Table 3.

Case attributes characterising a given tooth of a patient.

Case attributes number	Attribute	Value
31	Tooth number	1–32
1	Patient number	Real number
32	Restoration date	Date
33	Restoration longevity	Date
34	Restoration type	Amalgam/composite
35	Restoration level	Sample (1–3), composed (4–7), or complex (8–10)
36	Failure fracture of restoration	Yes/no
37	Failure from fracture of dt	Yes/no
38	Failure from accident	Yes/no
39	Failure from caries	Yes/no
40	Aesthetic importance	Yes/no
41	Restoration date	Date
42	Restoration longevity	Date
43	Restoration type	Amalgam/composite