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Dental occlusion

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https://www.readbyqxmd.com/read/28345756/the-dawn-of-dentistry-in-the-late-upper-paleolithic-an-early-case-of-pathological-intervention-at-riparo-fredian
#1
Gregorio Oxilia, Flavia Fiorillo, Francesco Boschin, Elisabetta Boaretto, Salvatore A Apicella, Chiara Matteucci, Daniele Panetta, Rossella Pistocchi, Franca Guerrini, Cristiana Margherita, Massimo Andretta, Rita Sorrentino, Giovanni Boschian, Simona Arrighi, Irene Dori, Giuseppe Mancuso, Jacopo Crezzini, Alessandro Riga, Maria C Serrangeli, Antonino Vazzana, Piero A Salvadori, Mariangela Vandini, Carlo Tozzi, Adriana Moroni, Robin N M Feeney, John C Willman, Jacopo Moggi-Cecchi, Stefano Benazzi
OBJECTIVES: Early evidence for the treatment of dental pathology is found primarily among food-producing societies associated with high levels of oral pathology. However, some Late Pleistocene hunter-gatherers show extensive oral pathology, suggesting that experimentation with therapeutic dental interventions may have greater antiquity. Here, we report the second earliest probable evidence for dentistry in a Late Upper Paleolithic hunter-gatherer recovered from Riparo Fredian (Tuscany, Italy)...
March 27, 2017: American Journal of Physical Anthropology
https://www.readbyqxmd.com/read/28341253/digital-workflow-for-a-dental-prosthesis-that-considers-lateral-mandibular-relation
#2
Ji-Hyun Park, Jong-Eun Kim, June-Sung Shim
Most digital prosthesis designs consider only the maximal intercuspal position (MIP) and not the lateral movement. During the computer-aided design and computer-aided manufacture (CAD-CAM) prosthesis delivery process, the clinician has to adjust the prosthesis to avoid occlusal interference during lateral excursion. The novel digital workflow described in this report can be divided into 2 steps. After obtaining interocclusal records for the MIP and the lateral excursion position, the crown CAD data were designed using a general digital workflow considering only the MIP...
March 2017: Journal of Prosthetic Dentistry
https://www.readbyqxmd.com/read/28339510/3d-dentofacial-photogrammetry-reference-values-a-novel-approach-to-orthodontic-diagnosis
#3
Mohamed I Masoud, Neetu Bansal, Jose C Castillo, Amornrut Manosudprasit, Veerasathpurush Allareddy, Arshan Haghi, Hannah C Hawkins, Erik Otárola-Castillo
Background: Orthodontic diagnostic standards generally use the cranial base as a reference and rely on samples selected by orthodontists. Objective: The purpose of this study was to provide male and female standards for a novel non-radiographic approach for orthodontic diagnosis that utilizes 3D dentofacial photogrammetry using the eyes and natural head orientation as references instead of the cranial base. Methods: One hundred and eighty females and 200 males between the ages of 18 and 35 years from 2 modeling agencies were orthodontically screened for near ideal occlusion...
November 3, 2016: European Journal of Orthodontics
https://www.readbyqxmd.com/read/28327695/do-repeated-changes-of-abutments-have-any-influence-on-the-stability-of-peri-implant-tissues-one-year-post-loading-results-from-a-multicentre-randomised-controlled-trial
#4
Marco Esposito, Eriberto Bressan, Maria Gabriella Grusovin, Ferdinando D'Avenia, Konrad Neumann, Luca Sbricoli, Giuseppe Luongo
PURPOSE: To evaluate the influence of at least three abutment changes in conventionally loaded implants against placement of a definitive abutment in immediately non-occlusal loaded implants on hard and soft tissue changes. MATERIALS AND METHODS: Eighty patients requiring one single crown or one fixed partial prosthesis supported by a maximum of three implants were randomised, after implants were placed with more than 35 Ncm, according to a parallel group design to receive definitive abutments which were loaded immediately (definitive abutment or immediate loading group) or transmucosal abutments...
2017: European Journal of Oral Implantology
https://www.readbyqxmd.com/read/28327267/a-modified-nance-palatal-arch-for-the-treatment-of-ectopically-erupting-permanent-first-molars
#5
Fábio Lourenço Romano, Juliana Arid, Alexandra Mussolino de Queiroz, Raquel Assed Bezerra Segato, Paulo Nelson Filho
Permanent teeth that remain impacted could lead to the early loss of primary teeth and cause space problems in dental arches. We present two cases of ectopic eruption of the permanent maxillary first molars treated with soft distal movements using a modified Nance palatal arch (NPAm). The wire was soldered to the band and positioned distally to serve as support for the elastic chain, which was attached to a bonded button on the occlusal surface. After a few months, the ectopic eruption was corrected, preserving the adjacent primary teeth and restoring the occlusion...
