{"id":20372,"date":"2023-04-13T23:10:14","date_gmt":"2023-04-13T16:10:14","guid":{"rendered":"http:\/\/noithathoaphat.in\/ctv\/?p=20372"},"modified":"2023-05-02T16:20:00","modified_gmt":"2023-05-02T09:20:00","slug":"tai-tao-cui-rang-dai-cuong-va-cac-diem-can-luu-y","status":"publish","type":"post","link":"http:\/\/noithathoaphat.in\/ctv\/index.php\/2023\/04\/13\/tai-tao-cui-rang-dai-cuong-va-cac-diem-can-luu-y\/","title":{"rendered":"T\u00e1i t\u1ea1o c\u00f9i r\u0103ng – \u0110\u1ea1i c\u01b0\u01a1ng v\u00e0 c\u00e1c \u0111i\u1ec3m c\u1ea7n l\u01b0u \u00fd."},"content":{"rendered":"

T\u00e1i t\u1ea1o c\u00f9i r\u0103ng l\u00e0 s\u1ef1 b\u1ed5 sung nh\u1eefng ph\u1ea7n m\u00f4 r\u0103ng b\u1ecb m\u1ea5t b\u1eb1ng c\u00e1c v\u1eadt li\u1ec7u th\u00edch h\u1ee3p \u0111\u1ec3 t\u1ea1o s\u1ef1 v\u1eefng ch\u1eafc cho c\u00f9i r\u0103ng s\u1ebd ch\u1ecbu \u0111\u1ef1ng ph\u1ee5c h\u00ecnh c\u1ed1 \u0111\u1ecbnh b\u00ean tr\u00ean. \u1ede b\u00e0i vi\u1ebft n\u00e0y s\u1ebd c\u00f9ng Nha s\u0129 t\u00ecm hi\u1ec3u v\u1ec1 \u0111\u1ea1i c\u01b0\u01a1ng v\u00e0 c\u00e1c \u0111i\u1ec3m c\u1ea7n l\u01b0u \u00fd khi ti\u1ebfn h\u00e0nh t\u00e1i t\u1ea1o c\u00f9i r\u0103ng.<\/strong><\/p>\n

1. M\u1ee9c \u0111\u1ed9 t\u00e1i t\u1ea1o c\u00f9i r\u0103ng tr\u00ean l\u00e2m s\u00e0ng<\/h2>\n

S\u1ef1 t\u00e1i t\u1ea1o c\u00f9i r\u0103ng c\u00f3 th\u1ec3 g\u1eb7p \u1edf m\u1ee9c \u0111\u1ed9 t\u1eeb \u00edt \u0111\u1ebfn nhi\u1ec1u:<\/span>
\n<\/span><\/p>\n

M\u1ed9t ph\u1ea7n th\u00e2n r\u0103ng:<\/span>
\n<\/span><\/p>\n

\u2013 M\u1ed9t ph\u1ea7n th\u00e2n r\u1eb1ng v\u1edbi ch\u00e2n r\u0103ng \u0111\u00e3 \u0111\u01b0\u1ee3c h\u00e0n tu\u1ef7.<\/span>
\n<\/span><\/p>\n

To\u00e0n b\u1ed9 ph\u1ea7n th\u00e2n:<\/span>
\n<\/span><\/p>\n

\u2013 \u0110\u1ed1i v\u1edbi tr\u01b0\u1eddng h\u1ee3p m\u1ed9t ph\u1ea7n th\u00e2n r\u0103ng th\u01b0\u1eddng l\u00e0 h\u00e0n ph\u1ee5c h\u1ed3i c\u00f3 th\u1ec3 t\u0103ng c\u01b0\u1eddng ch\u1ed1t ng\u00e0 r\u0103ng ho\u1eb7c inlay \u2013 onlay.<\/span>
\n<\/span><\/p>\n

\u2013 \u0110\u1ed1i v\u1edbi m\u1ea5t m\u1ed9t ph\u1ea7n th\u00e2n r\u0103ng tr\u00ean r\u0103ng \u0111\u00e3 \u0111\u01b0\u1ee3c \u0111i\u1ec1u tr\u1ecb t\u1ee7y th\u00ec t\u00e1i t\u1ea1o ch\u1ee7 y\u1ebfu d\u1ef1a v\u00e0o c\u00e1c ch\u1ed1t ch\u00e2n r\u0103ng.<\/span>
\n<\/span><\/p>\n

\u2013 \u0110\u1ed1i v\u1edbi m\u1ea5t to\u00e0n b\u1ed9 th\u00e2n r\u0103ng t\u00e1i t\u1ea1o b\u1eb1ng c\u00f9i \u0111\u00fac hay v\u1eeba ch\u1ed1t v\u1eeba l\u00e0 ch\u1ee5p r\u0103ng.<\/span>
\n<\/span><\/p>\n

