1 PREPARING CEMENTS

2 INSTRUCTIONS FOR PREPARING POWDER PREPARING CEMENTS shake powder before use  shake powder before use  don‘t compress powder in the measuring scoop

3 PREPARING CEMENTS PREPARING CEMENTS Overfill the measuring scoop with powder and then remove surplus powder using the edge of the cut-off insert in the bottle neck.  Overfill the measuring scoop with powder and then remove surplus powder using the edge of the cut-off insert in the bottle neck. INSTRUCTIONS FOR PREPARING POWDER

4 PREPARING CEMENTS INSTRUCTIONS FOR PREPARING LIQUID  hold the bottle vertically when dosing liquid  to achieve optimum drop size, squeeze the bottle gently  any dried material must be removed from the dropper

5 MIXING RATIO PREPARING KAVITAN KAVITAN PRO 3,5g : 1g = 1 measuring scoop : 1 drop of liquid KAVITAN PLUS 2,7g : 1g = 1 measuring scoop : 1 drop of liquid KAVITAN CEM 1,4g : 1g = 1 measuring scoop : 2 drops of liquid

6  Place powder and liquid on a smooth disposable paper pad or a glass p late  add powder to liquid in 2 – 4 doses  mix powder and liquid using a plastic or stainless spatula at the shortest possible time (max. 30 – 45 s.)  Properly prepared cement is homogenous, flexible and non-adhesive material PREPARING KAVITAN

7 KAVITAN PLUS PREPARATION  MIXING TIME30 – 45 s  WORKING TIME2 – 3 min  MANIPULATING TIMEmin. 1:30 min  SETTING TIMEmin. 5 min KAVITAN PRO PREPARATION  MIXING TIME30 – 45 s  WORKING TIME 2 – 3 min  MANIPULATING TIMEmin. 1:30 min  SETTING TIME min. 4 min PREPARING KAVITAN

8  mixing ratio of KAVITAN LC: 1 measuring scoop of powder 2 drops of liquid  Add powder to liquid in 2 – 4 doses PREPARING KAVITAN LC

9  mixing time max. 30 – 45 sec  density of putty, bright finish PREPARING KAVITAN LC

s 3 min Mixing Working time Mixing Working time WORKING TIME WORKING TIME Polymerization Polymerization 20s 20s PREPARING KAVITAN LC

11 MIXING RATIO PREPARING ADHESOR Base Layers and Fillings a) Base Layers and Fillings 23 2,30g : 0,80g = 2 measuring scoops of powder : 3 drops of liquid MIXING TIME2 – 2:30 min WORKING TIME 4 – 4:30 min SETTING TIME6 – 7 min

12 MIXING RATIO PREPARING ADHESOR Fixed Bridge Bonding b) Fixed Bridge Bonding 25 1,40g : 0,80g = 2 measuring scoops of powder : 5 drops of liquid MIXING TIME1 – 1:30 min WORKING TIME 3 – 4 min SETTING TIME6 – 8 min

13 PREPARING ADHESOR  mix on a glass plate with stainless spatula at 23 ± 1 ºC (to prolong the working time, mixing at 20 ºC is recommended) 8 – 12 parts lumps  divide powder into 8 – 12 parts and gradually, slowly mix in to avoid lumps MIXING PROCEDURE

14 Mistakes in preparation  Incorrect dose of powder or liquid  Differing size of drop while measuring  Inadequate mixing of whole amount of powder into liquid  The dropper must be kept clean PREPARING CEMENT

15 PREPARING CEMENTS TIPS  Before turning the bottle to the vertical position, hold it at an angle of 45º to remove air bubbles

16 STORING CEMENTS  in a cold and dry place in a well sealed inner container  at temperature 5 ºC to 25 ºC  avoid temperature higher than 25 ºC !!! Seal the bottle and the jar carefully after withdrawing powder and liquid !!!!

17 Thank you for your attention!