8,175 results match your criteria American Journal of Orthodontics and Dentofacial Orthopedics [Journal]


Searching the literature for studies for a systematic review. Part 2: Resources for searching the medical literature.

Am J Orthod Dentofacial Orthop 2019 Mar;155(3):445-447

Department of Orthodontics and Dentofacial Orthopedics, University of Bern, Bern, Switzerland.

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http://dx.doi.org/10.1016/j.ajodo.2018.12.005DOI Listing
March 2019
1 Read

Can we make ourselves bullet-proof?

Authors:
Laurance Jerrold

Am J Orthod Dentofacial Orthop 2019 Mar;155(3):443-444

Chair, Division of Orthodontics, and Program Director, Orthodontics and Dentofacial Orthopedics, NYU Langone Hospital, Brooklyn, NY.

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http://dx.doi.org/10.1016/j.ajodo.2018.12.012DOI Listing

Understanding technology adoption by orthodontists: A qualitative study.

Am J Orthod Dentofacial Orthop 2019 Mar;155(3):432-442

Orthodontics Department, University of North Carolina School of Dentistry, Chapel Hill, NC. Electronic address:

Introduction: Orthodontics is evolving with advances in 3D imaging, additive fabrication, digital scanning, and treatment planning. With digital tools, orthodontic treatment may become more predictable, efficient, and effective while reducing side-effects. These technologies are affecting patient care, but knowledge of their adoption patterns and influence is incomplete. Read More

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http://dx.doi.org/10.1016/j.ajodo.2018.08.018DOI Listing
March 2019
1 Read

Orthodontic management of a patient with short root anomaly and impacted teeth.

Am J Orthod Dentofacial Orthop 2019 Mar;155(3):421-431

Division of Orthodontics, University of Connecticut Health Center, Farmington, Conn. Electronic address:

Short root anomaly (SRA) is a rare familial dental condition that is often misdiagnosed. Orthodontic treatment of patients with SRA is challenging because it is difficult to diagnose, it may be accompanied by other dental anomalies, and it has been reported to contribute to additional susceptibility to root resorption during orthodontic treatment. In this article, we describe a methodical and evidence-based means of diagnosing and orthodontically managing a patient with SRA. Read More

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http://dx.doi.org/10.1016/j.ajodo.2018.11.009DOI Listing
March 2019
1.437 Impact Factor

High-efficiency treatment with the use of traditional anchorage control for a patient with Class II malocclusion and severe overjet.

Am J Orthod Dentofacial Orthop 2019 Mar;155(3):411-420

Department of Orthodontics, Stomatologic Hospital of Chongqing Medical University, Chongqing, People's Republic of China; Chongqing Key Laboratory of Oral Diseases and Biomedical Sciences, Chongqing, People's Republic of China; Chongqing Municipal Key Laboratory of Oral Biomedical Engineering of Higher Education, Chongqing, People's Republic of China. Electronic address:

Patients with Class II malocclusion and severe overjet are often dissatisfied with their facial disharmony. Although temporary skeletal anchorage devices (TSADs) are now widely used in orthodontic treatment, traditional anchorage devices should not be overlooked as a treatment option. Proper design of traditional anchorage can achieve 3-dimensional control of incisors and molars as efficiently as TSADs in some patients with severe malocclusion. Read More

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http://dx.doi.org/10.1016/j.ajodo.2017.08.030DOI Listing

Induced ankylosis of primary canines for absolute anchorage in the treatment of a patient with Class III malocclusion and cleft soft palate.

Am J Orthod Dentofacial Orthop 2019 Mar;155(3):398-410

School of Stomatology, Zhejiang Chinese Medical University, Hangzhou, People's Republic of China. Electronic address:

This case report describes the induced ankylosis of the primary canines for use as absolute anchorage for maxillary protraction. The patient was a young boy with Class III malocclusion and cleft soft palate. The final occlusion was esthetic, functional, healthy, and stable 4 years after treatment. Read More

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http://dx.doi.org/10.1016/j.ajodo.2017.08.031DOI Listing

Biomechanical analysis for total distalization of the mandibular dentition: A finite element study.