2. Ch\u1ec9 \u0111\u1ecbnh v\u00e0 ch\u1ed1ng ch\u1ec9 \u0111\u1ecbnh t\u00e1i t\u1ea1o c\u00f9i r\u0103ng tr\u00ean l\u00e2m s\u00e0ng<\/h2>\n

2.1. Ch\u1ec9 \u0111\u1ecbnh<\/h3>\n

\u2013 C\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n tr\u00ean r\u0103ng s\u1ed1ng v\u00e0 r\u0103ng ch\u1ebft t\u1ee7y.<\/p>\n

\u2013 Ph\u1ee5c h\u1ed3i m\u00f4 r\u0103ng \u0111\u1ec3 t\u1ea1o s\u1ef1 tho\u00e1t c\u1ee7a c\u00f9i r\u0103ng sau khi m\u00e0i.<\/p>\n

\u2013 Ph\u1ee5c h\u1ed3i m\u00f4 r\u0103ng \u0111\u1ec3 t\u0103ng c\u01b0\u1eddng s\u1ef1 v\u1eefng ch\u1eafc c\u1ee7a c\u00f9i r\u0103ng.<\/p>\n

\u2013 Ph\u1ee5c h\u1ed3i m\u00f4 r\u0103ng \u0111\u1ec3 t\u0103ng th\u00eam chi\u1ec1u cao cho c\u00f9i r\u0103ng, t\u1ea1o s\u1ee9c gi\u1eef cho ph\u1ee5c h\u00ecnh b\u00ean tr\u00ean.<\/p>\n

\u2013 Ph\u1ee5c h\u1ed3i ho\u00e0n to\u00e0n th\u00e2n r\u0103ng<\/p>\n

2.2. Ch\u1ed1ng ch\u1ec9 \u0111\u1ecbnh<\/p>\n

\u2013 Ch\u00e2n r\u0103ng c\u00f2n l\u1ea1i c\u00f3 m\u00f4 r\u0103ng m\u1ee7n, m\u1ec1m, c\u00f3 hi\u1ec7n t\u01b0\u1ee3ng n\u1ee9t, g\u00e3y.<\/p>\n

\u2013 Ch\u00e2n r\u0103ng n\u1eb1m d\u01b0\u1edbi \u0111\u01b0\u1eddng r\u00e3nh l\u1ee3i m\u00e0 kh\u00f4ng th\u1ec3 th\u1ef1c hi\u1ec7n c\u00e1c bi\u1ec7n ph\u00e1p k\u00e9o d\u00e0i ch\u00e2n r\u0103ng nh\u01b0: k\u00e9o l\u00ean b\u1eb1ng ch\u1ec9nh nha, tr\u01b0\u1ee3t v\u1ea1t v\u1ec1 ph\u00eda cu\u1ed1ng.<\/p>\n

\u2013 R\u0103ng ch\u1eefa t\u1ee7y kh\u00f4ng t\u1ed1t: Tr\u00ean phim Xquang th\u1ec3 hi\u1ec7n qu\u00e1 cu\u1ed1ng ho\u1eb7c c\u00e1ch ch\u00f3p 1 \u2013 2mm, c\u00f3 c\u00e1c b\u1ec7nh l\u00fd: nang ch\u00e2n r\u0103ng, u h\u1ea1t kh\u00f4ng th\u1ec3 ph\u1eabu thu\u1eadt \u0111\u01b0\u1ee3c.<\/p>\n

\u2013 V\u00f9ng quanh r\u0103ng kh\u00f4ng t\u1ed1t: t\u00fai l\u1ee3i s\u00e2u tr\u00ean 3mm.<\/p>\n

3. C\u00e1c v\u1eadt li\u1ec7u t\u00e1i t\u1ea1o c\u00f9i r\u0103ng<\/h2>\n

3.1. Xi m\u0103ng t\u00e1i t\u1ea1o c\u00f9i r\u0103ng<\/h3>\n

Xi m\u1ea3ng th\u1ee7y tinh \u0111\u01b0\u1ee3c gia c\u1ed1 k\u1ebft h\u1ee3p v\u1edbi nh\u1ef1a hay amalgam.<\/p>\n

Xi m\u0103ng h\u00e0n ph\u1ee5c h\u1ed3i thu\u1ed9c type II: Dentin Cement, Miracle Mix (GC), Shofu Base (shofu), Chelon Silver (ESPE).<\/p>\n

