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.
Essix and Hawley appliances are the most frequently used removable retainers. 1  On average, the initial stage of a patient's retention process involved wearing their retainers for 16 hours per day (the range was from 2 to 24 hours), 7 days a week.