Am J Orthod Dentofacial Orthop 2019 Mar;155(3):388-397

Department of Orthodontics, School of Dentistry, Kyungpook National University, Daegu, Korea.

Introduction: The aim of this finite element study was to analyze and clarify the mechanics of tooth movement patterns for total distalization of the mandibular dentition based on force angulation.

Methods: Long-term orthodontic movement of the mandibular dentition was simulated by accumulating the initial displacement of teeth produced by elastic deformation of the periodontal ligament.

Results: Displacement of each tooth was caused by movement of the whole dentition, elastic deflection of the archwire, and clearance gap between the archwire and bracket slot. Read More

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http://dx.doi.org/10.1016/j.ajodo.2018.05.014DOI Listing

Are panoramic radiographs good enough to render correct angle and sector position in palatally displaced canines?

Am J Orthod Dentofacial Orthop 2019 Mar;155(3):380-387

Department of Orthodontics, Postgraduate Dental Education Center, Örebro, Sweden. Electronic address:

Objectives: The early interceptive treatment of palatally displaced canines (PDCs) has for decades been based on their position in panoramic radiographs. In the 1990s, cone-beam computed tomography (CBCT) started to become popular in cases with PDCs. The aims of this prospective study were to evaluate the agreement of PDC sector position and angle to midline between panoramic radiographs and CBCT scans. Read More

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http://dx.doi.org/10.1016/j.ajodo.2018.05.015DOI Listing

Association between incisor irregularity and coronal caries: A population-based study.

Am J Orthod Dentofacial Orthop 2019 Mar;155(3):372-379

Department of Orthodontics and Dentofacial Orthopedics, Henry M. Goldman School of Dental Medicine, Boston University, Boston, Mass.

Introduction: The objective of this study was to investigate the association between incisor irregularity and anterior coronal caries by means of an arch-specific analysis among the U.S. population in the National Health and Nutritional Examination Survey (NHANES III) 1988-1994. Read More

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https://linkinghub.elsevier.com/retrieve/pii/S08895406183103
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http://dx.doi.org/10.1016/j.ajodo.2018.04.029DOI Listing
March 2019
1 Read

Long-term profile attractiveness in Class II Division 1 malocclusion patients treated with and without extractions.

Am J Orthod Dentofacial Orthop 2019 Mar;155(3):362-371

Department of Orthodontics, Bauru Dental School, and Hospital for Rehabilitation of Craniofacial Anomalies, University of São Paulo, Bauru, São Paulo, Brazil.

Introduction: This study evaluated the influence of Class II treatment protocols in profile attractiveness.

Methods: Sixty-eight patients with initial full Class II Division 1 malocclusion, orthodontically treated an average of 15 years before, and matched by sex, age, time after treatment, orthodontic outcomes, and overjet, were compared. Three groups were formed, according to the treatment protocol: NE, nonextraction (n = 20; mean age 29. Read More

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http://dx.doi.org/10.1016/j.ajodo.2018.04.030DOI Listing

Item-level analysis of the relationship between orthodontic treatment need and oral health-related quality of life in Korean schoolchildren.

Am J Orthod Dentofacial Orthop 2019 Mar;155(3):355-361

Department of Public Health Sciences, Graduate School, Korea University, Seoul, Korea; Department of Health Policy and Management, College of Health Science, Korea University, Seoul, Korea. Electronic address:

Introduction: This study aimed to evaluate the associations between normative orthodontic treatment need and oral health-related quality of life (OHRQoL) at an item level as well as subscale and total score levels among schoolchildren.

Methods: A cross-sectional study was conducted on 2,010 randomly selected children aged approximately 8, 10, 12, and 15 years residing in the Gyeonggi province, Korea. Children were clinically examined with the Index of Orthodontic Treatment Need (IOTN). Read More

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http://dx.doi.org/10.1016/j.ajodo.2018.04.028DOI Listing

Anchorage loss assessment of the indirect anchor tooth during adjunctive orthodontic treatment.

