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Dental occlusion

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https://www.readbyqxmd.com/read/28218557/scandcleft-randomised-trials-of-primary-surgery-for-unilateral-cleft-lip-and-palate-7-occlusion-in-5-year-olds-according-to-the-huddart-and-bodenham-index
#1
Agneta Karsten, Agneta Marcusson, Kirsti Hurmerinta, Arja Heliövaara, Annelise Küseler, Pål Skaare, Haydn Bellardie, Elisabeth Rønning, William Shaw, Kirsten Mølsted, Paul Sæle, Eli Brinck, Sara Rizell, Midia Najal Chalier, Philip Eyres, Gunvor Semb
BACKGROUND AND AIM: Good dentofacial development and good occlusion are main goals in the treatment of UCLP. The aim was to evaluate dental occlusion at age 5 years with the Huddart and Bodenham index after four different protocols of primary surgery for UCLP. DESIGN: Three parallel randomised controlled trials were undertaken as an international multicentre study by 10 cleft teams in five countries: Denmark, Finland, Sweden, Norway, and the UK. METHODS: Three different surgical procedures for primary palatal repair (Arms B, C, and D) were tested against a common procedure (Arm A) in the total cohort of 448 children born with non-syndromic UCLP...
February 2017: Journal of Plastic Surgery and Hand Surgery
https://www.readbyqxmd.com/read/28216840/impact-of-occlusal-support-and-perceived-chewing-ability-on-oral-health-related-quality-of-life-among-patients-attending-a-private-dental-institution-in-india
#2
Seebu Dhingra, Gururaghavendran Rajesh, Ashwini Rao, Umesh Y Pai, Ramya Shenoy, Mithun Pai
PURPOSE: Presence of functional tooth units is essential for preserving masticatory function among individuals. Representing the essence of health promotion practice, demand to measure varied evaluation outcomes is highlighted. AIM AND OBJECTIVES: (1) To assess the influence of occlusal support and perceived chewing ability on oral health-related quality of life (OHRQoL) among adults attending a private dental institution in Mangalore. (2) To evaluate occlusal support using Eichner index (EI), perceived chewing ability using a self-administered questionnaire and OHRQoL using Oral Health Impact Profile-14 (OHIP-14)...
January 2017: Journal of Indian Prosthodontic Society
https://www.readbyqxmd.com/read/28210436/effect-of-disinfecting-the-cavity-with-chlorhexidine-on-the-marginal-gaps-of-cl-v-giomer-restorations
#3
Soodabeh Kimyai, Fatemeh Pournaghi-Azar, Fereshteh Naser-Alavi, Ashkan Salari
BACKGROUND: Considering the effect of cavity disinfecting agents on the bonding and sealing ability of restorations bonded to dentin, the aim of this study was to evaluate the effect of chlorhexidine (CHX) disinfecting agent on the marginal gaps of Cl V giomer restorations. MATERIAL AND METHODS: Cl V cavities were prepared on the buccal surfaces of 60 sound bovine permanent incisors in this in vitro study, with the occlusal and gingival margins in enamel and dentin, respectively...
February 2017: Journal of Clinical and Experimental Dentistry
https://www.readbyqxmd.com/read/28207178/dental-development-in-down-syndrome-and-healthy-children-a-comparative-study-using-the-demirjian-method
#4
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
https://www.readbyqxmd.com/read/28206888/evidence-based-clinical-practice-guideline-for-the-use-of-pit-and-fissure-sealants
#5
(no author information available yet)
BACKGROUND: This article presents evidence-based clinical recommendations for the use of pit-and-fissure sealants on the occlusal surfaces of primary and permanent molars in children and adolescents. A guideline panel convened by the American Dental Association (ADA) Council on Scientific Affairs and the American Academy of Pediatric Dentistry conducted a systematic review and formulated recommendations to address clinical questions in relation to the efficacy, retention, and potential side effects of sealants to prevent dental caries; their efficacy compared with fluoride varnishes; and a head-to-head comparison of the different types of sealant material used to prevent caries on pits-and-fissures of occlusal surfaces...
