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dental AND occlusion

Naoya Oshima, Tomohiro Shiraishi, Tsukasa Kawauchi, Jun Oba, Daisuke Sato, Masahide Fujiki, Mine Ozaki, Akihiko Takushima, Kiyonori Harii
In 1986, Altemir first reported the use of submental intubation to avoid tracheotomy in patients with panfacial and midfacial fractures for whom intermaxillary fixation is necessary, but orotracheal and nasotracheal intubations are not recommended. This novel technique allowed intraoperative access to perform dental occlusion and reconstruction of the nasal pyramid in patients with skull base fractures. Herein, we describe a refined technique based on Altemir's original procedure. Seven male patients with panfacial fractures underwent submental intubation using our refined technique...
August 11, 2018: Journal of Craniofacial Surgery
Alberto Baldini, Alessandro Nota, Silvia Caruso, Simona Tecco
Background: The development of visual functions takes place in the first months of postnatal life and is completed around the one year of age. In this period, the maturation of the retina and the visual pathways occur, and binocular bonds are established at the level of the visual cortex. During this phase and then for a few years, a certain plasticity of the visual functions remains, which seem therefore susceptible to change both in a pejorative sense (by pathogens) and in an improving sense (for example, by therapeutic measures)...
2018: BioMed Research International
Thara Maria Joseph, R Ravichandran, S Lylajam, Prasanth Viswabharan, Kavitha Janardhanan, Smitha Rajeev
Background: Prosthesis misfit plays an important role in complications such as occlusal and abutment screw loosening and fracture in implant restorations. Reproducing the intraoral relationship of implants through impression procedures is the first step in achieving an accurate, passively fitting prosthesis to ensure maximum accuracy. Hence, splinting of multiple implants with most accurate material may be a valid option. Context: The results of splinting multiple implants are always inconsistent, and there is limited literature available to compare the accuracy of impression techniques as well as materials...
July 2018: Journal of Indian Prosthodontic Society
Anirudh Koul, Swatantra Agarwal, Romil Singhal, Siddhi Tripathi
Background: Complaints with complete dentures is a common and expected phenomenon. However the type and character of complaint varies between population and is influenced by the socio economic condition, prevalent dental awareness etc. This study attempts to find the most common complaints with complete dentures, their causes and also presents a classification of the same. Method: A cross-sectional analytical study was conducted by performing a survey on a sample of population over an 18 month period utilizing a customized questionnaire...
July 2018: Journal of Indian Prosthodontic Society
Giuseppina Laganà, Valentina Di Fazio, Valeria Paoloni, Lorenzo Franchi, Paola Cozza, Roberta Lione
Objectives: To assess the morphological shape variations of the palatal vault in Open Bite (OB) growing subjects when compared with a Control Group (CG) by means of Geometric Morphometric Method (GMM). Materials and methods: The OB Group (OBG) consisted of 75 subjects (39 females, 36 males; mean age: 8.5 ± 0.8 years) who were collected retrospectively with the following inclusion criteria: European ancestry, overbite less than 0 mm, mixed dentition stage, prepubertal skeletal maturation (CS1-CS2), hyperdivergent skeletal pattern (SN^GoGn > 37°)...
August 9, 2018: European Journal of Orthodontics
Maryna I Dmytrenko, Olena V Gurzhiy
OBJECTIVE: Introduction: Supernumerary teeth, like etiological factor of impaction, occur in 7,05% of patients, are usually located in anterior maxillary region - 93,2%. The aim of the study is to develop an algorithm of treatment of patients with impaction of permanent maxillary central incisors, caused by supernumerary teeth, during periods of mixed and permanent dentition by processing our own approaches to treatment. PATIENTS AND METHODS: Materials and methods: Treatment results of seven patients (6, 7 (2 patients), 8, 9, 10 and 15 years old) with delay in eruption of maxillary central incisors were analyzed...
2018: Wiadomości Lekarskie: Organ Polskiego Towarzystwa Lekarskiego
Helena Cristina Francisco Pereira da Silva, João Batista de Paiva, José Rino Neto
Anterior crossbite is characterized by negative horizontal overjet between the jaws, and occurs due to skeletal, functional, and/or dental imbalances. It is often found in primary and mixed dentition stages and causes severe aesthetic, functional, and psychosocial impairment. We report the facial and occlusal effects of maxillary protraction associated with rapid maxillary expansion in three young patients with primary dentition. The proposed treatment plan consisted of protraction and rapid maxillary expansion...
