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Clinical Oral Investigations

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https://www.readbyqxmd.com/read/29464359/dentinal-tubule-obliteration-using-toothpastes-containing-sodium-trimetaphosphate-microparticles-or-nanoparticles
#1
Carla Oliveira Favretto, Alberto Carlos Botazzo Delbem, João Carlos Silos Moraes, Emerson Rodrigues Camargo, Priscila Toninatto Alves de Toledo, Denise Pedrini
OBJECTIVES: This in vitro study evaluated the effect of microparticles (TMPmicro) or nanoparticles (TMPnano) TMP associated with fluoride (F) in toothpaste formulations on the obliteration of dentinal tubules (DT). MATERIALS AND METHODS: The dentinal tubules of bovine dentin blocks were unobstructed by immersion in 37% phosphoric acid solution. Blocks (n = 20/group) underwent mechanical brushing (2×/day) during 7 days with toothpastes: placebo, 1100 ppm F, and 1100 with 3% TMPmicro or 3% TMPnano...
February 20, 2018: Clinical Oral Investigations
https://www.readbyqxmd.com/read/29455373/diagnostic-value-of-ultrasonography-for-the-detection-of-disc-displacements-in-the-temporomandibular-joint-a-systematic-review-and-meta-analysis
#2
Naichuan Su, Arjen J van Wijk, Corine M Visscher, Frank Lobbezoo, Geert J M G van der Heijden
OBJECTIVES: The aim was to assess the added diagnostic value of ultrasonography (US) for establishing the presence or absence of disc displacements (DDs) in temporomandibular joints (TMJs). MATERIALS AND METHODS: Pubmed and EMBASE were searched electronically to identify diagnostic accuracy studies that assessed the diagnostic value of US for the diagnosis of DD, using Magnetic resonance imaging (MRI) as the reference standard. Meta-analyses were performed with Metadisc 1...
February 17, 2018: Clinical Oral Investigations
https://www.readbyqxmd.com/read/29455372/effectiveness-and-effect-of-non-vital-bleaching-on-the-quality-of-life-of-patients-up-to-6-months-post-treatment-a-randomized-clinical-trial
#3
Cristian Bersezio, Paulina Ledezma, Carla Mayer, Oriana Rivera, Osmir Batista Oliveira Junior, Eduardo Fernández
OBJECTIVES: The aim of this study was to evaluate the esthetic perception of patients at 6 months after bleaching of non-vital teeth with 35% of hydrogen peroxide and 37% of carbamide peroxide using a walking bleach technique. We also assessed psychosocial impacts as well as the clinical effectiveness and stability of the color change. MATERIALS AND METHODS: The teeth bleaching treatment was randomly assigned to two groups according to the bleaching agent used: G1 HP = 35% of hydrogen peroxide (n = 25) and G2 CP = 37% of carbamide peroxide (n = 25)...
February 17, 2018: Clinical Oral Investigations
https://www.readbyqxmd.com/read/29455371/cyclic-fatigue-resistance-of-r-pilot-waveone-gold-glider-and-proglider-glide-path-instruments
#4
Cangül Keskin, Uğur İnan, Murat Demiral, Ali Keleş
OBJECTIVE: The aim of the present study was to compare the cyclic fatigue resistance of R-Pilot (VDW; Munich, Germany) with ProGlider (Denstply Sirona; Ballaigues, Switzerland) and WaveOne Gold Glider (Denstply Sirona; Ballaigues, Switzerland) glide path instruments. MATERIALS AND METHODS: R-Pilot, ProGlider, and WaveOne Gold Glider instruments were collected (n = 15) and tested in a dynamic cyclic fatigue test device, which has an artificial canal with 60° angle of curvature and a 5-mm radius of curvature...
February 17, 2018: Clinical Oral Investigations
https://www.readbyqxmd.com/read/29453497/bone-mineralization-and-vascularization-in-bisphosphonate-related-osteonecrosis-of-the-jaw-an-experimental-study-in-the-rat
#5
Jean-Daniel Kün-Darbois, Hélène Libouban, Guillaume Mabilleau, Florence Pascaretti-Grizon, Daniel Chappard
OBJECTIVES: Pathogenesis of bisphosphonate-related osteonecrosis of the jaws (BRONJ) is not fully explained. An antiangiogenic effect of bisphosphonates (BPs) or an altered bone quality have been advocated. The aims of the present study were to analyze alveolar mandibular vascularization and bone quality in rats with BRONJ. MATERIALS AND METHODS: Thirty-eight Sprague-Dawley rats were randomized into two groups: zoledronic acid (ZA), n = 27, and control (CTRL) n = 11...
