University of Zagreb. School of Dental Medicine. Department of Removable Prosthodontics.
Abstract
Nekarijesnim lezijama naziva se gubitak tvrdog zubnog tkiva koji nije povezan s karijesom. U tu skupinu patoloških promjena na zubima ubrajaju se abrazija, atricija, erozija i abfrakcija. Prevalencija takvih lezija na zubima visoka je i u stalnom porastu čemu pridonosi starenje populacije i životne navike pacijenata povezane s modernim načinom života. Zajedničke karakteristike svih nekarijesnih lezija su nepovezanost s karijesom, pojava u područjima bez plaka i često multifaktorska etiologija. Rana dijagnostika ključna je za određivanje pravilnih preventivnih i terapijskih postupaka, iako je često ispreplitanje uzročnih čimbenika razlog što je vrlo zahtjevna. Dobra i detaljna anamneza uz poznavanje etioloških čimbenika i njihova identifikacija kod pacijenata nadopunjena kliničkim nalazom najbolji je put do dijagnoze. Interakcije između različitih mehanizama trošenja vrlo su vjerojatne i česte. Njihov sinergistički učinak može dovesti do vrlo brzog i opsežnog gubitka tvrdih zubnih tkiva. Zbog porasta učestalosti nekarijesnih lezija nužna je dobra prevencija koja uključuje edukaciju pacijenata o pravilnoj prehrani, provođenju oralne higijene i topikalnu primjenu fluorida. Terapijski postupci koji se koriste za uklanjanje boli zbog dentinske preosjetljivosti, zaštitu i poboljšanje estetike preostalog tvrdog zubnog tkiva, uključuju desenzibilizaciju, restauracije kompozitnim materijalima ili staklenoionomernim cementom te izradu fiksnoprotetskih keramičkih nadomjestaka.Non-carious lesions are defined as a loss of dental hard tissue that is not associated with caries. This group of pathological conditions includes abrasion, attrition, erosion and abfraction. Prevalence of this type of tooth lesions is high and constantly increasing, with ageing population and life habits related to modern lifestyle as contributing factors. Common characteristics of all non-carious lesions are their incoherence with caries, emergence in plaque-free areas and their often-multifactorial etiology. Early diagnostics is the key for determining the right preventive and therapeutic procedures, although it is often demanding due to intertwining of the causal factors. Detailed anamnesis, knowledge about etiological causes and their identification in patients combined with clinical findings are the optimal path to correct diagnosis. Interactions between different mechanisms of tooth wear are probable and common. Their synergistic effect can lead to extensive and rapid loss of hard dental tissues. Increase of non-carious lesion incidence indicates the importance of effective prevention, including the education of patients about proper nutrition and performing oral hygiene as well as topical application of fluorides. Therapeutic procedures used for the purpose of eliminating the pain caused by dentine hypersensitivity, protecting and improving the aesthetics of the rest of tooth structure include desensitization, restoration with composite materials or glass ionomer cement and prosthetic rehabilitation with ceramic substitutes