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International Journal of Dentistry

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https://www.readbyqxmd.com/read/30425744/three-dimensional-changes-of-the-auditory-canal-in-a-three-year-period-during-adolescence-using-cbcts
#1
Adam Woods, Manuel O Lagravère
Purpose: There is a lack of identifying suitable regions in the head that can be used for three-dimensional superimposition techniques. For this reason, with the use of cone-beam computed tomography (CBCT), the ear canals were analyzed to verify changes during a period of three years in the adolescent years. Methods: CBCTs from fifty-six patients (ages: 10 to 20) were used to landmark the anatomy of the ear canals. Each patient was analyzed using two CBCT reconstructions that were taken approximately three years apart...
2018: International Journal of Dentistry
https://www.readbyqxmd.com/read/30420885/prevalence-of-temporomandibular-disorder-symptoms-among-orthognathic-patients-in-southern-germany-retrospective-study
#2
Amjad M AlWarawreh, Zaid H AlTamimi, Hazem M Khraisat, Winfried Kretschmer
This study investigated the prevalence of temporomandibular disorder (TMD) among patients before and after orthognathic surgery and assessed the effect of orthognathic surgery on each of the TMD symptoms (clicking, pain, crepitus, and MRI findings). A sample of 100 consecutive patients undergoing bimaxillary surgery for correction of craniofacial deformities (31 male and 69 female), with ages ranging between 17 and 58 years (mean age: 27.7 ± 9.3 years), were interviewed and examined regarding signs and symptoms of TMD...
2018: International Journal of Dentistry
https://www.readbyqxmd.com/read/30416524/effect-of-surgical-installation-of-dental-implants-on-surface-topography-and-its-influence-on-osteoblast-proliferation
#3
Helder H M Menezes, Marina M Naves, Henara L Costa, Tarsis P Barbosa, Jéssica A Ferreira, Denildo Magalhães, Elizabeth F Martinez
Surface treatment alone does not determine the final microtopography of a dental implant, which can be influenced by implant design and the surgical procedure. This study investigated the effect of surgical placement of dental implants with same surface treatments on surface roughness. Three implants (SIN) of each group with different macrogeometries (Strong, Stylus, and Tryon) were analyzed using laser interferometry and scanning electron microscopy to evaluate surface topography. All threaded regions of the implants, namely, top, flank, and valley, were analyzed individually...
2018: International Journal of Dentistry
https://www.readbyqxmd.com/read/30410541/augmentation-versus-no-augmentation-for-immediate-postextraction-implants
#4
REVIEW
Huda Hamed Basher Mohamed, Asma M Serag Eldien, Amr Zahran
Purpose: To assess the effects of augmentation versus no augmentation in patients restored with immediate postextraction single-tooth implants on implant failure and patient satisfaction. Materials and methods: We searched the Cochrane Oral Health Group Trial Register, Cochrane Central Register of Controlled Trials, MEDLINE, and the WHO International Clinical Trial Registry Platform (22 March 2017). Two reviewers independently assessed trials for inclusion and risk of bias, extracted data, and checked for accuracy...
2018: International Journal of Dentistry
https://www.readbyqxmd.com/read/30410540/accuracy-of-periapical-radiography-and-cbct-in-endodontic-evaluation
#5
R Lo Giudice, F Nicita, F Puleio, A Alibrandi, G Cervino, A S Lizio, G Pantaleo
Introduction: A radiological evaluation is essential in endodontics, for diagnostic purposes, planning and execution of the treatment, and evaluation of the success of therapy. The periapical radiography is nowadays the main radiographic investigations used but presents some limits as 3D anatomic alteration, geometric compression, and possible anatomical structures overlapping that can obscure the area of interest. CBCT (cone beam computed tomography) in endodontics allows a detailed assessment of the teeth and surrounding alveolar anatomy for endodontic diagnosis, treatment planning, and follow-up...
