Read by QxMD icon Read

Orthodontics & Craniofacial Research

M S van der Linden, S Vucic, D J F van Marrewijk, E M Ongkosuwito
OBJECTIVE: In children with Down syndrome, the timing of dental eruption is important for orthodontics treatment planning. Aim of this study was to determine whether tooth eruption and development of the dentition in children with Down syndrome are impaired. MATERIAL AND METHODS: Dental development was scored on orthopantomograms (OPTs) of 95 children with Down syndrome. The dental age was determined at the left mandibular side according to the Demirjian method and by converting the assigned scores to the dental maturity score...
February 16, 2017: Orthodontics & Craniofacial Research
A H Abdi, M Nouri
OBJECTIVES: We introduce a weighted method for superimposition of serial digital maxillary models based on the variable stability of rugae points. SETTING AND SAMPLE POPULATION: Plaster maxillary models of 24 randomly selected 12-year-olds as well as their models at the age of 14 were obtained and scanned using a benchtop structured-light 3D scanner. METHODS: The models were registered twice, once via the unweighted and again via the proposed weighted rugae superimposition method based on 12 rugae landmarks...
February 1, 2017: Orthodontics & Craniofacial Research
M S Alhammadi, M S Fayed, A Labib
OBJECTIVES: This study sought to investigate the three-dimensional (3D) changes in anteroposterior, vertical and mediolateral positions and orientations of the mandibular condyle as well as joint space parameters following maxillary first premolar extraction and incisor retraction in skeletal Class II patients. SETTING AND SAMPLE POPULATION: Thirty patients were treated by orthodontic maxillary first premolar extraction at the Faculty of Oral and Dental Medicine, Cairo University, Egypt...
February 1, 2017: Orthodontics & Craniofacial Research
E Biondi, A Bandini, L Lombardo, S Orlandi, G Siciliani, C Manfredi
OBJECTIVES: To investigate possible changes and/or device-related impairments in phonetic habits produced by rapid maxillary expansion (RME). MATERIALS AND METHODS: Thirty-five patients scheduled for RME were divided into two groups: Group A (banded two-arm Hyrax) and Group B (banded four-arm Hyrax). Speech samples were collected at six time points, before, during and after RME removal. Acoustical analysis was performed using PRAAT and BioVoice analysis tools. Ten volunteers completed a questionnaire on the acceptability of patient's speech...
February 2017: Orthodontics & Craniofacial Research
G P Molina Da Silva, O M Tanaka, D F Campos Navarro, C E Repeke, G P Garlet, O Guariza-Filho, P C Trevilatto
OBJECTIVES: The aim of this study was to analyze MMP-1 transcript levels in periodontal tissues of rats that underwent orthodontic treatment using potassium diclofenac and dexamethasone at different stages of tooth movement. SETTING AND SAMPLE POPULATION: The sample comprised of ninety male Wistar rats. MATERIAL AND METHODS: A closed nickel-titanium coil spring was used to apply a force of 50 cN to move the maxillary right first molars mesially...
February 2017: Orthodontics & Craniofacial Research
Furkan Dindaroğlu, Servet Doğan, Sonia Amado, Ege Doğan
OBJECTIVES: To test the hypotheses that there are differences between orthodontists, individuals with cleft lip and palate (CLP) and laypersons in the visual perception of faces with unilateral (UCLP) and bilateral cleft lip and palate (BCLP), the faces with UCLP and BCLP are visually perceived differently and the hierarchy of visual attention changes when viewing individuals with CLP. SETTING AND SAMPLE POPULATION: Department of Orthodontics and Experimental Psychology at Ege University, İzmir...
February 2017: Orthodontics & Craniofacial Research
J E Jung, M J Song, S Shin, Y J Choi, K H Kim, C J Chung
OBJECTIVES: To enhance myogenic differentiation in pulp cells isolated from extracted premolars by epigenetic modification using a DNA demethylation agent, 5-aza-2'-deoxycytidine (5-Aza), and to evaluate the potent stimulatory effect of 5-Aza-treated pulp cell injection for craniofacial muscle regeneration in vivo. SETTING AND SAMPLE POPULATION: Pulp cells were isolated from premolars extracted for orthodontic purposes from four adults (age range, 18-22.1 years)...
February 2017: Orthodontics & Craniofacial Research
H Singh, R K Maurya, P Kapoor, P Sharma, D Srivastava
