{"id":33144,"date":"2023-05-11T06:54:39","date_gmt":"2023-05-10T23:54:39","guid":{"rendered":"http:\/\/noithathoaphat.in\/ctv\/?p=33144"},"modified":"2023-05-11T21:01:28","modified_gmt":"2023-05-11T14:01:28","slug":"lay-dau-sap-can-va-thiet-lap-khop-can-trong-sai-khop-hang-ii-angle","status":"publish","type":"post","link":"http:\/\/noithathoaphat.in\/ctv\/index.php\/2023\/05\/11\/lay-dau-sap-can-va-thiet-lap-khop-can-trong-sai-khop-hang-ii-angle\/","title":{"rendered":"L\u1ea5y d\u1ea5u s\u00e1p, s\u1eed d\u1ee5ng kh\u00ed c\u1ee5 Activator thi\u1ebft l\u1eadp kh\u1edbp c\u1eafn lo\u1ea1i II."},"content":{"rendered":"<p><strong>B\u00e0i vi\u1ebft n\u00e0y \u0111\u1ec1 c\u1eadp \u0111\u1ebfn k\u1ef9 thu\u1eadt l\u1ea5y d\u1ea5u s\u00e1p c\u1eafn v\u00e0 qu\u00e1 tr\u00ecnh thi\u1ebft l\u1eadp kh\u1edbp c\u1eafn trong tr\u01b0\u1eddng h\u1ee3p sai kh\u1edbp c\u1eafn h\u1ea1ng II Angle, \u0111\u1ed3ng th\u1eddi \u0111\u1ec1 c\u1eadp nh\u1eefng l\u01b0u \u00fd c\u1ea7n quan t\u00e2m tr\u00ean l\u00e2m s\u00e0ng. C\u00f9ng t\u00ecm hi\u1ec3u k\u1ef9 h\u01a1n trong b\u00e0i vi\u1ebft d\u01b0\u1edbi \u0111\u00e2y.<\/strong><\/p>\n<h2>1. K\u1ef9 thu\u1eadt l\u1ea5y d\u1ea5u s\u00e1p c\u1eafn<\/h2>\n<ul>\n<li>Chu\u1ea9n b\u1ecb v\u00e0nh s\u00e1p c\u1eafn h\u00ecnh m\u00f3ng ng\u1ef1a c\u00f3 h\u00ecnh d\u1ea1ng v\u00e0 k\u00edch th\u01b0\u1edbc t\u01b0\u01a1ng \u1ee9ng v\u1edbi cung r\u0103ng v\u00e0 d\u00e0y h\u01a1n s\u00e1p kh\u1edbp c\u1eafn d\u1ef1 \u0111\u1ecbnh t\u1eeb 2-4mm. V\u00e0nh s\u00e1p c\u00f3 th\u1ec3 l\u00e0m cho cung r\u0103ng h\u00e0m tr\u00ean hay h\u00e0m d\u01b0\u1edbi. Trong sai kh\u1edbp c\u1eafn h\u1ea1ng II, v\u00e0nh s\u00e1p th\u01b0\u1eddng \u0111\u1eb7t l\u00ean h\u00e0m d\u01b0\u1edbi (H\u00ecnh 1). Tr\u01b0\u1eddng h\u1ee3p sai kh\u1edbp c\u1eafn h\u1ea1ng III, v\u00e0nh s\u00e1p th\u01b0\u1eddng \u0111\u01b0\u1ee3c \u0111\u1eb7t l\u00ean h\u00e0m tr\u00ean.