Clinical steps:
• Mixing of the rubber base impression material.
• Condensation silicon medium consistency rubber (Base paste - Catalyst paste).
• According to manufacturer instructions apply equal lengths from base and catalyst on the glass slab or mixing pad.
• Start mixing using a mixing spatula until obtaining homogenous color of the mixed materials.
• Load the tray with the impression material using the spatula or wax knife.
• Distribute the material well to the impression surface& borders of the tray.
• Insert the tray inside patient mouth from side to side& hold it with index and middle fingers of the other hand.
• Start border molding of labial, buccal flange & the posterior palatal seal area.
• Hold the tray steady until complete setting of the impression material.
• After complete setting of the impression material remove the impression from the patient mouth. Break the seal if the is a difficulty to remove it.
• Suction sound must be heard during impression removal.
• Pressure areas can be corrected by relief of the compound on borders or the fitting surface of the tray then take an overall impression wash.
• Review the anatomical landmarks of the impression, disinfect it and send it to the lab.
#step_by_step_complete_denture_making
Негізгі бет 17- Final impression of upper arch. Part 3: Making the wash impression
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