2018: International Journal of Dentistry
https://www.readbyqxmd.com/read/30402101/-sox-genes-show-spatiotemporal-expression-during-murine-tongue-and-eyelid-development
#6
Ryuichi Ishikawa, Maiko Kawasaki, Katsushige Kawasaki, Akane Yamada, Supaluk Trakanant, Fumiya Meguro, Atsushi Kitamura, Takehisa Kudo, Takeyasu Maeda, Atsushi Ohazama
The tongue is a critical organ, involved in functions such as speaking, swallowing, mastication, and degustation. Although Sox genes are known to play critical roles in many biological processes, including organogenesis, the expression of the Sox family members during tongue development remains unclear. We therefore performed a comparative in situ hybridization analysis of 17 Sox genes ( Sox1-14, 17, 18, and 21 ) during murine tongue development. Sox2, 4, 6, 8, 9, 10, 11, 12, and 21 were found to be expressed in the tongue epithelium, whereas Sox2, 4-6, 8-11, 13, and 21 showed expression in the mesenchyme of the developing tongue...
2018: International Journal of Dentistry
https://www.readbyqxmd.com/read/30369949/the-influence-of-type-1-diabetes-mellitus-on-dental-caries-and-salivary-composition
#7
Lulëjeta Ferizi, Fatmir Dragidella, Lidvana Spahiu, Agim Begzati, Vjosa Kotori
Diabetes mellitus is the most common chronic disease that affects the oral health. The aim of the study is to evaluate the dental caries, salivary flow rate, buffer capacity, and Lactobacilli in saliva in children with type 1 diabetes mellitus compared to the control group. Methods. The sample consisted of 160 children of 10 to 15 years divided into two groups: 80 children with type 1 diabetes mellitus and 80 children as a control group. Dental caries was assessed using the DMFT index for permanent dentition...
2018: International Journal of Dentistry
https://www.readbyqxmd.com/read/30364037/vitamin-d-deficiency-as-it-relates-to-oral-immunity-and-chronic-periodontitis
#8
REVIEW
R A G Khammissa, R Ballyram, Y Jadwat, J Fourie, J Lemmer, L Feller
The biologically active form of vitamin D, 1,25 dihydroxyvitamin D (1,25(OH)2 D) and its receptor, the vitamin D receptor (VDR), play roles in maintaining oral immunity and the integrity of the periodontium. Results of observational cross-sectional clinical studies investigating the association between vitamin D serum level and the incidence and severity of chronic periodontitis indicate that, perhaps owing to the immunomodulatory, anti-inflammatory, and antibacterial properties of 1,25(OH)2 D/VDR signalling, a sufficient serum level of vitamin D is necessary for the maintenance of periodontal health...
2018: International Journal of Dentistry
https://www.readbyqxmd.com/read/30363963/corrigendum-to-subchronic-infection-of-porphyromonas-gingivalis-and-tannerella-forsythia-stimulates-an-immune-response-but-not-arthritis-in-experimental-murine-model
#9
Jorday Hernández-Aguas, José Luis Montiel-Hernández, Myriam A De La Garza-Ramos, Rosa Velia Ruiz-Ramos, Erandi Escamilla García, Mario Alberto Guzmán-García, Esperanza Raquel Ayón-Haro, Mario Alberto Garza-Elizondo
[This corrects the article DOI: 10.1155/2017/2052938.].
2018: International Journal of Dentistry
https://www.readbyqxmd.com/read/30356403/a-cone-beam-computed-tomography-scanning-of-the-root-canal-system-of-permanent-teeth-among-the-moscow-population
#10
Svetlana Razumova, Anzhela Brago, Lamara Khaskhanova, Ammar Howijieh, Haydar Barakat, Ashot Manvelyan
Background: Successful endodontic treatment requires a significant knowledge of root canal anatomy. The aim of this study was to evaluate the root and root canal number of permanent teeth among the Moscow population using cone-beam computed tomography (CBCT) scanning. Materials and methods: 300 CBCT images of subjects were analyzed to study the anatomy of roots and root canal system of each tooth. The collected data were analyzed using IBM SPSS statistics software 22...