Am J Orthod Dentofacial Orthop 2019 Mar;155(3):347-354

Department of Orthodontics, Gangnam Severance Dental Hospital, Institute of Craniofacial Deformity, College of Dentistry, Yonsei University, Seoul, Korea. Electronic address:

Introduction: This study quantitatively assessed movement of anchor teeth connected to a miniscrew (indirect anchor tooth) and investigated factors affecting movement during adjunctive orthodontic treatment.

Methods: Dental plaster models of 28 patients whose treatment included an indirect anchor tooth on one side were collected before and after treatment. The casts were digitally scanned, and 2 groups were constituted: the indirect anchor teeth (experimental group; n = 52) and the untreated teeth (control group; the first and second premolars opposing the indirect anchor tooth to which no orthodontic force was applied; n = 55). Read More

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http://dx.doi.org/10.1016/j.ajodo.2018.04.027DOI Listing

Three-dimensional evaluations of the digital casts of morphologic maxillary teeth symmetry in patients with unilateral palatally displaced canines.

Am J Orthod Dentofacial Orthop 2019 Mar;155(3):339-346

Department of Orthodontics, University "La Sapienza", Rome, Italy.

Introduction: The goal of this study was to compare the size and morphologic symmetry of the maxillary teeth in subjects with and without unilateral palatally displaced canines (PDCs).

Methods: Plaster casts of 38 subjects (mean age 14.75 ± 0. Read More

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http://dx.doi.org/10.1016/j.ajodo.2018.04.026DOI Listing

Bone and cortical bone characteristics of mandibular retromolar trigone and anterior ramus region for miniscrew insertion in adults.

Am J Orthod Dentofacial Orthop 2019 Mar;155(3):330-338

Department of Biomedical and Dental Sciences and Morphofunctional Imaging, Section of Orthodontics, School of Dentistry, University of Messina, Messina, Italy.

Introduction: The aim of this study was to evaluate bone depth, cortical bone thickness, and vestibulolingual bone dimension of the mandibular retromolar trigone and anterior ramus region to evaluate what are its most suitable sites for miniscrew insertion in adults.

Methods: The sample included cone-beam computerized tomography (CBCT) records of 60 adult subjects retrospectively evaluated. All CBCT examinations were performed with the use of an i-CAT CBCT scanner (Imaging Sciences International). Read More

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http://dx.doi.org/10.1016/j.ajodo.2018.04.025DOI Listing

Orthodontic mechanotherapies and their influence on external root resorption: A systematic review.

Am J Orthod Dentofacial Orthop 2019 Mar;155(3):313-329

College of Medicine and Dentistry, James Cook University, Queensland, Australia.

Introduction: This systematic review assesses the literature regarding the association between orthodontic tooth movement and external root resorption. By determining the evidence level supporting the association, the results could provide clinical evidence for minimizing the deleterious effect of orthodontic tooth movement.

Methods: Electronic databases, including MEDLINE, PubMed, Embase, Scopus, CINAHL, Cochrane Library, and LILACS, were searched up to February 2018, with hand searching of selected orthodontic journals undertaken to identify any preelectronic publications. Read More

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http://dx.doi.org/10.1016/j.ajodo.2018.10.015DOI Listing

Discretion, please.

Authors:
Peter M Greco

Am J Orthod Dentofacial Orthop 2019 Mar;155(3):311-312

Philadelphia, Pa.

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http://dx.doi.org/10.1016/j.ajodo.2019.01.006DOI Listing

Authors' response.

Am J Orthod Dentofacial Orthop 2019 Mar;155(3):307-308

Iksan and Seoul, Korea, and Mesa, Ariz.

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http://dx.doi.org/10.1016/j.ajodo.2018.12.003DOI Listing

Determining condylar bone density in adolescents: An inconclusive cone-beam computed tomographic study.

