Analysis of the causes of misaligned teeth Misaligned teeth, also known as malocclusion, refers to the teeth that are caused by congenital genetic factors or acquired environmental factors during the growth and development of children, such as diseases, bad oral habits, and abnormal replacement teeth. , jaw, craniofacial deformities, mainly include: uneven arrangement of teeth, abnormal occlusal relationship between the upper and lower dental arches, abnormal size, shape and position of the jaw. Acquired factors include the following:
1. Early loss of deciduous teeth: There will be insufficient space, resulting in crowding and dislocation. Loss of the effect of inducing eruption, the permanent teeth appear misplaced and unable to erupt during eruption.
2. Bad habits: most of them are finger sucking habit, tongue habit, lip biting habit, biting habit, jaw stretching habit, bad swallowing habit, unilateral chewing habit, etc., which can cause all kinds of malocclusion.
3. Supernumerary teeth: The supernumerary teeth can cause the morphological kinetic energy disorder of the teeth and jaw system, and the supernumerary teeth between the central incisors can lead to the formation of the central incisor gap. 4. Congenitally missing teeth: mostly due to developmental and embryonic reasons, and the loss of third molars is mostly a phylogenetic degeneration phenomenon.
5. Retention of deciduous teeth: Individual teeth that do not fall out over time are retained as deciduous teeth, which can cause the eruption of the successor permanent teeth to be blocked and ambush, or to erupt in dislocation.
6. Insufficient wear of deciduous canines: Because the food eaten by children is too soft, some deciduous canines are not as worn as other teeth, so they are higher than the occlusal surface of the dental arch, resulting in early contact, resulting in front or side movement, forming a reverse reaction. bite.
7. Others: In addition, there are many systemic factors and local disease factors, such as infectious diseases, malnutrition, endocrine factors, vitamin deficiency, cleft lip and palate, benign hypertrophy of mandibular condyle, facial hypertrophy, etc.
