The hazards of missing teeth include affecting facial aesthetics, causing oral diseases, and affecting chewing function. 1. Impact on facial aesthetics: missing teeth may have some impact on one’s facial aesthetics, especially in the case of missing front teeth, it is best to repair in a timely manner. Missing teeth will not only affect the outward appearance of the individual, there may be the phenomenon of slurred speech, so it will affect the normal language pronunciation function. 2. Trigger oral diseases: missing teeth may lead to tilting and shifting of neighboring teeth, and in serious cases, it may also lead to loosening and shifting of other teeth, and even cause some oral diseases, such as occlusal trauma, periodontitis, and so on. 3. Impact on chewing function: some patients may also experience facial pain or temporomandibular joint pain after tooth loss. And many patients with missing teeth will also lead to a gradual decline in their own chewing function, the more missing teeth, chewing efficiency will be lower and lower. To summarize, missing teeth will cause harm to the body, so in the case of missing teeth, it is recommended to go to the hospital as soon as possible for relevant examinations, under the guidance of the doctor to take targeted ways to repair. Usually pay attention to good personal oral hygiene, develop good oral hygiene habits, help to maintain dental health.