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functional dental arch

Lorenzo Trevisiol, Pasquale Procacci, Antonio D'Agostino, Francesca Ferrari, Daniele De Santis, Pier Francesco Nocini
PURPOSE: Several authors have described zygoma implants as a reliable surgical option to rehabilitate severe maxillary defects in case of extreme atrophy or oncological resections. The aim of this study is to report a new technical approach to the rehabilitation of a complex oronasal defect by means of a zygoma-implant-supported full-arch dental prosthesis combined with a nasal epithesis. PATIENTS AND METHODS: The patient presented with a subtotal bilateral maxillectomy and total rhinectomy defect because of a squamous cell carcinoma of the nose...
December 2016: Int J Implant Dent
Nicola Marchili, Eleonora Ortu, Davide Pietropaoli, Ruggero Cattaneo, Annalisa Monaco
Stomatognathic system is strictly correlated to other anatomical regions; many studies investigated relationship between temporomandibular joint and posture, several articles describe cranio-facial pain from dental causes, such as trigger points. Until now less interest has been given to connections between dental occlusion and ophthalmology, even if they are important and involving. Clinical experience in dental practice claims that mandibular latero-deviation is connected both to eye dominance and to defects of ocular convergence...
2016: Open Dentistry Journal
Karuna Singh Sawhny, Asheesh Sawhny
Aligning a displaced maxillary canine into the dental arch is one of the most complicated problems in orthodontics. In cases of extremely high displacement, the tooth is frequently removed surgically. Because of the upper canines' significance to dental esthetics and functional occlusion, such a decision is a very serious one. The purpose of this report is to illustrate an interdisciplinary approach involving both orthodontic management and conservative tooth restoration. The case was treated through an orthodontic nonextraction fixed appliance mechanotherapy for successful alignment of buccally ectopic upper left canine followed by a conservative direct composite tooth buildup of peg lateral incisor associated with the upper left ectopic canine in a 16-year-old adolescent North Indian female...
2016: Case Reports in Dentistry
Muhsin Çifter, Nil Cura
INTRODUCTION: This report describes the clinical orthodontic management of a patient with spastic quadriplegia and cerebral palsy. Guidelines to overcome difficulties encountered during the treatment period are suggested. METHODS: A 13-year-old boy with cerebral palsy and spastic quadriplegia complained of an undesirable oral appearance because of his malocclusion. He had a Class II molar relationship, with severe maxillary and moderate mandibular anterior crowding...
October 2016: American Journal of Orthodontics and Dentofacial Orthopedics
Yanfei Zhu, Jiaying Li, Yanmei Tang, Xiaoling Wang, Xiaochen Xue, Huijun Sun, Ping Nie, Xinhua Qu, Min Zhu
BACKGROUND: Children with severe airway obstruction tend to have a vertical direction of growth, class II malocclusion, and narrow arches. Adenoidectomy and tonsillectomy were recommended for the promotion of balanced dentition growth in these children.The aim of this study was to determine the effect of adenoidectomy and tonsillectomy on the growth of dental morphology in children with airway obstruction. METHODS: A comprehensive search of the Medline, Embase, Web of science, and OVID databases for studies published through to January 17, 2016 was conducted...
September 2016: Medicine (Baltimore)
Christian Mertens, Jose de San Jose Gonzalez, Christian Freudlsperger, Jens Bodem, Johannes Krisam, Jürgen Hoffmann, Michael Engel
BACKGROUND: Patients with hemimaxillectomy defects after tumor surgery can alternatively be rehabilitated with dental obturators or microvascular flaps. When general medical or oncologic conditions do not permit microvascular surgery, dental obturators are the only solution, yet retention for edentulous patients is often poor. The aim of this study was to evaluate whether CAD/CAM suprastructures supported by implants placed in both residual alveolar ridges and contralateral zygomatic bone could enhance obturator stability and improve functional outcomes...
August 24, 2016: Journal of Cranio-maxillo-facial Surgery
E-K Korduner, I Collin Bagewitz, P Vult von Steyern, E Wolf
The aim of this investigation was to study the clinical prosthodontic decision-making process relating to dentitions with compromised molars among Swedish general dental practitioners (GDPs). Eleven Swedish GDPs were purposively selected, and all agreed to participate. Then, in-depth, semi-structured interviews were conducted and covered treatment considerations concerning two authentic patient cases, initially with complete dental arches, and later, a final treatment based on a shortened dental arch (SDA) was discussed...