Xi m\u0103ng g\u1eafn c\u00e1c ch\u1ed1t r\u0103ng thu\u1ed9c type VI: Fuji I, Fuji Plus.<\/p>\n

3.2. Amalgam<\/h3>\n

L\u00e0 v\u1eadt li\u1ec7u t\u00e1i t\u1ea1o t\u01b0\u01a1ng \u0111\u1ed1i t\u1ed1t v\u1ec1 l\u1ef1c, th\u00f4ng d\u1ee5ng, gi\u00e1 th\u00e0nh r\u1ebb.<\/p>\n

Quy\u1ebft \u0111\u1ecbnh s\u1ef1 c\u1ee9ng ch\u1eafc c\u1ee7a amalgam l\u00e0 qu\u00e1 tr\u00ecnh nh\u1ed3i n\u00e9n t\u1ed1t.<\/p>\n

Tr\u01b0\u1eddng h\u1ee3p r\u0103ng m\u1ea5t nhi\u1ec1u m\u00f4 r\u0103ng c\u1ea7n nh\u1ed3i n\u00e9n c\u00f3 khu\u00f4n gi\u1eef: \u1ed1ng \u0111\u1ed3ng (th\u01b0\u1eddng \u0111\u1ec3 12 gi\u1edd sau khi h\u00e0n).<\/p>\n

V\u1ec1 m\u1eb7t c\u01a1 h\u1ecdc: S\u1ef1 c\u1ee9ng ch\u1eafc k\u00e9m kim lo\u1ea1i \u0111\u00fac.<\/p>\n

S\u1ef1 kh\u00edt s\u00e1t v\u1edbi m\u00f4 r\u0103ng t\u1ed1t, nh\u01b0ng hay l\u00e0m \u0111\u1ed5i m\u00e0u ph\u1ea7n m\u00f4 r\u0103ng ti\u1ebfp c\u1eadn: \u0111\u01b0\u1eddng vi\u1ec1n l\u1ee3i ho\u1eb7c ni\u00eam m\u1ea1c m\u00e1.<\/p>\n

M\u00e0u s\u1eafc c\u1ee7a amalgam \u1ea3nh h\u01b0\u1edfng t\u1edbi ph\u1ee5c h\u00ecnh b\u00ean ngo\u00e0i n\u00ean \u00edt \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng t\u00e1i t\u1ea1o r\u0103ng tr\u01b0\u1edbc.<\/p>\n

Th\u01b0\u1eddng t\u00e1i t\u1ea1o b\u1eb1ng amalgam tr\u01b0\u1edbc sau \u0111\u00f3 ch\u1edd \u1ed5n \u0111\u1ecbnh sau 72 gi\u1edd m\u1edbi l\u00e0m b\u00f3ng, l\u1ea5y khu\u00f4n l\u00e0m ph\u1ee5c h\u00ecnh r\u0103ng gi\u1ea3.<\/p>\n

L\u01b0u \u00fd: Amalgam \u0111\u1ed1i di\u1ec7n v\u1edbi r\u0103ng mang ch\u1ee5p kim lo\u1ea1i c\u00f3 th\u1ec3 g\u00e2y ph\u1ea3n \u1ee9ng t\u1ea1o d\u00f2ng \u0111i\u1ec7n sinh h\u1ecdc (Galvanic).<\/p>\n

3.3. Composite<\/h3>\n

\u01afu \u0111i\u1ec3m: M\u00e0u s\u1eafc th\u1ea9m m\u1ef9, ti\u1ec7n l\u1ee3i sau khi tr\u00f9ng h\u1ee3p c\u00f3 th\u1ec3 l\u1ea5y khu\u00f4n l\u00e0m ph\u1ee5c h\u00ecnh ngay, gi\u00e1 th\u00e0nh th\u1ea5p.<\/p>\n

Ng\u00e0y nay nhi\u1ec1u lo\u1ea1i composite \u0111\u00e3 t\u0103ng c\u01b0\u1eddng kh\u1ea3 n\u0103ng b\u00e1m d\u00ednh v\u00e0o ng\u00e0 t\u01b0\u01a1ng<\/p>\n

3.4. Kim lo\u1ea1i \u0111\u00fac<\/h3>\n

\u0110\u1eb7c t\u00ednh c\u01a1 h\u1ecdc t\u1ed1t n\u00ean d\u00f9ng nhi\u1ec1u trong ph\u1ee5c h\u1ed3i t\u1ed5n th\u01b0\u01a1ng l\u1edbn \u1edf th\u00e2n r\u0103ng.<\/p>\n

