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7/14/2019 i cng v phc hnh rng c nh (1)
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1 nh ngha:Phc hnh rng c nh (PHRC) l loi phc hnh rngc thc hin bao bc nhng thn rng b mt cht
ln, thay th nhng thn rng b mt hay phc hinhng rng b mt hon ton, loi phc hnh ny cgn cht vo rng bnh nhn m bnh nhn khng th ttho c.
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7/14/2019 i cng v phc hnh rng c nh (1)
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2 Mc tiu ca mt PHRC:
Chc nng
Thm mBn vng
Phng bnh
* Vt liu: PHRC c lm bng kim loi, s, nha,composite, kt hp kim loi vi s/nha/composite.
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7/14/2019 i cng v phc hnh rng c nh (1)
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3 Cc loiPHRC: Inlay: L vtcbng kim loihoc lmbng
s/composite nm trong lngmt hay nhiumtcathn rng dng trm mt xoang rng hay dng nngcho mtrngkcn (trong curngngtlc); inlaythng lm mt nhai, ngoi, trong hay mtnilinmt
nhai v cc mt khc.
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7/14/2019 i cng v phc hnh rng c nh (1)
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Phn loi: inlay c 5 loi ty theo v tr t:
Loi 1: Inlay mt nhai R ci
Loi 2: Inlay mt nhai kt hp mt bn Loi 3: Inlay mt bn R ca
Loi 4: Inlay mt bn kt hp cnh cn R ca
Loi 5: Inlay mt ngoi cc rng
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7/14/2019 i cng v phc hnh rng c nh (1)
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Onlay: Khi inlay m rng bao ph c mt nhai v haimt gn xa th c gi l onlay; onlay thng c sdng khi thn rng b mt cht qu nhiu, kh nng chulc km khng trm thm m hay dng inlay c
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7/14/2019 i cng v phc hnh rng c nh (1)
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Pinlay, Pinledge: L inlay kim loi c cc cht nh gnvo ng rng; rng ci gi l pinlay, rng ca v rngnanh gi l pinledge.
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7/14/2019 i cng v phc hnh rng c nh (1)
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Mo rng: L mt chp c hnh dng thn rng phc hiton phn hoc mt phn rng trn mt rng ring r saukhi rng ny c mi ton phn hoc mt phn ty theo
loi mo ch nh. Mo ton din: bao ph ton b cc mt ca thn rng;
c lm t kim loi, composite, s, sn kim loi phs/nha
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7/14/2019 i cng v phc hnh rng c nh (1)
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Mo tng phn: l phc hnh bng kim loi, bao ph mtca thn R lm sng (khng bo ph ton b thn R lmsng), ty s mt/din tch bao ph c cc loi: 3/4, 4/5, 1/2,
7/8
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7/14/2019 i cng v phc hnh rng c nh (1)
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Rng cht v ci gi: thn rng gi c mt cht di cgn vo ng chn rng ca mt chn rng cha tyCht thng: phn cht ca rng c lm bng kim loi
tin ch (lm sn), c gn vi thn rng ton bng nhahay s.
Cht Richmond: Phn cht c c theo hnh dng ngty, thn rng tng t cht thng
Ci gi: phn cht c c theo hnh ng ty, phn thnc c tng t ci R
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7/14/2019 i cng v phc hnh rng c nh (1)
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Curng:lloiphc hnh tngphncnh dng phchimt hay nhiurngmtbng cch dng cc
rngkcn cc rngmt lm tr mang gnh cc rnggi thay th cho rngmtCurngcgncht vo cc rngtrbng ciment v
bnh nhn khng tht tho ra c
Curng c cng dng duy tr snnh cho cung rng vmtphngnhai,phchichcnng nhai,pht m v thmm
Curng km thmmhnphc hnh tho lpnht l trong
trnghpmtrng lu,tiu xngnhiu
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7/14/2019 i cng v phc hnh rng c nh (1)
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Cc thnhphncacurng:Trcu: l mt thn/chn rngtht dng chngcho
cu
Phngi: lphncacurng bm gi trn rngtr v nivirngnhpcu; n c th l inlay, onlay, mo tng
phn/ton din, rngchtPhncu (nhpcu): lphn thay th cho cc rngmt, gip
phchichcnng v hnh th cc rngmt
Phnni: l phnnilinnhpcuviphngi, n c th l loicngchc (hn/cdnhvinhpcu vphngi) hoc khngcngchc (dng khangm, cn gi l cu
rngngtlc/bn c
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7/14/2019 i cng v phc hnh rng c nh (1)
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Phn loi cu rng:
Theo hnh dng v tnh cht:
Cu R c nh Cu R c R tr 2 u tn cng
Cu R c R tr trung gian
Cu R c nhp cu tn cng: cu vi
Cu R bn c nh (cu R ngt lc)
Theo v tr:
Cu R trc: t R nanh tr v trc
Cu R sau: t R ci nh 1 tr v sau Cu R hn hp: mt bn hay ton hm (>10 n v)
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7/14/2019 i cng v phc hnh rng c nh (1)
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b id )
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7/14/2019 i cng v phc hnh rng c nh (1)
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bridge)
Trong thi gian ch i hon thnh mt phc hnh, cc ci
rng cn c bo v v to cho bnh nhn s thoimi, d chu, vic lm cu rng tm s nh hng ti ktqu cui cng v to mt s tin cy i vi bnh nhn.
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7/14/2019 i cng v phc hnh rng c nh (1)
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Yu cu:Bo v ty rng v m rng
n nh ci rngDuy tr tm chc nng nhai v thm m
D gi v sinh
Cnh ca phc hnh tm khng c lm kch thch vinnu
C tnh lu gi v chc chn
Vt liu: Nha t cng
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7/14/2019 i cng v phc hnh rng c nh (1)
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Np c nh (fixed splint): l 1 loi phng tin (?) dng n nh, bo tn cc R lng lo/yu v phn phi u
lc nhai trn cc RCc cng dng khc:
Ci thin hnh dng v chc nng ca R
iu chnh khp cn, tng quan 2 hm
Ci thin chc nng n nhai
Cc loi np c nh:
Da trn khong mt rng: np 1 bn, 2 bn hm
Da vo thi gian dng: np tm thi (hng tun/thng),vnh vin (khng gii hn thi gian)
Da vo v tr t: np trong R (intracoronal splint
np ngoi R (extracoronal splint)
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7/14/2019 i cng v phc hnh rng c nh (1)
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7/14/2019 i cng v phc hnh rng c nh (1)
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4 Tm tt cc giai on thc hin mt PHRC
Chn on, xc nh, ly du s khi (lm sng)
mu s khi, lm KLDCN, lm PH tm (labo)
Sa son rng, ly du sau cng, ghi du tng quan nucn, gn PH tm (lm sng)
mu sau cng, v , ca die, gt die, v gi khp,lm mu sp, gn kim c, v bt c, c, hn nhng
thnh phn ring l ca cu R, nh bng tm, pnha/p s giai on ny hoc sau khi th, iu chnhtrn ming bnh nhn (labo)
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7/14/2019 i cng v phc hnh rng c nh (1)
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Th PH trn ming bnh nhn, iu chnh ng c R,giao cho labo sa nu cn (lm sng)
Sa cha (nu cn), hon tt v nh bng (labo)
Gn PH hon tt trn ming bnh nhn, ti khm theodi kim tra (lm sng).
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