Invisalign before and after extreme cases

Clear aligners can improve many complex tooth movements, but severe crowding, bite problems, or jaw mismatch may need other treatment.

Aligners are removable thermoplastic trays that apply planned pressure to move teeth through the periodontal ligament and surrounding bone. A difficult case may involve rotated teeth, impacted teeth, large spaces, severe crowding, an open bite, or a jaw relationship that tooth movement alone cannot correct.

A dentist or orthodontist examines the teeth, gums, bite, facial proportions, and jaw relationship, then uses photographs, digital scans, and appropriate radiographs to plan treatment. The plan may include attachments, interproximal reduction, elastics, extractions, or a fixed appliance when those mechanics are indicated.

Seek an orthodontic assessment when crowding is severe, a tooth has not erupted, the bite prevents comfortable chewing, or the jaw appears uneven. Gum disease, cavities, or impacted teeth should be assessed before active tooth movement.

Ask which movements are predictable with aligners, whether a fixed appliance is a better option, and whether the plan addresses the bite as well as tooth position. Ask to see the planned stages and the retention plan after active treatment.