ee9u ch\u1ea3i r\u0103ng c\u1ee7a Miller, Dzakovich kh\u1eb3ng \u0111\u1ecbnh r\u1eb1ng nh\u1eadn \u0111\u1ecbnh ban \u0111\u1ea7u l\u00e0 \u0111\u00fang. C\u00e1i ch\u00fang ta g\u1ecdi l\u00e0 ti\u00eau c\u1ed5 r\u0103ng c\u00f3 nguy\u00ean nh\u00e2n th\u1ef1c s\u1ef1 l\u00e0 do l\u1ea1m d\u1ee5ng kem \u0111\u00e1nh r\u0103ng.<\/p>\n<p>N\u1ebfu xu\u1ea5t hi\u1ec7n m\u1ed9t th\u00e0nh ph\u1ea7n l\u00e0m qu\u00e1 t\u1ea3i l\u1ef1c nhai g\u00e2y ti\u00eau c\u1ed5 r\u0103ng th\u00ec n\u00f3 c\u1ea7n \u0111\u01b0\u1ee3c ch\u1ee9ng nh\u1eadn b\u1edfi c\u00e1c b\u1eb1ng ch\u1ee9ng khoa h\u1ecdc tin c\u1eady. N\u1ebfu n\u00f3 xu\u1ea5t hi\u1ec7n th\u00ec l\u1ef1c nhai n\u00e0y c\u00f3 th\u1ec3 l\u00e0m u\u1ed1n v\u00e0 xoay r\u0103ng. N\u1ebfu c\u00f3 th\u00eam c\u00e1c y\u1ebfu t\u1ed1 ph\u1ed1i h\u1ee3p g\u00e2y ra c\u00e1c t\u1ed5n th\u01b0\u01a1ng r\u0103ng kh\u00f4ng do s\u00e2u th\u00ec c\u1ea7n nhi\u1ec1u b\u1eb1ng ch\u1ee9ng h\u01a1n. Cho \u0111\u1ebfn khi \u0111i\u1ec1u n\u00e0y \u0111\u01b0\u1ee3c ch\u1ee9ng th\u1ef1c th\u00ec ch\u1eafc ch\u1eafn r\u1eb1ng t\u1ed5n th\u01b0\u01a1ng c\u1ed5 r\u0103ng s\u00e2u v\u00e0 g\u00f3c c\u1ea1nh c\u00f3 th\u1ec3 l\u00e0 m\u00e0i m\u00f2n do b\u00e0n ch\u1ea3i.<\/p>\n<p>Ph\u1ea3i th\u1eeba nh\u1eadn r\u1eb1ng, th\u1eadt kh\u00f3 \u0111\u1ec3 lo\u1ea1i b\u1ecf kh\u00e1i ni\u1ec7m r\u1ea5t logic v\u00e0 \u0111\u01b0\u1ee3c ch\u1ea5p nh\u1eadn \u1edf trong nhi\u1ec1u thu\u1eadt ng\u1eef nha khoa, bao g\u1ed3m Glossary of Prosthodontic Terms. C\u00f3 r\u1ea5t nhi\u1ec1u l\u00ed do \u0111\u1ec3 nghi ng\u1edd r\u0103ng ti\u00eau c\u1ed5 r\u0103ng l\u00e0 k\u1ebft qu\u1ea3 c\u1ee7a qu\u00e1 t\u1ea3i l\u1ef1c. Trong khi c\u00e1c nghi\u00ean c\u1ee9u d\u01b0\u1eddng nh\u01b0 v\u1eabn c\u00f2n tranh c\u00e3i th\u00ec t\u1ed1t nh\u1ea5t n\u00ean suy ngh\u0129 r\u1ed9ng ra khi kh\u00e1m. Trong b\u00e0i vi\u1ebft n\u00e0y, n\u1ebfu c\u00f3 d\u1ea5u hi\u1ec7u c\u1ee7a t\u1ed5n th\u01b0\u01a1ng \u1edf c\u1ed5 s\u00e2u (kh\u00f4ng do s\u00e2u) m\u00e0 c\u00f3 nhi\u1ec1u d\u1ea5u hi\u1ec7u v\u00e0 tri\u1ec7u ch\u1ee9ng th\u00ec ngh\u0129 nhi\u1ec1u \u0111\u1ebfn qu\u00e1 t\u1ea3i l\u1ef1c v\u00e0 kh\u1edbp c\u1eafn.