August 7, 2018: International Orthodontics
Bayan Rashed, Yoshiko Iino, Kei Komatsu, Miki Nishijo, Takahiro Hanada, Arata Ebihara, Mitsuhiro Sunakawa, Yasunori Sumi, Takashi Okiji
OBJECTIVE: This study aimed to evaluate the ability of swept-source optical coherence tomography (OCT) to detect internal anatomy of maxillary premolars in comparison with dental operating microscope (DOM) and cone beam computed tomography (CBCT). BACKGROUND DATA: The ability of OCT to observe the pulp horn during cavity preparation and assess the remaining dentin thickness (RDT) has been demonstrated, whereas validation of OCT in comparison with other imaging techniques seems required...
August 10, 2018: Photomedicine and Laser Surgery
L A Foster Page, D Boyd, K Fuge, A Stevenson, K Goad, D Sim, W M Thomson
BACKGROUND: Radiography is a regularly used and accepted adjunct to visual examination in the diagnosis of dental caries. It is assumed that not using radiographs can lead to underestimation of dental caries experience with most reports having involved studies of young adults or adolescents, and been focused on the permanent dentition. The aim of this study was to determine the relative contributions of bitewing radiography and clinical examination in the detection of dental caries in primary molars and to determine whether those contributions differ according to caries experience...
August 9, 2018: BMC Oral Health
Patrícia Corrêa-Faria, Mauro Henrique Nogueira Guimarães de Abreu, Lidia Moraes Ribeiro Jordão, Maria do Carmo Matias Freire, Luciane Rezende Costa
BACKGROUND: Breastfeeding plays an important role in child health, including the development of normal dental occlusion, but large epidemiological findings on the association breastfeeding-malocclusion are lacking. AIM: To investigate the association between the proportion of breastfed children in the city level and the prevalence of malocclusion in the primary dentition at age 5. DESIGN: This cross-sectional analysis used data from national population surveys on oral health and on breastfeeding practices...
August 8, 2018: International Journal of Paediatric Dentistry
Hsiao-Ching Kuo, Ruey-Hsia Wang, Jen-Chyan Wang, Yi-Hsin Yang
PURPOSE: The objective of this study was to test a hypothesized conceptual model for both the clinical and non-clinical status of oral health and health related quality of life (OHRQoL & HRQoL) among community-dwelling elders. MATERIALS AND METHODS: Study participants (n = 517), who were recruited as part of a Taiwanese elderly community survey, were collected via dental examinations and questionnaires. We collected measures of clinical variables, self-reported symptom status, OHRQoL, nutritional status and HRQoL...
July 21, 2018: Archives of Gerontology and Geriatrics
William Northway
Orthodontic technology has advanced to the point where management of cases with multiple dental anomalies should be within an orthodontist's daily armamentarium. A patient with bilateral agenesis of lower second premolars, delayed development, and transmigration of a mandibular canine was treated with the aid of hemisection, indirect/closed exposure, application of continuous force, targeted delivery, and strict attention to keeping the roots as much in bone as possible. This was accomplished without implants or flattening the facial profile, yet with excellent periodontal status and a fully functioning occlusion...
August 6, 2018: Angle Orthodontist
Tiago Turri de Castro Ribeiro, Mariana Chaves Petri Feitosa, Rogério Almeida Penhavel, Renata Sathler Zanda, Guilherme Janson, Reinaldo Mazzottini, Daniela G Garib
Growth deficiency of the maxilla is a frequent finding in patients with complete unilateral cleft lip and palate. When the sagittal discrepancy is severe, orthodontic treatment combined with orthognathic surgery is required. This article reports the treatment of a girl born with unilateral cleft lip and palate who had lip and palate repair at 3 and 12 months of age, respectively. At 3 years of age, she already showed a severe anteroposterior maxillary deficiency with an anterior crossbite in the deciduous dentition...
August 2018: American Journal of Orthodontics and Dentofacial Orthopedics
Camila Massaro, Felicia Miranda, Guilherme Janson, Renato Rodrigues de Almeida, Arnaldo Pinzan, Décio Rodrigues Martins, Daniela Garib
INTRODUCTION: In this study, we aimed to evaluate the changes in dental arch dimensions, tooth size, and incisor crowding in subjects with normal occlusion over a 40-year period. METHODS: A sample of 82 white subjects with normal occlusion evaluated in adolescence and early adulthood was recruited for a third evaluation in their sixth decade of life. The final sample included dental casts of 22 subjects (12 men, 10 women) obtained at mean ages of 13.3, 17.8, and 60...