February 16, 2018: Clinical Oral Investigations
https://www.readbyqxmd.com/read/29453496/influence-of-surface-treatment-on-the-performance-of-silorane-based-composite-resin-in-class-i-restorations-a-randomized-clinical-trial
#6
Isabella Pereira Marques, Fabíola Belkiss Santos de Oliveira, João Gabriel Silva Souza, Raquel Conceição Ferreira, Claudia Silami Magalhães, Fabiana Mantovani Gomes França, Daniela Araújo Veloso Popoff
OBJECTIVES: The aim of this study was to evaluate the clinical performance of silorane-based composite restorations applied after different surface treatments. MATERIALS AND METHODS: This controlled and randomized clinical trial included 26 patients with class I restoration indications. The teeth were randomly assigned to the following treatments: control 1/G1, silorane specific self-etching adhesive (P90 self-etch primer and bond) + silorane-based composite resin (Filtek™ P90 low shrink posterior restorative); G2, 37% phosphoric acid + silorane specific self-etching adhesive + silorane-based composite resin; G3, blasting with aluminum oxide + silorane specific self-etching adhesive + silorane-based composite resin; and control 2/G4, self-etching adhesive (Adper™ SE Plus self-etch adhesive) + dimethacrylate-based composite resin (Filtek™ P60 posterior restorative)...
February 16, 2018: Clinical Oral Investigations
https://www.readbyqxmd.com/read/29450739/influence-of-operator-skill-level-on-the-clinical-outcome-of-non-surgical-periodontal-treatment-a-retrospective-study
#7
Avital Kozlovsky, Alex Rapaport, Zvi Artzi
OBJECTIVES: The aim of this study is to evaluate the effect of operators experience and skill on treatment results of initial non-surgical periodontal therapy. MATERIALS AND METHODS: Initial periodontal treatment was carried out by either second-year periodontal residents (PR) or last year dental students (DS). From the treatment records of patients in each group, plaque and bleeding indices, and pocket depth (PD) at baseline and at re-evaluation were collected retrospectively on each tooth at six locations...
February 15, 2018: Clinical Oral Investigations
https://www.readbyqxmd.com/read/29450738/double-blind-randomized-controlled-clinical-trial-on-analgesic-efficacy-of-local-anesthetics-articaine-and-bupivacaine-after-impacted-third-molar-extraction
#8
Maria Victoria Olmedo-Gaya, Francisco Javier Manzano-Moreno, Jose Luis Muñoz-López, Manuel Francisco Vallecillo-Capilla, Candela Reyes-Botella
OBJECTIVE: The objective of this randomized controlled clinical trial (RCT) was to compare the effect of bupivacaine and articaine at habitual doses on pain intensity and the need for analgesics after lower third molar extraction. MATERIALS AND METHODS: The final study sample comprised 50 Caucasian volunteers (26 males and 24 females; age range, 18-30 years) undergoing scheduled surgical extraction of impacted lower third molar. A computer-generated random sequence was used to allocate participants to the articaine (4%) or bupivacaine (0...
February 15, 2018: Clinical Oral Investigations
https://www.readbyqxmd.com/read/29450737/correlation-between-plaque-control-and-gingival-health-using-short-and-extended-oral-hygiene-intervals
#9
S C De David, T G Mário, G C De Freitas, K Z Kantorski, U M E Wikesjö, Carlos Heitor Cunha Moreira
OBJECTIVES: To evaluate the correlation between dental plaque formation and gingival health in subjects performing high oral hygiene standards over short or extended intervals. MATERIALS AND METHODS: Fifty-two non-dental students volunteered for this study. The subjects, trained to perform high oral hygiene standards, were randomized to perform oral hygiene at 12-, 24-, 48-, or 72-h interval over 30 days. The plaque index (PlI) and the gingival index (GI) were evaluated at baseline, 15, and 30 days...
February 15, 2018: Clinical Oral Investigations
https://www.readbyqxmd.com/read/29450736/health-and-quality-of-life-differ-between-community-living-older-people-with-and-without-remaining-teeth-who-recently-received-formal-home-care-a-cross-sectional-study
#10
A R Hoeksema, L L Peters, G M Raghoebar, H J A Meijer, A Vissink, A Visser
OBJECTIVE: To assess oral health, health, and quality of life (QoL) of care-dependent community-living older people with and without remaining teeth who recently received formal home care. MATERIALS AND METHODS: For this cross-sectional observational study, community-living older people (≥ 65 years), who recently (< 6 months) received formal home care, were interviewed with validated questionnaires and underwent an oral examination. Oral health, general health, medicines usage, frailty (Groningen Frailty Indicator), cognition (Minimal Mental State Examination), QoL (RAND 36), and oral health-related QoL (Oral Health Impact Profile-14) were assessed...
