What are the reasons for jaw opening?

summary

Temporomandibular joint disorder syndrome occurs mostly in young adults. Its pathogenesis has not been fully understood. The main characteristics of this disease are pain of joint area, bouncing during exercise, mouth opening dysfunction, etc. Most of them have joint dysfunction and good prognosis; However, qualitative changes can also be seen in a few cases. What are the reasons for jaw opening? Let's talk about it

What are the reasons for jaw opening?

There are many trauma factors, and the patients have a history of local trauma. Such as having been impacted by external force, biting hard objects suddenly, opening mouth too much (such as yawning) and other acute trauma; There are often chewing hard food, molars at night and unilateral chewing habits. These factors may cause joint contusion or strain, masticatory muscle dysfunction also has a certain impact on the occurrence of this disease.

Occlusal factors many patients have obvious occlusal disorder. Such as too high tooth tip, excessive tooth wear, too many missing molars, bad dentures, too low intermaxillary distance. The disorder of occlusal relationship can destroy the functional balance of the internal structure of the joint and promote the occurrence of this disease.

Systemic and other factors, neuropsychiatric factors may be related to the disease. Such as some patients have emotional impatience, mental tension, easily excited and so on. In addition, some patients have a history of rheumatism, and some are related to cold.

matters needing attention

Avoid joint sprain caused by excessive opening, such as yawning and laughing. After cold stimulation, prevent sudden chewing movement, so as to avoid muscle spasm and joint ligament damage. Correct bad chewing habits, such as unilateral chewing, night teeth.