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cast mandibular advancement appliance

Marc Braem
Oral appliance (OA) therapy with a mandibular advancement device (OAm) is a non-invasive, alternative approach to maintaining upper airway patency. The main requirement for an OAm to be effective is the adequate retention on the teeth while the patient is asleep. We evaluated the retentive forces of a new low-cost, customizable, titratable, thermoplastic OAm (BluePro (®); BlueSom, France). Dental impressions and casts were made for one patient with complete upper and lower dental arches including the third molars and class II bite proportions...
2015: F1000Research
Whitney Mostafiz, Oyku Dalci, Kate Sutherland, Atul Malhotra, Vasanth Srinivasan, M Ali Darendeliler, Peter A Cistulli
BACKGROUND: Mandibular advancement splints (MASs) can effectively treat obstructive sleep apnea (OSA); however, no validated and reliable prediction method for treatment outcome currently exists. The efficacy of MAS may relate to anatomic factors, including craniofacial size and upper-airway soft-tissue volume and anatomic balance between them. We aimed to assess whether craniofacial and oral measurements are associated with MAS treatment outcome. METHODS: Dental impressions and lateral cephalometric radiographs were obtained from patients with OSA prior to commencing MAS treatment...
June 2011: Chest
Niko Christian Bock, Julia von Bremen, Sabine Ruf
INTRODUCTION: During recent years, some articles have been published on Herbst appliance treatment in adult patients, an approach that has been shown to be most effective in Class II treatment in both early and late adulthood. However, no results on stability have yet been published. Our objective was to analyze the short-term occlusal stability of Herbst therapy in adults with Class II Division 1 malocclusions. METHODS: The subjects comprised 26 adults with Class II Division 1 malocclusions exhibiting a Class II molar relationship > or =0...
August 2010: American Journal of Orthodontics and Dentofacial Orthopedics
Keisuke Ihara, Takumi Ogawa, Yuko Shigeta, Noboru Kawamura, Yukihiro Mizuno, Eriko Ando, Tomoko Ikawa, Chieko Ishikawa, Jun Nejima
PURPOSE: Currently, over 40 different types of oral appliances (OA) are available to dentists to treat sleep disordered breathing. OA can be classified by mode of action or design. One of the major categories is tongue retaining device; the other is a mandibular advancement device (MAD). Each device, however, has its own particular drawbacks, the most common revolving around cost or inherent difficulties in the production process.In this present report, we will introduce a "movable" OA which does not disturb the physiologic function...
July 2011: Journal of Prosthodontic Research
Dennis Flanagan
This article describes a snore reduction appliance that can be constructed to advance and hold the mandible in a comfortable prognathic position. The tongue is advanced concomitantly, producing more space in the pharynx while changing the relative positions of the soft palate, posterior tongue, and pharyngeal walls to reduce the incidence of snoring and ameliorate sleep apnea. A dual-laminate appliance, soft inside and hard outside, is vacuformfitted to casts of the maxillary and mandibular teeth and luted in a protrusive relation with cold pressure-cured acrylic...
July 2010: General Dentistry
Julia Martin, Hans Pancherz
INTRODUCTION: The aim of this study was to analyze the effect of the cast Herbst/multibracket (MB) appliance on the position of the mandibular incisors in relation to the amount of mandibular advancement at the beginning of treatment. METHODS: We screened 133 patients with Class II Division 1 malocclusions. The subjects were divided into 3 bite-jumping groups: I, 49 subjects with bite jumping of <7 mm; II, 44 subjects with bite jumping of 7.5 to 9.5 mm; and III, 40 subjects with bite jumping of >9...
July 2009: American Journal of Orthodontics and Dentofacial Orthopedics
Akssam Ghazal, Irmtrud E Jonas, Edmund C Rose
BACKGROUND AND OBJECTIVES: Mandibular advancement appliances are employed in treating snoring and various forms of obstructive sleep apnea syndrome (OSAS). The splints facilitate the displacement of the mandible anteriorly and widens the pharyngeal lumen during sleep. Two-splint systems are anchored on the dental arches in the maxilla and mandible. The resulting reciprocal forces are transferred onto the teeth, leading to dental side effects when used long-term. We retrospectively examined the dental changes that occurred after patients had worn the Thornton Adjustable Positioner (TAP) for over two years...
November 2008: Journal of Orofacial Orthopedics, Fortschritte der Kieferorthopädie
Julia von Bremen, Hans Pancherz, Sabine Ruf
The aim of this study was to analyse anchorage loss with reduced, in comparison with total mandibular cast splints during Herbst treatment. Lateral head films of 32 Class II division 1 patients (15 females, 17 males) aged 13.0 years with reduced mandibular cast splints (RMS: second premolar to second premolar) and of 34 Class II division 1 patients (19 females, 15 males) aged 13.9 years with total mandibular cast splints (TMS: molar to molar) were analysed before (T1) and directly after (T2) Herbst treatment...
