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https://www.readbyqxmd.com/read/29244885/effect-of-fiber-post-cementation-timing-on-the-bond-strength-of-resin-cements-in-epoxy-resin-obturated-canals
#1
Luiza Salles Alves Berti, Leandro Augusto Pinto Pereira, Vanessa Galego Arias Pecorari, Flávia Lucisano Botelho Amaral, Cecília Pedroso Turssi, Roberta Tarkany Basting, Fabiana Mantovani Gomes França
This study evaluated the influence of timing after endodontic treatment and type of resin cement used on the bond strength of fiber posts to epoxy resin-obturated canals. A total of 80 bovine incisor roots were divided into four groups (n = 20). Glass fiber posts were cemented at two different times, immediately or 7 days after endodontic treatment, using either a dual-curing resin cement (RelyX ARC, 3M ESPE) or a self-adhesive resin cement (RelyX U200, 3M ESPE). Following post cementation, the samples were cross-sectioned into slices containing root dentin, cement, and fiber post at the cervical, mid, and apical root thirds...
December 15, 2017: International Journal of Periodontics & Restorative Dentistry
https://www.readbyqxmd.com/read/29233540/smear-layer-deproteinizing-improves-bonding-of-one-step-self-etch-adhesives-to-dentin
#2
Ornnicha Thanatvarakorn, Taweesak Prasansuttiporn, Suppason Thittaweerat, Richard M Foxton, Shizuko Ichinose, Junji Tagami, Keiichi Hosaka, Masatoshi Nakajima
OBJECTIVES: Smear layer deproteinizing was proved to reduce the organic phase of smear layer covered on dentin surface. It was shown to eliminate hybridized smear layer and nanoleakage expression in resin-dentin bonding interface of two-step self-etch adhesive. This study aimed to investigate those effects on various one-step self-etch adhesives. METHODS: Four different one-step self-etch adhesives were used in this study; SE One (SE), Scotchbond™ Universal (SU), BeautiBond Multi (BB), and Bond Force (BF)...
December 9, 2017: Dental Materials: Official Publication of the Academy of Dental Materials
https://www.readbyqxmd.com/read/29228763/prevention-of-erosions-by-a-surface-sealant-and-adhesives-under-abrasive-conditions
#3
Florian J. Wegehaupt, Géraldine Kummer, Thomas Attin
It was the aim of the current in vitro study to test the erosion-preventive potential of an experimental surface sealant (K-0184) and currently marketed self-etch adhesive systems under abrasive conditions. Ninety-six dentine specimens were randomly allocated to eight groups (n=12): (1) positive control (no treatment), (2) K-0184, (3) Shield Force Plus, (4) Xeno Select, (5) Scotchbond Universal, (6) Adhese Universal, (7) OptiBond All-In-One, and (8) Clearfil SE Bond. Before and after sealing, dentine specimens were measured profilometrically to determine the layer thickness of the protective agents...
September 17, 2017: Swiss Dental Journal
https://www.readbyqxmd.com/read/29218669/laparoscopy-as-a-useful-selection-tool-for-patients-with-prior-surgery-and-peritoneal-metastases-suitable-for-multimodality-treatment-strategies
#4
Philipp von Breitenbuch, Thomas Boerner, Tonia Jeiter, Pompiliu Piso, Hans J Schlitt
BACKGROUND: Complete macroscopic cytoreduction in patients with peritoneal carcinomatosis (PC) is the basic requirement for long-term survival. Diagnostic laparoscopy (DL) can be difficult and of limited clinical value secondary to postoperative or tumor-induced adhesions. The aim of this study was to evaluate the role of DL in patients with prior surgery and PC. METHODS: The database of the surgical department of the University Medical Center of Regensburg was reviewed (9/2010-10/2014) selecting for DL in patients with PC...
December 7, 2017: Surgical Endoscopy
https://www.readbyqxmd.com/read/29211130/dentin-sealing-and-bond-strength-evaluation-of-hema-free-and-multi-mode-adhesives-to-biomodified-dentin
#5
Renata Bacelar-Sá, Marcelo Giannini, Glaucia Maria Bovi Ambrosano, Ana Karina Bedran-Russo
This study evaluated the effect of dentin biomodification on the bond strength (BS) and sealing ability (SA) of HEMA-free and multi-mode adhesives after 24 h and 6 months of water storage. Four adhesives were tested: two multi-mode (Scotchbond Universal - SU, and Prime & Bond Elect - PB) and two HEMA-free (All-Bond 3 - AB, and G-Aenial - GA). Human third molars were selected and dentin was treated with two cross-linking agents (5% glutaraldehyde and 6.5% proanthocyanidin-rich grape seed extract - PACs) for 10 min or kept untreated (control group) (n=6)...