AIM AND OBJECTIVES: To analyze the relationship between subjective and objective evaluations of pre-treatment posed smiles in patients with facial asymmetry and to assess the influence of dentofacial structures involved in asymmetry on the perception of smile attractiveness. SAMPLE: Thirty-five patients (25 males and 10 females) between 18 and 25 years of age with facial asymmetry were selected. MATERIALS AND METHODS: Pre-treatment clinical photographs of posed smiles were subjectively evaluated by a panel of 20 orthodontists, 20 oral surgeons, and 20 laypersons...
February 2017: Orthodontics & Craniofacial Research
J P Schwartz, R C M C Lauris, G Dalbén, D G Garib
OBJECTIVE: To compare the prevalence of dental anomalies in patients with isolated cleft palate with or without hypodontia of the second premolar. SETTING AND SAMPLE POPULATION: A total of 653 patients with isolated cleft palate aged 8-12 years were divided into two groups: G1-subjects without hypodontia of second premolar (n = 546) and G2-subjects with hypodontia of at least one-second premolar (n = 107). The control group consisted of 107 non-cleft orthodontic patients...
February 2017: Orthodontics & Craniofacial Research
(no author information available yet)
No abstract text is available yet for this article.
November 2016: Orthodontics & Craniofacial Research
M R Giuca, R Inglese, S Caruso, R Gatto, G Marzo, M Pasini
OBJECTIVE: To investigate craniofacial characteristics in pediatric patients with Prader-Willi syndrome (PWS). SETTING AND SAMPLE POPULATION: A retrospective sample of 20 consecutive patients with PWS who had lateral and antero-posterior (AP) cephalograms (14 males and six females; average age 10.2 ± 3 years) was compared to 20 controls matched for age and sex (14 males and six females; average age 10.5 ± 3.7 years). MATERIALS AND METHODS: Cephalometric skeletal measurements were performed twice at a 1-week interval by one calibrated operator, and random error was calculated using Dahlberg's formula...
November 2016: Orthodontics & Craniofacial Research
L Eslamian, H Gholami, S A R Mortazavi, S Soheilifar
AIM: To compare the effectiveness of 5% benzocaine gel and placebo gel on reducing pain caused by fixed orthodontic appliance activation. SETTING AND SAMPLE POPULATION: Thirty subjects (15-25 years) undergoing fixed orthodontics. METHODS AND MATERIALS: A randomized, double-blind, placebo-controlled and cross-over clinical trial study was conducted. Subjects were asked to apply a placebo gel and 5% benzocaine gel, exchangeable in two consecutive appointments, twice a day for 3 days and mark their level of pain on a VAS scale...
November 2016: Orthodontics & Craniofacial Research
T Jovic, A Pavlic, S Varga, D Kovacevic Pavicic, M Slaj, S Spalj
OBJECTIVES: The observational study investigated whether women's perception of the facial profile is related to changes in sex hormones during the menstrual cycle and under the influence of personality traits. SETTING AND SAMPLE POPULATION: Participants were heterosexual Caucasian normally menstruating women not using oral contraceptives (N = 30, aged 20-44 years). MATERIAL AND METHODS: The profile attractiveness was assessed by grading of thirteen men's and women's Caucasian profile distortions by a visual analogue scale (0 = least to 100 = most attractive) in the non-ovulating phase and ovulating phase of the menstrual cycle...
November 2016: Orthodontics & Craniofacial Research
W J Rody, S Elmaraghy, A M McNeight, C A Chamberlain, D Antal, C Dolce, T T Wheeler, S P McGorray, L M Shaddox
OBJECTIVES: To test the following two hypotheses: 1) different types of retainers result in distinct levels of biomarkers in gingival crevicular fluid (GCF) and 2) the retainer bonded to all mandibular anterior teeth induces more detrimental outcomes to the periodontium. SETTING AND SAMPLE POPULATION: The Department of Orthodontics at the University of Florida. The population consisted of individuals in the retention phase of orthodontic treatment. MATERIAL AND METHODS: This was a cross-sectional study that enrolled 36 individuals...
November 2016: Orthodontics & Craniofacial Research
I Ferros, M J Mora, I F Obeso, P Jimenez, A Martinez-Insua