2018: International Journal of Dentistry
https://www.readbyqxmd.com/read/30356392/effects-of-a-novel-formulation-on-oral-biofilm-ph-buffering-and-gingival-health-in-patients-with-dry-mouth
#11
Thair Takesh, Jessica Ho, Miracle Vania Firmalino, Delaney Islip, Afarin Anbarani, Petra Wilder-Smith
Goal: To identify in patients with dry mouth the effects of a novel test agent (Oral Essentials Hydrating Formula Mouthwash, Beverly Hills, CA) versus a control agent (Biotène Dry Mouth Oral Rinse, GlaxoSmithKline Consumer Healthcare L.P., Moon Township, PA, USA) versus no treatment on dry mouth, plaque, salivary pH and buffering capacity, gingival health, and tooth sensitivity. Materials and Methods: In this cross-over study, ten subjects with dry mouth used test and control dry mouth interventions, as well as no dry mouth intervention in randomized sequence...
2018: International Journal of Dentistry
https://www.readbyqxmd.com/read/30356384/antibacterial-and-cytotoxic-effects-of-moringa-oleifera-moringa-and-azadirachta-indica-neem-methanolic-extracts-against-strains-of-enterococcus-faecalis
#12
Lucía Arévalo-Híjar, Miguel Ángel Aguilar-Luis, Stefany Caballero-García, Néstor Gonzáles-Soto, Juana Del Valle-Mendoza
Objective: To evaluate antibacterial and cytotoxic effect of 2 methanolic extracts of Azadirachta indica and Moringa oleifera against strains of Enterococcus faecalis (ATCC 29212) in vitro . Methods: The methanolic extracts of Azadirachta indica and Moringa oleifera were prepared in vitro . The antibacterial effect of the extracts against Enterococcus faecalis was evaluated using the agar diffusion technique. The minimum inhibitory concentration (MIC) was determined using the microdilution method and the cytotoxicity using the cellular line MDCK...
2018: International Journal of Dentistry
https://www.readbyqxmd.com/read/30356347/importance-of-mechanical-periodontal-therapy-in-patients-with-diabetes-type-2-and-periodontitis
#13
REVIEW
Priscilla Naiff, Valéria Carneiro, Maria do Carmo Guimarães
Periodontitis is an infectious and inflammatory disease of high prevalence worldwide and constitutes a significant oral health problem. It can lead to tooth loss. In addition, the local inflammatory process can cause the release of inflammatory mediators in the bloodstream and, consequently, contribute to the emergence of systemic effects as cardiovascular and diabetic complications. The purpose of this mini review is to alert health professionals about the risk that periodontitis represents for the onset or exacerbation of complications in individuals with type 2 diabetes mellitus and to emphasize that the mechanical treatment of periodontal disease and reestablishment of oral health are essential for the metabolic control of these patients...
2018: International Journal of Dentistry
https://www.readbyqxmd.com/read/30344607/a-therapeutic-educational-program-in-oral-health-for-persons-with-schizophrenia-a-qualitative-feasibility-study
#14
Audrey Peteuil, Corinne Rat, Sahar Moussa-Badran, Maud Carpentier, Jean-François Pelletier, Frederic Denis
Objective: The aim of this study was to test the feasibility of a therapeutic educational program in oral health (TEPOH) for persons with schizophrenia (PWS). Design: In a qualitative study, we explored the representation of oral health before and after a TEPOH. Clinical Setting : PWS are at greater risk of decayed and missing teeth and periodontal diseases. In a previous publication, we described the different steps in building a TEPOH by taking into account the experiences of PWS concerning oral health quality of life...
2018: International Journal of Dentistry
https://www.readbyqxmd.com/read/30305812/matrix-metalloproteinase-8-as-an-inflammatory-and-prevention-biomarker-in-periodontal-and-peri-implant-diseases
#15
REVIEW
Ahmed Al-Majid, Saeed Alassiri, Nilminie Rathnayake, Taina Tervahartiala, Dirk-Rolf Gieselmann, Timo Sorsa
Levels of and especially the degree of activation of matrix metalloproteinase (MMP-8) in oral fluids (i.e., saliva, mouth rinse, gingival crevicular fluid (GCF) and peri-implantitis sulcular fluid (PISF)) increase to pathologically elevated levels in the periodontal and peri-implant diseases. This study aimed at collecting and collating data from previously published studies and determining whether active MMP-8 (aMMP-8) could serve as a biomarker for the diagnosis and prevention of periodontal and peri-implant diseases...