H\u1ee3p kim v\u00e0ng; t\u01b0\u01a1ng h\u1ee3p sinh h\u1ecdc, m\u00e0u s\u00e1ng, nhi\u1ec7t \u0111\u1ed9 n\u00f3ng ch\u1ea3y th\u1ea5p, \u1ed5n \u0111\u1ecbnh trong m\u00f4i tr\u01b0\u1eddng mi\u1ec7ng, cho c\u00e1c v\u1eadt \u0111\u00fac ch\u00ednh x\u00e1c, gi\u00e1 th\u00e0nh cao.<\/p>\n

H\u1ee3p kim b\u00e1n qu\u00fd: l\u00e0 h\u1ee3p kim c\u1ee7a b\u1ea1c v\u00e0 palladium c\u00f3 m\u00e0u tr\u1eafng d\u1ec5 s\u1eed d\u1ee5ng nh\u01b0ng th\u01b0\u1eddng b\u1ecb gi\u00f2n khi nung \u1edf nhi\u1ec7t \u0111\u1ed9 cao.<\/p>\n

H\u1ee3p kim nickel chrome: gi\u00e1 th\u00e0nh r\u1ebb, \u0111\u00fac ch\u00ednh x\u00e1c nh\u01b0ng \u0111\u1ed9 c\u1ee9ng cao kh\u00f3 m\u00e0i m\u00f2n, kh\u00f3 s\u1eeda ch\u1eefa tr\u00ean mi\u1ec7ng.<\/p>\n

H\u1ee3p kim Titan: ng\u00e0y nay \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i do \u0111\u00e1p \u1ee9ng \u0111\u1ea7y \u0111\u1ee7 c\u00e1c y\u00eau c\u1ea7u v\u1ec1 t\u01b0\u01a1ng h\u1ee3p sinh h\u1ecdc, \u0111\u1ed9 b\u1ec1n, gi\u00e1 th\u00e0nh h\u1ee3p l\u00fd.<\/p>\n

S\u1ee9: Th\u1ea9m m\u1ef9 nh\u01b0ng gi\u00e1 th\u00e0nh cao, hay s\u1eed d\u1ee5ng cho r\u0103ng c\u1eeda.<\/p>\n

3.5. C\u00e1c ch\u1ed1t t\u00e1i t\u1ea1o c\u00f9i r\u0103ng<\/h3>\n

3.5.1. Ch\u1ed1t ng\u00e0 r\u0103ng<\/h4>\n

\u0110\u01b0\u1ee3c \u0111\u00fac s\u1eb5n b\u1eb1ng h\u1ee3p kim th\u00e9p kh\u00f4ng g\u1ec9.<\/p>\n

\u0110\u01b0\u1eddng k\u00ednh nh\u1ecf 0,5 mm.<\/p>\n

S\u1eed d\u1ee5ng b\u1eb1ng c\u00e1ch v\u1eb7n, \u0111\u00f3ng ho\u1eb7c g\u1eafn d\u00ednh.<\/p>\n

C\u1eafm ch\u1ed1t kh\u00f4ng \u0111\u01b0\u1ee3c g\u1ea7n t\u1ee7y r\u0103ng v\u00e0 th\u00e0nh ngo\u00e0i c\u1ee7a r\u0103ng.<\/p>\n

D\u00f9ng tr\u00ean r\u0103ng t\u1ee7y c\u00f2n s\u1ed1ng.<\/p>\n

3.5.2. Ch\u1ed1t ch\u00e2n r\u0103ng<\/h4>\n

Ph\u00e2n lo\u1ea1i theo c\u00e1ch ch\u1ebf t\u1ea1o: \u0110\u00fac s\u1eb5n ho\u1eb7c \u0111\u01b0\u1ee3c \u0111\u00fac sau khi l\u1ea5y d\u1ea5u khu\u00f4n, \u0111\u1ed5 m\u1eabu,<\/p>\n

Ph\u00e2n lo\u1ea1i theo v\u1eadt li\u1ec7u ch\u1ebf t\u1ea1o: C\u00f3 ch\u1ed1t s\u1ee9, h\u1ee3p kim th\u01b0\u1eddng, h\u1ee3p kim titan, kim lo\u1ea1i qu\u00fd, ch\u1ed1t s\u1ee3i.<\/p>\n

\"tai-tao-cui-rang\"
M\u1ed9t s\u1ed1 lo\u1ea1i ch\u1ed1t v\u00e0 \u0111\u1ed9 \u0111\u00e0n h\u1ed3i c\u1ee7a ch\u00fang<\/figcaption><\/figure>\n

