Archive for the ‘researches 4’ Category
Sunday, March 16th, 2008
Voice over Internet protocol for the orthodontic practice: a sensible switch from plain old telephone service.
Voice over Internet protocol (VoIP) is a revolutionary new technology that is causing a stir in the telecommunications industry and threatening the existence of traditional telephone service providers. Based on ...
Posted in researches 4 | No Comments »
Sunday, March 16th, 2008
\'An adept in medicine\': the Reverend Dr William Laing, nervous complaints and the commodification of spa water.
This essay addresses mineral water as a medical, experimental and economic material. It focuses on the career of the Reverend Dr William Laing (1742-1812), a physician and cleric who ...
Posted in researches 4 | No Comments »
Sunday, March 16th, 2008
Correction of a Class III malocclusion with over 20 mm of space to close in the maxilla by using miniscrews for extra anchorage.
Unilateral closure of maxillary extraction spaces in patients with Class III malocclusion can be challenging. This case report describes the closure of first ...
Posted in researches 4 | No Comments »
Sunday, March 16th, 2008
Midfacial protraction with skeletally anchored face mask therapy: a novel approach and preliminary results.
INTRODUCTION: The purpose of this pilot study was to investigate the effects of facemask treatment with a rigid skeletal anchor. METHODS: Miniplates were placed on the lateral nasal wall of the maxilla ...
Posted in researches 4 | No Comments »
Sunday, March 16th, 2008
Evaluation of catch-up growth from orthodontic treatment and supplemental growth hormone therapy by using Z-scores.
Pituitary dwarfism causes short stature due to partial or complete inhibition of growth hormone (GH) secretion. Supplemental therapy with human GH (rhGH) accelerates the statural growth of patients, but there is ...
Posted in researches 4 | No Comments »
Sunday, March 16th, 2008
Effect of chlorhexidine varnish application on mutans streptococci counts in orthodontic patients.
INTRODUCTION: Enamel demineralization occurs frequently around orthodontic brackets. High levels of mutans streptococci (MS) increase the risk of caries. The hypotheses tested in this study were that high-frequency application of 40% chlorhexidine varnish (40%CHX) ...
Posted in researches 4 | No Comments »
Sunday, March 16th, 2008
Kinetics of fluoride release from and reuptake by orthodontic cements.
INTRODUCTION: The purposes of this in-vitro study were to compare the fluoride-release profiles and the fluoride release, reuptake, and rerelease characteristics of orthodontic cements before and after topical fluoride treatment. METHODS: The orthodontic cements tested were ...
Posted in researches 4 | No Comments »
Sunday, March 16th, 2008
Duration of elastomeric separation and effect on interproximal contact point characteristics.
INTRODUCTION: The common protocol of a week-long duration of elastomeric separators to facilitate band placement usually causes discomfort. In this study, we examined the minimum separation time required to create an interproximal space >0.16 mm ...
Posted in researches 4 | No Comments »
Sunday, March 16th, 2008
Importance of pumice prophylaxis for bonding with self-etch primer.
INTRODUCTION: Self-etching primers (SEP) have simplified the orthodontic bonding process, but questions have arisen regarding their reliability and efficiency. The goal of this study was to assess the importance of a pumice prophylaxis before bonding in reducing ...
Posted in researches 4 | No Comments »
Sunday, March 16th, 2008
Force levels of fiber-reinforced composites and orthodontic stainless steel wires: a 3-point bending test.
INTRODUCTION: The purpose of this study was to evaluate the force levels of 2 sizes (diameters, 0.6 and 1.2 mm) of fiber-reinforced composites (FRCs) (Ever Stick; Stick Teck Ltd, Turku, Finland) compared ...
Posted in researches 4 | No Comments »
Sunday, March 16th, 2008
Effects of Class III magnetic orthopedic forces on the craniofacial sutures of rhesus monkeys.
INTRODUCTION: The objectives of this study were to develop an intraoral intermaxillary Class III magnetic orthopedic appliance (MOA-III), to investigate the influence of Class III orthopedic forces on the craniofacial sutures of ...
Posted in researches 4 | No Comments »
Sunday, March 16th, 2008
Sagittal mandibular changes with overbite correction in subjects with different mandibular growth directions: late mixed-dentition treatment effects.
INTRODUCTION: This study involved the assessment of pretreatment and posttreatment lateral cephalograms from late mixed-dentition patients with Class II Division 1 and Division 2 malocclusions with mild mandibular crowding. ...
Posted in researches 4 | No Comments »
Sunday, March 16th, 2008
Phases of the dentition for the assessment of skeletal maturity: a diagnostic performance study.
