Most patients with primary coccidioidomycosis are asymptomatic, but nonspecific respiratory symptoms resembling those of influenza, acute bronchitis, or, less often, acute pneumonia or pleural effusion sometimes occur.
By using retainers to hold the teeth in their new position for a length of time, the surrounding periodontal fibres are allowed to adapt to changes in the bone which can help minimize any changes to the final tooth position after the completion of orthodontic treatment.
Other kids may wear retainers to close a space between their teeth or just to move one tooth. In these cases, braces aren't needed because retainers can do the job. Often, retainers will be worn for several years to close a space, for example, and then keep the gap closed by holding the teeth in place.