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American Journal of Orthodontics and Dentofacial Orthopedics

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https://www.readbyqxmd.com/read/29706224/poaching-employees
#1
EDITORIAL
Laurance Jerrold
No abstract text is available yet for this article.
May 2018: American Journal of Orthodontics and Dentofacial Orthopedics
https://www.readbyqxmd.com/read/29706223/three-dimensional-mandibular-regional-superimposition-in-growing-patients
#2
Tung Nguyen, Lucia Cevidanes, Lorenzo Franchi, Antonio Ruellas, Tate Jackson
INTRODUCTION: The aims of this study were to identify stable mandibular structures in 3 dimensions in growing patients using a regional implant technique and to test the reproducibility of mandibular regional superimposition in 3 dimensions using the regions identified. METHODS: Three-dimensional voxel-based regional mandibular registrations were performed on bone plates, and screws were placed in the anterior chin and symphysis regions of 20 growing patients (mean age, 12...
May 2018: American Journal of Orthodontics and Dentofacial Orthopedics
https://www.readbyqxmd.com/read/29706222/using-a-single-cone-beam-computed-tomography-scan-to-obtain-full-occlusal-details-with-the-mandible-in-centric-relation-and-maximum-intercuspation
#3
Amr Ragab El-Beialy, Ayman El Nigoumi, Amgad Kaddah, Hisham Afify
INTRODUCTION: One obstacle with the implementation of digital technology in orthodontics is the acquisition of occlusal details while maintaining the mandible in the full interdigitation position. With 1 cone-beam computed tomography (CBCT) scan of the patient and 1 digital scan of the patient's dental models in occlusion, it might be possible to obtain full occlusal details and generate 2 volumes, with the mandible in centric relation and maximum intercuspation positions. The purpose of this article was to describe the technique...
May 2018: American Journal of Orthodontics and Dentofacial Orthopedics
https://www.readbyqxmd.com/read/29706221/orthodontic-treatment-of-a-patient-with-maxillary-lateral-incisors-with-dens-invaginatus-6-year-follow-up
#4
Guilherme Thiesen, Donald R Oliver, Eustáquio A Araújo
INTRODUCTION: Dens invaginatus is an anomaly of dental development in which calcified tissues, such as enamel and dentin, are invaginated into the pulp cavity. This morphologic alteration is more frequent in maxillary permanent lateral incisors and makes them more susceptible to carious lesions and pulp alterations. METHODS: This case report describes a patient with maxillary lateral incisors affected by dens invaginatus. The maxillary right lateral incisor had already undergone endodontic treatment, and the maxillary left one had a periapical lesion...
May 2018: American Journal of Orthodontics and Dentofacial Orthopedics
https://www.readbyqxmd.com/read/29706220/asymmetric-extractions-in-a-patient-with-a-hopeless-maxillary-central-incisor-followed-by-treatment-with-mini-implant-anchorage
#5
Min-Ho Jung
Premolar extraction is 1 option for treatment of patients with malocclusion and severe crowding or protrusion. When the patient has missing or hopeless teeth other than premolars, it is possible to consider removal of those teeth to use the space to decrease crowding. A 15-year-old girl sought treatment for severe crowding. She had already lost her maxillary right first premolar as a result of caries 1 year previously and had a hopeless maxillary right central incisor. Her mandibular left first molar still caused discomfort even after endodontic treatment...
May 2018: American Journal of Orthodontics and Dentofacial Orthopedics
https://www.readbyqxmd.com/read/29706219/factors-affecting-treatment-duration-of-labial-inversely-impacted-maxillary-central-incisors
#6
Chandradev Bhikoo, Jing Xu, Hao Sun, Chenrui Jin, Huixi Jiang, Rongdang Hu
INTRODUCTION: A labial inversely impacted maxillary central incisor is a relatively rare occurrence. The crown of the tooth is directed upward, and its palatal aspect is facing labially. This typical orientation can be the result of trauma to the deciduous incisor transmitted to the palatal side of the crown of the permanent incisor. Labial inversely impacted maxillary central incisors are most commonly combined with labial-lingual root dilacerations. The aim of this study was to examine factors that affect the surgical-orthodontic treatment duration of labial inversely impacted maxillary central incisors...