Ph\u00e2n lo\u1ea1i theo t\u00e1c d\u1ee5ng l\u1ef1c:<\/span>
\n<\/span><\/p>\n

+ Ch\u1ed1t th\u1ee5 \u0111\u1ed9ng: kh\u00f4ng c\u00f3 r\u0103ng xo\u1eafn v\u1eb7n, ch\u1ed1t c\u00e1ch ch\u00e2n r\u0103ng m\u1ed9t l\u1edbp ch\u1ea5t g\u1eafn. <\/span>N\u00f3 c\u00f3 th\u1ec3 c\u00f3 h\u00ecnh tr\u1ee5, h\u00ecnh n\u00f3n.<\/span>
\n<\/span><\/p>\n

\u01afu \u0111i\u1ec3m: d\u1ec5 \u0111\u1eb7t, c\u1ee9ng ch\u1eafc, kh\u00f4ng ho\u1eb7c \u00edt t\u1ea1o l\u1ef1c tr\u00ean r\u0103ng, l\u01b0u gi\u1eef \u0111\u01b0\u1ee3c.<\/span>
\n<\/span><\/p>\n

Nh\u01b0\u1ee3c \u0111i\u1ec3m: c\u00f3 th\u1ec3 xoay n\u00ean y\u00eau c\u1ea7u ph\u1ea3i \u0111\u1eb7t \u0111\u00fang k\u1ef9 thu\u1eadt.<\/span>
\n<\/span><\/p>\n

+ Ch\u1ed1t ch\u1ee7 \u0111\u1ed9ng: c\u00f3 r\u00e3nh xo\u1eafn, c\u0169ng c\u00f3 hai h\u00ecnh d\u1ea1ng l\u00e0 tr\u1ee5 v\u00e0 n\u00f3n.<\/span>
\n<\/span><\/p>\n

\u01afu \u0111i\u1ec3m: d\u1ec5 \u0111\u0103t, ch\u1eafc, l\u1ef1c do b\u00e1c s\u0129 \u0111\u1eb7t, c\u00f3 th\u1ec3 th\u00e1o ra \u0111\u01b0\u1ee3c.<\/span>
\n<\/span><\/p>\n

Nh\u01b0\u1ee3c \u0111i\u1ec3m: h\u00ecnh n\u00f3n r\u1ea5t d\u1ec5 g\u00e2y n\u1ee9t, g\u00e3y ch\u00e2n r\u0103ng.<\/span><\/p>\n

Ch\u1ed1t ch\u1ee7 \u0111\u1ed9ng d\u00f9ng c\u00e2y t\u1ea1o h\u00ecnh \u1ed1ng mang ch\u1ed1t nh\u1ecdn, ch\u1ed1t th\u1ee5 \u0111\u1ed9ng l\u00e0 c\u00e2y c\u00f3 \u0111\u1ea7u t\u00f9. Ph\u00e2n lo\u1ea1i theo ph\u01b0\u01a1ng th\u1ee9c ch\u1ebf t\u1ea1o ch\u1ed1t \u0111\u00fac s\u1eb5n v\u00e0 ch\u1ed1t \u0111\u00fac ri\u00eang cho t\u1eebng b\u1ec7nh nh\u00e2n: ch\u1ed1t kim c\u00f9i gi\u1ea3 (post and core). N\u1ebfu s\u1eeda so\u1ea1n \u1ed1ng mang ch\u1ed1t c\u00f3 ph\u1ea7n ph\u00eda c\u1ed5 r\u0103ng r\u1ed9ng v\u00e0 ph\u00eda cu\u1ed1ng r\u0103ng h\u1ee3p th\u00ec nh\u1eefng ch\u1ed1t \u0111\u01b0\u1ee3c ch\u1ebf t\u1ea1o s\u1eb5n th\u01b0\u1eddng l\u00e0 ch\u1ed1t tr\u1ef1c ti\u1ebfp s\u1ebd ch\u1ec9 v\u1eeba \u1edf ph\u00eda d\u01b0\u1edbi ch\u00e2n r\u0103ng, s\u1eeda so\u1ea1n b\u1eb1ng m\u0169i khoan t\u1ea1o h\u00ecnh ch\u1ed1t th\u00f4ng th\u01b0\u1eddng \u1edf 1\/3 v\u1ec1 ph\u00eda cu\u1ed1ng c\u00f2n l\u1ea1i s\u1ebd b\u1ecb l\u1ecfng \u1edf ph\u00eda c\u1ed5 r\u0103ng. Tuy nhi\u00ean, c\u00e1c ch\u1ed1t \u0111\u00fac th\u01b0\u1eddng \u0111\u00fac ri\u00eang cho t\u1eebng b\u1ec7nh nh\u00e2n n\u00ean c\u00f3 s\u1ef1 v\u1eeba kh\u00edt su\u1ed1t chi\u1ec1u d\u00e0i \u00f4ng mang ch\u1ed1t, n\u00f3 s\u1ebd t\u1ed1t h\u01a1n ch\u1ed1t tr\u1ef1c ti\u1ebfp.<\/span><\/p>\n

