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WorksheetsClass 1 preparation for amalgam
Total questions: 10
Worksheet time: 5mins
Identify class 1 carious lesions
State types of class 1 cavities
simple
compound
complex
buccal/palatal pit
Name two and three surface class 1 cavities
occluso-lingual
occluso-buccal
occulso-bucco-lingual
disto-lingual
How does caries start?
demineralization
remineralization
discolouration
fracture
How deep should you prep the tooth on the typodont?
1.5 - 2.0 mm
2.0 - 2.5 mm
1.0 - 1.5 mm
2.5 - 3.0 mm
Identify these teeth
upper molars
lower molars
upper premolars
lower premolars
Resistance form is the shape of the cavity prep to prevent
fracture of the restoration
fracture of the tooth
lateral displacement of the restoration
vertical displacement of the restoration
How is amalgam retained in the tooth?
mechanical lock
convergence
divergence
single bond
What is retention form?
Form/design in the prep that will prevent the restoration from dislodgement in a vertical direction
Form/design in the prep that will prevent the restoration from dislodgement in a horizontal direction
Form/design in the prep that will prevent the restoration from dislodgement in a mesial direction
Form/design in the prep that will prevent the restoration from dislodgement in a distal direction
Convenience form is__________________________________
enough space to allow inspection
enough space to allow manipulation of instruments
enough space for cavity toilet
enough space for occlusion