February 15, 2018: Clinical Oral Investigations
https://www.readbyqxmd.com/read/29450735/n-acetyl-l-cysteine-protects-dental-tissue-stem-cells-against-oxidative-stress-in-vitro
#11
Jasmina Martacic, Milica Kovacevic Filipovic, Suncica Borozan, Zorica Cvetkovic, Tamara Popovic, Aleksandra Arsic, Marija Takic, Vesna Vucic, Maria Glibetic
OBJECTIVES: The aim of our study was to investigate whether N-acetyl-L-cysteine (NAC) could protect stem cells from exfoliated deciduous teeth (SHED) against oxidative damage, during in vitro cultivation, to preserve regenerative potential of these cells. Accordingly, we examined the potential of cell culture supplementation with NAC in prevention of lipid peroxidation, unfavorable changes of total lipids fatty acid composition, and the effects on the activity of antioxidant enzymes. MATERIAL AND METHODS: We analyzed the extent of oxidative damage in SHED after 48 h treatment with different NAC concentrations...
February 15, 2018: Clinical Oral Investigations
https://www.readbyqxmd.com/read/29445881/study-of-salivary-and-serum-vaspin-and-total-antioxidants-in-anorexia-nervosa
#12
Elzbieta Paszynska, Marta Tyszkiewicz-Nwafor, Agnieszka Slopien, Monika Dmitrzak-Weglarz, Agata Dutkiewicz, Teresa Grzelak
OBJECTIVES: Patients with anorexia nervosa (AN) are primarily at high risk of multiple somatic complications, including oral diseases. In recent years, a number of new molecules that may play a potentially important role in AN progress and prognosis have been identified in saliva, but their exact roles are still poorly understood. Two such group of substances are antioxidants and vaspin. The purpose of this observational, cross-sectional study was to measure both the salivary and serum total antioxidant status (TAS), and vaspin (VASP) concentrations of patients with AN in comparison to an average population...
February 14, 2018: Clinical Oral Investigations
https://www.readbyqxmd.com/read/29442188/damage-regulated-autophagy-modulator-1-in-oral-inflammation-and-infection
#13
Svenja Memmert, A V B Nogueira, A Damanaki, M Nokhbehsaim, S Eick, T Divnic-Resnik, A Spahr, B Rath-Deschner, A Till, W Götz, J A Cirelli, A Jäger, J Deschner
OBJECTIVES: Damage-regulated autophagy modulator (DRAM) 1 is a p53 target gene with possible involvement in oral inflammation and infection. This study sought to examine the presence and regulation of DRAM1 in periodontal diseases. MATERIAL AND METHODS: In vitro, human periodontal ligament fibroblasts were exposed to interleukin (IL)-1β and Fusobacterium nucleatum for up to 2 days. The DRAM1 synthesis and its regulation were analyzed by real-time PCR, immunocytochemistry, and ELISA...
February 13, 2018: Clinical Oral Investigations
https://www.readbyqxmd.com/read/29442187/effect-of-multiple-autoclave-cycles-on-the-surface-roughness-of-hyflex-cm-and-hyflex-edm-files-an-atomic-force-microscopy-study
#14
K Yılmaz, G Uslu, T Özyürek
AIM: To compare the effect of autoclave cycles on the surface topography and roughness of HyFlex CM and HyFlex EDM instruments using atomic force microscopy (AFM) analysis. METHODOLOGY: Eight new files of each brand were subdivided into four subgroups (n = 2/each subgroup). One group was allocated as the control group and not subjected to autoclave sterilization. The other three groups were subjected to different numbers (1, 5, and 10) of autoclave sterilization cycles...
February 13, 2018: Clinical Oral Investigations
https://www.readbyqxmd.com/read/29435662/novel-evaluation-method-of-dentin-repair-by-direct-pulp-capping-using-high-resolution-micro-computed-tomography
#15
Motoki Okamoto, Yusuke Takahashi, Shungo Komichi, Manahil Ali, Naomichi Yoneda, Takuya Ishimoto, Takayoshi Nakano, Mikako Hayashi
OBJECTIVES: We evaluated a novel micro-computed tomography (micro-CT) assessment for quality and quantity of dentin repair, which is difficult to visualize by histological analysis, after direct pulp capping under standardized cavity preparation. MATERIALS AND METHODS: Standardized cavities were prepared on Wistar rats and direct pulp capping was performed using two commercial bioceramics, ProRoot MTA, and iRoot BP Plus. After 2 or 4 weeks, quality and quantity of tertiary dentin formation were evaluated using high-resolution micro-CT analyses including dentin mineral density, dentin mineral contents, compactness and integrity of tertiary dentin, and dentin volume with/without void space...
February 12, 2018: Clinical Oral Investigations
https://www.readbyqxmd.com/read/29430611/radiotherapy-alters-the-composition-structural-and-mechanical-properties-of-root-dentin-in-vitro
#16
Marilia Mattar de Amoêdo Campos Velo, Ana Laura Herrera Farha, Paulo Sérgio da Silva Santos, Aymée Shiota, Simone Zuquerato Sansavino, Ana Tarsila Souza, Heitor Marques Honório, Linda Wang
OBJECTIVES: Post-radiation dental lesions affect mainly the cervical area of the tooth. Until now, there are quite few evidences regarding the effects of radiation exposure on root dentin breakdown. To better understand this effect, we used human root dentin specimens obtained from third molars from similarly aged individuals. MATERIALS AND METHODS: Twenty specimens were analyzed by the surface hardness (SH), energy-dispersive X-ray spectroscopy (EDX), and X-ray diffraction (XRD) to evaluate the baseline properties of their root dentin...
February 11, 2018: Clinical Oral Investigations
https://www.readbyqxmd.com/read/29429068/stability-of-maxillary-protraction-therapy-in-children-with-class-iii-malocclusion-a-systematic-review-and-meta-analysis
#17
Yifan Lin, Runzhi Guo, Liyu Hou, Zhen Fu, Weiran Li
OBJECTIVE: The objective of this study was to evaluate the stability of treatment effects of maxillary protraction therapy in Class III children. MATERIALS AND METHODS: Multiple electronic databases were searched from 01/1996 to 10/2016. Randomized clinical trials, controlled clinical trials, and cohort studies with untreated Class III controls and a follow-up over 2 years were considered for inclusion. The methodological quality of the studies and publication bias were evaluated...
February 10, 2018: Clinical Oral Investigations
https://www.readbyqxmd.com/read/29427008/oral-health-related-quality-of-life-changes-in-children-following-dental-treatment-under-general-anaesthesia-a-meta-analysis
#18
Joon Soo Park, Robert P Anthonappa, Rana Yawary, Nigel M King, Luc C Martens
OBJECTIVE: To conduct a meta-analysis of studies that have employed the Early Childhood Oral Health Impact Scale (ECOHIS) and Child Oral Health-Related Quality of Life (COHRQoL) instruments, to evaluate the oral health-related quality of life (OHRQoL) changes in children following dental treatment under general anaesthesia (DGA). METHOD: A systematic search of 5 databases was conducted in accordance with the PRISMA guidelines. The inclusion criteria were use of ECOHIS and COHRQoL, pre-and post-operative assessments, patients aged between 0 and 16 years, no restrictions on the follow-up period and DGA...
February 9, 2018: Clinical Oral Investigations
https://www.readbyqxmd.com/read/29423713/effects-of-a-sodium-fluoride-and-phytate-containing-dentifrice-on-remineralisation-of-enamel-erosive-lesions-an-in-situ-randomised-clinical-study
#19
Jonathan E Creeth, Charles R Parkinson, Gary R Burnett, Susmita Sanyal, Frank Lippert, Domenick T Zero, Anderson T Hara
OBJECTIVE: The objective of this work was to evaluate effects of a dentifrice containing sodium fluoride (1150 ppm F) and the organic polyphosphate phytate (0.85% w/w of the hexa-sodium salt) on in situ remineralisation of early enamel erosive lesions and resistance to subsequent demineralisation. MATERIALS AND METHODS: Subjects (n = 62) wore palatal appliances holding eight bovine enamel specimens with pre-formed erosive lesions. They brushed their natural teeth with the phytate test dentifrice (TD); a positive control dentifrice (PC, 1150 ppm fluoride as NaF); a reference dentifrice (RD, disodium pyrophosphate + 1100 ppm fluoride as NaF) or a negative control dentifrice (NC, fluoride-free) in a randomised, double-blind, crossover design...
February 8, 2018: Clinical Oral Investigations
https://www.readbyqxmd.com/read/29423712/correction-to-cone-beam-computed-tomography-and-ultrasonography-imaging-of-benign-intraosseous-jaw-lesion-a-prospective-radiopathological-study
#20
Ibrahim Sevki Bayrakdar, Ahmet Berhan Yilmaz, Fatma Caglayan, Umit Ertas, Cemal Gundogdu, Ismail Gumussoy
In the original version of this article, '123 lytic intraosseous jaw lesions diagnosed in 112 patients' was incorrectly presented as '123 lytic intraosseous jaw lesions diagnosed in 121 patients' and 'an average age of 31.7 ± 15.4 (range, 6-72)' was incorrectly presented as 'average age of 15.4 ± 31.7 (range, 6-72)'.
February 8, 2018: Clinical Oral Investigations
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