INTRODUCTION: The aim of this study was to analyze the relationship between the circumpubertal phases of the dentition (early mixed, intermediate mixed, late mixed, early permanent) and skeletal maturity as assessed by ...
Posted in researches 4 | No Comments »
Sunday, March 16th, 2008
Condylar asymmetry in unilateral posterior crossbite patients.
INTRODUCTION: Posterior crossbite is defined as an abnormal buccolingual relationship between opposing posterior teeth including the canines in centric occlusion. The most common form of posterior crossbite is unilateral with a functional shift of the mandible toward the crossbite ...
Posted in researches 4 | No Comments »
Sunday, March 16th, 2008
Evaluation of temporomandibular disorders in Class III patients treated with mandibular cervical headgear and fixed appliances.
INTRODUCTION: Our aim in this study was to evaluate the prevalence of temporomandibular disorders (TMD) in Class III patients treated with mandibular cervical headgear (MCH) and fixed appliances. METHODS: The ...
Posted in researches 4 | No Comments »
Sunday, March 16th, 2008
Long-term outcome of surgical Class III correction as a function of age at surgery.
INTRODUCTION: In this study, we assessed whether the likelihood of a positive overjet 5 to 10 years after Class III surgery was affected by age at the surgery or the type of ...
Posted in researches 4 | No Comments »
Sunday, March 16th, 2008
Treatment and posttreatment effects of mandibular cervical headgear followed by fixed appliances in Class III malocclusion.
INTRODUCTION: In this cephalometric investigation, we compared the treatment and posttreatment effects on patients undergoing an initial phase of mandibular cervical headgear (MCH) therapy followed later by comprehensive edgewise therapy ...
Posted in researches 4 | No Comments »
Sunday, March 16th, 2008
Prediction of oral discomfort and dysfunction in lingual orthodontics: a preliminary report.
INTRODUCTION: The purpose of this prospective study was to examine the influence of malocclusion on the amount of discomfort of patients who were treated with Incognito lingual brackets (T.O.P. Service, Ormco, Amersfoort, the Netherlands; ...
Posted in researches 4 | No Comments »
Sunday, March 16th, 2008
A descriptive study of mandibular incisor alignment in untreated subjects.
INTRODUCTION: The development of mandibular incisor crowding appears to be a continuous process throughout life, but more evidence is needed to understand why changes occur. METHODS: In this study, we describe the longitudinal dental changes in ...
Posted in researches 4 | No Comments »
Sunday, March 16th, 2008
Patient compliance and locus of control in orthodontic treatment: a prospective study.
INTRODUCTION: Increased understanding of orthodontic patients will improve communication between dentist and patient; this is important for an optimal treatment outcome. In this prospective study, we addressed the relationship between patient compliance and locus ...
Posted in researches 4 | No Comments »
Sunday, March 16th, 2008
To extract or not to extract: a diagnostic decision, not a marketing decision.
Burrow SJ.
Department of Orthodontics, School of Dentistry, University of North Carolina, Chapel Hill, NC 27599-7450, USA. hbcteam@aol.com
Posted in researches 4 | No Comments »
Sunday, March 16th, 2008
Sliding resistance with esthetic ligatures: an in-vitro study.
INTRODUCTION: This study was developed to evaluate in vitro the properties related to sliding resistance of esthetic ligatures. METHODS: Frictional force of 6 ligatures--2 conventional, 2 specially coated elastomeric, Teflon-coated (Dupont, Wilmington, Del) stainless steel, and stainless steel ...
Posted in researches 4 | No Comments »
Sunday, March 16th, 2008
Anchorage capacity of osseointegrated and conventional anchorage systems: a randomized controlled trial.
INTRODUCTION: Our aim in this investigation was to evaluate and compare orthodontic anchorage capacity of 4 anchorage systems during leveling/aligning and space closure after maxillary premolar extractions. METHODS: One hundred twenty patients (60 girls, ...
Posted in researches 4 | No Comments »
Sunday, March 16th, 2008
Pendulum appliances with 2 anchorage designs: conventional anchorage vs bone anchorage.
INTRODUCTION: The aim of this retrospective study was to compare the dentoalveolar and skeletal effects obtained with 2 types of pendulum appliance with different anchorage designs: bone-anchored pendulum appliance (BAPA) and conventional pendulum appliance (CPA). ...
Posted in researches 4 | No Comments »
Sunday, March 16th, 2008
Prediction of prolonged pain experiences during orthodontic treatment.
INTRODUCTION: In this study, we investigated prolonged pain reactions in teenage orthodontic patients during a common orthodontic treatment. The aim was to examine factors predicting pain at the end of a follow-up week after placement of elastic separators. ...
Posted in researches 4 | No Comments »