\u0110\u1ed1i v\u1edbi ch\u1ed1t \u0111\u00fac k\u00e8m t\u00e1i t\u1ea1o c\u00f9i th\u00ec g\u00f3c ch\u1ed1t c\u00f3 th\u1ec3 ph\u00e2n \u0111o\u1ea1n, kh\u00f4ng gi\u1ed1ng nh\u01b0 \u0111\u00fac s\u1eb5n m\u1ed9t kh\u1ed1i. G\u00f3c gi\u1eefa ch\u1ed1t v\u00e0 c\u00f9i r\u0103ng gi\u1ea3 c\u1ea7n thay \u0111\u1ed5i \u0111\u1ec3 ph\u1ea7n ch\u1ed1t th\u00ec theo tr\u1ee5c ch\u00e2n r\u0103ng nh\u01b0ng ph\u1ea7n c\u00f9i th\u00ec l\u1ea1i thu\u1eadn l\u1ee3i cho ch\u1ee5p r\u0103ng sau n\u00e0y.<\/span>
\n<\/span><\/p>\n

So s\u00e1nh gi\u1eefa ch\u1ed1t tr\u1ef1c ti\u1ebfp v\u00e0 gi\u00e1n ti\u1ebfp: Trong ph\u1ea7n l\u1edbn c\u00e1c tr\u01b0\u1eddng h\u1ee3p l\u00e2m s\u00e0ng, s\u1ef1 l\u1ef1a ch\u1ecdn gi\u1eefa ch\u1ed1t tr\u1ef1c ti\u1ebfp v\u00e0 gi\u00e1n ti\u1ebfp d\u1ef1a v\u00e0o ch\u1ee7 y\u1ebfu l\u00e0 c\u00e1c kinh nghi\u1ec7m l\u00e0m s\u00e0ng, c\u00e1c nghi\u00ean c\u1ee9u c\u0169ng ch\u1ec9 ra c\u00f3 s\u1ef1 kh\u00e1c bi\u1ec7t nh\u1ecf v\u1ec1 kh\u1ea3 n\u0103ng l\u01b0u gi\u1eef c\u1ee7a hai lo\u1ea1i ch\u1ed1t. <\/span>Trong qu\u00e1 tr\u00ecnh \u0111\u00fac nh\u1eefng c\u00f9i r\u0103ng t\u00e1i t\u1ea1o l\u1edbn so v\u1edbi ch\u00e2n n\u1eb1m trong \u00f4ng t\u1ee7y ho\u1eb7c ph\u1ea7n ch\u00e2n ch\u1ed1t qu\u00e1 d\u00e0i th\u00ec khi l\u00e0m ngu\u1ed9i v\u00e0 \u0111\u00fac s\u1ebd c\u00f3 s\u1ef1 r\u1ed7 ho\u1eb7c co ng\u00f3t nh\u1ea5t \u0111\u1ecbnh d\u1eabn \u0111\u1ebfn k\u00e9m ch\u00ednh x\u00e1c.<\/span><\/p>\n

4. T\u00e1i t\u1ea1o c\u00f9i r\u0103ng<\/h2>\n

4.1. \u0110\u1ed1i v\u1edbi m\u1ea5t m\u1ed9t ph\u1ea7n th\u00e2n r\u0103ng<\/h3>\n

R\u0103ng t\u1ee7y c\u00f2n s\u1ed1ng:<\/p>\n

– N\u1ebfu nh\u1ecf th\u00ec h\u00e0n ph\u1ee5c h\u1ed3i.<\/p>\n

– L\u1edbn h\u01a1n c\u1eafm pin ng\u00e3, inlay onlay, \u0111\u1eb7c bi\u1ec7t c\u00f3 th\u1ec3 l\u00e0m ch\u1ee5p t\u1eebng ph\u00e2n h\u1ee7y to\u00e0n b\u1ed9.<\/p>\n

– R\u0103ng ch\u1ebft t\u1ee7y: N\u00eau c\u00e1c th\u00e0nh \u0111\u1ec1u c\u00f3 \u0111\u1ed9 cao tr\u00ean 1\/2 th\u00e2n r\u0103ng th\u00ec h\u00e0n.<\/p>\n

4.2. \u0110\u1ed1i v\u1edbi r\u0103ng m\u1ea5t nhi\u1ec1u th\u00e2n r\u0103ng<\/h3>\n

