
dentin banding agents

banderiser" banding agents anie kooda piluvabade resin padaarthaalu (american inglishlo "dentin banding agents" anie vraayabadataayi) dantha mishrama nimpe padaartham dentin mariyu enamel rendintikee kattubadi undela cheyadaaniki upayoginche resin padaarthaalu.
bandha agentlu tarachugaa konni asthira vahakalu mariyu acetone vanti draavakaalatoe kuudina methacrylatelu. avi paluchana monomerlanu kooda kaligi undavacchu. resin mishrama punaruddharanala saraina bandham kosam, dentin nuu polyacrylic aamlaalatoe condition chesi, smear poranu tolaginchaali, idhi dental bortho yaantrika chikitsa samayamlo srushtinchabadutundi mariyu dentin yokka collagen network ledhaa organic matricks loe kontha bhaganni bahirgatam chestundi. antukune resin hybrid pora anie pilavabadedaanni srushtinchaali (chekkadam dwara bahirgatamayye collagen netvarknu kaligi untundi mariyu antukune resinlo ponduparachabadutundi). eee pora dentin mariyu antukune resin madhya oka interfaces mariyu dantha punaruddharana yokka tudi naanhyata daani lakshanaalapai ekkuvagaa aadharapadi untundi. 
aadhunika dantha bandha vyavasthalu "moodu-dasala vyavastha" gaa vastaayi, ikkada echant, primer mariyu antukunevi varusaga vartinchabadataayi; "rendu-dasala vyavastha" gaa, ikkada echant mariyu primer ekakaalamlo vartimpajeyadaaniki kalapabadataayi; mariyu "oka-dasha vyavastha" gaa, ikkada anni bhaagaalanu mundugaa kalapali mariyu oke anuvartanamlo vartimpajeyaali (aarava taram bandha agentlu anie pilavabadevi).
danthamtho bandhamlo palgone rasayana prakriyalu.
smear pora mariyu dentine chekkadam tolaginchadam.
kuharam tayari phalitamgaa vachhe smear poranu tolaginchadaaniki mariyu intertubulary dentinnu paakshikamgaa demineralise cheyadam dwara dantha uparitalaanni maarchadaaniki dentin conditioning agentnu praarambhamlo upayogistaaru. eee paakshikamgaa deminerised dentin oka bolu paranjaga panichestundi, dheenini praimartho perfuse cheyavachu. dantaala atigaa teeyadam (alaage atigaa endabettadam) collagen network kuppakuuladaaniki daariteestundi, idhi primer chorabaatunu marinta savaluga chestundi. ayithe, sclerosed dentin aarogyakaramaina dentintho poliste dentin conditionerku ekkuva samayam bahirgatam kaavaali. konni dentin conditionerlalo gluteraldehyde anae rasayanam untundi, idhi collagen maatrikanu balopetam chestundi, daani patanaanni nirodhistundi.
konni saadhaarana dantha conditionerlalo ivi unnaih
dentin bandham.
dantha bandham elaa erpadutundi?
dentin bandham anedi resinnu conditioned dentintho bandhinche prakriyanu suuchistumdi, ikkada khanija bhaganni resin monomarlatho bharti chesi dentin collagen mariyu nayam chesina resinto kuudina bio kaampojitnu yerparustundi. antukune-dentin interfaces dentin mariyu mishrama resinla madhya gatti mariyu shaashwata bandhaanni yerparustundi.
idhi chekkadam mariyu geeyadam (mottam chekkadam) ledhaa sweeya-chekkadam antukune padaarthaala dwara saadhinchavachchu. chekkadam mariyu kadukkovadamlo, aamlam khanijalanu oka nirdishta lothu varaku karigistundi mariyu neetilo velaadadeesina atyanta randhraala dantha collagen netvarknu vadilivestundi. appudu, collagen network resin monomarlatho chorabadutundi. telikapati nivaarana dwara sakriyam cheyabadina eee monomerla rasayana polymerisation jarigina taruvaata, idhi saadhaaranamgaa hybrid pora anie piluvabade polymer-collagen biocomposite kuu daariteestundihi
charya yokka vidhanam krinda vivarinchabadindih
eah) dentinku aamlanni vartimpajeyadam valla smeer pora paakshikamgaa/puurtigaa tolaginchabadutundi mariyu dentin demineralisation avutundi.
