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EXTENSIVE AMALGAM RESTORATION
COMPLEX AMALGAM RESTORATION
TOPIC: COMPLEX AMALGAM RESTORATION:
This type of restoration is called an_OR_
auxiliary retention
An amalgam restoration in which one or more cusps are reconstructed, in combination with any form of _
missing tooth structure
fractured
caries
restorative material
An amalgam restoration used to replace _ of existing teeth that has been _or severely involved with_ or an existing_
CAVITY PREPARATION designed to PROVIDE ADEQUATE RETENTIVE and RESISTANCE FORM.
The key to success of a complex amalgam restoration is the_(Summit, et al, 2006)
1. PRESENCE OF A VERTICAL WALL
2. PLACEMENT OF GROOVES, SLOTS, or PINS
This will provide the adequate/needed resistance and retention
Since the walls and portions are lost, it is necessary for the preparation to have the following characteristics: