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Journal of Orthodontic Science

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https://www.readbyqxmd.com/read/28717636/orthodontic-treatment-for-a-patient-with-multiple-sclerosis
#1
Manal A Bakathir
Multiple sclerosis (MS) is a chronic, autoimmune inflammatory disorder of the central nervous system (CNS) that affects myelinated axons, destroying the myelin and damaging axons to varying degrees. The course of MS is highly varied and unpredictable. Metals used during orthodontic treatment can negatively affect imaging techniques used to diagnose and monitor the progression of MS, while medications used to treat MS can negatively affect orthodontic tooth movement. The present case report highlights some of the challenges encountered during orthodontic treatment of a patient with MS and how to overcome them...
July 2017: Journal of Orthodontic Science
https://www.readbyqxmd.com/read/28717635/the-fabrication-of-a-customized-occlusal-splint-based-on-the-merging-of-dynamic-jaw-tracking-records-cone-beam-computed-tomography-and-cad-cam-digital-impression
#2
Katerina Aslanidou, Chung How Kau, Christos Vlachos, Tayem Abou Saleh
OBJECTIVES: The aim of this case report was to present the procedure of fabricating a customized occlusal splint, through a revolutionary software that combines cone beam computed tomography (CBCT) with jaw motion tracking (JMT) data and superimposes a digital impression. MATERIALS AND METHODS: The case report was conducted on a 46-year-old female patient diagnosed with the temporomandibular disorder. A CBCT scan and an optical impression were obtained. The range of the patient's mandibular movements was captured with a JMT device...
July 2017: Journal of Orthodontic Science
https://www.readbyqxmd.com/read/28717634/molar-distalization-with-2k-appliance-one-year-follow-up
#3
Tulika Tripathi, Priyank Rai, Navneet Singh
Correction of class II molars in growing patients with acceptable facial profile can be performed by distalization of maxillary first molars. However, in patients where compliance is difficult intraoral means of molar distalization is required. This case report describes the use and effectiveness of a novel 2K appliance in an 11-year-old female having an orthognathic profile, skeletal Class I relation, and Angle's Class II division 1 malocclusion with crowding of 8 mm and 3 mm in the maxillary and mandibular arches, respectively...
July 2017: Journal of Orthodontic Science
https://www.readbyqxmd.com/read/28717633/cementum-and-dentin-repair-following-root-damage-caused-by-the-insertion-of-self-tapping-and-self-drilling-miniscrews
#4
Majid Ghanbarzadeh, Farzin Heravi, Reihaneh Abrishamchi, Hooman Shafaee, Narges Ghazi, Parya Heravi, Hamid Ghanbarzadeh
OBJECTIVE: The aim of this study was to evaluate the histological responses of cementum, root dentin, and pulp following intentional root injuries caused via self-tapping and self-drilling miniscrews. MATERIALS AND METHODS: Fourteen patients (with a mean age of 15.7 years and age range of 14-18 years) who were scheduled for the extraction of all four first premolars as part of their orthodontic treatment plan participated in this study. The roots of the right and the left quadrants' first premolars were designedly injured using self-tapping miniscrews and self-drilling miniscrews, respectively...
July 2017: Journal of Orthodontic Science
https://www.readbyqxmd.com/read/28717632/effect-of-different-intracoronal-bleaching-methods-on-shear-bond-strength-of-ceramic-brackets-bonded-to-bleached-enamel-an-in-vitro-study
#5
Vikas Chauhan, Piush Kumar, Payal Sharma, Divya Shetty
OBJECTIVE: To investigate the effect of different intracoronal bleaching methods on the shear bond strength and site of failure of ceramic brackets. MATERIALS AND METHODS: Sixty freshly extracted human maxillary incisors were randomly divided into four groups (n = 15). Endodontic access cavity was prepared and root canals were filled, root fillings were removed 2mm apical to the cementoenamel junction, and a 2-mmthick layer of glass ionomer cement base was applied...
July 2017: Journal of Orthodontic Science
https://www.readbyqxmd.com/read/28717631/orthodontic-view-in-the-diagnoses-of-obstructive-sleep-apnea
#6
REVIEW
Saeed M Banabilh
Obstructive sleep apnea is an exciting area for orthodontists to be involved. The level of awareness of sleep apnea and related health issues is growing rapidly. The demand of integrating sleep into the orthodontic practice shortly will be driven by the need of the societies as some of our patients will be shortly coming into our offices aware of sleep apnea. However, with our busy clinical orthodontic practice, the need of condense short review become more demanding. Therefore, this review will try to summarize the clinical and orthodontic observation in the diagnoses of adult obstructive sleep apnea with clinical application in orthodontic practice...
July 2017: Journal of Orthodontic Science
https://www.readbyqxmd.com/read/28546961/early-correction-of-unilateral-scissor-bite-using-transforce-appliance-and-modified-twin-block-appliance
#7
Harshal Chandorikar, Arun Nagrik, Wasundhara A Bhad, Santosh J Chavan, Umal H Doshi
Early treatment of scissor bite has been advocated mainly to prevent function jaw shift that can eventually lead to permanent skeletal asymmetry and temporomandibular joint pathosis. Although unilateral scissor bite is more common, most of the times, bilateral mandibular expansion is indicated. Lingual transforce appliance can be useful in such cases. This article presents a patient with unilateral scissor bite in mixed dentition with alveolar narrowing. Transforce appliance was used for scissor bite correction followed by modified twin block appliance for stabilization and settling of occlusion till the eruption of premolars...
April 2017: Journal of Orthodontic Science
https://www.readbyqxmd.com/read/28546960/microshear-bond-strength-of-nano-bond-adhesive-containing-nanosized-aluminum-trioxide-particles
#8
Yousef Mohammed Althomali, Mohamed Ismail Ebrahim
OBJECTIVES: The present study was conducted to evaluate the effect of nanosized aluminum trioxide (Al2O3) particles when added to the Nano-Bond adhesive system and its effect on the microshear bond strength of nanocomposite resin to dentin. MATERIALS AND METHODS: A newly developed adhesive (Nano-Bond) and one type of light-cured resin restorative material (nanocomposite resin) were used in this study. The occlusal surfaces of extracted human molar teeth were ground perpendicular to the long axis of each tooth to expose a flat dentin surface...
April 2017: Journal of Orthodontic Science
https://www.readbyqxmd.com/read/28546959/an-evaluation-of-oral-health-related-quality-of-life-in-orthodontic-patients-treated-with-fixed-and-twin-blocks-appliances
#9
Emad Em Alzoubi, Racha Hariri, Kevin Mulligan, Nikolai Attard
OBJECTIVE: To study the impact of orthodontic treatment on the quality of life in two patient groups, one treated with the twin block appliance and the other with fixed appliances. MATERIALS AND METHODS: Ninety-eight patients, aged between 10 and 16 years, were recruited in the fixed (20 males and 29 females) or functional (29 males and 20 females) treatment groups. The oral health-related quality of life (OHRQoL) was measured before treatment and followed up at the end of the treatment...
April 2017: Journal of Orthodontic Science
https://www.readbyqxmd.com/read/28546958/effect-of-functional-appliances-on-the-airway-dimensions-in-patients-with-skeletal-class-ii-malocclusion-a-systematic-review
#10
Annapurna Kannan, Haritha Pottipalli Sathyanarayana, Sridevi Padmanabhan
OBJECTIVES: The aim of the present systematic review was to assess the effect of functional appliances on the airway dimensions in patients with skeletal Class II malocclusion. MATERIALS AND METHODS: Articles were identified through a literature survey carried out through the following databases: (1) PUBMED, (2) Google Scholar, (3) The Cochrane Library, (4) Embase, (5) Lilac, and (6) Web of Scholars. The systematic review analyzed 12 articles comprising removable functional appliances, 3 articles with fixed functional appliances, and 2 articles having both fixed and removable functional appliances...
April 2017: Journal of Orthodontic Science
https://www.readbyqxmd.com/read/28546957/radiographic-evaluation-of-dental-age-maturity-in-3-17-years-old-saudi-children-as-an-indicator-of-chronological-age
#11
Ayman A Al-Dharrab, Fahad F Al-Sulaimani, Mohamed S Bamashmous, Hosam A Baeshen, Khalid H Zawawi
OBJECTIVE: This study was aimed to evaluate the dental age in Saudi children from panoramic radiographs using the Demirjian method to estimate their chronological age. MATERIALS AND METHODS: This retrospective cross-sectional study consisted of 1902 panoramic radiographs of 955 boys and 947 girls between the ages of 3-17 years. All children were placed in the age group closest to their chronological age. The dental age was scored on all seven left mandibular teeth by calibrated examiners...
