Shih Jaw Tsai

• Master of Dental Surgery
• National Taiwan University

Background/purpose The treatment effects of Invisalign® are still obscure due to methodological limitations of previous studies. We introduced a method to comprehensively evaluate the dental and skeletal changes of Class II malocclusion treated non-extraction with Invisalign® and compare with the virtual simulation of ClinCheck® using digital model...

Background/purpose There were 661 board-certified orthodontic specialists in Taiwan in 2020. This study reported the current practice patterns and training project of orthodontic specialist in Taiwan. Materials and methods This study exploited the secondary data analysis and interview to survey the current practice patterns and training project of...

The age at menarche reflects a pubertal girl's physiologic maturity. The aims of this study were to evaluate the relationship between the age at menarche and skeletal maturation in female orthodontic patients. Hand-wrist radiographs and lateral cephalometric radiographs from 304 adolescent female subjects (age, 8-18.9 years) were selected from the...

The skeletal maturation status of a growing patient can influence the selection of orthodontic treatment procedures. Either lateral cephalometric or hand-wrist radiography can be used to assess skeletal development. In this study, we examined the correlation between the maturation stages of cervical vertebrae and hand-wrist bones in Taiwanese indiv...