October 15, 2016: Pediatric Dentistry
https://www.readbyqxmd.com/read/28206881/loss-of-permanent-first-molars-in-the-mixed-dentition-circumstances-resulting-in-extraction-and-requiring-orthodontic-management
#6
Kavita R Mathu-Muju, David B Kennedy
Extraction of significantly compromised permanent first molars may be indicated during the mixed dentition stage of occlusal development. The purpose of this article was to review circumstances that can result in the loss of a permanent first molar-including dental caries, molar incisor hypomineralization, eruption disturbances of permanent teeth, and failure of restorative treatment to affirm that a complete dental arch is not necessary for the existence of a functional dental arch. The extraction of permanent first molar(s) with subsequent orthodontic treatment in a young patient can be considered a cost-effective alternative to placing complex restorations that require replacement over the lifespan...
October 15, 2016: Pediatric Dentistry
https://www.readbyqxmd.com/read/28203028/-unerupted-first-deciduous-molar-located-higher-to-the-first-premolar-a-case-report
#7
Y Zhan, H Liu
Tooth eruption is defined as the movement of a tooth from its site of development within the alveolar process to its functional position in the oral cavity. The process of tooth eruption can be divided into different phases: pre-eruptive bone stage, alveolar bone stage, mucosal stage, preocclusal stage, occlusal stage and maturation stage. Any disturbance in these phases can lead to eruptive anomalies. The incidence of unerupted teeth is usually higher among permanent teeth than among deciduous ones. Of the primary teeth reported as unerupted, second deciduous molars are the teeth most frequently involved, followed by primary central incisors...
February 18, 2017: Beijing da Xue Xue Bao. Yi Xue Ban, Journal of Peking University. Health Sciences
https://www.readbyqxmd.com/read/28203027/-a-new-method-to-orthodontically-correct-dental-occlusal-plane-canting-wave-shaped-arch
#8
X Zheng, X X Hu, N Ma, X H Chen
OBJECTIVE: To introduce a technique of second order wave-shaped arch wire to orthodontically treat dental occlusal plane canting (DOPC) with left-right interactive anchorage, and to test its clinical efficacy. METHODS: Among the permanent dentition malocclusion patients who showed no obvious facial asymmetry, we screened for patients who showed anterior occlusal plane canting (AOPC) after routine orthodontic examination, treatment planning, MBT fixed appliance installation and serial arch wires alignment...
February 18, 2017: Beijing da Xue Xue Bao. Yi Xue Ban, Journal of Peking University. Health Sciences
https://www.readbyqxmd.com/read/28203014/-influence-of-surface-treatment-with-sodium-hypochlorite-solution-on-dentin-bond-strength
#9
Y Wang, Y H Liang
OBJECTIVE: To evaluate the influence of sodium hypochlorite (NaOCl) solution used during root canal therapy on dentin bond strength. METHODS: In the study, 15 freshly extracted human third molars with complete dental crowns, caries and filling-free were selected. The occlusal enamel was removed perpendicular to the long axis of the tooth to expose middle flat surfaces of sound dentin. The occlusal dentin surfaces were then polished using 600-grit silicon papers for 1 min and rinsed with deionized water for 1 min...
February 18, 2017: Beijing da Xue Xue Bao. Yi Xue Ban, Journal of Peking University. Health Sciences
https://www.readbyqxmd.com/read/28203009/-digital-imaging-fiber-optic-transillumination-difoti-method-for-determining-the-depth-of-cavity
#10
J L Yu, R T Tang, L Feng, Y M Dong
OBJECTIVE: To analyze the accuracy of the digital imaging fiber optic transillumination (DIFOTI) on diagnosis of caries lesions depth using DIAGNOcam system. METHODS: This experiment adopted self-matching design. Seventy-four extracted teeth (molar: sixty-six, premolar: eight) with one caries lesions in proximity which were not damaged in surface marginal ridge were selected. Dental calculus and dental stains were removed from the extracted teeth for standby application...
