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European Journal of Orthodontics

Caroline F W Sondeijker, Antoon A Lamberts, Stefan H Beckmann, Reinder B Kuitert, Koen van Westing, Saskia Persoon, Anne Marie Kuijpers-Jagtman
OBJECTIVES: To develop a clinical practice guideline on orthodontically induced external apical root resorption (EARR), with evidence-based and, when needed, consensus-based recommendations concerning diagnosis, risk factors, management during treatment, and after-treatment care. MATERIALS AND METHODS: The Appraisal of Guidelines for Research and Evaluation II instrument and the Dutch Method for Evidence-Based Guideline Development were used to develop the guideline...
May 14, 2019: European Journal of Orthodontics
Alexandra K Papadopoulou, Spyridon N Papageorgiou, Stavros A Hatzopoulos, Anastasios Tsirlis, Athanasios E Athanasiou
OBJECTIVE: To investigate the effects of orthodontic forced eruption (OFE) with the straight-wire appliance in the dimensions of the alveolar process when used for extracting compromised maxillary anterior teeth and implant site development. MATERIAL AND METHODS: Cone-beam computed tomography (CBCT) scans of 7 patients needing extraction of 17 maxillary anterior teeth were obtained before and immediately after OFE. Alveolar plate height and thickness measurements were performed on the buccal and palatal socket walls in CBCT sagittal cross sections...
May 13, 2019: European Journal of Orthodontics
Andrea E Tsatalis, Keiichiro Watanabe, Bobby Mitchell, Do-Gyoon Kim, Damian J Lee, Fengyuan Zheng, Hee-Moon Kyung, Toru Deguchi
BACKGROUND/OBJECTIVES: Primary stability is required for successful use of microscrew. This study investigated correlations among biomechanical, morphological, and clinical values in relationship to root contact and different placement locations. MATERIALS/METHODS: Thirty-three microscrews were placed between the molars (n = 18) or in the body of the mandible (n = 15) in three pigs. Insertion torque, Periotest, resonance frequency analysis (RFA), and static and dynamic stiffness were measured...
May 10, 2019: European Journal of Orthodontics
Bernardo Quiroga Souki, Michele Nieri, Chiara Pavoni, Helena Maria Pavan Barros, Tarcisio Junqueira Pereira, Veronica Giuntini, Paola Cozza, Lorenzo Franchi
AIM: To develop and validate a prediction model to forecast long-term stability of early treatment with rapid maxillary expansion (RME) and facemask (FM) in a large sample of Class III growing patients. METHODS: The Brazilian Group (BG) consisted of 73 consecutively treated Caucasian Class III patients (41 females and 32 males). Mean age at T0 (before treatment) was 7.1 ± 1.6 years, while mean age at T1 (long-term follow-up) was 21.8 ± 3.2 years. The Italian Group (IG, validation cohort) comprised 28 consecutively treated Caucasian Class III patients (14 females and 14 males, mean age at T0 9...
May 8, 2019: European Journal of Orthodontics
Chunxiao Lyu, Li Zhang, Shujuan Zou
BACKGROUND AND OBJECTIVES: The results from the literature regarding the influence of supplemental vibrational forces (SVFs) on orthodontic treatment are controversial. Therefore, this systematic review aimed to evaluate whether SVFs have positive effects, such as in accelerating tooth movement, alleviating pain, and preventing root resorption, in orthodontic patients. SEARCH METHODS: Searches through five electronic databases (PubMed, MEDLINE, EMBASE, Web of Science, and Cochrane Central) were complemented by hand searches up to January, 2019...
May 8, 2019: European Journal of Orthodontics
Vasileios F Zymperdikas, Maria P Yavropoulou, Eleftherios G Kaklamanos, Moschos A Papadopoulos
BACKGROUND: Bisphosphonates are a class of drugs prescribed for several osseous related disorders owing to their ability to regulate bone turnover, which could in turn affect orthodontic treatment outcomes. OBJECTIVE: To examine the effect of bisphosphonate (BP) use on orthodontic patients through clinical and radiographic measurements. SEARCH METHODS: Systematic and unrestricted search of 17 databases complemented with additional hand-searches were performed up to March 2019...