<\/li>\n<\/ul>\n<figure id=\"attachment_33146\" aria-describedby=\"caption-attachment-33146\" style=\"width: 447px\" class=\"wp-caption alignnone\"><img decoding=\"async\" loading=\"lazy\" class=\"size-full wp-image-33146\" src=\"http:\/\/noithathoaphat.in\/ctv\/wp-content\/uploads\/2023\/05\/Untitled-114.png\" alt=\"lay-sau-sap-can-1\" width=\"447\" height=\"571\" srcset=\"http:\/\/noithathoaphat.in\/ctv\/wp-content\/uploads\/2023\/05\/Untitled-114.png 447w, http:\/\/noithathoaphat.in\/ctv\/wp-content\/uploads\/2023\/05\/Untitled-114-235x300.png 235w\" sizes=\"(max-width: 447px) 100vw, 447px\" \/><figcaption id=\"caption-attachment-33146\" class=\"wp-caption-text\">H\u00ecnh 1: V\u00e0nh s\u00e1p c\u1eafn \u0111\u1eb7t tr\u00ean m\u1eabu h\u00e0m.<\/figcaption><\/figure>\n<ul>\n<li>Tr\u01b0\u1edbc khi l\u1ea5y d\u1ea5u c\u1eafn s\u00e1p, b\u1ec7nh nh\u00e2n n\u00ean ng\u1ed3i v\u1edbi \u0111\u1ea7u, l\u01b0ng th\u1eb3ng v\u00e0 th\u01b0 gi\u00e3n. B\u00e1c s\u0129 h\u01b0\u1edbng d\u1eabn b\u1ec7nh nh\u00e2n t\u1eeb t\u1eeb \u0111\u01b0a h\u00e0m d\u01b0\u1edbi v\u1ec1 ph\u00eda tr\u01b0\u1edbc \u0111\u1ebfn tr\u00ed \u0111\u00e3 x\u00e1c \u0111\u1ecbnh nh\u01b0ng kh\u00f4ng d\u00f9ng l\u1ef1c \u0111\u1ec3 \u0111\u1ea9y h\u00e0m d\u01b0\u1edbi b\u1ec7nh nh\u00e2n. Ng\u00f3n tay c\u00e1i v\u00e0 ng\u00f3n tay tr\u1ecf c\u1ee7a b\u00e1c s\u0129 gi\u1eef nh\u1eb9 c\u1eb1m b\u1ec7nh nh\u00e2n v\u00e0 l\u1eb7p l\u1ea1i \u0111\u1ed9ng t\u00e1c t\u1eeb 3-4 l\u1ea7n. Sau \u0111\u00f3, b\u1ec7nh nh\u00e2n t\u1ef1 l\u1eb7p l\u1ea1i \u0111\u1ed9ng t\u00e1c v\u00e0 gi\u1eef h\u00e0m d\u01b0\u1edbi v\u1ec1 ph\u00eda tr\u01b0\u1edbc.<\/li>\n<li>Khi ch\u1eafc ch\u1eafn l\u00e0 b\u1ec7nh nh\u00e2n c\u00f3 th\u1ec3 l\u1eadp l\u1ea1i \u0111\u00fang \u0111\u1ed9ng t\u00e1c, b\u00e1c s\u0129 \u0111\u1eb7t v\u00e0nh s\u00e1p \u0111\u00e3 l\u00e0m m\u1ec1m v\u00e0o mi\u1ec7ng b\u1ec7nh nh\u00e2n. Trong khi b\u1ec7nh nh\u00e2n \u0111\u00f3ng h\u00e0m d\u01b0\u1edbi, b\u00e1c s\u0129 ki\u1ec3m so\u00e1t t\u01b0\u01a1ng quan r\u0103ng c\u1eeda v\u00e0 \u0111\u01b0\u1eddng gi\u1eefa. C\u1eaft v\u00e0nh s\u00e1p \u1edf ph\u00eda m\u00f4i c\u1ee7a r\u0103ng c\u1eeda gi\u1eefa \u0111\u1ec3 c\u00f3 th\u1ec3 quan s\u00e1t \u0111\u01b0\u1ee3c \u0111\u01b0\u1eddng gi\u1eefa v\u00e0 t\u01b0\u01a1ng quan v\u00f9ng r\u0103ng c\u1eeda.