February 18, 2017: Beijing da Xue Xue Bao. Yi Xue Ban, Journal of Peking University. Health Sciences
https://www.readbyqxmd.com/read/28194343/the-effect-of-a-condylar-repositioning-plate-on-condylar-position-and-relapse-in-two-jaw-surgery
#11
Gyu Sik Jung, Taek Kyun Kim, Jeong Woo Lee, Jung Dug Yang, Ho Yun Chung, Byung Chae Cho, Kang Young Choi
BACKGROUND: Numerous condylar repositioning methods have been reported. However, most of them are 2-dimensional or are complex procedures that require a longer operation time and a highly trained surgeon. This study aims to introduce a new technique using a condylar repositioning plate and a centric relation splint to achieve a centric relationship. METHODS: We evaluated 387 patients who had undergone surgery for skeletal jaw deformities. During the operation, a centric relation splint, intermediate splint, final centric occlusion splint, and condylar repositioning plate along with an L-type mini-plate for LeFort I osteotomy or a bicortical screw for bilateral sagittal split ramus osteotomy were utilized for rigid fixation...
January 2017: Archives of Plastic Surgery
https://www.readbyqxmd.com/read/28194098/spatiotemporal-profiles-of-proprioception-processed-by-the-masseter-muscle-spindles-in-rat-cerebral-cortex-an-optical-imaging-study
#12
Satoshi Fujita, Mari Kaneko, Hiroko Nakamura, Masayuki Kobayashi
Muscle spindles in the jaw-closing muscles, which are innervated by trigeminal mesencephalic neurons (MesV neurons), control the strength of occlusion and the position of the mandible. The mechanisms underlying cortical processing of proprioceptive information are critical to understanding how sensory information from the masticatory muscles regulates orofacial motor function. However, these mechanisms are mostly unknown. The present study aimed to identify the regions that process proprioception of the jaw-closing muscles using in vivo optical imaging with a voltage-sensitive dye in rats under urethane anesthesia...
2017: Frontiers in Neural Circuits
https://www.readbyqxmd.com/read/28191797/digital-transillumination-in-caries-detection-versus-radiographic-and-clinical-methods-an-in-vivo-study
#13
Cynthia Lara-Capi, Maria Grazia Cagetti, Peter Lingström, Gianfranco Lai, Fabio Cocco, Charlotte Simark-Mattsso, Guglielmo Campus
OBJECTIVES: This paper was aimed to evaluate: a) the agreement between a near-infrared light transillumination device and clinical and radiographic examinations in caries lesion detection and b) the reliability of images captured by the transillumination device. METHODS: Two calibrated examiners evaluated the caries status in premolars and molars on 52 randomly selected subjects using: for the occlusal surfaces the transillumination device comparing it with a clinical examination, and for the approximal surfaces, the transillumination device with a radiographic examination (bitewings radiographs)...
February 13, 2017: Dento Maxillo Facial Radiology
https://www.readbyqxmd.com/read/28190924/hyperglycemia-simultaneously-induces-initial-caries-development-and-enhances-spontaneous-occlusal-surface-wear-in-molar-teeth-related-to-parotid-gland-disorder-in-alloxan-induced-diabetic-rats
#14
Taiki Nishimoto, Yasushi Kodama, Tetsuro Matsuura, Kiyokazu Ozaki, Yoshihiko Taniguchi
Diabetes and salivary gland dysfunction are major factors that induce dental caries in experimental animals, but there are no reports analyzing the association of dental caries and salivary glands in an animal model of diabetes mellitus (DM). To clarify the initial development of dental caries and preceding salivary gland disorder, we performed a histopathological analysis on teeth and salivary glands in diabetic Wistar rats 7 weeks after alloxan treatment (DM group) in comparison with nondiabetic rats (Non-DM group) and functional analysis on saliva secretion during the experimental period...
January 2017: Journal of Toxicologic Pathology
https://www.readbyqxmd.com/read/28183288/towards-an-optimal-therapy-strategy-for-myogenous-tmd-physiotherapy-compared-with-occlusal-splint-therapy-in-an-rct-with-therapy-and-patient-specific-treatment-durations
#15
Robert J van Grootel, Rob Buchner, Daniël Wismeijer, Hilbert W van der Glas
BACKGROUND: Temporomandibular Disorders (TMD) may be characterized by pain and restricted jaw movements. In the absence of somatic factors in the temporomandibular joint, mainly myogenous, psychobiological, and psychosocial factors may be involved in the aetiology of myogenous TMD. An occlusal appliance (splint) is commonly used as a basic therapy of the dental practice. Alternatively, a type of physiotherapy which includes, apart from massage of sore muscles, aspects of cognitive-behavioural therapy might be a basic therapy for myogenous TMD...
