Effect of maxillary incisors, lower lip, and gingival display relationship on smile attractiveness
Introduction This study aimed to evaluate the effect of the relationship between maxillary incisors and lower lip in conjunction with the maxillary gingival display on perception of smile attractiveness. Methods…
Cervical vertebral maturation: Are postpubertal stages attained in all subjects?
Introduction The cervical vertebral maturation (CVM) method comprises 6 stages reported to be prepubertal (1 and 2), pubertal (3 and 4) and postpubertal (5 and 6), and its use has…
Impact of passive self-ligation and conventional elastic ligation on orthodontic force in the simulation of a mandibular lateral incisor linguoversion
Introduction This study compared three-dimensional forces delivered to the displaced tooth and its adjacent teeth between passive self-ligation (PSL) and conventional elastic ligation (CL) in simulation of mandibular lateral incisor…
Registration accuracy between intraoral-scanned and cone-beam computed tomography–scanned crowns in various registration methods
Introduction The purpose of this study was to investigate the registration accuracy between intraoral-scanned crowns and cone-beam computed tomography (CBCT)–scanned crowns in various registration methods. Methods The samples consisted of…
Smile outcome comparison of Invisalign and traditional fixed-appliance treatment: A case-control study
Introduction The purpose of this study was to evaluate and compare smile treatment outcomes between patients treated with Invisalign clear aligners (Align Technology, Santa Clara, Calif) and those treated with…
Nonsurgical treatment of skeletal maxillary protrusion with gummy smile using headgear for growth control, mini-implants as anchorage for maxillary incisor intrusion, and premolar extractions for incisor retraction
Introduction An adolescent girl, aged 12 years 11 months, was evaluated for orthodontic treatment. Her chief complaints included a difficulty with keeping her lips passively closed and excessive gingival exposure upon smiling….
Orthodontic and surgical treatment of facial asymmetry in a patient with unicoronal craniosynostosis
This case report presents the unique treatment of a patient with varying asymmetries at different levels within the face. The patient was a 17-year-old male with a diagnosis of right…
Accurate bracket placement using a computer-aided design and computer-aided manufacturing–guided bonding device: An in vivo study
Introduction A protocol was introduced to achieve accurate bracket placement in vivo, which consisted of operative procedures for precise control, and a computer-aided design and computer-aided manufacturing–guided bonding device. To evaluate…
Meta-analysis: Random-effects model
Under the random-effects model, the true effect size is assumed to be different across studies. These studies are not identical (as in the case of the fixed-effect model), but they…