<\/li>\n<li>L\u1ea5y v\u00e0nh s\u00e1p nh\u1eb9 nh\u00e0ng ra kh\u1ecfi mi\u1ec7ng b\u1ec7nh nh\u00e2n v\u00e0 ki\u1ec3m tra l\u1ea1i v\u00e0nh s\u00e1p tr\u00ean m\u1eabu h\u00e0m h\u00e0m tr\u00ean v\u00e0 h\u00e0m d\u01b0\u1edbi (H\u00ecnh 2, 3). Khi v\u00e0nh s\u00e1p n\u1eb1m v\u1eeba v\u1eb7n tr\u00ean m\u1eabu h\u00e0m, d\u00f9ng k\u00e9o c\u1eaft b\u1edd s\u00e1p \u0111\u1ec3 c\u00f3 th\u1ec3 quan s\u00e1t v\u00e0 ch\u1eafc ch\u1eafn l\u00e0 c\u00e1c m\u00fai r\u0103ng \u0111\u1ec1u ch\u1ea1m s\u00e1t v\u00e0nh s\u00e1p. L\u00e0m l\u1ea1nh v\u00e0nh s\u00e1p c\u1eafn v\u00e0 \u0111\u1eb7t l\u00ean mi\u1ec7ng b\u1ec7nh nh\u00e2n \u0111\u1ec3 ki\u1ec3m tra m\u1ed9t l\u1ea7n n\u1eefa.<\/li>\n<\/ul>\n<figure id=\"attachment_33147\" aria-describedby=\"caption-attachment-33147\" style=\"width: 487px\" class=\"wp-caption alignnone\"><img decoding=\"async\" loading=\"lazy\" class=\"size-full wp-image-33147\" src=\"http:\/\/noithathoaphat.in\/ctv\/wp-content\/uploads\/2023\/05\/Untitled-115.png\" alt=\"lay-sau-sap-can-2\" width=\"487\" height=\"364\" srcset=\"http:\/\/noithathoaphat.in\/ctv\/wp-content\/uploads\/2023\/05\/Untitled-115.png 487w, http:\/\/noithathoaphat.in\/ctv\/wp-content\/uploads\/2023\/05\/Untitled-115-300x224.png 300w\" sizes=\"(max-width: 487px) 100vw, 487px\" \/><figcaption id=\"caption-attachment-33147\" class=\"wp-caption-text\">H\u00ecnh 2: V\u00e0nh s\u00e1p c\u1eafn.<\/figcaption><\/figure>\n<figure id=\"attachment_33148\" aria-describedby=\"caption-attachment-33148\" style=\"width: 479px\" class=\"wp-caption alignnone\"><img decoding=\"async\" loading=\"lazy\" class=\"size-full wp-image-33148\" src=\"http:\/\/noithathoaphat.in\/ctv\/wp-content\/uploads\/2023\/05\/Untitled-116.png\" alt=\"lay-sau-sap-can-3\" width=\"479\" height=\"427\" srcset=\"http:\/\/noithathoaphat.in\/ctv\/wp-content\/uploads\/2023\/05\/Untitled-116.png 479w, http:\/\/noithathoaphat.in\/ctv\/wp-content\/uploads\/2023\/05\/Untitled-116-300x267.png 300w\" sizes=\"(max-width: 479px) 100vw, 479px\" \/><figcaption id=\"caption-attachment-33148\" class=\"wp-caption-text\">H\u00ecnh 3: Ki\u1ec3m tra v\u00e0nh s\u00e1p c\u1eafn tr\u00ean m\u1eabu h\u00e0m h\u00e0m tr\u00ean v\u00e0 h\u00e0m d\u01b0\u1edbi.<\/figcaption><\/figure>\n<ul>\n<li>D\u1ea5u c\u1eafn thi\u1ebft l\u1eadp n\u00ean th\u1ef1c hi\u1ec7n sau khi c\u00f3 k\u1ebf ho\u1ea1ch \u0111i\u1ec1u tr\u1ecb v\u00e0 lu\u00f4n \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n tr\u00ean mi\u1ec7ng b\u1ec7nh nh\u00e2n ch\u1ee9 kh\u00f4ng l\u00e0m tr\u00ean m\u1eabu h\u00e0m.