T\u00ednh s\u1ed1 th\u00e0nh c\u00f2n l\u1ea1i \u0111\u1ec3 \u0111\u01b0a ra ch\u1ec9 \u0111\u1ecbnh (Y\u00eau c\u1ea7u \u0111\u01b0\u1ee3c coi l\u00e0 th\u00e0nh khi chi\u1ec1u cao c\u00f2n l\u1ea1i tr\u00ean 1\/3, \u0111\u1ed9 d\u00e0y tr\u00ean 1mm).<\/p>\n

– C\u00f2n \u0111\u1ee7 4 th\u00e0nh: h\u00e0n<\/p>\n

– C\u00f2n 2 \u2013 3 th\u00e0nh: c\u1eafm ch\u1ed1t v\u00e0 ph\u1ee5c h\u1ed3i.<\/p>\n

– 01 th\u00e0nh: \u0110\u00fac li\u1ec1n m\u1ed9t kh\u1ed1i c\u1ea3 ch\u1ed1t v\u00e0 c\u00f9i gi\u1ea3.<\/p>\n

Y\u00eau c\u1ea7u \u0111\u1eb7t ch\u1ed1t<\/p>\n

+ S\u1eeda so\u1ea1n \u1ed1ng t\u1ee7y: Theo c\u1ed5 \u0111i\u1ec3n: chi\u1ec1u d\u00e0i ch\u1ed1t chi\u1ebfm 2\/3 chi\u1ec1u d\u00e0i \u1ed1ng t\u1ee7y, \u0111\u01b0\u1eddng k\u00ednh chi\u1ebfm 1\/3 ch\u00e2n r\u0103ng, ng\u00e0y nay: chi\u1ec1u d\u00e0i 1\/2 ch\u00e2n r\u0103ng d\u01b0\u1edbi x\u01b0\u01a1ng, n\u1ebfu th\u00e2n r\u0103ng c\u00f2n tr\u00ean 1\/2 chi\u1ec1u cao th\u00e2n r\u0103ng th\u00ec chi\u1ec1u d\u00e0i ch\u1ed1t ch\u1ec9 c\u1ea7n 1\/3 chi\u1ec1u d\u00e0i th\u00e2n r\u0103ng.<\/p>\n

+ Ch\u1eeba l\u1ea1i m\u00f4 r\u0103ng cao tr\u00ean m\u1eb7t ch\u00e2n r\u0103ng 2mm kh\u00f4ng c\u00f3 n\u1ee9t ngang, ch\u1ea5t g\u1eafn ch\u1ed1t tr\u00ean r\u00e3nh l\u1ee3i 1,5 \u2013 2m \u0111\u1ea3m b\u1ea3o kh\u00f4ng tan ch\u1ea5t g\u1eafn v\u00e0 ch\u1ed1ng vi\u00eam.<\/p>\n

+ Quy tr\u00ecnh d\u00e1n: L\u00e0m s\u1ea1ch \u1ed1ng mang ch\u1ed1t b\u1eb1ng d\u1ee5ng c\u1ee5 si\u00eau \u00e2m v\u00e0 b\u01a1m r\u1eeda k\u1ef9, l\u00e0m kh\u00f4 b\u1eb1ng c\u00f2n gi\u1ea5y, d\u00f9ng lentulo \u0111\u01b0a xi m\u0103ng g\u1eafn v\u00e0o tr\u01b0\u1edbc, \u0111\u01b0a ch\u1ed1t v\u00e0o ti\u1ebfp theo. N\u1ebfu g\u1eafn d\u00ednh b\u1eb1ng nh\u1ef1a th\u00ec etching trong 30 gi\u00e2y, x\u1ecbt h\u01a1i v\u00e0 n\u01b0\u1edbc trong 30 gi\u00e2y, b\u00f4i primer tr\u00ean b\u1ec1 m\u1eb7t ch\u1ed1t v\u00e0 \u00f4ng mang ch\u1ed1t.<\/p>\n

+ Ch\u1ed1ng xoay: \u0110\u1ed1i v\u1edbi m\u1eb7t to\u00e0n b\u1ed9 th\u00e2n r\u0103ng, c\u0103n t\u0103ng c\u01b0\u1eddng b\u1eb1ng c\u00e1c pin ng\u00e0 \u0111\u1ec3 ch\u1ed1ng xoay. Th\u00f4ng th\u01b0\u1eddng s\u1eed d\u1ee5ng b\u1ea3n pin. \u00cdt nh\u1ea5t hai pin, m\u1ed9t \u1edf ph\u00eda g\u1ea7n v\u00e0 m\u1ed9t \u1edf ph\u00eda xa.<\/p>\n

