Kokich Vincent G, Kokich Vincent O
Department of Orthodontics, School of Dentistry, University of Washington, Seattle, Wash, USA.
Am J Orthod Dentofacial Orthop. 2006 Oct;130(4):437-44. doi: 10.1016/j.ajodo.2006.05.025.
Congenital absence of mandibular second premolars affects many orthodontic patients. The orthodontist must make the proper decision at the appropriate time regarding management of the edentulous space. These spaces can be closed or left open.
If the space will be left open for an eventual restoration, the keys during orthodontic treatment are to create the correct amount of space and to leave the alveolar ridge in an ideal condition for a future restoration. If the space will be closed, the clinician must avoid any detrimental alterations to the occlusion and the facial profile.
Some early decisions that the orthodontist makes for a patient whose mandibular second premolars are congenitally missing will affect his or her dental health for a lifetime. Therefore, the correct decision must be made at the appropriate time.
In this article, we present and discuss various treatment alternatives for managing orthodontic patients with at least 1 congenitally missing mandibular second premolar.
先天性下颌第二前磨牙缺失影响众多正畸患者。正畸医生必须在恰当的时候就无牙间隙的处理做出正确决策。这些间隙可以关闭或保持开放。
如果间隙将保持开放以待最终修复,正畸治疗期间的关键是创造适量的间隙,并使牙槽嵴处于有利于未来修复的理想状态。如果间隙将被关闭,临床医生必须避免对咬合和面型造成任何有害改变。
正畸医生为先天性下颌第二前磨牙缺失的患者做出的一些早期决策将影响其一生的口腔健康。因此,必须在恰当的时候做出正确决策。
在本文中,我们展示并讨论了针对至少有一颗先天性缺失下颌第二前磨牙的正畸患者的各种治疗方案。