<\/li>\n<\/ul>\n<p>S\u00e1p c\u1eafn th\u1ef1c hi\u1ec7n tr\u00ean m\u1eabu h\u00e0m c\u00f3 nh\u1eefng nh\u01b0\u1ee3c \u0111i\u1ec3m sau:<\/p>\n<ul>\n<li>S\u00e1p c\u1eafn c\u00f3 th\u1ec3 kh\u00f4ng c\u00e2n x\u1ee9ng.<\/li>\n<li>Kh\u00f4ng ghi l\u1ea1i t\u01b0\u01a1ng quan ch\u00ednh x\u00e1c c\u1ee7a hai h\u00e0m, do \u0111\u00f3, kh\u00ed c\u1ee5 kh\u00f4ng v\u1eeba v\u1eb7n tr\u00ean mi\u1ec7ng b\u1ec7nh nh\u00e2n l\u00e0m b\u1ec7nh nh\u00e2n kh\u00f4ng tho\u1ea3i m\u00e1i v\u00e0 kh\u00f3 ch\u1ecbu khi ng\u1ee7.<\/li>\n<\/ul>\n<h2>2. Thi\u1ebft l\u1eadp kh\u1edbp c\u1eafn trong sai kh\u1edbp c\u1eafn lo\u1ea1i II b\u1eb1ng kh\u00ed c\u1ee5 Activator<\/h2>\n<p><strong>Thi\u1ebft l\u1eadp kh\u1edbp c\u1eafn v\u1edbi h\u00e0m d\u01b0\u1edbi \u0111\u01b0a v\u1ec1 tr\u01b0\u1edbc nhi\u1ec1u v\u00e0 \u0111\u1ed9 m\u1edf h\u00e0m nh\u1ecf<\/strong><\/p>\n<p>\u0110\u1ec3 thi\u1ebft l\u1eadp kh\u1edbp c\u1eafn cho vi\u1ec7c \u0111i\u1ec1u tr\u1ecb, h\u00e0m d\u01b0\u1edbi \u0111\u01b0\u1ee3c \u0111\u01b0a v\u1ec1 tr\u01b0\u1edbc \u0111\u1ec3 \u0111\u1ea1t t\u01b0\u01a1ng quan r\u0103ng c\u1eeda \u0111\u1ed1i \u0111\u1ea7u. \u1ede tr\u01b0\u1eddng h\u1ee3p sai kh\u1edbp c\u1eafn h\u1ea1ng II c\u00f3 h\u00e0m d\u01b0\u1edbi l\u00f9i do ch\u1ee9c n\u0103ng, h\u00e0m d\u01b0\u1edbi ph\u1ea3i t\u1eeb t\u01b0 th\u1ebf ngh\u1ec9 l\u00f9i v\u1ec1 sau \u0111\u1ec3 \u0111\u1ea1t kh\u1edbp c\u1eafn th\u00f3i quen (t\u01b0 th\u1ebf l\u1ed3ng m\u00fai t\u1ed1i \u0111a). Khi l\u1ea5y d\u1ea5u c\u1eafn s\u00e1p, h\u00e0m d\u01b0\u1edbi n\u00ean \u0111\u01b0\u1ee3c \u0111\u01b0a v\u1ec1 tr\u01b0\u1edbc nhi\u1ec1u h\u01a1n so v\u1edbi tr\u01b0\u1eddng h\u1ee3p sai kh\u1edbp c\u1eafn h\u1ea1ng II th\u1ef1c s\u1ef1 v\u1edbi \u0111\u01b0\u1eddng \u0111\u00f3ng h\u00e0m b\u00ecnh th\u01b0\u1eddng. H\u00e0m d\u01b0\u1edbi n\u00ean \u0111\u01b0\u1ee3c m\u1edf trong kho\u1ea3ng ngh\u1ec9 t\u1ef1 do. Kh\u00ed c\u1ee5 activator v\u1edbi h\u00e0m d\u01b0\u1edbi \u0111\u01b0a v\u1ec1 tr\u01b0\u1edbc v\u00e0 c\u00f3 \u0111\u1ed9 m\u1edf h\u00e0m nh\u1ecf \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 activator H (horizontal activator) (H\u00ecnh 4, 5).