April 23, 2019: European Journal of Orthodontics
Eleni Alexopoulou, Georgios Polychronis, Dimitrios Konstantonis, Iosif Sifakakis, Spiros Zinelis, Theodore Eliades
BACKGROUND: Although ceramic brackets have been extensively used for decades in orthodontics there is not till today any study focusing on the possible deterioration of mechanical properties after in vivo ageing. OBJECTIVES: To determine whether the mechanical properties of alumina orthodontic brackets change after intraoral ageing thereby assessing the validity of a theoretical model established for the performance of ceramics in wet environments. MATERIALS AND METHODS: Two alumina brackets, one single crystal (Radiance, American Orthodontics, Sheboygan, WI) and one polycrystalline (Clarity, 3M, St...
April 23, 2019: European Journal of Orthodontics
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No abstract text is available yet for this article.
April 19, 2019: European Journal of Orthodontics
Ola Sollenius, Sofia Petrén, Lars Bondemark
No abstract text is available yet for this article.
April 11, 2019: European Journal of Orthodontics
Mohammed Almuzian, Mumen Z Rizk, Aman Ulhaq, Fahad Alharbi, Sawsan Alomari, Hisham Mohammed
BACKGROUND: Pain is an unpleasant side-effect that can be experienced during orthodontic procedures including debonding of fixed appliances. Pain experience can vary depending on the appliance, debonding technique, as well as adjunctive measures used. OBJECTIVES: The primary objective of this systematic review was to assess the effectiveness of different debonding techniques and adjunctive methods on pain/discomfort perception during debonding procedure (PDP) of fixed orthodontic appliances...
April 1, 2019: European Journal of Orthodontics
Saara Markkanen, Pekka Niemi, Markus Rautiainen, Outi Saarenpää-Heikkilä, Sari-Leena Himanen, Anna-Liisa Satomaa, Timo Peltomäki
OBJECTIVES: Paediatric obstructive sleep apnoea syndrome (OSAS) is associated with a range of changes in craniofacial and occlusal development. There is, however, little knowledge of how early in life these changes can be found. The aim of the present study was to determine whether changes in dental arch morphology, occlusion, facial profile, tonsil size, breathing habit or body mass index (BMI) can already be found among 2.5-year-old children with OSAS. MATERIALS AND METHODS: Fifty-two children were recruited to the study...
March 29, 2019: European Journal of Orthodontics
Nisa Gul Amuk, Gokmen Kurt, Asli Baysal, Gokhan Turker
OBJECTIVES: This was a parallel, assessor-blinded, randomized, non-controlled prospective trial with the objective to evaluate and compare the effects of maximum advancement (MA) and incremental advancement (IA) of mandible with cast-splint-type Herbst-rapid palatal expander (RPE) appliance on pharyngeal airway dimensions and hyoid bone position in skeletal Class II late adolescents and young adults. MATERIALS AND METHODS: A total of 48 patients (19 male and 29 female, mean age: 15...
March 20, 2019: European Journal of Orthodontics
Renato Faco, Marilia Yatabe, Lucia H S Cevidanes, Hilde Timmerman, Hugo J De Clerck, Daniela Garib
OBJECTIVES: The aim of this study was to evaluate the cephalometric outcome of bone-anchored maxillary protraction (BAMP) in individuals with unilateral complete cleft lip and palate (UCLP). MATERIAL AND METHODS: The experimental group (EG) comprised 23 individuals (17 males and 6 females) with UCLP and a mean age of 11.7 years. At least 6 months after secondary alveolar bone grafting, Bollard miniplates were installed in the posterior region of the maxilla and in the anterior region of the mandible...
March 13, 2019: European Journal of Orthodontics
Chiara Pavoni, Francesca Gazzani, Lorenzo Franchi, Saveria Loberto, Roberta Lione, Paola Cozza
OBJECTIVES: The objective of this study was to analyze soft tissue changes produced by rapid maxillary expansion and facial mask therapy in growing Class III patients. MATERIALS: The treated group consisted of 32 Caucasian patients (15 females and 17 males) with dentoskeletal Class III malocclusion treated with the Face Mask Protocol (FMP, rapid maxillary expander, facial mask, and removable lower bite-block). All patients were evaluated before treatment (T1; mean age, 8...