May 2018: American Journal of Orthodontics and Dentofacial Orthopedics
https://www.readbyqxmd.com/read/29706218/prediction-of-the-occurrence-and-severity-of-mandibular-incisor-crowding-in-the-early-mixed-dentition-using-craniofacial-parameters
#7
Ahmadreza Sardarian, Faezeh Ghaderi
INTRODUCTION: With the recent interest in esthetics at an early age, prediction of mandibular incisor crowding is of significant importance. Since dental arch development is related to craniofacial growth, we conducted a cohort study to find a regression model for mandibular incisor crowding based on various craniofacial parameters in children. METHODS: A total of 250 children, all in the early mixed dentition, were selected randomly by cluster sampling from primary schools...
May 2018: American Journal of Orthodontics and Dentofacial Orthopedics
https://www.readbyqxmd.com/read/29706217/three-dimensional-evaluation-of-dentofacial-transverse-widths-of-adults-with-various-vertical-facial-patterns
#8
Soonshin Hwang, Seokjin Jeong, Yoon Jeong Choi, Chooryung J Chung, Hye Sun Lee, Kyung-Ho Kim
INTRODUCTION: The purpose of this study was to investigate maxillomandibular transverse widths and molar inclinations of adults with hypodivergent, normodivergent, and hyperdivergent facial patterns using cone-beam computed tomography. METHODS: We evaluated Class I subjects (55 men, 66 women) who were divided into hypodivergent (<27°), normodivergent (28°-37°), and hyperdivergent (>38°) groups by their mandibular plane angles. Frontal and coronal views of the images were analyzed...
May 2018: American Journal of Orthodontics and Dentofacial Orthopedics
https://www.readbyqxmd.com/read/29706216/three-dimensional-computed-tomography-analysis-of-mandibular-morphology-in-patients-with-facial-asymmetry-and-mandibular-retrognathism
#9
Kug-Ho You, Kyung-Ho Kim, Kee-Joon Lee, Hyoung-Seon Baik
INTRODUCTION: The purpose of this study was to analyze the morphologic features of skeletal units in the mandibles of patients with facial asymmetry and mandibular retrognathism using cone-beam computed tomography. METHODS: The subjects consisted of 50 adults with facial asymmetry and mandibular retrognathism, divided into the symmetry group (n = 25) and the asymmetry group (n = 25) according to the degree of menton deviation. Three-dimensional computed tomography scans were obtained with cone beam computed tomography...
May 2018: American Journal of Orthodontics and Dentofacial Orthopedics
https://www.readbyqxmd.com/read/29706215/longitudinal-eruptive-and-posteruptive-tooth-movements-studied-on-oblique-and-lateral-cephalograms-with-implants
#10
Xiaoyun Zhang, Sheldon Baumrind, Gui Chen, Huizhong Chen, Yi Liang, Tianmin Xu
INTRODUCTION: The purpose of this study was to investigate the eruptive and posteruptive tooth displacements of untreated growing subjects longitudinally and the potential connections between posteruptive displacement of the maxillary and mandibular first molars and skeletal facial growth. METHODS: The sample comprised 11 series of right 45° oblique cephalograms and lateral cephalograms of untreated children with metallic implants of the Björk type obtained from the archives of a growth study...
May 2018: American Journal of Orthodontics and Dentofacial Orthopedics
https://www.readbyqxmd.com/read/29706214/evaluation-of-facial-asymmetry-in-patients-with-juvenile-idiopathic-arthritis-correlation-between-hard-tissue-and-soft-tissue-landmarks
#11
Stalo Economou, Peter Stoustrup, Kasper Dahl Kristensen, Michel Dalstra, Annelise Küseler, Troels Herlin, Thomas Klit Pedersen
INTRODUCTION: The aims of this study were to assess the correlation between facial hard and soft tissue asymmetry in patients with juvenile idiopathic arthritis, to identify valid soft tissue points for clinical examination, and to assess the smallest clinically detectable level of dentofacial asymmetry. METHODS: Full-face cone-beam computed tomography scans and 3-dimensional photographs were used to assess facial hard and soft tissue asymmetry in 21 patients with juvenile idiopathic arthritis...
May 2018: American Journal of Orthodontics and Dentofacial Orthopedics
https://www.readbyqxmd.com/read/29706213/influence-of-orthodontic-mini-implant-penetration-of-the-maxillary-sinus-in-the-infrazygomatic-crest-region
#12
Xueting Jia, Xing Chen, Xiaofeng Huang
INTRODUCTION: Mini-implants are widely used for predictable tooth movements, but insertion is often restricted by anatomic structures. The aims of this study were to investigate the incidence of penetration of mini-implants into the sinus and the relationship between penetration depth and sinus tissue. METHODS: Data from 32 patients who received mini-implants in the infrazygomatic crest were collected from a data base. The success rate of mini-implants was determined by clinical retrospective analysis...