August 2018: American Journal of Orthodontics and Dentofacial Orthopedics
Juan Fd Montero, Humberto Cm de Souza, Mariana S Martins, Miguel N Oliveira, César Am Benfatti, Ricardo de Souza Magini
INTRODUCTION: The knowledge of the anatomy surrounding Bichat's fat pad, as well as its clinical applications, is essential to indicate and to safely perform its removal. This surgery is indicated not only for esthetic purposes, but also for functional reasons. When used properly, Bichat's fat pad is composed of stem cells that have a similar phenotype to adipose stem cells, useful in the treatment of pathologies and/or complications, such as maxillary sinus membrane perforation, oroantral/oronasal communications, peri-implantitis, ulcers, fibrosis of the oral mucosa, soft tissue reconstruction, among others...
July 1, 2018: Journal of Contemporary Dental Practice
Silvia Caruso, Roberto Gatto, Mario Capogreco, Alessandro Nota
Purpose: The purpose of this cross-sectional study is to evaluate the presence of any correlations between dysfunctions related to visual impairments and dental occlusion. Methods: The test group included 34 subjects (21 males and 13 females; mean age 11 ± 2 years) randomly selected with the following inclusion criteria: absence of any diagnosis for problems at visual level except those related to refractive defects, visual acuity of at least 1.0, absence of any syndrome or malformation in the craniofacial area, good general health, and absence of any systemic disease able to influence the vision or the craniofacial growth...
2018: BioMed Research International
Daniel R Reissmann, Gary C Anderson, Guido Heydecke, Eric L Schiffman
AIMS: To investigate whether a shortened dental arch (SDA), as identified by reduced posterior occlusal contacts, is a risk factor for the progression of temporomandibular joint (TMJ) intra-articular disorders (ID), as identified using imaging techniques. METHODS: This multisite, prospective observational study with a mean follow-up period of 7.9 years had a sample of 345 participants with at least 1 temporomandibular disorder (TMD) diagnosis at baseline. SDA was defined as reduced occlusal posterior support due to lack of occlusal intercuspal contacts in the molar region on the left and/or right side...
July 2018: Journal of Oral & Facial Pain and Headache
Ling Sun, Hai Ming Wong, Colman P J McGrath
PURPOSE: To assess whether different levels of malocclusion have different effects on the oral health-related quality of life (OHRQoL) and which domains of OHRQoL could be affected. MATERIALS AND METHODS: Nine electronic databases were searched. To make studies comparable, studies using the Child Perceptions Questionnaire (CPQ) to measure OHRQoL, and the Dental Aesthetic Index, Index of Orthodontic Treatment Need, and Index of Complexity, Outcome and Need to measure malocclusion were selected for systematic review...
2018: Oral Health & Preventive Dentistry
Kenneth H Chan, Daniel Fried
OBJECTIVE: The purpose of this study was to determine the feasibility of image-guided laser ablation of demineralization from tooth occlusal surfaces using coaxial near-infrared (NIR) and CO2 lasers. MATERIALS AND METHODS: A CO2 laser operating at a wavelength of 9.3-μm was combined with a thulium-doped fiber laser operating at 1880-nm for the selective removal of simulated occlusal caries lesions from 10 tooth samples. Serial NIR reflectance images at 1880-nm were used to guide the CO2 laser for image-guided laser ablation...
July 19, 2018: Lasers in Surgery and Medicine
Weina Wang, Hai Yu, Yifan Liu, Xinlei Jiang, Bo Gao
STATEMENT OF PROBLEM: The primary manufacturing method of zirconia ceramic crowns is computer-aided design and computer-aided manufacture (CAD-CAM), but a disadvantage of this technique is material waste. Three-dimensional (3D) printing, which has been recently introduced into dentistry, has improved the processing of polymers and metals, but not yet of ceramic crowns. PURPOSE: The purpose of this in vitro study was to evaluate the 3D trueness of zirconia crowns fabricated by 3D printing to investigate the potential application of this technology in dental ceramic restorations...
July 13, 2018: Journal of Prosthetic Dentistry
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