1 Secondary insomnia: Secondary insomnia means that a person is having sleep problems because of something else, such as a health condition (like asthma, depression, arthritis, cancer, or heartburn); pain; medication they are taking; or a substance they are using (like alcohol).ypes of Insomnia. There are two types of insomnia: primary insomnia and secondary insomnia. 1  Primary insomnia: Primary insomnia means that a person is having sleep problems that are not directly associated with any other health condition or problem.
Custom fitted mouthguards are expected to last 2-3 years with normal use. Chewing on the mouthguard dramatically reduces the expected longevity. Boil and bite mouthguards should last one season, possibly longer. Stock mouthguards could last several months.
A bridge can usually last 10-15 years if cared for correctly. 1  It requires the same maintenance as regular teeth: 2  Brush twice a day. 3  Floss at least once a day. 4  Use ADA approved mouthwash. 5  Eat plenty of fruits and vegetables. 6  Visit a dentist twice a year. 7  Avoid smoking.