November 2017: Brazilian Dental Journal
https://www.readbyqxmd.com/read/29209115/procedure-related-complications-in-gastric-variceal-obturation-with-tissue-glue
#6
Yun-Wei Guo, Hui-Biao Miao, Zhuo-Fu Wen, Jie-Ying Xuan, Hao-Xiong Zhou
AIM: To focus on procedure-related complications, evaluate their incidence, analyze the reasons and discuss the solutions. METHODS: Overall, 628 endoscopic gastric variceal obturation (EGVO) procedures (case-times) with NBC were performed in 519 patients in the Department of Endoscopy of the Third Affiliated Hospital of Sun Yat-Sen University from January 2011 to December 2016. The clinical data of patients and procedure-related complications of EGVO were retrospectively analyzed...
November 21, 2017: World Journal of Gastroenterology: WJG
https://www.readbyqxmd.com/read/29208873/correlation-between-seropositivity-of-chlamydia-trachomatis-and-tubal-and-or-pelvic-pathology-detected-by-diagnostic-laparoscopy-in-subfertile-women
#7
N Begum, S A Anwary, M Alfazzaman, Z Mahzabin, F Deeba, M A Mostafa, M Akhter, M M Rahman
This prospective observational study was carried out in the Infertility Unit, Department of Obstetrics and Gynaecology, Bangabandhu Sheikh Mujib Medical University (BSMMU), Dhaka, from February 2011 to December 2013. Sixty-nine (69) subfertile women who were seropositive for Chlamydia Trachomatis were included in this study. Inclusion criteria was patients with sub-fertility having age between 22 and 40 years, seeking infertility treatment, normal ovarian function, all normozoospermic male partner, duration of infertility ranged from 1...
October 2017: Mymensingh Medical Journal: MMJ
https://www.readbyqxmd.com/read/29208857/assessment-of-subvalvular-apparatus-in-patients-with-rheumatic-mitral-stenosis-comparison-between-2d-and-3d-echocardiography
#8
S S Shakil, C M Ahmed, F I Khaled, S Nahar, R Perveen, H Pandit, D M Osmani
Mitral valve is the most involved valve in rheumatic heart disease especially in the form of mitral stenosis. Treatment options of mitral stenosis depend upon pattern, extent & the severity of disease and echocardiography has the key role in this area. Severity of involvement of subvalvular apparatus (SVA) is an important factor for determining the treatment option. 2D echocardiography (2DE) is conventionally used. With the advancement of echocardiographic technology 3D echocardiography (3DE) would offer better assessment of subvalvular apparatus...
October 2017: Mymensingh Medical Journal: MMJ
https://www.readbyqxmd.com/read/29208795/in-vitro-assessment-of-influence-of-various-bleaching-protocols-on-the-strength-of-ceramic-orthodontic-brackets-bonded-to-bleached-tooth-surface-a-comparative-study
#9
Divya Iska, Raghu Devanna, Madhvi Singh, Rajkiran Chitumalla, Sai C Bala Balasubramanian, Manish Goutam
INTRODUCTION: Esthetics is one of the common issues because of which patients consult dental orthodontic treatment. Two ways of tooth bleaching are available these days, which includes in-office bleach and home bleach. Various bleaching protocols are available these days for treating the tooth surfaces. Hence, we planned the present study for investigating the impact of various intracoronal bleaching protocols on shear bond strength of ceramic brackets bonded to tooth surface after bleaching...
December 1, 2017: Journal of Contemporary Dental Practice
https://www.readbyqxmd.com/read/29208794/intricate-estimation-and-assessment-of-surface-conditioning-of-posts-to-improve-interfacial-adhesion-in-post-core-restorations-an-in-vitro-study
#10
Priyanka Gupta, Amil Sharma, Vivek K Pathak, Saurabh Mankeliya, Shivanshu Bhardwaj, Poorvasha Dhanare
INTRODUCTION: Post and core restorations are routinely used for restoring grossly decayed tooth structures. Various chemical agents are known to affect the interfacial adhesions between the post and the core. Hence, we planned the present study to evaluate the effect of various post-surface treatments on the interfacial strength between the posts and composite materials that are used for building up the core portion. MATERIALS AND METHODS: The present study included assessment of the effect of surface conditioning of posts on the interfacial adhesion in post-core restorations...