Am J Orthod Dentofacial Orthop 2019 Mar;155(3):306-307

Indore, Madhya Pradesh, India.

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http://dx.doi.org/10.1016/j.ajodo.2018.11.008DOI Listing

Authors' response.

Am J Orthod Dentofacial Orthop 2019 Mar;155(3):305-306

Athens and Thessaloniki, Greece, and Bern, Switzerland.

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http://dx.doi.org/10.1016/j.ajodo.2018.12.008DOI Listing

Searching the literature for studies for a systematic review. Part 1: Identifying search concepts in a question.

Am J Orthod Dentofacial Orthop 2019 Feb;155(2):299-301

Department of Orthodontics and Dentofacial Orthopedics, University of Bern, Bern, Switzerland.

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http://dx.doi.org/10.1016/j.ajodo.2018.11.005DOI Listing
February 2019
1 Read

What I say versus what I do.

Authors:
Laurance Jerrold

Am J Orthod Dentofacial Orthop 2019 Feb;155(2):296-298

Chair, Division of Orthodontics, and Program Director, Orthodontics and Dentofacial Orthopedics, NYU Langone Hospital, Brooklyn, NY.

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http://dx.doi.org/10.1016/j.ajodo.2018.12.002DOI Listing
February 2019

Evaluation of three-dimensional printed virtual setups.

Am J Orthod Dentofacial Orthop 2019 Feb;155(2):288-295

Department of Orthodontics, Universidad Tecnológica de México, Mexico City, Mexico.

Introduction: Digital setups are reliable and show numerous benefits to the orthodontic practice. Fused deposition modeling can build physical replicas of these setup models. The purpose of this study was to compare 3-dimensional printed and conventional setups. Read More

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http://dx.doi.org/10.1016/j.ajodo.2018.08.017DOI Listing
February 2019

Autotransplantation of premolars and space closure in a patient with inflamed sinuses.

Am J Orthod Dentofacial Orthop 2019 Feb;155(2):276-287

Division of Orthodontics, Department of Orofacial Science, University of California, San Francisco, Calif.

Congenital absence of permanent teeth can be treated by means of dental implants and prosthetics. Tooth autotransplantation is an alternative in growing patients because continued eruption of the transplanted tooth and associated alveolar bone growth can be expected. This clinical report presents tooth autotransplantation in a 10-year-old boy with chronic maxillary rhinosinusitis, diagnosed by the department of otorhinolaryngology. Read More

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http://dx.doi.org/10.1016/j.ajodo.2018.08.015DOI Listing
February 2019
1 Read

Vertical control of a Class II deep bite malocclusion with the use of orthodontic mini-implants.

Authors:
Min-Ho Jung

Am J Orthod Dentofacial Orthop 2019 Feb;155(2):264-275

Department of Orthodontics, Dental Research Institute and School of Dentistry, Seoul National University, Seoul, Korea. Electronic address:

To improve the facial profile of a Class II patient with chin deficiency, orthodontists have traditionally used incisor retraction or jaw surgery. Recently, a new technique was introduced that uses orthodontic mini-implants to intrude the incisors and rotate the mandibular plane counterclockwise. In patients with deep bite, heavy anterior occlusal contact can make it difficult to use intrusion for profile improvement. Read More

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http://dx.doi.org/10.1016/j.ajodo.2018.08.016DOI Listing
February 2019

A rodent model using skeletal anchorage and low forces for orthodontic tooth movement.

Am J Orthod Dentofacial Orthop 2019 Feb;155(2):254-263

Department of Orthodontics, Medical University of South Carolina, Charleston, SC. Electronic address:

Introduction: Nonhuman animal models have been used extensively to study orthodontic tooth movement (OTM). However, rodent models have disadvantages, including a reported reduction in bone volume during OTM. The purpose of this study was to determine the viability of a skeletal anchorage and the effect of low force (∼3 cN) on interradicular bone volume during OTM. Read More

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http://dx.doi.org/10.1016/j.ajodo.2018.03.022DOI Listing
February 2019

Photodynamic inactivation of planktonic cultures and Streptococcus mutans biofilms for prevention of white spot lesions during orthodontic treatment: An in vitro investigation.

