Sensitivity and Tooth Whitening Agents

Abstract

Of the products tested, all produced similar change in shade tab value, none were sensitivity free, but NiteWhite Excel 2Z and Rembrandt Xtra-Comfort did not produce thermal sensitivity.

Attitudes of Students of Different Schools of University of Zagreb on Tooth Bleaching

“…Među neželjenim posljedicama koje se najčešće pojavljuju tijekom postupka izbjeljivanja ili neposredno nakon toga jest preosjetljivost zuba (8,11,13). Očituje se kao prolazna, bolna senzacija u zubu koja potpuno nestaje za dva do tri dana (13,14,27,28). Naime, tijekom procesa izbjeljivanja slobodni kisikovi radikali iz vodikova peroksida penetriraju kroz caklinu i dentin do pulpe gdje uzrokuju reverzibilni pulpitis.…”

“…Prema klinički provedenom istraživanju Matisa i suradnika, takva bol je treći dan nakon izbjeljivanja na vrhuncu intenziteta jer je tada najveća koncentracija slobodnih kisikovih radikala unutar pulpe. Paste za desenzibilizaciju koje sadržavaju kalijeve soli i sredstva za zatvaranje dentinskih tubulusa, poput amorfnog kalcijeva fosfata, koriste se za ublažavanje preosjetljivosti (28). Iritacija desni pojavljuje se kao nuspojava pri profesionalnom izbjeljivanju pod nadzorom stomatologa (in office bleaching) zbog popuštanja gingivalne barijere, ili zbog neadekvatnih udlaga u koje se aplicira sredstvo za izbjeljivanje tehnikom izbjeljivanja koja se provodi kod kuće (at home bleaching) (29,30,31).…”

“…Many desensitizing dentifrices contain potassium salts, which are believed to reduce the excitability of the intradental nerves and they should be more effective than tubule-occluding agents such as amorphous calcium phosphate (ACP). On the other hand, ACP may increase the mineral density of enamel hardening (28). Gingival and soft tissue irritation is also a common, but temporary side effect.…”

“…No clinical studies or case reports in the literature have documented macroscopically or clinically visible damage due to vital bleaching or clinically relevant tissue destruction (17). Tooth sensitivity can occur during or after the bleaching treatment (8,11,13) and it is considered a transient painful sensation which usually completely disappears in two to three days (13,14,27,28). Pain and sensitivity can be explained by the irritating effect of hydrogen peroxide on the pulp cells because the molecules of hydrogen peroxide can penetrate to the pulp through enamel and dentin.…”

Comparative Efficacy of Experimental Solutions in Occluding Dentin Tubules: Calcium Phosphate Based and Oxalate-Based Solutions

“…DH is one of the most commonly encountered clinical problems with a prevalence rate up to 57% in adults [3]. Noteworthy, a rising incidence of DH in young adults due to increases in consumption of acidogenic diets and tooth whitening products, dental erosion, bruxism and orthodontic procedures, has raised further concerns in dental professionals [4][5][6][7].…”