<\/p>\n<p>K\u00ecm h\u00e3m b\u1ec7nh kh\u1edbp c\u1eafn \u0111\u1ec3 gi\u1ea3m t\u1ed5n th\u01b0\u01a1ng th\u00e2n r\u0103ng th\u00ec l\u00e0m gi\u1ea3m \u0111\u00e1ng k\u1ec3 t\u00ecnh tr\u1ea1ng qu\u00e1 t\u1ea3i l\u1ef1c. B\u00e1c s\u0129 R.R (Pete) Roach, ch\u1ee9ng minh r\u1eb1ng ph\u1ea7n l\u1edbn tr\u01b0\u1eddng h\u1ee3p \u0111\u01b0\u1ee3c nh\u00ecn th\u1ea5y tr\u00ean k\u00ednh hi\u1ec3n vi ch\u1ec9 ra h\u00ecnh d\u1ea1ng c\u1ee7a t\u1ed5n th\u01b0\u01a1ng s\u00e2u r\u0103ng tr\u00f9ng v\u1edbi c\u00e1c v\u1ebft n\u1ee9t d\u1ecdc \u1edf trung t\u00e2m m\u1eb7t b\u00ean c\u1ee7a r\u0103ng. Nh\u1eefng v\u1ebft n\u1ee9t n\u00e0y gi\u1ed1ng nhau \u1edf r\u0103ng sau b\u1ecb m\u00f2n \u1edf c\u00e1c n\u00fam nghi\u00eang trong khi c\u00f3 c\u1ea3n tr\u1edf c\u1eafn \u0111\u01b0a h\u00e0m sang b\u00ean ho\u1eb7c c\u00f3 \u0111i\u1ec3m ch\u1ea1m khi \u0111\u01b0a v\u1ec1 t\u01b0\u01a1ng quan t\u00e2m. S\u1ef1 th\u1ed1ng nh\u1ea5t c\u1ee7a ph\u00e1t hi\u1ec7n n\u00e0y v\u00e0 hi\u1ebfm khi x\u1ea3y ra \u1edf v\u00f9ng k\u1ebd \u1edf r\u0103ng kh\u00f4ng c\u00f3 \u00e1p l\u1ef1c c\u00f3 th\u1ec3 l\u00e0 y\u1ebfu t\u1ed1 \u0111\u1ed9ng t\u00e1c \u0111\u1ed9ng g\u00e2y n\u00ean s\u00e2u k\u1ebd \u1edf r\u0103ng sau<\/p>\n<p>K\u00edch th\u00edch v\u00e0 \u00e1p l\u1ef1c t\u1eeb qu\u00e1 t\u1ea3i kh\u1edbp c\u1eafn v\u00e0 sai h\u01b0\u1edbng l\u1ef1c kh\u00f4ng ch\u1ec9 gi\u1edbi h\u1ea1n \u1edf r\u0103ng. Nh\u01b0 \u0111\u00e3 ghi ch\u00fa \u1edf \u0111\u1ecbnh ngh\u0129a v\u1ec1 b\u1ec7nh, r\u1ed1i lo\u1ea1n c\u1ea5u tr\u00fac v\u00e0 ch\u1ee9c n\u0103ng c\u0169ng x\u1ea3y ra \u1edf c\u00e1c c\u1ea5u tr\u00fac kh\u00e1c c\u1ee7a h\u1ec7 th\u1ed1ng nhai.<\/p>\n<p>Trong \u0111\u00e1nh gi\u00e1 b\u1ec7nh kh\u1edbp c\u1eafn, vi\u1ec7c hi\u1ec3u t\u00e1c \u0111\u1ed9ng qua l\u1ea1i l\u1eabn nhau c\u1ee7a c\u00e1c th\u00e0nh ph\u1ea7n c\u1ee7a h\u1ec7 th\u1ed1ng nhai l\u00e0 r\u1ea5t quan tr\u1ecdng. B\u1ea5t c\u1ee9 b\u1ea5t h\u00e0i h\u00f2a gi\u1eefa r\u0103ng, c\u01a1 v\u00e0 kh\u1edbp th\u00e1i d\u01b0\u01a1ng h\u00e0m c\u00f3 th\u1ec3 l\u00e0 nguy\u00ean nh\u00e2n d\u1eabn t\u1edbi stress, t\u1ed5n th\u01b0\u01a1ng v\u00e0 r\u1ed1i lo\u1ea1n ch\u1ee9c n\u0103ng m\u1ed9t s\u1ed1 ho\u1eb7c t\u1ea5t c\u00e1c th\u00e0nh ph\u1ea7n trong h\u1ec7 th\u1ed1ng.<\/p>\n<p><strong>T\u1ed5ng k\u1ebft l\u1ea1i, b\u1ec7nh kh\u1edbp c\u1eafn l\u00e0 s\u1ef1 bi\u1ebfn d\u1ea1ng ho\u1eb7c x\u00e1o tr\u1ed9n ch\u1ee9c n\u0103ng c\u1ee7a b\u1ea5t c\u1ee9 c\u1ea5u tr\u00fac n\u00e0o b\u00ean trong h\u1ec7 th\u1ed1ng nhai- c\u00e1i m\u00e0 \u1edf tr\u1ea1ng th\u00e1i c\u00e2n b\u1eb1ng c\u00f3 m\u1ed1i quan h\u1ec7 h\u00e0i h\u00f2a gi\u1eefa TMJs, h\u1ec7 th\u1ed1ng c\u01a1 nhai v\u00e0 m\u1eb7t nhai c\u1ee7a r\u0103ng.<\/strong><\/p>\n<p><em>Theo:<\/em><\/p>\n<p><em>1. Lytle JD: Clinician&#8217;s index of occlusal disease: defini- tion, recognition, and management. Int J Periodontics Restorative Dent 10(2):102-123, 1990.