Am J Orthod Dentofacial Orthop 2019 Feb;155(2):243-253

Department of Restorative Dentistry, Institute of Science and Technology, São Paulo State University, São Paulo, Brazil.

Introduction: This study evaluated the efficacy of photodynamic inactivation (PDI) with hematoporphyrin IX (H) and modified hematoporphyrin IX (MH) at 10 μmol/L, using a blue light-emitting diode (LED), fluence of 75 J/cm, over planktonic cultures and biofilm of Streptococcus mutans (UA 159).

Methods: Suspensions containing 107 cells/mL were tested under different experimental conditions: a) H and LED (H+L+), b) MH and LED (MH+L+), c) only LED (P-L+), d) only H (H+L-), e) only MH (MH+L-), and f) control group, no LED or photosensitizer treatment (P-L-). The study also evaluated the effect of PDI on S mutans biofilm on metallic or ceramic brackets bonded on specimens of human teeth. Read More

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http://dx.doi.org/10.1016/j.ajodo.2018.03.027DOI Listing
February 2019

Mandibular incisor alignment in untreated subjects compared with long-term changes after orthodontic treatment with or without retainers.

Am J Orthod Dentofacial Orthop 2019 Feb;155(2):234-242

Department of Orthodontics, Faculty of Odontology, Malmö University, Malmö, Sweden.

Introduction: The aim of this work was to analyze the dental and skeletal changes in patients treated with fixed orthodontic appliances with or without retention appliances, and to compare the changes with untreated subjects. Specifically, mandibular incisor irregularity was analyzed.

Methods: A total of 105 children who had undergone orthodontic treatment with fixed appliances in both jaws were examined in 2 groups: 64 had a lingual mandibular retainer and 41 had no retainer. Read More

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http://dx.doi.org/10.1016/j.ajodo.2018.03.025DOI Listing
February 2019

Influence of facial pattern in smile attractiveness regarding gingival exposure assessed by dentists and laypersons.

Am J Orthod Dentofacial Orthop 2019 Feb;155(2):224-233

Department of Orthodontics, Sagrado Coração University, Bauru, Brazil. Electronic address:

Introduction: The present study aimed to assess the influence of facial pattern in smile attractiveness on different levels of gingival exposure evaluated by dental specialists and laypersons.

Methods: Frontal photographs of 2 white Brazilian women, one with a long face and the other with a balanced face, were acquired and subsequently modified to simulate gingival exposure from 0 to 6 mm. Four groups of evaluators of both sexes (mean age 34 y), including laypersons (n = 24) and dental specialists (n = 72; 24 orthodontists, 24 periodontists, and 24 maxillofacial surgeons), used a Likert-type scale to evaluate the attractiveness of the smiles of these subjects with different levels of gingival exposure. Read More

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http://dx.doi.org/10.1016/j.ajodo.2018.03.026DOI Listing
February 2019

Evaluation of facial soft tissue thickness in symmetric and asymmetric subjects with the use of cone-beam computed tomography.

Am J Orthod Dentofacial Orthop 2019 Feb;155(2):216-223

Department of Orthodontics and Pediatric Dentistry of Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil. Electronic address:

Introduction: The aims of this study were to evaluate facial bilateral soft tissue thickness in symmetric and asymmetric subjects and to investigate whether soft tissue compensates for skeletal asymmetry.

Methods: Cone-beam computed tomography (CBCT) scans of 97 subjects were divided into a symmetry group (GSm) and an asymmetry group (GASm). Seven bilateral points were established. Read More

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http://dx.doi.org/10.1016/j.ajodo.2018.03.024DOI Listing
February 2019
1 Read

Pharyngeal airway evaluation following isolated surgical mandibular advancement: A 1-year follow-up.

