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American Journal of Orthodontics and Dentofacial Orthopedics

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https://read.qxmd.com/read/30712702/searching-the-literature-for-studies-for-a-systematic-review-part-1-identifying-search-concepts-in-a-question
#1
EDITORIAL
Anne Littlewood, Dimitrios Kloukos
No abstract text is available yet for this article.
February 2019: American Journal of Orthodontics and Dentofacial Orthopedics
https://read.qxmd.com/read/30712701/what-i-say-versus-what-i-do
#2
EDITORIAL
Laurance Jerrold
No abstract text is available yet for this article.
February 2019: American Journal of Orthodontics and Dentofacial Orthopedics
https://read.qxmd.com/read/30712700/evaluation-of-three-dimensional-printed-virtual-setups
#3
Juan Francisco González Guzmán, Alberto Teramoto Ohara
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. METHODS: Ten sets of pretreatment plaster models were randomly selected and scanned to obtain digital replicas. Conventional and virtual setups were constructed based on the treatment plan, anchorage needs, and extraction pattern...
February 2019: American Journal of Orthodontics and Dentofacial Orthopedics
https://read.qxmd.com/read/30712699/autotransplantation-of-premolars-and-space-closure-in-a-patient-with-inflamed-sinuses
#4
Kyung-Yen Nahm, Nur Serife Iskenderoglu, Jeong-Ah Lee, Ju-Young Lee, Kyu-Rhim Chung, Seong-Hun Kim, Gerald Nelson
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. The patient's mandibular second premolars were transplanted to a congenitally edentulous maxillary premolar region...
February 2019: American Journal of Orthodontics and Dentofacial Orthopedics
https://read.qxmd.com/read/30712698/vertical-control-of-a-class-ii-deep-bite-malocclusion-with-the-use-of-orthodontic-mini-implants
#5
Min-Ho Jung
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. This case report shows the successful treatment of a patient with Class II deep bite and chin deficiency by means of intrusion of the maxillary and mandibular dentition with multiple orthodontic mini-implants...
February 2019: American Journal of Orthodontics and Dentofacial Orthopedics
https://read.qxmd.com/read/30712697/a-rodent-model-using-skeletal-anchorage-and-low-forces-for-orthodontic-tooth-movement
#6
Sudha Gudhimella, Abdelhamed Y Ibrahim, Divakar Karanth, Alex M Kluemper, Philip M Westgate, David A Puleo, Sarandeep S Huja
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. METHODS: Ninety Sprague-Dawley rats were divided into 5 time points. A miniscrew and a nickel titanium coil spring placed a load of 3 cN (experimental) or 0 cN (sham) on the maxillary first molar in a split-mouth design...
February 2019: American Journal of Orthodontics and Dentofacial Orthopedics
https://read.qxmd.com/read/30712696/photodynamic-inactivation-of-planktonic-cultures-and-streptococcus-mutans-biofilms-for-prevention-of-white-spot-lesions-during-orthodontic-treatment-an-in-vitro-investigation
#7
Maria Ângela Lacerda Rangel Esper, Juliana Campos Junqueira, Adjaci Fernandes Uchoa, Eduardo Bresciani, Alessandra Nara de Souza Rastelli, Ricardo Scarparo Navarro, Sérgio Eduardo de Paiva Gonçalves
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,2 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-)...
February 2019: American Journal of Orthodontics and Dentofacial Orthopedics
https://read.qxmd.com/read/30712695/mandibular-incisor-alignment-in-untreated-subjects-compared-with-long-term-changes-after-orthodontic-treatment-with-or-without-retainers
#8
Ulrike Schütz-Fransson, Rune Lindsten, Krister Bjerklin, Lars Bondemark
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...
February 2019: American Journal of Orthodontics and Dentofacial Orthopedics
https://read.qxmd.com/read/30712694/influence-of-facial-pattern-in-smile-attractiveness-regarding-gingival-exposure-assessed-by-dentists-and-laypersons
#9
Anderson Paulo Barbosa de Lima, Ana Cláudia de Castro Ferreira Conti, Leopoldino Capelozza Filho, Mauricio de Almeida Cardoso, Renata Rodrigues Almeida-Pedrin
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...
