 [ Symptoms ] my son 12 lost two front teeth that were put back in at the er should his dentist put in a permanent bridge  they died but stayed in place until a gym mishap loosened one [ Disease ] that would really depend on what kind of lung disease you have the extent of your disease and your oxygen levels on room air you will need to discuss this with your doctor    someone who knows you and your case to see if supplemental oxygen is necessary or desirable in your case