September 16, 2016: Journal of Oral Rehabilitation
Hiromori Kobari, Nobuhiro Yoda, Junning Chen, Tetsuo Kawata, Keiichi Sasaki
PURPOSE: The aims of this study were to develop a device for in vivo measurement of three-dimensional (3D) loads on implants and to investigate the effects of implant configuration on the load distribution under a three-unit fixed partial denture (FPD). MATERIALS AND METHODS: A 67-year-old female patient with three implants (in the mandibular left second premolar, first molar, and second molar regions) was recruited. Four implant configurations for a three-unit FPD depending on the number and position of the implants were considered in this study...
September 2016: International Journal of Oral & Maxillofacial Implants
R Arvinth, Shailendra Singh Rana, Ritu Duggal, Om Prakash Kharbanda
The most frequent cause of functional posterior crossbite is the reduction in width of the maxillary dental arch. This posterior crossbite is associated with anterior crowding which is presented as an infrapositioned canine or a palatally positioned lateral incisor on one side; this leads to an upper midline shift toward the crowded side. The present case report shows the management of posterior crossbite with functional shift and upper midline shift simultaneously without adverse side effects. In this case, rapid maxillary expansion along with fixed appliance is used to correct posterior crossbite with the upper dental midline shift using reciprocal action of elastic transseptal fibers...
July 2016: Contemporary Clinical Dentistry
Silvia Naomi Mitsui, Akihiro Yasue, Shingo Kuroda, Eiji Tanaka
This article reports the orthodontic treatment of a 20-year-old patient with dental crowding and temporomandibular joint disorders (TMDs). The patient presented moderate anterior crowding with a Class I molar relationship and masticatory disturbance in the mandibular position induced by previous splint therapy. Orthodontic treatment with multi-bracket appliance was initiated to correct the anterior crowding in both dental arches, after the extraction of first premolars and third molars, and also to maintain the splint-induced position of the condyles...
July 2016: Journal of Orthodontic Science
Dániel Palkovics, István Gera
BACKGROUND: The dimension of attached gingiva is a very important landmark in the periodontal health, and determine the function of the mucogingival unit, the progression of marginal inflammation and also affects aesthetic dentistry, orthodontics and implantology. The determination of gingival/periodontal biotype is important in dental/periodontal practice. Hence, the aim of this cross sectional clinical study was to assess the width and thickness of attached gingiva in young, periodontally healthy individuals and to provide anthropometric data in Hungary...
June 2016: Fogorvosi Szemle
Nandakumar Janakiraman, Hamed Vaziri, Kamran Safavi, Ravindra Nanda, Flavio Uribe
Transmigrated mandibular canines increase the treatment complexity in terms of both anchorage and biomechanical planning. Additionally, a Class II malocclusion with a deep overbite and associated dental anomalies such as hypodontia can further increase the treatment complexity and the overall treatment time. This case report describes the successful interdisciplinary treatment of a patient, aged 12.5 years, with transmigrated and severely impacted mandibular canines and congenitally missing mandibular second premolars...
August 2016: American Journal of Orthodontics and Dentofacial Orthopedics
H Tan, K G Peres, M A Peres
The authors aimed to critically review the literature regarding the relationship between retention of teeth and oral health-related quality of life (OHRQoL) and the extent to which tooth retention can ensure OHRQoL among adults. The authors investigated studies that assessed the relationship between number of teeth and OHRQoL and how the position, type, and/or pattern of the teeth is related to OHRQoL. Relevant papers published in English from January 2004 to September 2015 were searched via PubMed and EMBASE...
July 27, 2016: Journal of Dental Research
Sharath Umesh, Srivani Padma, Sundarrajan Asokan, Talabattula Srinivas
The present study reports an in vivo, novel methodology for the dynamic measurement of the bite force generated by individual tooth using a Fiber Bragg Grating Bite Force Recorder (FBGBFR). Bite force is considered as one of the major indicators of the functional state of the masticatory system, which is dependent on the craniomandibular structure comprising functional components such as muscles of mastication, joints and teeth. The proposed FBGBFR is an intra-oral device, developed for the transduction of the bite force exerted at the occlusal surface, into strain variations on a base plate, which in turn is sensed by the FBG sensor bonded over it...