<\/em><\/p>\n<p><em>2. Abrahamsen TC: Occlusal attrition-pathognomon- ic patterns of abrasion and erosion. Presented at the American Academy of Restorative Dentistry, Chicago, February 1992.<\/em><\/p>\n<p><em>3. Grippo JO, Simring M, Schreiner S: Attrition, abrasion, corrosion and abfraction revisited: a new perspective on tooth surface lesions. J Am Dent Assoc 135(8):1109- 1118, 2004.<\/em><\/p>\n<p><em>4. Grippo JO, Simring M: Dental &#8220;erosion&#8221; revisited. J Am Dent Assoc 126(5):619-630, 1995.<\/em><\/p>\n<p><em>5. Bodecker CF: Local acidity: a cause of dental ero- sion-abrasion. Ann Dent 4(1):50-55, 1945.<\/em><\/p>\n<p><em>6. Grippo JO: Abfractions: a new classification of hard tissue lesions of teeth. J Esthet Dent 3(1):14-19, 1991.<\/em><\/p>\n<p><em>7. Lee WC, Eakle WS: Possible role of tensile stress in the etiology of cervical erosive lesions of teeth. J Prosthet Dent 52(3):374-380,1984.<\/em><\/p>\n<p><em>8. McCoy G: On the longevity of teeth. J Oral Implantolo- gy 11(2):248-267, 1983.<\/em><\/p>\n<p><em>9. Grippo JO, Masi JV: The role of biodental engineering factors (BEF) in the etiology of root caries. J Esthet Dent 39(2):71-76,1991.<\/em><\/p>\n<p><em>10. Khan F, Young WG, Shahabi S, et al: Dental cervical lesions associated with occlusal erosion and attrition. Aust Dent J 44(3):176-186, 1999.<\/em><\/p>\n<p><em>11. Whitehead SA, Wilson NF,Watts DC: Development of noncarious cervical notch lesions in vitro. J Esthet Dent 11(6):332-337, 1999.<\/em><\/p>\n<p><em>12. Palamara D, Palamara J, Tyas MJ, et al: Effect of stress on acid dissolution of enamel. Dent Mater 17(2):109- 115, 2001.<\/em><\/p>\n<p><em>13. Abrahamsen TC: The worn dentition-pathognomonic- ic patterns of abrasion and erosion. Int Dent J (4):268- 276, 2005.<\/em><\/p>\n","protected":false},"excerpt":{"rendered":"<p>B\u00e0i vi\u1ebft n\u00e0y cung c\u1ea5p cho Nha s\u0129 m\u1ed9t c\u00e1i nh\u00ecn t\u1ed5ng quan v\u1ec1 d\u1ea5u hi\u1ec7n v\u00e0 tri\u1ec7u ch\u1ee9ng b\u1ec7nh li\u00ean quan \u0111\u1ebfn kh\u1edbp c\u1eafn, \u0111\u1ed3ng th\u1eddi v\u1edbi \u0111\u00f3 n\u00eau l\u00ean c\u00e1c c\u01a1 ch\u1ebf g\u00e2y t\u1ed5n th\u01b0\u01a1ng th\u00e2n r\u0103ng c\u01a1 b\u1ea3n do b\u1ec7nh l\u00fd kh\u1edbp c\u1eafn &#8211; l\u00e0 s\u1ef1 bi\u1ebfn d\u1ea1ng ho\u1eb7c x\u00e1o tr\u1ed9n ch\u1ee9c [&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>C\u01a1 ch\u1ebf t\u1ed5n th\u01b0\u01a1ng th\u00e2n r\u0103ng c\u01a1 b\u1ea3n do kh\u1edbp c\u1eafn. - 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