May 2018: American Journal of Orthodontics and Dentofacial Orthopedics
https://www.readbyqxmd.com/read/29706212/gingival-recession-in-orthodontic-patients-10-to-15-years-posttreatment-a-retrospective-cohort-study
#13
Meret Gebistorf, Marco Mijuskovic, Nikolaos Pandis, Piotr S Fudalej, Christos Katsaros
INTRODUCTION: The aims of this study were to retrospectively investigate the long-term development of gingival recession in a cohort of orthodontic patients and to compare the prevalence of gingival recession in orthodontically treated patients 10 to 15 years posttreatment to that of untreated subjects with malocclusion. METHODS: The sample included 88 patients with mean ages of 12.1 years (SD, 2.4 years) at pretreatment, 15.1 years (SD, 2.4 years) at posttreatment, and 27...
May 2018: American Journal of Orthodontics and Dentofacial Orthopedics
https://www.readbyqxmd.com/read/29706211/age-dependent-biologic-response-to-orthodontic-forces
#14
Mani Alikhani, Michelle Y Chou, Edmund Khoo, Sarah Alansari, Rachel Kwal, Tali Elfersi, Abdullah Almansour, Chinapa Sangsuwon, Mohammed Al Jearah, Jeanne M Nervina, Cristina C Teixeira
INTRODUCTION: Orthodontic tooth movement results from increased inflammation and osteoclast activation. Since patients of all ages now routinely seek orthodontics treatment, we investigated whether age-dependent biologic responses to orthodontic force correlate with the rate of tooth movement. METHODS: We studied 18 healthy subjects, adolescents (11-14 years) and adults (21-45 years), with Class II Division 1 malocclusion requiring 4 first premolar extractions...
May 2018: American Journal of Orthodontics and Dentofacial Orthopedics
https://www.readbyqxmd.com/read/29706210/influence-of-antibiotic-prophylaxis-on-the-stability-of-orthodontic-microimplants-a-pilot-randomized-controlled-trial
#15
RANDOMIZED CONTROLLED TRIAL
Jan Łyczek, Beata Kawala, Joanna Antoszewska-Smith
INTRODUCTION: The aims of this 2-arm parallel pilot randomized controlled trial were to investigate the influence of antibiotic prophylaxis on the stability of orthodontic microimplants and to evaluate the efficacy of systemic inflammatory marker measurements in detecting infections in tissues surrounding microscrews. METHODS: Orthodontic patients requiring en-masse distalization in the maxilla received antibiotics or a placebo before microimplant placement. Eligibility criteria included 13 years of age, and good general and oral health...
May 2018: American Journal of Orthodontics and Dentofacial Orthopedics
https://www.readbyqxmd.com/read/29706209/on-being-human
#16
EDITORIAL
Peter M Greco
No abstract text is available yet for this article.
May 2018: American Journal of Orthodontics and Dentofacial Orthopedics
https://www.readbyqxmd.com/read/29706207/prevalence-of-gingival-recession-after-orthodontic-tooth-movements
#17
LETTER
Samuel A Finkleman, Burcu Bayirli
No abstract text is available yet for this article.
May 2018: American Journal of Orthodontics and Dentofacial Orthopedics
https://www.readbyqxmd.com/read/29706206/authors-response
#18
LETTER
Jason W Morris, Phillip M Campbell, Larry P Tadlock, Jimmy Boley, Peter H Buschang
No abstract text is available yet for this article.
May 2018: American Journal of Orthodontics and Dentofacial Orthopedics
https://www.readbyqxmd.com/read/29706205/principles-of-ethical-practice
#19
EDITORIAL
Edward Chopper Snyder
No abstract text is available yet for this article.
May 2018: American Journal of Orthodontics and Dentofacial Orthopedics
https://www.readbyqxmd.com/read/29602353/qualified-immunity-pure-heart-and-empty-head
#20
EDITORIAL
Laurance Jerrold
No abstract text is available yet for this article.
April 2018: American Journal of Orthodontics and Dentofacial Orthopedics
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