Black's classification

Question 1

class I

Answer 1

• found on anterior and posterior
• anterior lingual, pits and fissures
• posterior occlusal, buccal, lingual

Question 2

class II

Answer 2

• posterior teeth only

- needs a mesial and/or distal

Question 3

class III

Answer 3

• anterior teeth only
• needs a mesial and/or distal
• does not include incisal edge

Question 4

class IV

Answer 4

• anterior teeth only

- needs a mesial and/or distal and incisal

Question 5

class V

Answer 5

• has to include a cervical

- buccal or lingual

Question 6

class VI

Answer 6

• incisal edge of anterior
• occlusal surfaces of posterior (cusp tips)
• abrasion (wear) and defects
• produced by wear
• ex: 4-6 buccal cusp pits