One more consideration--the periodontium.
D005882:Gingival Diseases / Q000209:etiology; D006801:Humans; D008310:Malocclusion / Q000150:complications; D010510:Periodontal Diseases / Q000209:etiology; D010519:Periodontium / Q000502:physiology*; D014087:Tooth Movement Techniques / Q000009:adverse effects