March 13, 2019: European Journal of Orthodontics
Elif Dilara Seker, Ahmet Yagci, Kevser Kurt Demirsoy
OBJECTIVES: To assess dental root development in two groups of paediatric patients who received treatments with reverse headgear and rapid maxillary expansion and slow maxillary dental arch expansion. MATERIALS AND METHODS: The 20 subjects (13 girls, 7 boys; mean age: 8.9 ± 1.3 years) in the first group were treated with a Petit-type reverse headgear attached to a full-coverage bonded rapid maxillary expander via elastics (RME&RHg group). The 20 subjects included in the second group (9 girls, 11 boys; mean age: 9...
March 11, 2019: European Journal of Orthodontics
Joy Chang, Po-Jung Chen, Eliane H Dutra, Ravindra Nanda, Sumit Yadav
OBJECTIVE: The primary objective of this study was to investigate how the extent of surgical insult affects the orthodontic tooth movement (OTM) and the alveolar bone modelling and remodelling in a rodent model. MATERIAL AND METHODS: 15-week-old male Wistar rats were used in the research and they were randomly divided into three treatment groups: (1) OTM only (N = 8); (2) OTM + 2 alveolar decortication (AD) (less surgical insult) (N = 8); and (3) OTM + 4 AD (more surgical insult) (N = 8)...
February 27, 2019: European Journal of Orthodontics
Ahmad J Swidi, Andreea E Griffin, Peter H Buschang
BACKGROUND: Although post-treatment mandibular alignment has been extensively investigated, the findings remain controversial. OBJECTIVES: The objective was to assess mandibular alignment changes, as measured by the irregularity index, of patients who underwent full-fixed orthodontic treatment and were followed up at least 1 year after retention. SEARCH METHODS: MEDLINE, EMBASE, and Cochrane library, in addition, the reference lists of included studies, were screened...
February 21, 2019: European Journal of Orthodontics
Raphael Patcas, Radu Timofte, Anna Volokitin, Eirikur Agustsson, Theodore Eliades, Martina Eichenberger, Michael Marc Bornstein
OBJECTIVES: To evaluate facial attractiveness of treated cleft patients and controls by artificial intelligence (AI) and to compare these results with panel ratings performed by laypeople, orthodontists, and oral surgeons. MATERIALS AND METHODS: Frontal and profile images of 20 treated left-sided cleft patients (10 males, mean age: 20.5 years) and 10 controls (5 males, mean age: 22.1 years) were evaluated for facial attractiveness with dedicated convolutional neural networks trained on >17 million ratings for attractiveness and compared to the assessments of 15 laypeople, 14 orthodontists, and 10 oral surgeons performed on a visual analogue scale (n = 2323 scorings)...
February 21, 2019: European Journal of Orthodontics
Un-Bong Baik, Hong-Beom Choi, Yoon-Ji Kim, Dong-Yul Lee, Junji Sugawara, Ravindra Nanda
Objective: To investigate the factors associated with the change in alveolar bone level of mandibular second and third molars after second molar protraction into the space of the missing first molar (L6) or second premolar (LE). Methods: Fifty-one patients in whom space of the missing L6 or LE was treated with second molar protraction (13 males, 38 females, mean age 19.6 ± 4.7 years) from 2003 to 2015 were included. The alveolar bone level and position and angulation of the mandibular second and third molars were measured in panoramic radiographs at pre-treatment (T1), and after the alignment of the third molars following second molar protraction (T2)...
February 2, 2019: European Journal of Orthodontics
Kohei Nakatsugawa, Hiroshi Kurosaka, Toshihiro Inubushi, Gozo Aoyama, Yukako Isogai, Yu Usami, Satoru Toyosawa, Takashi Yamashiro
Objective: The aim of this study was to investigate the toxic effect of cyclophosphamide (CPA) in the development of rodent molars. Methods: CPA was administered intraperitoneally in postnatal mice between Day 1 and Day 10, and the morphological phenotype was evaluated at Day 26 using micro-computed tomography and histological analysis, including cell proliferation and cell death analyses. Results: M3 molars of the mice who received 100 mg/kg CPA treatment at Day 6 or M2 molars who received treatment at Day 1 resulted in tooth agenesis or marked hypoplasia...
February 2, 2019: European Journal of Orthodontics
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