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Svrha: Epidemiološka istraživanja u mnogim zemljama pokazuju neravnomjernu raspodjelu oralnih bolesti u populaciji – primarno karijesa, te je zato glavna svrha ovoga presječnog istraživanja bila dobiti relevantne podatke oralnog statusa populacije u Kninu i okolici određene prema smjernicama SZO-a. Ispitanici i metode: U istraživanje je bilo uključeno 414 ispitanika u dobi od 18 do 65 godina. Zabilježeni podatci uključivali su opću anamnezu, ekstraoralni status, status oralne sluznice, status temporpomandibularnih zglobova, zubni, parodontni i protetski status, te jesu li potrebni restaurativni zahvati. Obavljena je i usporedba među različitim grupama, ovisno o dobi, spolu, stupnju obrazovanja i podrijetlu. Rezultati: Prosječno je KEP indeks bio 17,3, zatim 1,7 – karijes, 6,2 – ispuni i 9,4 – ekstrahirani zubi. SIC indeks iznosio je 26,4. Razlika je bila značajna u grupama prema dobi i stupnju obrazovanja (p < 0,001). Postotak osoba s najvišim zbrojem CPI-a od 0 do 4 bio je 27,3, 16,9, 36,5, 16,4, i 2, 2,9 posto. Razlika između dobnih grupa u CPI vrijednostima bila je statistički značajna, a razlika ovisno o spolu i podrijetlu nije bila značajna (p = 0,001). Zaključak: Populacija u Kninu i okolici ima vrlo loš oralni status, najvjerojatnije zbog posljedica rata 1990-ih godina i ekonomske tranzicije te zato što nema nacionalnog programa za promicanje oralnoga zdravlja., The aim: Epidemiologic studies in many countries show uneven distribution of oral diseases (primarily caries) within the population. This is why more studies are oriented towards specific regions or subpopulations instead of large scale national surveys. The major purpose of this cross sectional study was to obtain relevant data about the oral status of the population of Knin and its surroundings according to the WHO criteria. Subjects and methods: The study included 414 participants aged between 18 and 65. The recorded variables included general anamnestic data, extraoral status, oral mucosa status, temporomandibular joint status, dental, periodontal and prosthetic status, and the need for dental restoration. The comparison between different groups regarding age, gender, educational level and origin was made. Results: DMFT index was 17.3 – with on average 1.7 caries, 6.2 fillings, and 9.4 teeth extracted. SiC index equaled 26.4. The difference was significant regarding the level of education and age (p

Svrha: U ovom se istraživanju ispitivao antibakterijski učinak dvaju materijala za retrogradno brtvljenje korijenskog kanala testom bakterijske difuzije agara. Materijali i postupci: Ploče krvnog agara inokulirane su zasebno bakterijama Streptococcus mutans, Streptotoccus mitis, Lactobacillus acidophilus, Staphylococcus aureus i Enterococcus faecalis te polimikrobnom suspenzijom od svih testiranih bakterija. Na inokulirane ploče bili su raspoređeni uzorci materijala i nakon 48 sati inkubacije očitane su zone inhibicije (ZI) u milimetrima promjera. Rezultati: Najsnažniji antibakterijski učinak MTA je pokazao kod bakterije Streptococcus mutans (ZI =7,6 mm, s.d. 1,0), zatim prema Streptotoccus mitis i Lactobacillus acidophilus (ZI=7,3 mm, s.d. 0,5). ZI za Enterococcus faecalis iznosio je 5,6 milmetara, s.d. 0,7, a za polimikrobnu suspenziju 5,3 milimetra, s.d. 1,0. Jedina bakterija na koju MTA nije imao antibakterijski učinak jest Staphylococcus aureus. Amalgam nije pokazao antibakterijski učinak na ni jednu ispitivanu bakteriju. Zaključak: MTA je pokazao antibakterijski učinak prema četiri od pet ispitivanih bakterija i polimikrobnih suspenzija, a amalgam nije inhibirao rast ni jedne testirane bakterije., The purpose of this study was to evaluate the antibacterial effect of root-end filling materials, MTA and amalgam, by agar diffusion test. Materials and methods: Blood agar plates were inoculated with bacteria