Background To evaluate the root anatomy, root canal morphology and the anatomical
relationship between the roots and maxillary sinus of maxillary second premolars by CBCT …

Introduction: With the popularity of clear aligners, the sequential distalization protocol has
been more commonly used for molar distalization. However, the amount of molar …

Background This study aims to determine the hard and soft tissue shape variation and its
changes in Class II division 1 malocclusion before and after orthodontic treatment using …

Objectives: Fixed appliance treatment with premolar extraction is often required after
functional appliance treatment to relieve crowding and improve facial aesthetics in the Asian …

Objectives To compare mandibular relative anchorage loss (RAL) under reciprocal
anchorage between first and second premolar extraction cases in bimaxillary protrusion mild …

Purpose Adequate control of the vertical dimension is of great importance in orthodontic
treatment. Although existing evidence is very limited, extraction of four premolars is thought …

Orthodontic treatment of patients with a Class II malocclusion and a straight profile can be
challenging, especially when orthodontic extractions are needed. Appropriate biomechanics …

Featured Application The current technique could be applied to patients who need maxillary
molar distalization. It uses a modified Nance appliance as anchorage and intra-arch …

Background: Extracting the premolars is an effective strategy for patients with bimaxillary
dentoalveolar protrusion. Clear aligners (CAs) close the extraction spaces through …

A compreensão e tratamento das más oclusões de Classe II representam um desafio
substancial na ortodontia, exigindo análises minuciosas e estratégias terapêuticas …