Orthodontics should choose the appropriate method according to bony protrusion and dental protrusion, in order to achieve multiplier effect with half the effort. What is the difference between bony protrusion and dental protrusion?
Difference Between Bone Protrusion and Dental Protrusion
Bone protrusion refers to the malocclusion caused by the uncoordinated size, shape or position relationship between the upper and lower alveolar bones. The disorder of the relationship between the upper and lower alveolar bone can be manifested as an abnormal three-dimensional structure, but the disorder of the anterior-posterior relationship is more common, and the impact on the appearance of the face is also more prominent. It is manifested as Angle’s class II and III skeletal malocclusion, which is the main content of the correction of skeletal malocclusion.
Dental protrusion is caused by the abnormal position of the dentition relative to the alveolar bone. It can also be manifested as class II and class III malocclusion, which is the key point of identification. The second is the imbalance of the vertical relationship, which can be manifested as osseous open occlusion or osseous overbite, which is manifested in the shape and positional relationship of the upper and lower alveolar bones.
The lateral relationship disorder is often manifested as unilateral majority of the posterior crossbite or mandibular deviation. In clinical cases, it may only show the uncoordinated skeletal relationship in one plane, or it may manifest as abnormal skeletal relationship in multiple planes.
Therefore, in clinical practice, it is necessary to comprehensively analyze the patient’s teeth and jaw deformities, and formulate a correct treatment plan.
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