December 2007: European Journal of Orthodontics
Marie Marklund
INTRODUCTION: Orthodontic side effects can complicate the long-term use of mandibular advancement devices (MADs) in the treatment of patients with snoring and obstructive sleep apnea. The aim of this study was to find predictors of dental side effects from monoblock MADs. METHODS: Four hundred fifty patients, who consecutively received treatment with either soft elastomeric or hard acrylic devices, were followed up after 5.4 +/- 0.8 years (mean +/- SD). The continuing patients responded to questionnaires and had dental examinations and plaster casts made...
February 2006: American Journal of Orthodontics and Dentofacial Orthopedics
Fernanda Ribeiro de Almeida, Alan A Lowe, Ryo Otsuka, Sandra Fastlicht, Maryam Farbood, Satoru Tsuiki
INTRODUCTION: Side effects observed in the occlusion and dental arches of patients using an oral appliance (OA) to treat snoring or sleep apnea for more than 5 years have not yet been investigated. METHODS: Stone casts trimmed in centric occlusion before appliance placement and after an average of 7.4 +/- 2.2 years of OA use in 70 patients were compared visually by 5 orthodontists. RESULTS: Of these patients, 14.3% had no occlusal changes, 41...
February 2006: American Journal of Orthodontics and Dentofacial Orthopedics
J M Battagel, B Kotecha
OBJECTIVES: (a) To evaluate the longer term orthodontic side-effects of a Herbst mandibular advancement splint (MAS) in subjects with sleep disordered breathing. (b) To determine whether these are related to dental occlusion, degree of mandibular advancement or duration of appliance wear. DESIGN: Retrospective, cohort study. SETTING: Teaching hospital dental school. PARTICIPANTS: Subjects with sleep disordered breathing who had been wearing an MAS regularly (a minimum of 5 h per night, six nights a week) for at least 2 years...
April 2005: Clinical Otolaryngology
S P Ash, A M Smith
Snoring and sleep apnea are chronic conditions. This article describes the use of cobalt chrome mandibular advancement appliances as a long-term, robust addition to the appliances used to treat these conditions. The clinical indications, appliance design, construction stages and special features of using cast alloy bases are described.
December 2004: Journal of Orthodontics
Jeffrey A Housley, Ram S Nanda, G Fräns Currier, Dale E McCune
This was a retrospective, longitudinal cephalometric and cast study of 29 white patients at pretreatment, posttreatment, and an average of 6 years 3 months postretention. The goal was to assess changes with treatment and retention with the expanding mandibular lingual arch appliance in conjunction with fixed edgewise treatment. Seven mandibular cast measurements were assessed, including arch crowding, arch perimeter, arch length, and arch width at the permanent canines, first premolars, second premolars, and first molars...
September 2003: American Journal of Orthodontics and Dentofacial Orthopedics
K M Fritsch, A Iseli, E W Russi, K E Bloch
Our purpose was to investigate side effects of sleep apnea treatment by removable oral appliances (OA) that advance the mandible. In 22 patients suffering from obstructive sleep apnea (OSA), questionnaire evaluations, polysomnographies, cephalographies, and dental plaster casts were obtained before initiation of treatment with OA that fully covered both dental arches. Patients were reevaluated after 3 to 12 mo (questionnaires, polysomnographies) and 12 to 30 mo (questionnaires, cephalographies, plaster casts) during continuous treatment...
September 1, 2001: American Journal of Respiratory and Critical Care Medicine
D K Leung, U Hägg
The effects of the progressive activation of the Herbst appliance on the activity of the masseter and temporalis elevator muscles of the mandible were monitored in a group of 14 consecutively treated 10-15-year-old subjects with an Angle Class II, division I malocclusion. A cast silver splint Herbst appliance was activated in multiple stages at a rate of 2 mm/2 mo. The functionality of the superficial masseter and anterior portion of the temporalis muscles was monitored at maximum bite force using surface electromyography (EMG)...
June 2001: Angle Orthodontist
B Schönhofer, W Hochban, H J Vieregge, H Brünig, D Köhler
BACKGROUND: In the treatment of obstructive sleep apnea (OSA), mandibular advancing devices (MAD) are usually individually fabricated on plaster casts of both jaws from polymethyl-methacrylate. The potential disadvantages of these devices are (1) the costs and (2) the time required to construct the device. OBJECTIVE: In this study, the efficacy and feasibility of a cheap MAD consisting of thermoplastic material (SnorBan((R))), which can be directly moulded intraorally, were evaluated...
2000: Respiration; International Review of Thoracic Diseases
S Dessner, Y Razdolsky, T El-Bialy, C A Evans
PURPOSE: This report describes the application of an intraoral device for treatment of malocclusions characterized by mandibular deficiency and the surgical technique for its placement. PATIENTS AND METHODS: In an office setting, 5 retrognathic patients underwent mandibular lengthening via distraction osteogenesis with an intraoral tooth-borne distraction device. Under local anesthesia and sedation, mandibular corticotomies, mobilization, and placement of the distractors were performed...
November 1999: Journal of Oral and Maxillofacial Surgery
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