Am J Orthod Dentofacial Orthop 2019 Feb;155(2):207-215

Department of Dental Surgery and Oral Health Sciences, Armed Forces Medical College, Pune, India.

Introduction: The aim of this study was to evaluate the stability of pharyngeal airway space changes with the use of acoustic pharyngometry 1 year after bilateral sagittal split ramus osteotomy for mandibular advancement in patients with skeletal Class II malocclusion.

Methods: The sample comprised 16 patients (mean age 21.26 ± 1. Read More

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http://dx.doi.org/10.1016/j.ajodo.2018.03.023DOI Listing
February 2019

Buccal bone plate thickness after rapid maxillary expansion in mixed and permanent dentitions.

Am J Orthod Dentofacial Orthop 2019 Feb;155(2):198-206

Department of Dentistry, University of Alberta, Edmonton, Alberta, Canada.

Introduction: Rapid maxillary expansion (RME) might cause buccal displacement of anchor teeth. Dislocation of teeth outside their alveolar process can damage the periodontium; for this reason, maxillary expansion using deciduous teeth as anchorage in the mixed dentition might be suggested. The aim of this study was to compare changes of buccal bone plate thickness on the maxillary permanent first molars after RME in the mixed and permanent dentitions with different types of anchorage. Read More

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http://dx.doi.org/10.1016/j.ajodo.2018.03.020DOI Listing
February 2019

Short-term cone-beam computed tomography evaluation of maxillary third molar changes after total arch distalization in adolescents.

Am J Orthod Dentofacial Orthop 2019 Feb;155(2):191-197

Department of Orthodontics, Seoul St. Mary's Hospital, Catholic University of Korea, Seoul, Korea. Electronic address:

Introduction: Our objectives were to evaluate changes in the position of maxillary third molars with cone-beam computed tomography images in adolescents after total arch distalization using a modified C-palatal plate (MCPP) and to compare them with the changes in a matched control group.

Methods: We included 68 maxillary third molars of 40 adolescent patients (mean age, 12.6 years). Read More

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http://dx.doi.org/10.1016/j.ajodo.2018.04.023DOI Listing
February 2019
1 Read

Comparison of root resorption after bone-borne and tooth-borne rapid maxillary expansion evaluated with the use of microtomography.

Am J Orthod Dentofacial Orthop 2019 Feb;155(2):182-190

Department of Orthodontics, Faculty of Dentistry, Alanya Alaaddin Keykubat University, Antalya, Turkey.

Introduction: Root resorption was compared between bone-borne and tooth tissue-borne rapid maxillary expansion patients with the use of microtomography.

Methods: The study included 20 patients (ages 11-16 years) requiring fixed orthodontic treatment who underwent extraction of their first premolars after rapid maxillary expansion with the use of modified appliances. One side of the appliance covered the teeth with acrylic, while the other side was fixed to the palatal bone by means of a miniscrew. Read More

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http://dx.doi.org/10.1016/j.ajodo.2018.03.021DOI Listing
February 2019
1 Read

Understanding factors influencing compliance with removable functional appliances: A qualitative study.

Am J Orthod Dentofacial Orthop 2019 Feb;155(2):173-181

Barts and London School of Medicine and Dentistry, Queen Mary University of London, London, United Kingdom. Electronic address:

Introduction: Lack of compliance during functional appliance therapy may lead to extended treatment or even induce treatment failure. The aims of this study were to explore factors influencing compliance in adolescents treated with a Twin-block appliance.

Methods: A qualitative study using one-to-one semistructured interviews involving a sample of adolescents undergoing Twin-block therapy with objectively recorded wear durations was undertaken. Read More

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http://dx.doi.org/10.1016/j.ajodo.2018.06.011DOI Listing
February 2019

Effectiveness of part-time vs full-time wear protocols of Twin-block appliance on dental and skeletal changes: A randomized controlled trial.