September 15, 2016: Journal of Dentistry for Children
https://www.readbyqxmd.com/read/28327153/validation-and-reliability-of-the-malaysian-english-version-of-the-psychosocial-impact-of-dental-aesthetics-questionnaire-for-adolescents
#6
Wan Nurazreena Wan Hassan, Zamros Yuzadi Mohd Yusof, Mohd Zambri Mohamed Makhbul, Siti Safuraa Zahirah Shahidan, Siti Farhana Mohd Ali, Rashidah Burhanudin, Maria Jirom Gere
BACKGROUND: The Malay version of the Psychosocial Impact of Dental Aesthetics Questionnaire has been validated for use by Malaysian adolescents. Although Malay is their national language, English is widely used as the lingua franca among Malaysians of different ethnicities. This study aimed to validate an English version of the PIDAQ adapted for use by Malaysian adolescents to optimize data capture from adolescents who prefer English as the medium for communication. METHODS: The published English version of PIDAQ was pilot tested on 12- to 17-year-old adolescents, resulting in a few modifications to suit the Malaysian variety of English...
March 21, 2017: Health and Quality of Life Outcomes
https://www.readbyqxmd.com/read/28326979/a-retrospective-study-of-the-effectiveness-of-four-different-treatments-of-periodontal-disease-in-equine-cheek-teeth
#7
Kirsten Jackson, Lukas M Weber, Marc Tennant
Periodontal disease of equine cheek teeth is common and may lead to tooth loss if left untreated. Limited information is available comparing the effectiveness of treatment methods. The objective of this study was to retrospectively compare the effectiveness of 4 commonly used treatments in reducing periodontal pocket depth (in addition to routine dental treatment and occlusal equilibration). The 4 treatments compared were (1) removal of feed material, lavaging the pocket with dilute chlorhexidine, and then rinsing the mouth with chlorhexidine-containing mouthwash (CL); (2) CL plus placement of metronidazole into the pocket (M); (3) M plus the addition of polyvinyl siloxane temporary filling over the diastema (PVS); and (4) diastema widening to increase the interdental space, then PVS (DW)...
June 2016: Journal of Veterinary Dentistry
https://www.readbyqxmd.com/read/28322355/restorative-treatment-decisions-in-posterior-teeth-a-systematic-review
#8
Juliana Jobim Jardim, Sandra Henz, Berenice Barbachan E Silva
PURPOSE: To determine the stage of caries in posterior permanent teeth at which dentists decide to intervene invasively. MATERIALS AND METHODS: A search of the literature from January 1980 to November 2015 available in MEDLINEPubMed, EMBASE, and the Cochrane Library was conducted. The main search terms used were decision-making, restorative treatment, dental caries lesion, occlusal surface, and approximal surface. The inclusion criterion was studies including dentists only...
March 20, 2017: Oral Health & Preventive Dentistry
https://www.readbyqxmd.com/read/28318153/-dental-alveolar-bone-and-dental-arch-remodeling-in-children-orthodontic-diagnosis-and-treatments-based-on-individual-child-arch-development
#9
Li Xiaobing
The etiology of malocclusions basically involves both congenital and environmental factors. Malocclusion is the result of the abnormal development of the orofacial complex (including tooth, dental alveolar bone, upper and lower jaws). Early orthodontic interceptive treatments involve the elimination of all congenital and environmental factors that contribute to the malformation of the orofacial complex, as well as interrupt the deviated development of the orofacial complex and the occlusion. Early orthodontic interceptive treatments mainly aim to use children's growth potential to correct abnormal developments of occlusions and orthodontically treat malocclusions more efficiently...
December 1, 2016: Hua Xi Kou Qiang Yi Xue za Zhi, Huaxi Kouqiang Yixue Zazhi, West China Journal of Stomatology
https://www.readbyqxmd.com/read/28316918/an-evaluation-of-craniofacial-growth-pattern-in-north-indian-children
#10
Vivek Mehta, R K Pandey
OBJECTIVE: The aim of this study was to assess craniofacial growth pattern in children with generalized decreased skeletal age and compare it with the children having normal skeletal age. MATERIALS AND METHODS: Lateral cephalograms and hand wrist radiographs of 40 patients (age group 3-14 years) were taken and skeletal age assessment was done with hand wrist radiographs according to Greulich and Pyle, based on which two groups were made, Group A - Control group (normal skeletal age) and Group B - study group (decreased skeletal age)...