<\/p>\n<figure id=\"attachment_33149\" aria-describedby=\"caption-attachment-33149\" style=\"width: 448px\" class=\"wp-caption alignnone\"><img decoding=\"async\" loading=\"lazy\" class=\"size-full wp-image-33149\" src=\"http:\/\/noithathoaphat.in\/ctv\/wp-content\/uploads\/2023\/05\/Untitled-117.png\" alt=\"\" width=\"448\" height=\"354\" srcset=\"http:\/\/noithathoaphat.in\/ctv\/wp-content\/uploads\/2023\/05\/Untitled-117.png 448w, http:\/\/noithathoaphat.in\/ctv\/wp-content\/uploads\/2023\/05\/Untitled-117-300x237.png 300w\" sizes=\"(max-width: 448px) 100vw, 448px\" \/><figcaption id=\"caption-attachment-33149\" class=\"wp-caption-text\">H\u00ecnh 4: T\u00e1c \u0111\u1ed9ng c\u1ee7a kh\u00ed c\u1ee5 activator H: \u0111\u01b0a h\u00e0m d\u01b0\u1edbi v\u1ec1 tr\u01b0\u1edbc, nghi\u00eang r\u0103ng c\u1eeda tr\u00ean v\u1ec1 ph\u00eda l\u01b0\u1ee1i. Kh\u00ed c\u1ee5 activator H c\u00f3 \u1ea3nh h\u01b0\u1edfng r\u1ea5t \u00edt l\u00ean n\u1ec1n x\u01b0\u01a1ng h\u00e0m tr\u00ean theo chi\u1ec1u tr\u01b0\u1edbc- sau.<\/figcaption><\/figure>\n<figure id=\"attachment_33150\" aria-describedby=\"caption-attachment-33150\" style=\"width: 394px\" class=\"wp-caption alignnone\"><img decoding=\"async\" loading=\"lazy\" class=\"size-full wp-image-33150\" src=\"http:\/\/noithathoaphat.in\/ctv\/wp-content\/uploads\/2023\/05\/Untitled-118.png\" alt=\"\" width=\"394\" height=\"425\" srcset=\"http:\/\/noithathoaphat.in\/ctv\/wp-content\/uploads\/2023\/05\/Untitled-118.png 394w, http:\/\/noithathoaphat.in\/ctv\/wp-content\/uploads\/2023\/05\/Untitled-118-278x300.png 278w\" sizes=\"(max-width: 394px) 100vw, 394px\" \/><figcaption id=\"caption-attachment-33150\" class=\"wp-caption-text\">H\u00ecnh 5: H\u00e0m d\u01b0\u1edbi \u0111\u01b0a v\u1ec1 tr\u01b0\u1edbc v\u00e0 c\u00f3 \u0111\u1ed9 m\u1edf h\u00e0m \u00edt.<\/figcaption><\/figure>\n<p>V\u1edbi lo\u1ea1i kh\u00ed c\u1ee5 activator H n\u00e0y, h\u00e0m d\u01b0\u1edbi c\u00f3 th\u1ec3 \u0111\u01b0a v\u1ec1 tr\u01b0\u1edbc m\u00e0 c\u00e1c r\u0103ng c\u1eeda d\u01b0\u1edbi kh\u00f4ng b\u1ecb nghi\u00eang v\u1ec1 ph\u00eda m\u00f4i. C\u00e1c r\u0103ng c\u1eeda h\u00e0m tr\u00ean c\u00f3 th\u1ec3 d\u1ef1ng \u0111\u1ee9ng h\u01a1n. Tuy nhi\u00ean, x\u01b0\u01a1ng n\u1ec1n h\u00e0m tr\u00ean kh\u00f4ng b\u1ecb \u1ea3nh h\u01b0\u1edfng nhi\u1ec1u. Kh\u00ed c\u1ee5 activator H hi\u1ec7u qu\u1ea3 nh\u1ea5t khi m\u1ee5c ti\u00eau \u0111i\u1ec1u tr\u1ecb ch\u00ednh l\u00e0 thay \u0111\u1ed5i t\u01b0\u01a1ng quan theo chi\u1ec1u tr\u01b0\u1edbc &#8211; sau c\u1ee7a h\u00e0m d\u01b0\u1edbi. Ch\u1ec9 \u0111\u1ecbnh c\u1ee7a kh\u00ed c\u1ee5 activator H l\u00e0 sai kh\u1edbp c\u1eafn h\u1ea1ng II chi 1 v\u1edbi \u0111\u1ed9 c\u1eafn ch\u00eca l\u1edbn.<\/p>\n<p>Sai kh\u1edbp c\u1eafn h\u1ea1ng II chi 1 v\u1edbi h\u00e0m d\u01b0\u1edbi k\u00e9m ph\u00e1t tri\u1ec3n v\u00e0 h\u01b0\u1edbng ph\u00e1t tri\u1ec3n x\u01b0\u01a1ng h\u00e0m d\u01b0\u1edbi theo chi\u1ec1u ra tr\u01b0\u1edbc c\u0169ng l\u00e0 m\u1ed9t ch\u1ec9 \u0111\u1ecbnh cho activator H. N\u00ean d\u1ef1ng c\u00e1c r\u0103ng c\u1eeda tr\u00ean v\u00e0 c\u00e1c r\u0103ng c\u1eeda d\u01b0\u1edbi b\u1ecb nghi\u00eang v\u1ec1 ph\u00eda m\u00f4i b\u1eb1ng m\u1ed9t lo\u1ea1i kh\u00ed c\u1ee5 kh\u00e1c tr\u01b0\u1edbc khi d\u00f9ng activator. Tuy nhi\u00ean, c\u00f3 th\u1ec3 th\u1ef1c hi\u1ec7n \u0111\u1ed3ng th\u1eddi vi\u1ec7c \u0111i\u1ec1u tr\u1ecb \u0111\u01b0a h\u00e0m d\u01b0\u1edbi v\u1ec1 tr\u01b0\u1edbc v\u00e0 d\u1ef1ng c\u00e1c r\u0103ng c\u1eeda d\u01b0\u1edbi b\u1eb1ng kh\u00ed c\u1ee5 activator.<\/p>\n<p><strong>Thi\u1ebft l\u1eadp kh\u1edbp c\u1eafn v\u1edbi \u0111\u1ed9 m\u1edf h\u00e0m l\u1edbn v\u00e0 h\u00e0m d\u01b0\u1edbi \u00edt \u0111\u01b0a v\u1ec1 tr\u01b0\u1edbc<\/strong><\/p>\n<p>Khi thi\u1ebft l\u1eadp kh\u1edbp c\u1eafn v\u1edbi \u0111\u1ed9 m\u1edf h\u00e0m l\u1edbn th\u00ec h\u00e0m d\u01b0\u1edbi ch\u1ec9 n\u00ean \u0111\u01b0a v\u1ec1 tr\u01b0\u1edbc 3-5mm so v\u1edbi v\u1ecb tr\u00ed kh\u1edbp c\u1eafn th\u00f3i quen. T\u00f9y v\u00e0o kho\u1ea3ng t\u1ef1 do (freeway space), \u0111\u1ed9 m\u1edf h\u00e0m theo chi\u1ec1u \u0111\u1ee9ng l\u00e0 4-6mm hay l\u1edbn h\u01a1n kho\u1ea3ng t\u1ef1 do nhi\u1ec1u nh\u1ea5t l\u00e0 4mm. Kh\u00ed c\u1ee5 activator v\u1edbi \u0111\u1ed9 m\u1edf h\u00e0m d\u01b0\u1edbi l\u1edbn v\u00e0 h\u00e0m d\u01b0\u1edbi \u00edt \u0111\u01b0a v\u1ec1 tr\u01b0\u1edbc \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 activator V (vertical activator) v\u00e0 th\u01b0\u1eddng \u0111\u01b0\u1ee3c ch\u1ec9 \u0111\u1ecbnh cho sai kh\u1edbp c\u1eafn h\u1ea1ng II v\u1edbi h\u00e0m d\u01b0\u1edbi t\u0103ng tr\u01b0\u1edfng theo chi\u1ec1u \u0111\u1ee9ng. (H\u00ecnh 6).