bii) aamlam intertubular mariyu peritubular dentin nuu demineralise chestundi, aapai collagen fiberlanu bahirgatam chesetappudu dantha gottalanu terustundi, tadwara intertubular dentin yokka microporocity perugutundi.
sii) upayoginchina aamlam rakam, upayoginchina samayam mariyu yekagratanu batti dentin sumaru 7.5 micrometers varaku demineralise avutundi.
dii) primer vyavastha dentin yokka klishtamaina uparitala ottidini penchadaaniki roopondinchabadindi, idhi aamlam chekkina tarvaata taggutundi.
ii) bandham vidhanam eppudu
chekkadam mariyu podi antukune padaarthaala bandha balaanni penchadaaniki thema bandham saanketikata padepade choopabadindi, endukante neeru monomer interdifusion kosam collagen network yokka sachchidratanu samrakshistundi.      
hybrid pora.
daani unikini nakabayashi mariyu sahodyogulu gurtinchaaru, ikkada hybrid poralo demineralised intertubular dentin mariyu chorabadina mariyu polymerised antukune resin untundi.
hybrid pora hydrophobic, assid resistant mariyu kathinamainadi. erpadina hybrid pora yokka naanhyata resin dentin interfaces yokka balaanni nirnayistundi. hybrid pora mandamgaa mariyu marinta ekareetigaa marinappudu, bandham balam merugga untundi.
smear pora mariyu bandhamlo daani paatra.
smeer pora anedi uparitalam yokka akarbana uparitalampai avashesha akarbana mariyu sendriya bhaagaalanu kaligi unna sidhilaala poranu suuchistumdi. dantaala nirmaanam oka burr thoo tayaareeki gurainappudalla eee pora utpatti avutundi.
smer pora dantha gottala randhraalanu nimputundi, tadwara smer pluglanu yerparustundi. eee smear plugs dentin paaragamyatanu 90 saatam taggistaayi mariyu smeer plug matrame dantha gottaalaloki antukune resin chochukupovadaanni nirodhinchagaladu. smear pora yokka mandam 0.5-2 micrometer nundi mariyu smear plug kosam, 1 nundi 10 micrometer varaku untundi.
smeer pora saraina bandham erpadataaniki kontha muppunu kaligistundi. anduke daanni tolaginchaalsina avasaram undhi. udaaharanaku, etch-und-rins (mottam etch) antukune padaarthaala dwara bandham erpadataaniki mundu smear poranu tolaginchaalsina avasaram undhi.  idhi mandapati hybrid pora mariyu podavaina, dattamaina resin taglaku daariteestundi, idhi merugaina bandha balaniki daariteestundi.
dantha bandham kosam carrius verses sound dentin.
konni kshayam tavvakam paddhatulu kshayam-prabhaavita dentinnu bandha uparitalamgaa upayoginchadaaniki vadiliveyadaaniki daariteestaayi, ekkuvagaa paroksha pulp capinglo.
kshayam-prabhaavita dentinku takshana bandha balaalu dhwani dentin kante 20-50% takkuvagaa unnayani, mariyu kshayam-sokina dentintho kooda takkuvagaa unnayani nivedinchabadindi. kshayam yokka purogati dheenitho elaa sambandham kaligi untundi? modata, idhi khanija padaarthaalanu taggistundi, sachchidratanu penchutundi mariyu dantha collagen nirmaanam mariyu daani pampineeni kooda maarustundi. eee maarpulu dentin ii looni yaantrika lakshanaalalo gananeeyamaina taggudalaku kaaranamavutaayi.zii. kaatinyam, drudhatvam, tanyata balam, sthitisthaapakata yokka modulus mariyu endabettadam samayamlo kunchinchukupovatam, idhi hybrid pora lopala mariyu kinda dentin nuu addu saktula krinda bandhana vaiphalyaalaku gurayye avakaasam kaligistundi.
