Serious problems can arise from a lack of treatment of severe malocclusion. When the teeth are well-aligned, the force of chewing is spread equally across all the teeth. Malocclusion can lead to an uneven spread of force, leaving certain teeth bearing the brunt of the work and causing teeth to become worn and develop cracks and breaks. Over time, this can also lead to tooth loss. Untreated, it can also lead to headaches and periodontal disease. Where the condition is causing significant pain, sleep problems can also arise.

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