February 2019: American Journal of Orthodontics and Dentofacial Orthopedics
https://read.qxmd.com/read/30712693/evaluation-of-facial-soft-tissue-thickness-in-symmetric-and-asymmetric-subjects-with-the-use-of-cone-beam-computed-tomography
#10
Lílian Siqueira de Lima, Daniel Paludo Brunetto, Matilde da Cunha Gonçalves Nojima
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. Each point involved 3 variables: hard tissue distance (Hard-D), soft tissue distance (Soft-D), and soft tissue thickness (Soft-Th)...
February 2019: American Journal of Orthodontics and Dentofacial Orthopedics
https://read.qxmd.com/read/30712692/pharyngeal-airway-evaluation-following-isolated-surgical-mandibular-advancement-a-1-year-follow-up
#11
Gagan Deep Kochar, Mohit Sharma, Sanjay Kumar Roy Chowdhury, Sanjay Manohar Londhe, Prassana Kumar, Amit Jain, Akshay Madhukar Waingankar
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 ± 1.86 years). Acoustic pharyngometry measurements were recorded 1 week before surgery (T0), 2 months after surgery (T1), and 1 year after surgery (T2)...
February 2019: American Journal of Orthodontics and Dentofacial Orthopedics
https://read.qxmd.com/read/30712691/buccal-bone-plate-thickness-after-rapid-maxillary-expansion-in-mixed-and-permanent-dentitions
#12
Michele Vito Digregorio, Rosamaria Fastuca, Piero Antonio Zecca, Alberto Caprioglio, Manuel O Lagravère
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...
February 2019: American Journal of Orthodontics and Dentofacial Orthopedics
https://read.qxmd.com/read/30712690/short-term-cone-beam-computed-tomography-evaluation-of-maxillary-third-molar-changes-after-total-arch-distalization-in-adolescents
#13
Yoon-Jin Lee, Yoon-Ah Kook, Jae Hyun Park, Justyn Park, Mohamed Bayome, Nikhilesh R Vaid, Yoonji Kim
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). They were divided into MCPP and control groups. Cone-beam computed tomography images were taken before and after molar distalization (mean duration, 14...
February 2019: American Journal of Orthodontics and Dentofacial Orthopedics
https://read.qxmd.com/read/30712689/comparison-of-root-resorption-after-bone-borne-and-tooth-borne-rapid-maxillary-expansion-evaluated-with-the-use-of-microtomography
#14
Mucahid Yildirim, Mehmet Akin
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...
February 2019: American Journal of Orthodontics and Dentofacial Orthopedics
https://read.qxmd.com/read/30712688/understanding-factors-influencing-compliance-with-removable-functional-appliances-a-qualitative-study
#15
Anas El-Huni, Fiorella B Colonio Salazar, Pratik K Sharma, Padhraig S Fleming
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. A topic guide was used to standardize data collection...
February 2019: American Journal of Orthodontics and Dentofacial Orthopedics
https://read.qxmd.com/read/30712687/effectiveness-of-part-time-vs-full-time-wear-protocols-of-twin-block-appliance-on-dental-and-skeletal-changes-a-randomized-controlled-trial
#16
Jeet Parekh, Kate Counihan, Padhraig S Fleming, Nikolaos Pandis, Pratik K Sharma
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...
February 2019: American Journal of Orthodontics and Dentofacial Orthopedics
https://read.qxmd.com/read/30712686/what-the-world-needs-now-%C3%A2
#17
EDITORIAL
Peter M Greco
No abstract text is available yet for this article.
February 2019: American Journal of Orthodontics and Dentofacial Orthopedics
https://read.qxmd.com/read/30712684/author-s-response
#18
LETTER
Ronen Zoizner, Yael Arbel, Nirit Yavnai, Tal Becker, Galit Birnboim-Blau
No abstract text is available yet for this article.
February 2019: American Journal of Orthodontics and Dentofacial Orthopedics
https://read.qxmd.com/read/30712683/orthodontics-periodontics-relationship
#19
LETTER
Naphtali Brezniak, Atalia Wasserstein
No abstract text is available yet for this article.
February 2019: American Journal of Orthodontics and Dentofacial Orthopedics
https://read.qxmd.com/read/30712682/mandibular-molar-intrusion-with-mini-implants-and-the-multiloop-edgewise-archwire-technique
#20
LETTER
Nikhil Asok, Pratik Chandra, Kamlesh Singh, Ragni Tandon
No abstract text is available yet for this article.
February 2019: American Journal of Orthodontics and Dentofacial Orthopedics
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