January 2017: Journal of Oral Biology and Craniofacial Research
https://www.readbyqxmd.com/read/28316023/transconjunctival-versus-subciliary-approach-to-the-infraorbital-margin-for-open-reduction-of-zygomaticomaxillary-complex-fractures-a-randomized-feasibility-study
#11
Mohammad Waheed El-Anwar, Ezzeddin Elsheikh, Atef M Hussein, Adly A Tantawy, Youssef Mansour Abdelbaki
INTRODUCTION: Although some studies addressed the differences between subciliary and transconjunctival approaches, no previous prospective comparative study on displaced zygomaticomaxillary complex (ZMC) fracture that repaired by three-point internal fixation using also upper gingivolabial incision and upper eye lid incision. So, the effect of these incisions on the comparison was not investigated. PURPOSE: The purpose of this study was to compare transconjunctival and subciliary approaches for open reduction and internal rigid fixation (OR/IF) of ZMC fractures...
March 18, 2017: Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/28300494/three-dimensional-morphological-characterization-of-malocclusions-with-mandibular-lateral-displacement-using-cone-beam-computed-tomography
#12
Roberto L Velásquez, Jorge C Coro, Alejandra Londoño, Susan P McGorray, Timothy T Wheeler, Sadao Sato
OBJECTIVE: The purpose of this study was to evaluate the morphologic characteristics of MLD malocclusions using 3D imaging. MATERIALS AND METHODS: MLD characteristics were examined using CBCT data in 40 subjects. A 3D Cephalometric analysis was developed to describe the spatial position of the mandible and temporal bones. RESULTS: Vertical dental heights were shorter and the posterior occlusal plane (POP) presented a steeper sagittal inclination on the shifted side (the side of the laterally displaced bony chin) than on the contralateral side...
March 16, 2017: Cranio: the Journal of Craniomandibular Practice
https://www.readbyqxmd.com/read/28299266/three-dimensional-evaluation-of-surgical-techniques-in-neonates-with-orofacial-cleft
#13
Cleide Felício Carvalho Carrara, Eloá Cristina Passucci Ambrosio, Bianca Zeponi Fernandes Mello, Paula Karine Jorge, Simone Soares, Maria Aparecida Andrade Moreira Machado, Thais Marchini Oliveira
BACKGROUND: Individuals with cleft lip and palate have many anatomic and functional alterations compromising esthetics, hearing, speech, occlusion, and development/craniofacial growth. The rehabilitative treatment of these patients is very challenging and starts at birth aiming at the best treatment for all functional demands. This study aimed to evaluate the dimensional alterations of the dental arches of neonates with cleft lip and palate after two different primary surgical techniques...
July 2016: Annals of Maxillofacial Surgery
https://www.readbyqxmd.com/read/28297090/the-mandibular-muscles-in-contemporary-orthodontic-practice-a-review
#14
M G Woods
It is widely accepted that all dentists should have a thorough understanding of the muscles involved in moving or stabilizing the mandible. However, there is still much discussion regarding the influence of the mandibular muscles on normal facial growth and dental development, as well as on orthodontic treatment and post-treatment stability. Potential patients with different underlying vertical muscle patterns will have differences in the expected directions of future mandibular growth, lateral profile shape, facial and arch widths and vertical occlusal relationships...
March 2017: Australian Dental Journal
https://www.readbyqxmd.com/read/28295492/association-between-occlusal-force-distribution-in-implant-overdenture-prostheses-and-residual-ridge-resorption
#15
Tameem Khuder, Norsiah Yunus, Eshamsul Sulaiman, Mohd Masood, Norliza Ibrahim, Taimur Khalid
BACKGROUND: This study aimed to compare residual ridge resorption (RRR) of anterior and posterior maxillary and mandibular edentulous ridges, in patients treated with mandibular implant overdentures (IOD) and compare with conventional complete dentures (CD), and to determine at each location, the association of RRR with the occlusal forces distribution and other patients' variables. METHODS: The anterior and posterior RRR of IOD (6 males, 17 females) and CD (12 males, 11 females) were determined using baseline and follow-up dental panaromic radiographs (DPT), (mean intervals 4±1...
