啮合关节紊乱怎么判断轻重(如何判断啮合关节紊乱的严重程度？)

Introduction

Temporomandibular joint disorder (TMD) is one of the most common oral and maxillofacial conditions affecting people worldwide. It is characterized by a range of symptoms including pain, abnormal movements, noise in the joint during movement, and limited mouth opening. One of the most common TMDs is Temporomandibular Joint Dislocation (TMJDD), which occurs due to a malfunction in the alignment of the articular surfaces of the joint. This article aims to provide an overview of how to determine the severity of dental occlusion, which can lead to TMJDD.

The Causes of Malocclusion

The alignment of teeth in the dental arches is critical to good occlusion. Malocclusion is a condition where the teeth in the upper arch do not line up with the lower arch. Malocclusion can occur due to a wide range of causes, including hereditary factors, abnormal tooth development in childhood, or even injury to the jawbone or misaligned dental restoration. Malocclusion can be categorized into 3 types, including Class I, Class II, and Class III malocclusion, and identifying each is critical to preventing TMJDD.

How to Assess Malocclusion

Assessing malocclusion requires a thorough evaluation by a qualified dental professional. An orthodontist, prosthodontist, and oral surgeon are the three dental specialties trained to identify and treat malocclusion. They use various methods to assess malocclusion, including physical examinations, x-rays, and measurement instruments. Variables that are assessed include overjet, overbite, and crowding, and the evaluation is summed up in a score that determines the severity of the malocclusion.

Symptoms of TMD

The spectrum of symptoms in TMD is wide and varied, with different degrees of severity. The following are some signs, and symptoms of TMD:

Pain in the TMJ joint, ears, or cheeks

Difficulty or pain while chewing, talking or opening your mouth

A clicking or popping sound in the joint when one opens and closes the mouth

A feeling of dizziness or headaches

Aching facial pain

The Relationship Between Malocclusion and TMD

While not all malocclusion results in TMD, it is a significant contributor to the disorder. Malocclusion causes an irregular distribution of pressure in the teeth and TMJ joint, leading to muscle and ligament strain around the joint and resulting in an imbalance in the joint's position known as temporomandibular joint disorder. It is essential to ensure that any malpositioned teeth or dental appliances should be treated promptly to prevent the progression of the condition and possibly leading to TMD development.

Treatment for TMD

TMD has no definitive cure, but many treatment options help manage the condition's symptoms. The type of treatment modalities varies across individuals depending on the severity and duration of their symptoms. It mainly includes medication, physical therapy, occlusal splints, or a combination of both. However, severe cases may require surgical intervention to correct some structural anomalies.

Conclusion

Malocclusion is one of the significant factors leading to temporomandibular joint disorder (TMD). Identifying and treating malocclusion early is essential in preventing the onset and progression of TMD. It is advisable to visit a dental professional regularly and have a thorough evaluation of your dental occlusion to ensure that any underlying issues are addressed promptly and effectively.

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