Streptococcus mutans, Streptococcus mitis, Lactobacillus acidophilus, Staphylococcus aureus and Enterococcus faecalis each, and a polymicrobial suspension consisting of all the tested bacteria. Material samples were divided among the inoculated plates, and after 48 hours of incubation, the diameters of the inhibition zone (IZ) were recorded. Results: The strongest antibacterial effect of MTA was against Streptococcus mutans (IZ = 7.6 mm, sd 1.0), followed by Streptococcus mitis and Lactobacillus acidophilus (IZ = 7.3 mm, sd 0.5). The inhibition zone (IZ) for Enterococcus faecalis was 5.6 mm (sd 0.7), and for the polymicrobial suspension 5.3 mm (sd 1.0). Staphylococcus aureus was the only bacteria MTA did not show any antibacterial effect against. Amalgam showed no antibacterial effect against any of the bacteria tested. Conclusion: MTA showed antibacterial effect against 4 of 5 tested bacteria and the polymicrobial suspension, while amalgam did not inhibit the growth of any of the bacteria tested.

Preddiplomsko obrazovanje mijenja percepciju oralno-zdravstvenih i oralno-higijenskih navika i stajališta studenata stomatologije. Svrha istraživanja bila je usporediti te navike i stajališta studenata četvrte godine Stomatološkog fakulteta i njihovih kolega s iste godine na ostalim fakultetima Sveučilišta u Zagrebu, kako bismo odredili opseg i važnost mogućih razlika. Ispitanici i postupci: Sudjelovao je 151 student obaju spolova i to 79 sa stomatologije (četvrte godine) i 72 s ostalih fakulteta (četvrte godine). Svi su odgovorili na 21 pitanje iz prilagođenog upitnika prema Špalju o oralno-higijenskim navikama i stajalištima. Podaci su nakon toga statistički analizirani programskim paketom SPSS ver. 16,0. Rezultati: Rezultati su pokazali da postoji razlika između dviju skupina te da studenti stomatologije imaju bolje oralno-higijenske navike i bolja oralno-zdravstvena stajališta od kolega s ostalih fakulteta. Bili su bolje podučeni u tehnici četkanja zuba, zube češće četkaju, koriste se dodatnim sredstvima za održavanje higijene, rjeđe imaju probleme s krvarenjem gingive te posjećuju stomatologa češće nego njihovi kolege s drugih fakulteta. Zaključak: Zbog svjesnosti o problemima oralnoga zdravlja i većeg znanja o preventivnim mjerama, studenti stomatologije mogli bi pozitivno pridonositi oralnom zdravlju svojih pacijenata i kolega i to ne samo educirajući ih, nego i vlastitim primjerom., Undergraduate dental education changes students’s perception of oral health, as well as oral hygiene habits and attitudes. Aim of this study was to compare oral hygiene and oral health habits and attitudes between 4th year students of dental medicine and 4th year students of other faculties of University of Zagreb in order to determine the possible extent and significance of differences. Material and Methods: Total number of subjects was 151 which included 79 dental students (4th year) and 72 students of other faculties (4th year) of University of Zagreb, of both genders. Modified oral hygiene habits and attitudes questionnaire according to Špalj consisting of 21 questions was used. Data were statistically analyzed using SPSS ver. 16.0 software. Results showed difference between two groups, where dental students had better oral hygiene habits and better oral health attitudes compared to their colleagues from other faculties. Dental students were better instructed in brushing techniques, brush more often, use additional means of oral hygiene, have lesser prevalence of gingival bleeding and visit dentist more often then their colleagues from other faculties. Conclusion: Because of greater awareness of oral health problems and improved knowledge on preventive measures, students of dental medicine could positively contribute to the oral health of their patients and their colleagues by education, but also by their own example as a role – model.