Am J Orthod Dentofacial Orthop 2019 Feb;155(2):165-172

Barts and the London School of Medicine and Dentistry, Queen Mary University of London, London, United Kingdom. Electronic address:

Introduction: The aim of this 2-arm parallel study was to compare the dentoalveolar and skeletal changes achieved with Twin-block appliance therapy prescribed on either a part- or full-time basis for 12 months.

Methods: Sixty-two 10- to 14-year-old patients were randomly allocated to either full-time (FT, 22 hours daily) or part-time (PT, 12 hours daily) wear of a modified Twin-block appliance. Participants were recruited from the Institute of Dentistry, Barts and the London School of Medicine and Dentistry, London, United Kingdom, and recalled at 6- to 8-week intervals. Read More

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http://dx.doi.org/10.1016/j.ajodo.2018.07.016DOI Listing
February 2019

What the world needs now ….

Authors:
Peter M Greco

Am J Orthod Dentofacial Orthop 2019 Feb;155(2):164

Philadelphia, Pa.

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http://dx.doi.org/10.1016/j.ajodo.2018.12.001DOI Listing
February 2019

Author's response.

Am J Orthod Dentofacial Orthop 2019 Feb;155(2):159-160

Tel Aviv and Ramat Gan, Israel.

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http://dx.doi.org/10.1016/j.ajodo.2018.10.013DOI Listing
February 2019

Orthodontics-periodontics relationship.

Am J Orthod Dentofacial Orthop 2019 Feb;155(2):158-159

Jerusalem, Israel.

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http://dx.doi.org/10.1016/j.ajodo.2018.10.014DOI Listing
February 2019
1 Read

Mandibular molar intrusion with mini-implants and the multiloop edgewise archwire technique.

Am J Orthod Dentofacial Orthop 2019 Feb;155(2):157

Lucknow, Uttar Pradesh, India.

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http://dx.doi.org/10.1016/j.ajodo.2019.01.001DOI Listing
February 2019

Author's response.

Am J Orthod Dentofacial Orthop 2019 Feb;155(2):157-158

São Luis, Brazil, and Baltimore, Maryland.

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http://dx.doi.org/10.1016/j.ajodo.2018.11.003DOI Listing
February 2019

Logically fallacious.

Authors:
James V Macri

Am J Orthod Dentofacial Orthop 2019 Feb;155(2):155-156

Granger, Ind.

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http://dx.doi.org/10.1016/j.ajodo.2018.11.006DOI Listing
February 2019

Lifetime Achievement Award for Orthodontic Research, 2019.

Authors:
Rolf G Behrents

Am J Orthod Dentofacial Orthop 2019 Feb;155(2):153-154

St. Louis, Mo.

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http://dx.doi.org/10.1016/j.ajodo.2018.11.004DOI Listing
February 2019

Effects of time and clear aligner removal frequency on the force delivered by different polyethylene terephthalate glycol-modified materials determined with thin-film pressure sensors.

Am J Orthod Dentofacial Orthop 2019 Jan;155(1):98-107

Department of Orthodontics, Medical Center of Stomatology, Second Xiangya Hospital, Central South University, Changsha, China.

Introduction: Many factors influence the force changes of clear aligners. The purpose of this study was to identify the various factors that influence the force changes generated by polyethylene terephthalate glycol-modified (PET-G) materials. Therefore, a force measurement system based on a flexible thin-film pressure sensor was established. Read More

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https://linkinghub.elsevier.com/retrieve/pii/S08895406183082
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http://dx.doi.org/10.1016/j.ajodo.2018.03.017DOI Listing
January 2019
25 Reads

Favorable growth.

Authors:
Peter M Greco

Am J Orthod Dentofacial Orthop 2019 Jan;155(1)

Philadelphia, Pa.

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http://dx.doi.org/10.1016/j.ajodo.2018.10.002DOI Listing
January 2019
1 Read

Benzalkonium chloride in an orthodontic adhesive: Its effect on rat enamel demineralization using color-based image analysis.