December 1, 2017: Journal of Contemporary Dental Practice
https://www.readbyqxmd.com/read/29208311/bonding-strategies-for-mih-affected-enamel-and-dentin
#11
Norbert Krämer, Ngoc-Han Nana Bui Khac, Susanne Lücker, Vitus Stachniss, Roland Frankenberger
OBJECTIVES: Aim of the present study was to evaluate resin composite adhesion to dental hard tissues affected by molar incisor hypomineralisation (MIH). METHODS: 94 freshly extracted human molars and incisors (53 suffering MIH) were used. 68 teeth (35 with MIH) were used for μ-TBS tests in enamel and dentin, 26 (18 with MIH) for qualitative evaluation. Specimens were bonded with Clearfil SE Bond, Scotchbond Universal, and OptiBond FL. For MIH affected enamel, additional OptiBond FL groups with NaOCl and NaOCl+Icon were investigated...
December 2, 2017: Dental Materials: Official Publication of the Academy of Dental Materials
https://www.readbyqxmd.com/read/29207598/low-expression-of-serpinb2-is-associated-with-reduced-survival-in-lung-adenocarcinomas
#12
Maria Ramnefjell, Christina Aamelfot, Lars Helgeland, Lars A Akslen
Lung cancer is a leading cause of cancer deaths worldwide and new biomarkers are of utmost importance. Studies have indicated that the anti-plasminogen activators SerpinB2 and Neuroserpin, and the adhesion molecule L1CAM, have a coordinated impact on development of metastasis. Here, we examined whether expression of these markers was associated with clinico-pathologic characteristics and prognosis in resected non-small cell lung cancer (NSCLC). Surgical specimens from 438 NSCLC patients treated at Haukeland University Hospital, Bergen, Norway (1993-2010) were included (median age 68 years; 213 adenocarcinomas, 135 squamous cell carcinomas, 90 others)...
October 31, 2017: Oncotarget
https://www.readbyqxmd.com/read/29206362/prevalence-of-neonate-adhesive-skin-injuries-in-a-jordanian-intensive-care-unit
#13
Laila Habiballah
AIM: To determine the prevalence of adhesive skin injuries in neonates in a Jordanian neonatal intensive care unit (NICU) and to examine the characteristics of neonates with these injuries. METHOD: A cross-sectional period-prevalence study was conducted in a NICU in Irbid National University Hospital in Jordan. A total of 169 neonates were examined for skin injuries caused by adhesive equipment. RESULTS: The prevalence of skin injuries in this population was 26...
December 5, 2017: Nursing Children and Young People
https://www.readbyqxmd.com/read/29196948/fracture-behavior-of-all-ceramic-implant-supported-and-tooth-implant-supported-fixed-dental-prostheses
#14
Abdul Rahman Alkharrat, Marc Schmitter, Stefan Rues, Peter Rammelsberg
OBJECTIVES: In vitro investigation of the effects of fixed dental prosthesis (FDP) support and loading conditions on the fracture behavior of all-ceramic, zirconia-based FDP veneered with computer-aided design/computer-aided manufacturing (CAD/CAM)-manufactured lithium disilicate ceramic. MATERIALS AND METHODS: Based on a model for a 3-unit FDP in the molar region (tooth in region 15, implant in region 17), 16 identical zirconia frameworks were fabricated and veneered with milled lithium disilicate ceramic...
December 2, 2017: Clinical Oral Investigations
https://www.readbyqxmd.com/read/29185571/capsaicin-inhibits-the-metastasis-of-human-papillary-thyroid-carcinoma-bcpap-cells-through-the-modulation-of-the-trpv1-channel
#15
Shichen Xu, Li Zhang, Xian Cheng, Huixin Yu, Jiandong Bao, Rongrong Lu
Capsaicin (CAP), a potent transient receptor potential vanilloid type 1 (TRPV1) agonist, is a major ingredient of red pepper. Recently, capsaicin has attracted increasing attention owing to its multiple biological activities. However, the anticancer effects of capsaicin against various types of cancers, especially on thyroid carcinoma, have not been completely elucidated. TRPV1, which can be activated by capsaicin, plays a key role in many biological and physiological processes. In the present study, the anticancer properties of capsaicin against papillary thyroid cancer BCPAP cells were investigated...