April 2017: Journal of Orthodontic Science
https://www.readbyqxmd.com/read/28546956/evaluation-of-nasal-proportions-in-adults-with-class-i-and-class-ii-skeletal-patterns-a-cephalometric-study
#12
Vinay V Umale, Kamlesh Singh, Aftab Azam, Madhvi Bhardwaj, Rohit Kulshrestha
AIM: The aim of this study was to evaluate sexual dimorphism in nasal proportions of Class I and Class II skeletal malocclusions in adults. MATERIAL AND METHODS: The sample comprised 120 patients (females 18 years and above and males 21 years and above), with no history of previous orthodontic treatment or functional jaw orthopedic treatment. They were divided into different groups based on point A-Nasion-point B (ANB) angle and gender. Groups I and II included 30 males and 30 females with skeletal class I malocclusion (ANB 0-4 degrees)...
April 2017: Journal of Orthodontic Science
https://www.readbyqxmd.com/read/28197400/effect-of-gingival-fibroblasts-and-ultrasound-on-dogs-root-resorption-during-orthodontic-treatment
#13
Jacqueline Crossman, Ali H Hassan, Ali Saleem, Nayef Felemban, Saleh Aldaghreer, Elham Fawzi, Mamdouh Farid, Khaled Abdel-Ghaffar, Ausama Gargoum, Tarek El-Bialy
OBJECTIVES: To investigate the effect of using osteogenic induced gingival fibroblasts (OIGFs) and low intensity pulsed ultrasound (LIPUS) on root resorption lacunae volume and cementum thickness in beagle dogs that received orthodontic tooth movement. MATERIALS AND METHODS: Seven beagle dogs were used, from which gingival cells (GCs) were obtained and were induced osteogenically to produce OIGFs. Each third and fourth premolar was randomly assigned to one of the five groups, namely, LIPUS, OIGFs, bone morphogenetic protein-2 (BMP-2), OIGFs + LIPUS, and control...
January 2017: Journal of Orthodontic Science
https://www.readbyqxmd.com/read/28197399/bolton-tooth-size-ratio-among-qatari-population-sample-an-odontometric-study
#14
Hayder A Hashim, Najah Al-Sayed, Hashim Al-Hussain
OBJECTIVES: To establish the overall and anterior Bolton ratio among a sample of Qatari population and to investigate whether there is a difference between males and females, as well as to compare the result obtained by Bolton. MATERIALS AND METHODS: The current study consisted of 100 orthodontic study participants (50 males and 50 females) with different malocclusions and age ranging between 15 and 20 years. An electronic digital caliper was used to measure the mesiodistal tooth width of all maxillary and mandibular permanent teeth except second and third molars...
January 2017: Journal of Orthodontic Science
https://www.readbyqxmd.com/read/28197398/efficacy-of-quercetin-flavonoid-in-recovering-the-postbleaching-bond-strength-of-orthodontic-brackets-a-preliminary-study
#15
Mana Shamsedin, Valiollah Arash, Masoud Babaei Jahromi, Ali Akbar Moghadamnia, Manouchehr Rahmati Kamel, Fariba Ezoji, Ali Bijani, Samira Kavoli, Tania Ghasemi, Gholamhossein Ramezani
OBJECTIVES: To evaluate comparatively the effect of quercetin on postbleaching shear bond strength (SBS) and adhesive remnant index (ARI). MATERIALS AND METHODS: Intact maxillary premolars were divided randomly into 12 groups of 10 each: (1) bonding the bracket immediately after bleaching, (2) bonding 1 week after bleaching, (3-8) application of three experimental concentrations of quercetin (0.1%, 0.5%, and 1%) at two time durations (5 and 10 min), (9-10) application of the solvent of quercetin at two time periods (5 and 10 min), (11) application of 10% sodium ascorbate for 10 min, and (12) bonding the brackets on nonbleached teeth...