July 1, 2016: Journal of Biomechanics
G McKenna, S Tada, N Woods, M Hayes, C DaMata, P F Allen
OBJECTIVES: The primary aim of this study was to investigate partially dentate elders' willingness-to-pay (WTP) for two different tooth replacement strategies: Removable Partial Dentures (RPDs) and, functionally orientated treatment according to the principles of the Shortened Dental Arch (SDA). The secondary aim was to measure the same patient groups' WTP for dental implant treatment. METHODS: 55 patients who had completed a previous RCT comparing two tooth replacement strategies (RPDs (n=27) and SDA (n=28)) were recruited (Trial Registration no...
October 2016: Journal of Dentistry
Kanchan R Raikwar, Monali Ghodke, Janardan B Garde, Rajendrakumar Suryavanshi
Pre-prosthetic surgery helps to overcome the challenge of prosthetic rehabilitation of the patient including restoration of the best masticatory function possible, combined with restoration or improvement of dental and facial esthetics. Maxillary denture prosthesis fabrication should include thorough examination of the soft palate and palatoglossal arch anatomy. This case report emphasizes on high palatoglossal arch as a rare and new cause of loss of posterior palatal seal and thereby retention of maxillary denture with rational, treated by pre-prosthetic surgery, ever reported in literature...
July 2016: Journal of Maxillofacial and Oral Surgery
Frank E Cordray
Dental instrumentation has long provided insight into the mechanism of musculo-skeletal function of the gnathic system. While large population studies associate dental arch displacement (DAD), especially laterally, with symptoms, mandibular condyle displacement (CD) resulting from DAD has not been targeted as possibly etiologic in the production of common muscle contraction headache (CMCH) and temporo-mandibular dysfunction (TMD). The objective was to evaluate the three-dimensional nature of DAD and CD between the seated condylar position (SCP) and the intercuspal position (ICP) and to compare results derived from large deprogrammed asymptomatic and symptomatic populations...
2016: International Journal of Oral Science
G Cutroneo, G Vermiglio, A Centofanti, G Rizzo, M Runci, A Favaloro, M G Piancino, P Bracco, G Ramieri, F Bianchi, F Speciale, A Arco, F Trimarchi
Unilateral posterior crossbite is a widespread, asymmetric malocclusion characterized by an inverse relationship of the upper and lower buccal dental cusps, in the molar and premolar regions, on one side only of the dental arch. Patients with unilateral posterior crossbite exhibit an altered chewing cycles and the crossbite side masseter results to be less active with respect to the contralateral one. Few studies about morphological features of masticatory muscle in malocclusion disorders exist and most of these have been performed on animal models...
2016: European Journal of Histochemistry: EJH
Steven F Miller, Kaci C Vela, Steven M Levy, Thomas E Southard, David G Gratton, Lina M Moreno Uribe
OBJECTIVES: In humans, there is a large range of variation in the form of the maxillary and mandibular dental arches. This variation can manifest as either prognathism or retrognathism in either or both arches, which can cause malocclusion and lead to abnormal masticatory function. This study aims to identify aspects of variation and morphological integration existing in the dental arches of individuals with different types of malocclusion. METHODS: Coordinate landmark data were collected along the gingival margins of 397 scanned dental casts and then analyzed using geometric morphometric techniques to explore arch form variation and patterns of morphological integration within each malocclusion type...
June 13, 2016: American Journal of Human Biology: the Official Journal of the Human Biology Council
Subutay Han Altintas, Serdar Kilic, Nuray Yilmaz Altintas, Celal Candirli, Figen Cizmeci Senel
The most important objectives in restoring the maxillofacial patient are the restoration of function and psychological improvement through esthetics. Acquired maxillary and mandibular defects due to significant trauma or surgery represent a major challenge for the clinician and patient. Dental implant-retained prostheses represent a well-documented and reliable treatment option and can also help patients with maxillofacial defects by eliminating denture instability and improving function. Full-arch fixed dental hybrid prostheses provide functional and psychological advantages and also reduce the load on vulnerable soft and hard tissues in the reconstruction area...
June 6, 2016: Journal of Prosthodontics: Official Journal of the American College of Prosthodontists
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