March 10, 2017: Journal of Oral Rehabilitation
https://www.readbyqxmd.com/read/28291847/biomechanical-behavior-of-the-dental-implant-macrodesign
#16
Camila Lima de Andrade, Marco Aurélio Carvalho, Dimorvan Bordin, Wander José da Silva, Altair Antoninha Del Bel Cury, Bruno Salles Sotto-Maior
PURPOSE: The aim of this study was to evaluate the influence of implant macrodesign when using different types of collar and thread designs on stress/strain distributions in a maxillary bone site. MATERIALS AND METHODS: Six groups were obtained from the combination of two collar designs (smooth and microthread) and three thread shapes (square, trapezoidal, and triangular) in external hexagon implants (4 × 10 mm) supporting a single zirconia crown in the maxillary first molar region...
March 2017: International Journal of Oral & Maxillofacial Implants
https://www.readbyqxmd.com/read/28288293/prevalence-of-temporomandibular-dysfunction-and-its-association-with-malocclusion-in-children-an-epidemiologic-study
#17
Fundagül Bilgiç, İbrahim Erhan Gelgör
INTRODUCTION: Malocclusion is one etiological factor of temporomandibular joint disorder (TMD). This study investigates the prevalence of TMD and the relationship between TMD and the type of occlusion. STUDY DESIGN: A sample of 923 children (463 girls and 460 boys, ages 7-12 years old) was grouped not only by chronological age but also by gender. The information was collected on functional occlusion (anterior and lateral sliding, interferences), dental wear, mandibular mobility (maximal opening, deflection, deviation), and temporomandibular joint and muscular pain recorded by palpation...
2017: Journal of Clinical Pediatric Dentistry
https://www.readbyqxmd.com/read/28283342/long-term-follow-up-study-of-patients-with-a-unilateral-complete-cleft-of-lip-alveolus-and-palate-following-the-utrecht-treatment-protocol-dental-arch-relationships
#18
Isabelle Francisca Petronella Maria Kappen, Gerhard Koendert Pieter Bittermann, Dirk Bitterman, Aebele Barber Mink van der Molen, William Shaw, Corstiaan Cornelis Breugem
OBJECTIVE: This study sought to evaluate long-term dental arch relationships in adults with a unilateral complete cleft lip and palate (UCLP) treated by the Utrecht protocol and to compare results with the centers from the Eurocleft study. MATERIALS AND METHODS: Retrospective analysis of UCLP patients age 17 or older, treated by two-stage palate closure at the Wilhelmina Children's Hospital, a tertiary center for cleft surgery in Utrecht, the Netherlands. Patients were invited to the clinic for a long-term evaluation...
February 6, 2017: Journal of Cranio-maxillo-facial Surgery
https://www.readbyqxmd.com/read/28277486/adult-quality-of-life-postcleft-palate-repair-a-comparison-of-two-techniques
#19
Rachel Skladman, Lynn Marty Grames, Gary Skolnick, Dennis C Nguyen, Sybill D Naidoo, Kamlesh B Patel, Jeffrey L Marsh, Albert S Woo
BACKGROUND AND PURPOSE: In 1989, the Cleft Palate-Craniofacial Journal published the first randomized prospective cleft surgery study, comparing the Kriens intravelar veloplasty (IVV) with a non-IVV 2-flap repair. Results in that and follow-up publications yielded no difference between the 2 groups for need for secondary velopharyngeal management. The subjects have now reached adulthood. This study was designed to ask: Is there any difference between the groups in the outcomes that multidisciplinary team care addresses: speech intelligibility, facial growth, breathing while awake and asleep, attainment of education, and long-term socioeconomic status? METHODS: Enrollees from the original published study were invited to participate in a survey...
March 8, 2017: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/28275801/-effects-of-double-transparent-pressure-diaphragm-transfer-tray-on-indirect-bonding
#20
Xiao-Hong Huang, Liang Xu, Shan Lin
PURPOSE: To compare the time-consuming and bonding effectiveness of full dental arch and segmented dental arch, when double transparent pressure diaphragm technology was used for indirect bracket bonding. METHODS: Forty-five orthodontic cases were selected, and classified into 3 groups according to different bonding methods and arches. There were 15 cases in each group, a total of 270 brackets and 120 buccal tubes were used. Patients in group A and B received double transparent pressure diaphragm technology to bond brackets indirectly...
December 2016: Shanghai Kou Qiang Yi Xue, Shanghai Journal of Stomatology
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