November 29, 2017: Food & Function
https://www.readbyqxmd.com/read/29184635/effect-of-denture-cleansing-agents-on-tensile-and-shear-bond-strengths-of-soft-liners-to-acrylic-denture-base
#16
Farhang Mahboub, Fariba Salehsaber, Fereydoon Parnia, Vahedeh Gharekhani, Yousef Kananizadeh, Mahsa Taghizadeh
Background. The aim of the present study was to evaluate the effect of Corega and 2.5% sodium hypochlorite cleansing agents on the shear and tensile bond strengths of GC soft liner to denture base. Methods. A total of 144 samples (72 samples for tensile and 72 for shear bond strength evaluations) were prepared. The samples in each group were subdivided into three subgroups in terms of the cleansing agent used (2.5% sodium hypochlorite, Corega and distilled water [control group]). All the samples were stored in distilled water, during which each sample was immersed for 15 minutes daily in sodium hypochlorite or Corega solutions...
2017: Journal of Dental Research, Dental Clinics, Dental Prospects
https://www.readbyqxmd.com/read/29179567/number-and-frequency-of-routinely-applied-painful-procedures-in-university-neonatal-intensive-care-unit
#17
Manal Kassab, Afnan A Alhassan, Karem H Alzoubi, Yousef S Khader
Neonates at the neonatal intensive care unit (NICU) are at high risk for procedural pain exposure. This study describes the type and frequency of procedures in neonates admitted to University Intensive Care Unit. This was a prospective cohort study of 150 neonates admitted to the NICU during the first 7 days of life at a governmental hospital. The type and frequency of procedures were evaluated using a tool which included the type and number of procedures performed per shift. A total of 14,008 painful procedures were performed on neonates with an average of 97...
November 1, 2017: Clinical Nursing Research
https://www.readbyqxmd.com/read/29178767/effect-of-oxygen-inhibition-in-universal-adhesives-on-dentin-bond-durability-and-interfacial-characteristics
#18
Akimasa Tsujimoto, Wayne W Barkmeier, Toshiki Takamizawa, Mark A Latta, Masashi Miyazaki
PURPOSE: To evaluate the effects of oxygen inhibition of universal adhesive on dentin bond durability and interfacial characteristics. METHODS: The three universal adhesives used were Scotchbond Universal Adhesive, Prime & Bond Elect, and G-Premio Bond. Shear bond strength (SBS) and shear fatigue strength (SFS) of resin composite bonded to adhesive with and without an oxygen inhibited layer (OIL) on dentin using total-etch and self-etch modes were determined. Surface free energy (SFE) and SFE parameters of cured adhesive with and without an OIL on dentin using total-etch and self-etch modes were also measured by the sessile drop method...
April 2017: American Journal of Dentistry
https://www.readbyqxmd.com/read/29178763/influence-of-different-cavity-preparation-designs-on-fracture-resistance-of-onlay-and-overlay-restorations-using-different-cad-cam-materials
#19
Gizem Ön Salman, Ɣbrahim Halil Tacír, Zelal Seyfioğlu Polat, Afşin Salman
PURPOSE: To evaluate fracture strength of different preparation designed onlay and overlay restorations produced by Computer Aided Design/Computer Aided Manufacturing (CAD/CAM) and three different new ceramic-polymer blocks. METHODS: Ninety-one extracted human mandibular molars were used in this study. Preparations were made as (1) Only functional cusps reduction, (2) Only functional cusps reduction+rounded shoulder finish line, (3) All cusps reduction, or (4) All cusps reduction+rounded shoulder finish line...
June 2017: American Journal of Dentistry
https://www.readbyqxmd.com/read/29178732/comparison-of-enamel-bond-fatigue-durability-of-universal-adhesives-and-two-step-self-etch-adhesives-in-self-etch-mode
#20
Akimasa Tsujimoto, Wayne W Barkmeier, Yumiko Hosoya, Kie Nojiri, Yuko Nagura, Toshiki Takamizawa, Mark A Latta, Masashi Miyazaki
PURPOSE: To comparatively evaluate universal adhesives and two-step self-etch adhesives for enamel bond fatigue durability in self-etch mode. METHODS: Three universal adhesives (Clearfil Universal Bond; G-Premio Bond; Scotchbond Universal Adhesive) and three two-step self-etch adhesives (Clearfil SE Bond; Clearfil SE Bond 2; OptiBond XTR) were used. The initial shear bond strength and shear fatigue strength of the adhesive to enamel in self-etch mode were determined...
October 2017: American Journal of Dentistry
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