Skills

Question 1

Class I Ideal Occlusion

Answer 1

• MB Cusp of Upper 1st molar –> B groove of Lower 1st molar (</= 1mm)
• Correct Line of Occlusion

Question 2

Class I Malocclusion

Answer 2

• MB Cusp of Upper 1st molar–> B groove of Lower 1st molar (</= 1mm)
• incorrect Line of Occlusion: Malposed teeth, rotated

Question 3

Class II Malocclusion

Answer 3

MB Cusp of Upper 1st molar is Mesial to Lower 1st molar (> 1mm)
* Half Step: Over the lower 1st molar MB cusp
* Full Step: Embrassure space b/w lower molar & premolar

Division 1: Everything else
Division 2: Laterals are proclined; Centrals are retroclined

Question 4

Class 3 Malocclusion

Answer 4

MB Cusp of Upper 1st molar is DISTAL to Lower 1st molar

Question 5

Canine Classification

Answer 5

Class 1:
* Upper K9 in Distal Emrassure of Lower K9

Class 2:
* Half Step: Upper K9=Lower K9 Cusp Tip
* Full Step: Upper K9 in M embrassure of Lower K9

Class 3:
* Upper K9=Lower Premolar Cusp Tip