kshayam-prabhaavita dentin yokka takkuva khanija padaartham saadhaarana dentin kante bhaswaram aamlam ledhaa aamla monomerlanu matricksnu marinta lothugaa demineralise cheyadaaniki anumatistundi, dheeni phalitamgaa bahirgata collagen matrickslo marinta avashesha neeru erpadutundi.
resin-dentin bandhaanni elaa meruguparachaali?
thematho kuudina dentin.
dantha bandhaanni nirnayinchadamlo mukhyamaina karakallo okati collagen. dentin chekkabadinappudu, dantha nirmaanam nundi smear pora mariyu khanijalu tolaginchabadataayi, tadwara collagen fiberlanu bahirgatam chestundi. khanijalanu tolaginche praantaalu neetitho nindi untaayi, ivi collagen kosam plasticiserga panicheestaayi mariyu daanini vistarinchina mruduvaina sthithilo unchutaayi. dheeni ardham resin-dentin bandham kosam khaaliilu samrakshinchabadataayi. ayithe, eee collagen fibers podi sthithilo kuulipoevachchu mariyu matricks yokka sendriya pora vikruteekarinchabadithe, idhi resin dentintho bandhinchadaaniki addukuntundi mariyu hybrid poranu yerparustundi.
eee kaaranamgaa, dentin bandhaanni vijayavantamgaa saadhinchadaaniki thema ledhaa tadi dentin undatam avasaram. primerlalo ethanol ledhaa acetone vanti neetilo kalise sendriya draavakaalu undatam dheeniki kaaranam. acetone neetilo adugu pedutundi, anduvalla merugaina micromechanical bandham kosam dentinloki monomerla chochukupovadaanni meruguparustundi. alaage, neeru collagen fibers koolipokunda nirodhistundi, tadwara resin mariyu dentin madhya merugaina chochukupovadam mariyu bandham erpadutundi.
thematho kuudina dentin pondadaaniki, echantnu kadigina tarvaata sampeedana gaalitho dentinnu endipokudadani salaha istaaru. badulugaa, adhika parimaanamlo taralimpu chuushanhanu adanapu neetini tolaginchadaaniki upayoginchavacchu, aapai gajugudda ledhaa pattini upayoginchi dentinpy unna migilina neetini tudichiveyavacchu. dentin uparitalam merustuu kanipinchaali.
dentin uparitalam chaalaa tadigaa unte, neeru resin primernu paluchana chestundi mariyu collagen networklo unna pradaesaala kosam pootii chestundi, idhi hybrid pora erpadataanni nirodhistundi.
dentin uparitalam chaalaa podigaa unte, collagen fibers mariyu demineralised dentin kuppakooladam sambhavinchavachhu, idhi takkuva bandha balaniki daariteestundi.
application samayamlo hydrophilic primer ledhaa antukune padaartham yokka kadalika.
taginanta dantha temanu kaligi undatame kakunda, rendu-dasala chekkadam mariyu-ruddadam antukune padaarthaalanu vartimpajesetappudu primerla kadalika demineralised collagen fibers loki saraina chochukupovadaniki keelakam kaavacchu. idhi antukune mariyu hybrid poralalo avashesha neeti aaviriki kooda sahaayapadavachhu, tadwara naano leekejeeni nivaarinchavacchu.
clinical triallo etuvanti ruddadam charyanu upayoginchakundaa prime & baand enti paniteerunu polchadam, swalpa ruddadam charya mariyu enn. sii. sii. els punaruddharanalo saktivantamaina ruddadam charya, balamaina ruddadam charya samuuhamloo punaruddharanala yokka <ii. dii. 1> 24 nelala clinical seva tarvaata nilupukunnatlu kanugonabadindi. itara rendu samuuhaalaku, punaruddharana yokka nilupudala raetlu 82.5% vadda konchem takkuvagaa unnaayi.