Am J Orthod Dentofacial Orthop 2019 Jan;155(1):88-97

Department of Computer Science, College of Engineering, University of the Philippines Diliman, Manila, Philippines.

Introduction: The aim of this study was to determine the effect of an orthodontic bonding adhesive containing benzalkonium chloride (BAC) on enamel demineralization.

Methods: Eighteen female Sprague-Dawley rats, aged 8 to 10 weeks, were inoculated with Streptococcus sobrinus for 5 days. The animals were randomly divided into the control, non-BAC, and BAC groups. Read More

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https://linkinghub.elsevier.com/retrieve/pii/S08895406183082
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http://dx.doi.org/10.1016/j.ajodo.2018.03.016DOI Listing
January 2019
4 Reads

Influence of the hyrax expander screw position on stress distribution in the maxilla: A study with finite elements.

Am J Orthod Dentofacial Orthop 2019 Jan;155(1):80-87

Department of Orthodontics, Juiz de Fora Federal University, Juiz de Fora, Minas Gerais, Brazil.

Introduction: Our objective was to evaluate the stress and deformation distribution patterns on the maxillary bone structure using the finite element method by simulation of different vertical and anteroposterior positions of the expansion screw on the hyrax expander appliance.

Methods: Part of the maxilla with anchorage teeth, midpalatal suture, and the hyrax appliance were modeled, and 6 distinct finite element method models were created to simulate different positions of the expansion screw. There were 2 vertical positions at distances of 20 and 15 mm from the occlusal plane. Read More

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http://dx.doi.org/10.1016/j.ajodo.2018.03.019DOI Listing
January 2019
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Experimental investigation of effects of platelet-rich plasma on early phases of orthodontic tooth movement.

Am J Orthod Dentofacial Orthop 2019 Jan;155(1):71-79

Department of Histology and Embryology, Faculty of Medicine, Erciyes University, Kayseri, Turkey.

Introduction: The aim of this study was to evaluate the effects of platelet-rich plasma on orthodontic tooth movement in rats.

Methods: We divided 48 Wistar male albino rats into 3 groups: control group, platelet-rich plasma group, and platelet-poor plasma group. The rats in all study groups had orthodontic tooth movement of their maxillary right first molars. Read More

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http://dx.doi.org/10.1016/j.ajodo.2018.03.015DOI Listing
January 2019
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Lip position analysis of young women with different skeletal patterns during posed smiling using 3-dimensional stereophotogrammetry.

Am J Orthod Dentofacial Orthop 2019 Jan;155(1):64-70

Department of Orthodontics, College of Stomatology, Xi'an Jiaotong University, Xi'an, Shaanxi, China. Electronic address:

Introduction: The aim of this study was to explore the internal relationship between posed smile characteristics, lip position, and skeletal patterns in young women.

Methods: Fifty women between the ages of 20 and 30 years were enrolled and divided into 3 groups-vertical, average, and horizontal patterns- using the following parameters: FMA, GoGn-SN, and Jarabak ratio. Each subject was scanned in natural head position and with a posed smile. Read More

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http://dx.doi.org/10.1016/j.ajodo.2018.03.014DOI Listing
January 2019
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Influence of overjet and overbite on soft tissue profile in mature adults: A cross-sectional population study.

Am J Orthod Dentofacial Orthop 2019 Jan;155(1):57-63.e3

Research Unit of Oral Health Sciences, Medical Faculty, University of Oulu, Oulu, Finland; Medical Research Center, Oulu University Hospital, Oulu, Finland.

Introduction: The aim of this study was to explore the association of soft tissue profile and severity of overbite and overjet in a large adult population.

Methods: The study population consisted of 1630 adults (age, 46 years; 712 men, 919 women), all part of the Northern Finland Birth Cohort 1966. A clinical examination was performed on all subjects, including recording of overjet and overbite, and digital facial (frontal and profile) photographs were obtained. Read More

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http://dx.doi.org/10.1016/j.ajodo.2018.02.015DOI Listing
January 2019
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