Jurnal Satu Lagi

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J Conserv Dent. 2014 May-Jun; 17(3): 261265.do: 10.4103!0"72-0707.1317"1

#MC$D: #MC40563""

The effect of different beverages on surface hardness of nanohybrid resin composite and

giomer

%a&a 'antanu* +oon,ert uattraoon*1Cant/a %rorananon*aanda

rnrasert*atu Mettasttorn*%a,n,a treeda* and %u,aan aesana

utor n8or/aton 9rt,e notes 9Coyrt and ense n8or/aton 9

Abstract

INTRODUCTION

anoyrd resn o/oste* te neest resn o/oste restoratve /atera,* s eo/n

ou,ar eause t o/nes ysa,* /eana,* and estet roertes. $t nororates a

vo,u/e 8raton o8 8,,er art,es t a de art,e se dstruton (5-100 n/).< 1=

'e o/ressve and da/etra, strent* and te 8rature resstane o8 te nanoyrd resn

o/oste s e>uva,ent to or er tan tose o8 oter o/ostes (yrd* /royrd* and

/ro8,,ed-resn o/oste).


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8e o8 te studes reorted e88ets o8 a,e der* orane &ue* Coa-Co,a* o88ee* and eer on

sur8ae ardness o8 nanoyrd resn o/oste and o/er. $n addton* te revous

studes


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+everaes used n te resent study

'o deter/ne ttrata,e adty (u88ern aaty)*ua,,ysaed over a r,e* ere /ade on te sur8ae o8 ea se/en.

8ter tat* at roo/ te/erature (aout 25IC)* te se/ens ere a,ternate,y //ersed n 25

/ o8 a everae 8or 5 s and n 25 / o8 art8a, sa,va 8or 5 s 8or 10 y,es.


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%ur8ae /roardness va,ues ere tested 8or sn8ant d88erenes (at K L 0.05) usn to-

ay ana,yss o8 varane (H) t reeated /easure/ent* 'ueys onest,y sn8ant

d88erene (%D)* and a t-test 8or /u,t,e o/arsons.

?o to:

RE!UT!

'e /ean and standard devatons (%Ds) and ttrata,e adty o8 everaes t 1 /o,!

a s son n'a,e 3. 'e /roardness va,ues o8 te /atera,s used e8ore and a8ter

//erson are reorted n 'a,e 4.

Tab#e '

'e /ean and standard devaton (%D) and ttrata,e adty (vo,u/e o8 a (/) to

rn te to 5.5* 7.0* and 10.0) n everaes tested

Tab#e (

Mean /roardness and standard devatons (%Ds) o8 /atera,s tested //ersed n d88erent

everaes at d88erent t/es

%FM oto/roras o8 te nanoyrd resn o/oste and o/er* e8ore and a8ter te

2E day o8 //erson erod n te d88erent everaes* are resented n ures
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC4056399/?report=classichttp://www.ncbi.nlm.nih.gov/pmc/articles/PMC4056399/table/T3/http://www.ncbi.nlm.nih.gov/pmc/articles/PMC4056399/table/T3/http://www.ncbi.nlm.nih.gov/pmc/articles/PMC4056399/table/T4/http://www.ncbi.nlm.nih.gov/pmc/articles/PMC4056399/figure/F1/http://www.ncbi.nlm.nih.gov/pmc/articles/PMC4056399/?report=classichttp://www.ncbi.nlm.nih.gov/pmc/articles/PMC4056399/table/T3/http://www.ncbi.nlm.nih.gov/pmc/articles/PMC4056399/table/T4/http://www.ncbi.nlm.nih.gov/pmc/articles/PMC4056399/figure/F1/


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ures1 1andand2*2* resetve,y. 'e Coa-Co,a rou rodued te rouest se/en

sur8ae.

)igure $

%annn e,etron /rosoy (%FM) oto/roras o8 nanoyrd resn o/oste

(N300): (a) +e8ore //erson () a8ter //erson n a,e der () orane &ue (d) Coa-Co,a* (d) o88ee* and (e) eer

)igure %
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC4056399/figure/F1/http://www.ncbi.nlm.nih.gov/pmc/articles/PMC4056399/figure/F2/http://www.ncbi.nlm.nih.gov/pmc/articles/PMC4056399/figure/F2/http://www.ncbi.nlm.nih.gov/pmc/articles/PMC4056399/figure/F2/http://www.ncbi.nlm.nih.gov/pmc/articles/PMC4056399/figure/F1/http://www.ncbi.nlm.nih.gov/pmc/articles/PMC4056399/figure/F2/


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%FM oto/roras o8 o/er (N300): (a) +e8ore //erson () a8ter //erson n a,e

der () orane &ue (d) Coa-Co,a (d) o88ee* and (e) eer

DI!CU!!ION

Mroardness va,ues o8 a,, rous dereased 8ro/ te nta, ee o8 //erson unt, teend o8 te 2E days erod and te reatest ane n ardness son ourred tn te 8rst

7 days. 'e se/ens ere not e@osed to any /eana, 8ores so any oserved ane n

ardness ou,d e 8ro/ a e/a, reaton or dsso,uton. 'e dereasn n /roardness

re,ated to te and te ttrata,e adty o8 everaes as seen 8ro/ %FM oto/roras.

ordn to te %FM resu,ts o8 ts resent study* ot /atera,s tested ea/e rouer

a8ter soan n te everaes. +eaut8, $$ o/er ea/e rouer tan te #re/se resn

o/oste* eause averae 8,,er art,e se o8 +eaut8, $$ s 0.E // and #re/se s 0.4

//. 8ter soan n te everaes* ds,ode/ent o8 8,,er art,es resu,tn n +eaut8, $$

o/er ea/e rouer tan te #re/se resn o/oste.

Coa-Co,a s a ou,ar so8t drn t te ,oest a/on te everaes n te resent

study. 8ter //ersn te se/ens n te everaes* Coa-Co,a rodued te rouest

sur8ae. $t as een reorted tat a ,o n ad 8ood and drn ndues erosve ear n

/atera,s.


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1. +eun %* ?,oreu@ '* Devau@ J* Hrevena J* e,ou ?. Carateraton o8 nano8,,ed

o/ared to unversa, and /ro8,,ed o/ostes. Dent Mater. 2007;23:51".


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16. Coo/es J%. %orts drns and denta, eroson. / J Dent. 2005;1E:1014.

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