Z Kovac

Back to photo gallery Serbia & Montenegro

Slika 1. Pakovanje Multilink Automix sistema novije generacije

Slika 2. Probne paste za cementiranje

Slika 4. Nanošenje pomešanog Multilink Primera A/B na gleđ i dentin

Slika 5. Restauracije koje nisu prethodno tretirane u laboratoriji moraju se isprati vodenim mlazom i osušiti nakon postupka probe u ustima.

Slika 6. Na površinu restauracije nanosi se Monobond Plus tokom 60 sekundi

Slika 7. Nanošenje Multilink Automix cementa na nadoknadu

Slika 8. Stvrdnjavanje svetlom

Slika 9. Stvrdnjavanje svetlom

Slika 10. Odstranjivanje viška cementa.

Slika 11. Završna obrada nadoknade

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Content you may be interested in:

September 25, 2019 | News

Saradnja među zdravstvenim radnicima može biti od pomoći u smanjenju pojave karijesa

LIMA, Peru: U nedavno objavljenom istraživanju naučnici su radili na razvoju integrisanog programa za redukciju pojave karijesa i smanjenje težih oblika juvenilnog karijesa kod male dece. Ovaj program je obuhvatio srednje medicinsko osoblje i stomatologe koji su prošli obuku pre početka kliničkog istraživanja. Rezultati ovog istraživanja pokazuju značajno smanjenje pojave karijesa uz dobru saradnju zdravstvenih radnika, što je ujedno i poziv stomatolozima i zdravstvenim radnicima da tome posvete pažnju.

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June 14, 2019

Digital bone augmentation in posterior mandibles: A retrospective CBCT study and proposal of a 2-step bone augmentation protocol

The objective was to analyze bone resorption patterns in posterior mandibles and the dimensions of their corresponding digital bone grafts. This could allow the fabrication of bone grafts with standardized dimensions that can be applied in the majority of clinical cases. Cone beam computed tomography scans (n = 120) were analyzed to evaluate the frequency of Cawood and Howell (C&H) classes. The most frequent class needing bone augmentation was virtually regenerated using specific software. Dimensions of the grafts were calculated. Class V was the most frequent atrophic class needing augmentation in posterior mandibles (20.4%). Severe atrophic stages were more frequent in females (adjusted P value = 0.001), in older people (adjusted P value = 0.31) and in the right mandible (adjusted P value = 0.03). After virtual regeneration of Class V cases (n = 36), 3 clusters based on the number of missing teeth were evident. The mean length of the grafts was 20 mm when 2 teeth were missing (reference), 23.9 mm in the case of 3 missing teeth (P < 0.001) and 29.6 mm for 4 missing teeth (P < 0.001). Height and width were comparable across the 3 clusters (P-values = 0.39–0.93). The mean graft volume was 1,469 mm3 in the case of 2 missing teeth (reference), 1,814 mm3 for 3 missing teeth (P = 0.001) and 2,177 mm3 for 4 missing teeth (P < 0.001). These volumes corresponded to those of soft-tissue expanders, suggesting the possibility of a 2-step augmentation protocol: soft-tissue expansion, followed by regeneration with prefabricated grafts of the corresponding volume. Class V was the most frequent resorption pattern requiring augmentation in posterior mandibles. Virtual regeneration revealed 3 clusters of grafts, differing only in length based on the number of missing teeth. A 2-step augmentation protocol is proposed using soft-tissue expanders and prefabricated grafts with corresponding volumes. This protocol might be more applicable in the right mandible, females and older patients. Keywords Mandible; alveolar bone grafting; bone graft; cone beam computed tomography; soft-tissue expansion.

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March 21, 2019

Does the cleaning method after air abrasion with different particles affect the zirconia bond strength?

Yttria-stabilized tetragonal zirconia polycrystal (Y-TZP) is a ceramic material that has been widely used in clinical practice owing to its attractive proven mechanical properties and biocompatibility. Since zirconia is a chemically inert material, different surface treatments can be performed to increase its bonding to resin-based cements. Air abrasion with alumina or silica-coated alumina particles is one of the most common and simple procedures used to improve micromechanical interlocking between zirconia and resin-based cements. These particles are deposited on the surface, which differ chemically from one another, and participate in the chemical bond that occurs at the zirconia–resin cement interface.

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