2018: International Journal of Dentistry
https://www.readbyqxmd.com/read/30275832/shaping-ability-of-superelastic-and-controlled-memory-nickel-titanium-file-systems-an-in-vitro-study
#16
Raidan A Ba-Hattab, Dieter Pahncke
Improvements in the thermomechanical processing procedures of NiTi wires have led to the development of new NiTi instruments that compose mainly of martensite crystals, making the wire stable at clinical condition. This study aimed at comparing the shaping ability of two rotary nickel-titanium systems manufactured from different NiTi wires. Twenty simulated root canals each with a curvature of 35° in resin blocks were divided into two groups of 10 canals each. Canals in the first group were prepared with superelastic F360 instruments (Gebr...
2018: International Journal of Dentistry
https://www.readbyqxmd.com/read/30275831/association-between-the-anatomy-of-the-mandibular-canal-and-facial-types-a-cone-beam-computed-tomography-analysis
#17
Rudyard Dos Santos Oliveira, Arlete Maria Gomes Oliveira, José Luiz Cintra Junqueira, Francine Kühl Panzarella
We evaluated the anatomical variations of the mandibular canal associated with various facial types, age, sex, and side of the face studied. We analyzed 348 hemimandibles in subjects without a history of trauma, lesions in the lower arch, or orthognathic or repair surgery in the posterior mandible. Facial type was determined using the VERT index. The canal path was classified as Type 1 (a large, single structure passing very close to the root tips); Type 2 (a canal passing closest to the mandibular base); and Type 3 (a canal present in the posterior mandibular region, with a lower canal running through the mandibular branch, reaching the anterior region)...
2018: International Journal of Dentistry
https://www.readbyqxmd.com/read/30254675/micro-ct-analysis-of-y-tzp-copings-made-by-different-cad-cam-systems-marginal-and-internal-fit
#18
Rafaella Caramori Saab, Leonardo Fernandes da Cunha, Carla Castiglia Gonzaga, Amanda Mahammad Mushashe, Gisele Maria Correr
Purpose: The aim of the study was to measure the marginal and internal adaptation (MIA) of zirconia copings, made of 4 ceramic systems for CAD/CAM, using microcomputed tomography (micro-CT) technology. Material and Methods: Two identical stainless steel models were used, representing a preparation for full ceramic crown on a lower molar. The master models were then scanned for the production of copings from specific yttrium oxide partially stabilized tetragonal zirconia polycrystal ceramic blocks of each system ( n =10): Cerec/inCoris Zi, Sirona; Cercon/Cercon base, Dentsply; Ceramill/Ceramill Zi, Amann Girrbach; and Lava/Lava Frame Zirconia, 3M ESPE...
2018: International Journal of Dentistry
https://www.readbyqxmd.com/read/30245719/development-and-validation-of-3d-finite-element-models-for-prediction-of-orthodontic-tooth-movement
#19
Udomsak Likitmongkolsakul, Pruittikorn Smithmaitrie, Bancha Samruajbenjakun, Juthatip Aksornmuang
Objectives: The aim of this study was to develop and validate three-dimensional (3D) finite element modeling for prediction of orthodontic tooth movement. Materials and Methods: Two orthodontic patients were enrolled in this study. Computed tomography (CT) was captured 2 times. The first time was at T 0 immediately before canine retraction. The second time was at T 4 precisely at 4 months after canine retraction. Alginate impressions were taken at 1 month intervals ( T 0 - T 4 ) and scanned using a digital scanner...
2018: International Journal of Dentistry
https://www.readbyqxmd.com/read/30224920/willingness-to-work-and-the-working-environment-of-japanese-dental-hygienists
#20
Yoshiaki Nomura, Ayako Okada, Jun Miyoshi, Masaru Mukaida, Eriko Akasaka, Keietsu Saigo, Hideki Daikoku, Hidenori Maekawa, Tamotsu Sato, Nobuhiro Hanada
Japanese dental hygienists' employment rate is low. The environment factors and daily job contents that contribute to willingness to work of Japanese dental hygienists and their structures were investigated. A cross-sectional survey was conducted using a self-administered postal questionnaire distributed for one thousand and twenty-three members of Japan Dental Hygienist Association registered in Iwate prefecture affiliation. Three items concerning willingness to work, satisfaction for the 9 items about working environment, anxiety for work, and 106 daily job contents were used for analysis...
2018: International Journal of Dentistry
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