February 10, 2017: BMC Musculoskeletal Disorders
https://www.readbyqxmd.com/read/28177331/the-role-of-masseter-muscle-emg-during-dise-to-predict-the-effectiveness-of-mad-preliminary-results
#16
M R Marchese, E Scarano, G Rizzotto, C Grippaudo, G Paludetti
The use of a mandibular advancement device (MAD) increases the activity of the temporo-mandibular (TM) complex and masseter (MM) muscles with the risk of reducing treatment compliance. Predictors of treatment outcome are of importance in selecting patients who might benefit from MAD without side effects. The role of mandibular advancement (MA) during drug-induced sleep endoscopy (DISE) is controversial. In three cases (BMI < 30) affected by non-severe OSAS (AHI < 30 e/h), we recorded the surface EMG signal of MM activity during DISE...
December 2016: Acta Otorhinolaryngologica Italica
https://www.readbyqxmd.com/read/28174369/self-tapping-intermaxillary-fixation-screw-an-alternative-to-arch-bar
#17
Animesh Barodiya, Rishi Thukral, S M Agrawal, Anil S Chouhan, Sidharth Singh, Yogesh Loksh
INTRODUCTION: The use of intermaxillary fixation (IMF) in the treatment of faciomaxillary fractures is the key factor for reduction and immobilization. Various techniques of IMF have been described in the past and recently IMF screws have been introduced. This technique has various advantages, including ease of use, less time consumption, less trauma to the surrounding soft tissues, and relatively reduced risk of needle stick injury. This study evaluates the efficacy of IMF screws over arch bar IMF before definitive fixation of facial fractures...
February 1, 2017: Journal of Contemporary Dental Practice
https://www.readbyqxmd.com/read/28174368/the-prevalence-of-major-types-of-occlusal-anomalies-among-saudi-middle-school-students
#18
Hosam Baeshen
INTRODUCTION: Malocclusion is the most common dental anomaly among children and adolescents. Accordingly, this study was conducted to investigate the prevalence of major types of occlusal anomalies in permanent dentition among Saudi Arabian middle school adolescent students seeking orthodontic treatment in Jeddah. MATERIALS AND METHODS: The sample comprised 150 males and 150 females with mean age of 14.25 (±1.09) for both males and females. Data were registered using the Bjork method...
February 1, 2017: Journal of Contemporary Dental Practice
https://www.readbyqxmd.com/read/28169252/the-effect-of-traumatic-dental-occlusion-on-the-degradation-of-periodontal-bone-in-rats
#19
Daniela Atili Brandini, Marina Fuzette Amaral, Wilson Roberto Poi, Cláudio Aparecido Casatti, Antonius Ljj Bronckers, Vincent Everts, Igor Mariotto Beneti
CONTEXT: A better understanding of the relation between traumatic dental occlusion and periodontal changes is needed. AIMS: This study aimed to evaluate the pattern of osteoclastic activity in the periodontal bone in front of the traumatic dental occlusion in rat molars. PATIENTS AND METHODS: Traumatic dental occlusion (TO) was induced in twenty rats, which were sacrificed after periods of 2, 5, 7, and 14 days. Transversal histological sections of both jaws were stained with tartrate-resistant acid phosphatase and hematoxylin and eosin...
November 2016: Indian Journal of Dental Research: Official Publication of Indian Society for Dental Research
https://www.readbyqxmd.com/read/28168240/cracked-tooth-syndrome-mimicking-trigeminal-autonomic-cephalalgia-a-report-of-four-cases
#20
Noboru Noma, Kohei Shimizu, Kosuke Watanabe, Andrew Young, Yoshiki Imamura, Junad Khan
BACKGROUND: This report describes four cases of cracked tooth syndrome secondary to traumatic occlusion that mimicked trigeminal autonomic cephalalgias. All patients were referred by general practitioners to the Orofacial Pain Clinic at Nihon University Dental School for assessment of atypical facial pain. CLINICAL PRESENTATION: Case 1: A 51-year-old woman presented with severe pain in the maxillary and mandibular left molars. Case 2: A 47-year-old woman presented with sharp, shooting pain in the maxillary left molars, which radiated to the temple and periorbital region...
February 6, 2017: Quintessence International
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