front 1 Is it rigid or elastic? | back 1 Rigid |
front 2 Is it reversible or irreversible? | back 2 Irreversible |
front 3 Its set due to____ | back 3 Chemical change |
front 4 Count its uses. | back 4
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front 5 Why do they use Zinc oxide eugenol for Bitting registration paste? | back 5 Becuase it has a short setting time |
front 6 Why do they put plasticisers on zinc oxide eugenol when they use it for Bite registration? | back 6 To prevent it from sticking to the tissue |
front 7 In what form do they provide zinc oxide eugenol? | back 7 Two paste tubes: 1)base(White zinc oxide) 2)catalyst(eugenol) |
front 8 How many types of zinc oxide eugenol are there? | back 8 Type: I)hard II)Soft |
front 9 How thick is the paste? | back 9 1mm |
front 10 Why should the amount of the two pastes be the same? | back 10 To not change the setting time |
front 11 How long should the mixing be? | back 11 30-40sec |
front 12 Define working time | back 12 Its the amoint of time needed to mix the pastes, pour it in the tray and seat the tray in the mouth of the patient |
front 13 What do you use to mix the two pastes? | back 13 A mixing pad and a spatula |
front 14 The initial setting time of Type I is ___min, and the final setting time for Type II is ___ while the initial setting time for type II is and the final setting time fornType I is ____ | back 14 3-6, 15, 3-6, 10 |
front 15 What type of tray is used with zinc oxide eugenol? | back 15 Special tray(they are trays made from the primary impressions of the patient) |
front 16 How to increase the setting time of zinc oxide eugenol? | back 16
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front 17 How to decrease the setting time of zinc oxide eugenol? | back 17
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front 18 What are the properties of zinc oxide eugenol? | back 18
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front 19 Advantages of zinc oxide eugenol | back 19
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front 20 Disadvantages of zinc oxide eugenol | back 20
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