Deep Bite and Arch Deficiency

Updated: Mar 10

Class II DIV II with deep bite and arch deficiency

Patient details Age: 28 years old Gender: Female Chief complain: crowding in upper and lower teeth – shy smile


Diagnosis

  • Class II Div II

  • Deep bite (5 mm)

  • Moderate crowding in upper arch (7 mm)

  • Moderate crowding in lower arch (6mm)

  • Midline shift (3 mm)


Treatment planning Number of aligners: Upper: 36 aligners (3 phases) and 10 refinement (2 phase refinements) Lower: 28 aligners (3 phases) and 6 refinement (1 phase refinement) Total treatment: 18 months


Treatment objective

  • Align upper and lower teeth

  • Achieve class I molar and canine relationship

  • Midline shift correction

  • A stable Overjet and overbite

  • Correct the deepbite

  • Expansion in upper arch bilaterally and uprightning of buccal segments in lower

  • Decrowding through aid of IPR

  • Class II elastics where used for the last 5 months

  • Improve the Overjet and overbite

  • Torquing the front segments at end of treatment with the aid of ball forces


Results and conclusion posttreatment

Double retention was used at end of treatment.


Retention

Double retention was used at end of treatment.


Patient Photos





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