January 2017: Journal of Orthodontic Science
https://www.readbyqxmd.com/read/28197397/timing-considerations-on-the-shear-bond-strength-of-orthodontic-brackets-after-topical-fluoride-varnish-applications
#16
Gianguido Cossellu, Valentina Lanteri, Andrea Butera, Nicola Laffi, Alberto Merlini, Giampietro Farronato
OBJECTIVES: To assess the best temporal association between the application of a fluoride varnish on enamel and bonding procedures. MATERIALS AND METHODS: Eighty mandibular bovine incisors were used. Teeth were divided into 4 groups (20 per group); Groups 1-3 were treated with fluoride varnish (Fluor Protector, Ivoclar Vivadent, Schaan, Liechtenstein), and Group 4 served as control with no pretreatment. Tooth were stored in deionized water (37°C) and subjected to thermal cycling for 400 (Group 1), 800 (Group 2), and 2500 (Group 3) cycles corresponding, respectively, to 15, 30, and 90 days in order to simulate the three different timing of bracket bonding...
January 2017: Journal of Orthodontic Science
https://www.readbyqxmd.com/read/28197396/comparison-of-the-effect-of-labiolingual-inclination-and-anteroposterior-position-of-maxillary-incisors-on-esthetic-profile-in-three-different-facial-patterns
#17
Praveen Chirivella, Gowri Sankar Singaraju, Prasad Mandava, V Karunakar Reddy, Jeevan Kumar Neravati, Suja Ani George
OBJECTIVE: To test the null hypothesis that there is no effect of esthetic perception of smiling profile in three different facial types by a change in the maxillary incisor inclination and position. MATERIALS AND METHODS: A smiling profile photograph with Class I skeletal and dental pattern, normal profile were taken in each of the three facial types dolichofacial, mesofacial, and brachyfacial. Based on the original digital image, 15 smiling profiles in each of the facial types were created using the FACAD software by altering the labiolingual inclination and anteroposterior position of the maxillary incisors...
January 2017: Journal of Orthodontic Science
https://www.readbyqxmd.com/read/27843888/age-and-gender-related-incisor-changes-in-different-vertical-craniofacial-relationships
#18
Amal I Linjawi
OBJECTIVE: To investigate the age- and gender-related changes in upper and lower incisors' position and inclination in different vertical craniofacial relationships. MATERIALS AND METHODS: A retrospective study on patients' records of age 8-48 years. The sample was divided based on Frankfort mandibular plane angle into three groups; normal, high, and low angle groups. It was then subdivided according to age. Upper and lower incisors' inclinations and positions were assessed from lateral cephalometric radiographs...
October 2016: Journal of Orthodontic Science
https://www.readbyqxmd.com/read/27843887/comparative-evaluation-and-influence-on-shear-bond-strength-of-incorporating-silver-zinc-oxide-and-titanium-dioxide-nanoparticles-in-orthodontic-adhesive
#19
Aileni Kaladhar Reddy, Prabhuraj B Kambalyal, Santosh R Patil, Mallikarjun Vankhre, Mohammed Yaser Ahmed Khan, Thamtam Ramana Kumar
OBJECTIVE: To investigate the influence of silver (Ag), zinc oxide (ZnO), and titanium dioxide (TiO2) nanoparticles on shear bond strength (SBS). MATERIALS AND METHODS: One hundred and twenty extracted premolars divided into four groups with thirty specimens in each group. Group 1 (control): brackets (American Orthodontics) were bonded with Transbond XT primer. Groups 2, 3, and 4: brackets (American Orthodontics) were bonded with adhesives incorporated with Ag, ZnO, and TiO2 nanoparticles in the concentration of 1...
October 2016: Journal of Orthodontic Science
https://www.readbyqxmd.com/read/27843886/fluoride-influences-nickel-titanium-orthodontic-wires-surface-texture-and-friction-resistance
#20
Mona Aly Abbassy
OBJECTIVES: The aim of this study was to investigate the effects exerted by the acidulated fluoride gel on stainless steel and nickel-titanium (Ni-Ti) orthodontic wires. MATERIALS AND METHODS: Sixty stainless steel and Ni-Ti orthodontic archwires were distributed into forty archwires used for in vitro study and twenty for in situ study. Fluoride was applied for 1 h in the in vitro experiment while it was applied for 5 min in the in situ experiment. The friction resistance of all wires with ceramic brackets before/after topical fluoride application was measured using a universal testing machine at 1 min intervals of moving wire...
October 2016: Journal of Orthodontic Science
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