OBJECTIVES: There is controversy regarding the relationship between mandibular position and alterations of the cranial base that provoke a more anterior location of the glenoid fossa. Artificially deformed skulls display marked alterations of the cranial base. This study evaluates mandibular changes as function of the morphology of the cranial base in these skulls. MATERIAL AND METHODS: A geometric morphometric study was performed on lateral cephalometric X-rays of three groups of skulls: 32 with anteroposterior deformity, 17 with circumferential deformity and 39 with no apparent deformity...
November 2016: Orthodontics & Craniofacial Research
X Han, H Lu, S Li, Y Xu, N Zhao, Y Xu, W Zhao
OBJECTIVES: To evaluate and compare the cellular morphologic changes and proliferating cell nuclear antigen (PCNA) expression within craniofacial sutures in growing Rhesus monkeys treated with a Class III functional appliance. MATERIALS AND METHODS: Six Rhesus monkeys in the mixed dentition stage were divided into three groups: a 45-day experimental group, a 90-day experimental group, and a control group. Monkeys in the experimental groups were fitted with a Class III magnetic twin-block appliance...
November 2016: Orthodontics & Craniofacial Research
Y Wagner, R Heinrich-Weltzien
OBJECTIVES: To evaluate changes in occlusal characteristics in the primary dentition that occur after introducing a thin-neck pacifier (TNP) to children with previously diagnosed pacifier-associated anterior open bite (AOB) and increased overjet. SETTING AND SAMPLE POPULATION: Department of Preventive and Pediatric Dentistry, Jena University Hospital, Germany. Subjects were 86 children (mean age 20.3 months) with a pacifier-associated open bite or overjet ≥2 mm...
August 2016: Orthodontics & Craniofacial Research
M Barbosa, E P Vieira, C C A Quintão, D Normando
OBJECTIVE: To evaluate facial morphology of non-mixed indigenous people living in the Xingu region. Studies on these populations report that the total genetic diversity is as high as that observed for other continental populations. On the other hand, eating habits are different between indigenous and urban population, as indigenous people still have traditional habits. SETTING AND SAMPLE POPULATION: The sample consisted of 106 indigenous subjects, in permanent dentition stage, belonging to four groups: Arara-Laranjal (n = 35), Arara-Iriri (n = 20), Xikrin-Kaiapó (n = 24), and Assurini (n = 27)...
August 2016: Orthodontics & Craniofacial Research
T B Sadikoglu, D Nalbantgil, F Ulkur, N Ulas
OBJECTIVE: To evaluate the histomorphometric effects of different molecular weight hyaluronic acid on bone formation in rats after expansion of the interpremaxillary suture. MATERIAL AND METHODS: Twenty-four male Sprague Dawley rats were divided into three groups. Each group was subjected to expansion for 5 days and retention for 10 days. Group 1 received 50 μl of high molecular weight hyaluronic acid (HMWHA), group 2 received 50 μl of low molecular weight hyaluronic acid (LMWHA), and the control group received same amount of saline solution to the interpremaxillary suture...
August 2016: Orthodontics & Craniofacial Research
H B Marques, F F Richter, L Heck, L L Xavier, D de Campos
OBJECTIVES: To measure the lengths of the force and resistance arms, in order to calculate the mechanical advantage and muscular work of the human temporalis muscle (TM) in brachyfacial (BR) and dolichofacial (DO) subjects. SETTING AND SAMPLE POPULATION: Mandibles from 49 subjects of both genders (BR n = 9; DO n = 40) from the collection of the Laboratory of Human Anatomy at Universidade de Santa Cruz do Sul, Rio Grande do Sul, Brazil, were analyzed. MATERIAL AND METHODS: The distance between the condylar process and the coronoid process (insertion site of the TM) represented the length of the force arm (LFA ) of the TM...
August 2016: Orthodontics & Craniofacial Research
Fetch more papers »
Fetching more papers... Fetching...
Read by QxMD. Sign in or create an account to discover new knowledge that matter to you.
Remove bar
Read by QxMD icon Read

Search Tips

Use Boolean operators: AND/OR

diabetic AND foot
diabetes OR diabetic

Exclude a word using the 'minus' sign

Virchow -triad

Use Parentheses

water AND (cup OR glass)

Add an asterisk (*) at end of a word to include word stems

Neuro* will search for Neurology, Neuroscientist, Neurological, and so on

Use quotes to search for an exact phrase

"primary prevention of cancer"
(heart or cardiac or cardio*) AND arrest -"American Heart Association"