Dx and Tx planning

Question 1

Aim of ortho tx

Answer 1

Position dentition within Sk. and ST environment for optimal facial, dental aesthetic
- stable, ideal, static and fx occlusion

Question 2

Subjective (aesthetic) criterias

Answer 2

1) Macro
2) Mini
3) Micro

Question 3

What is Macro aesthetics

Answer 3

Facial and soft tissue aesthetics

• Cl. I m/o cannot be achieved in expense of ST profile
• size of nose, chip, impt to lip prominence
• extend of sk discrepency
• communication

Question 4

What is mini aesthetics

Answer 4

Improving smile framework:
1) vertical tooth-lip rs: at least 75% Ui show (F>M) KIV intrusion/extrusion of Ui, gingival recontouring in overgrowth

2) transverse dimension: broad smile
3) smile arch: vary bracket bonding, acct of indiv variations re lip position, incisor wear
4) symmetry: diff in crown ht on either side, asymm exo, gingival contours, cant

Question 5

What is micro aesthetics

Answer 5

Enhancing appearance of tth:

• reshape
• tooth proportions
• black triangle

Question 6

5 classifications of malocclusion + evidence

Answer 6

Ackerman & Proffit (1960)

1) Dentofacial appearance
2) Teeth/Arch form - alignment, symm, crowding, proclination
3) Transvere - sk rs, crossbite
4) AP - sk and dental, yaw
5) Vertical - AOB, deepbite, uni or bilateral, Sk/dental