+ Pilpin (vivadent). V\u1eadt li\u1ec7u ch\u1ed1t th\u01b0\u1eddng l\u00e0 Titan ho\u1eb7c h\u1ee3p kim Titan.<\/p>\n

+ T\u1ea1o nh\u1eefng l\u1ed7 tr\u00f2n tr\u00ean m\u1eb7t ch\u00e2n r\u0103ng s\u00e2u 1.5mm, \u0111\u01b0\u1eddng k\u00ednh nh\u1ecf b\u1eb1ng m\u0169i khoan 330).<\/p>\n

+ T\u1ea1o r\u00e3nh tr\u00ean m\u1eb7t ch\u00e2n r\u0103ng gi\u1ed1ng ng\u00e0 r\u0103ng.<\/p>\n

4.3. \u0110\u1ed1i v\u1edbi r\u0103ng m\u1ea5t to\u00e0n b\u1ed9 th\u00e2n r\u0103ng<\/h3>\n

C\u00f9i \u0111\u00fac: \u0110\u1ee9c li\u00ean m\u1ed9t kh\u1ed1i tr\u1ee5 v\u00e0 t\u00e1i t\u1ea1o th\u00e2n r\u0103ng. Tu\u1ef3 theo ch\u1ee9c n\u0103ng \u0103n nhai, th\u1ea9m m\u1ef9 m\u00e0 l\u00e0 ch\u1ecdn lo\u1ea1i v\u1eadt li\u1ec7u: h\u1ee3p kim, kim lo\u1ea1i, s\u1ee9…
\nR\u0103ng tr\u1ee5: C\u1ea3 tr\u1ee5 v\u00e0 r\u0103ng. \u1ede c\u00e1c r\u0103ng h\u00e0m theo quan ni\u1ec7m hi\u1ec7n \u0111\u1ea1i kh\u00f4ng d\u00f9ng t\u1eeb ch\u1ed1t m\u00e0 ch\u1ec9 t\u0103ng c\u01b0\u1eddng l\u01b0u gi\u1eef b\u1eb1ng c\u00e1c pin. N\u1ebfu t\u00e1i t\u1ea1o th\u00e2n r\u0103ng ch\u1ec9 d\u00f9ng cho ch\u00e2n xa \u0111\u1ed1i v\u1edbi h\u00e0m d\u01b0\u1edbi v\u00e0 ch\u00e2n h\u00e0m \u1ebfch \u0111\u1ed1i v\u1edbi h\u00e0m tr\u00ean.<\/p>\n

Ngu\u1ed3n: Ch\u1eefa r\u0103ng v\u00e0 N\u1ed9i nha t\u1eadp 2 – NXB Gi\u00e1o d\u1ee5c Vi\u1ec7t Nam<\/em><\/p>\n","protected":false},"excerpt":{"rendered":"

T\u00e1i t\u1ea1o c\u00f9i r\u0103ng l\u00e0 s\u1ef1 b\u1ed5 sung nh\u1eefng ph\u1ea7n m\u00f4 r\u0103ng b\u1ecb m\u1ea5t b\u1eb1ng c\u00e1c v\u1eadt li\u1ec7u th\u00edch h\u1ee3p \u0111\u1ec3 t\u1ea1o s\u1ef1 v\u1eefng ch\u1eafc cho c\u00f9i r\u0103ng s\u1ebd ch\u1ecbu \u0111\u1ef1ng ph\u1ee5c h\u00ecnh c\u1ed1 \u0111\u1ecbnh b\u00ean tr\u00ean. \u1ede b\u00e0i vi\u1ebft n\u00e0y s\u1ebd c\u00f9ng Nha s\u0129 t\u00ecm hi\u1ec3u v\u1ec1 \u0111\u1ea1i c\u01b0\u01a1ng v\u00e0 c\u00e1c \u0111i\u1ec3m c\u1ea7n l\u01b0u […]<\/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":"\nT\u00e1i t\u1ea1o c\u00f9i r\u0103ng - \u0110\u1ea1i c\u01b0\u01a1ng v\u00e0 c\u00e1c \u0111i\u1ec3m c\u1ea7n l\u01b0u \u00fd. - Vinmec<\/title>\n<meta name=\"description\" content=\"T\u00e1i t\u1ea1o c\u00f9i r\u0103ng l\u00e0 s\u1ef1 b\u1ed5 sung nh\u1eefng ph\u1ea7n m\u00f4 r\u0103ng b\u1ecb m\u1ea5t b\u1eb1ng c\u00e1c v\u1eadt li\u1ec7u th\u00edch h\u1ee3p \u0111\u1ec3 t\u1ea1o s\u1ef1 v\u1eefng ch\u1eafc cho c\u00f9i r\u0103ng. 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