<\/p>\n<figure id=\"attachment_33151\" aria-describedby=\"caption-attachment-33151\" style=\"width: 858px\" class=\"wp-caption alignnone\"><img decoding=\"async\" loading=\"lazy\" class=\"size-full wp-image-33151\" src=\"http:\/\/noithathoaphat.in\/ctv\/wp-content\/uploads\/2023\/05\/Untitled-119.png\" alt=\"\" width=\"858\" height=\"430\" srcset=\"http:\/\/noithathoaphat.in\/ctv\/wp-content\/uploads\/2023\/05\/Untitled-119.png 858w, http:\/\/noithathoaphat.in\/ctv\/wp-content\/uploads\/2023\/05\/Untitled-119-300x150.png 300w, http:\/\/noithathoaphat.in\/ctv\/wp-content\/uploads\/2023\/05\/Untitled-119-768x385.png 768w\" sizes=\"(max-width: 858px) 100vw, 858px\" \/><figcaption id=\"caption-attachment-33151\" class=\"wp-caption-text\">H\u00ecnh 6: H\u00e0m d\u01b0\u1edbi m\u1edf l\u1edbn v\u00e0 \u0111\u01b0a v\u1ec1 tr\u01b0\u1edbc \u00edt.<\/figcaption><\/figure>\n<p>\u0110\u1ed9 m\u1edf h\u00e0m l\u1edbn cho ph\u00e9p ph\u1ea3n x\u1ea1 c\u01a1 v\u1eabn ho\u1ea1t \u0111\u1ed9ng ngay khi c\u00e1c c\u01a1 th\u01b0 d\u00e3n h\u01a1n &#8211; v\u00ed d\u1ee5 l\u00fac b\u1ec7nh nh\u00e2n \u0111ang ng\u1ee7. Kh\u1edbp c\u1eafn m\u1edf ra nhi\u1ec1u c\u00f3 th\u1ec3 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn \u0111\u1ed9 nghi\u00eang c\u1ee7a x\u01b0\u01a1ng h\u00e0m tr\u00ean<\/p>\n<p>Sai kh\u1edbp c\u1eafn h\u1ea1ng II chi 1 v\u1edbi h\u00e0m d\u01b0\u1edbi t\u0103ng tr\u01b0\u1edfng theo chi\u1ec1u xu\u1ed1ng d\u01b0\u1edbi kh\u00f3 c\u00f3 th\u1ec3 c\u1ea3i thi\u1ec7n chi\u1ec1u tr\u01b0\u1edbc \u2013 sau b\u1eb1ng vi\u1ec7c \u0111\u01b0a h\u00e0m d\u01b0\u1edbi v\u1ec1 tr\u01b0\u1edbc. Ho\u1eb7c h\u00e0m d\u01b0\u1edbi c\u00f3 th\u1ec3 \u0111\u01b0a v\u1ec1 tr\u01b0\u1edbc nh\u01b0ng c\u00f3 kh\u1ea3 n\u0103ng g\u00e2y ra kh\u1edbp c\u1eafn hai th\u00ec (dual bite). M\u1ee5c \u0111\u00edch \u0111i\u1ec1u tr\u1ecb b\u1eb1ng kh\u00ed c\u1ee5 activator trong tr\u01b0\u1eddng h\u1ee3p n\u00e0y l\u00e0 ch\u1ec9 \u0111\u01b0a h\u00e0m d\u01b0\u1edbi v\u1ec1 tr\u01b0\u1edbc r\u1ea5t \u00edt v\u00e0 t\u1ea1o \u0111\u00e1p \u1ee9ng c\u1ee7a h\u00e0m tr\u00ean \u0111\u1ed1i v\u1edbi cung r\u0103ng d\u01b0\u1edbi. X\u01b0\u01a1ng h\u00e0m tr\u00ean s\u1ebd l\u00f9i sau m\u1ed9t ph\u1ea7n v\u00e0 s\u1ef1 b\u00f9 tr\u1eeb r\u0103ng \u2013 x\u01b0\u01a1ng \u1ed5 r\u0103ng h\u1ed5 tr\u1ee3 th\u00eam v\u00e0o gi\u00fap \u0111\u1ea1t \u0111\u01b0\u1ee3c m\u1ee5c \u0111\u00edch tr\u00ean. Kh\u00ed c\u1ee5 activator h\u01b0\u1edbng d\u1eabn c\u00e1c r\u0103ng sau h\u00e0m d\u01b0\u1edbi m\u1ecdc l\u00ean, c\u00e1c r\u0103ng c\u1eeda tr\u00ean nghi\u00eang v\u1ec1 ph\u00eda l\u01b0\u1ee1i, c\u00e1c r\u0103ng c\u1eeda d\u01b0\u1edbi nghi\u00eang v\u1ec1 ph\u00eda m\u00f4i nh\u01b0ng kh\u00ed c\u1ee5 ng\u0103n c\u1ea3n kh\u00f4ng cho c\u00e1c r\u0103ng sau h\u00e0m tr\u00ean m\u1ecdc.<\/p>\n<p><em>Ngu\u1ed3n tham kh\u1ea3o: <\/em><em>S\u00e1ch ch\u1ec9nh h\u00ecnh r\u0103ng m\u1eb7t, kh\u00ed c\u1ee5 th\u00e1o l\u1eafp &#8211;\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":"<p>B\u00e0i vi\u1ebft n\u00e0y \u0111\u1ec1 c\u1eadp \u0111\u1ebfn k\u1ef9 thu\u1eadt l\u1ea5y d\u1ea5u s\u00e1p c\u1eafn v\u00e0 qu\u00e1 tr\u00ecnh thi\u1ebft l\u1eadp kh\u1edbp c\u1eafn trong tr\u01b0\u1eddng h\u1ee3p sai kh\u1edbp c\u1eafn h\u1ea1ng II Angle, \u0111\u1ed3ng th\u1eddi \u0111\u1ec1 c\u1eadp nh\u1eefng l\u01b0u \u00fd c\u1ea7n quan t\u00e2m tr\u00ean l\u00e2m s\u00e0ng. C\u00f9ng t\u00ecm hi\u1ec3u k\u1ef9 h\u01a1n trong b\u00e0i vi\u1ebft d\u01b0\u1edbi \u0111\u00e2y. 1. K\u1ef9 thu\u1eadt l\u1ea5y [&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":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v20.4 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>L\u1ea5y d\u1ea5u s\u00e1p, s\u1eed d\u1ee5ng kh\u00ed c\u1ee5 Activator thi\u1ebft l\u1eadp kh\u1edbp c\u1eafn lo\u1ea1i II.<\/title>\n<meta name=\"description\" content=\"B\u00e0i vi\u1ebft n\u00e0y \u0111\u1ec1 c\u1eadp \u0111\u1ebfn k\u1ef9 thu\u1eadt l\u1ea5y d\u1ea5u s\u00e1p c\u1eafn v\u00e0 qu\u00e1 tr\u00ecnh thi\u1ebft l\u1eadp kh\u1edbp c\u1eafn trong tr\u01b0\u1eddng h\u1ee3p sai kh\u1edbp c\u1eafn h\u1ea1ng II Angle. 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