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Quintessence International

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https://www.readbyqxmd.com/read/27834422/buccal-bone-thickness-around-single-dental-implants-in-the-maxillary-esthetic-zone
#1
Konstantinos M Chochlidakis, Alessandro Geminiani, Panos Papaspyridakos, Nitu Singh, Carlo Ercoli, Chun-Jung Chen
OBJECTIVE: To compare the thickness of buccal bone around single dental implants placed in the anterior maxilla (premolar to premolar) inserted with different placement protocols. DATA SOURCES: An electronic search was conducted using MEDLINE (PubMed), Cochrane Central Register of Controlled Trials (CENTRAL), and EMBASE, from January 1980 to July 2015. Mean buccal bone thickness around single dental implants was measured and correlation with implant placement protocols, loading protocols, and augmentation method was assessed...
November 10, 2016: Quintessence International
https://www.readbyqxmd.com/read/27834421/the-clinical-performance-of-chairside-caries-risk-assessment-kits
#2
Maxine Strickland, Peter Duda, Hisham E Merdad, Rosa E Pelaez-Shelton, R Glenn Rosivack, Kenneth Markowitz
OBJECTIVE: Caries risk assessment is an important component of clinical practice. The goal of this project was to evaluate the diagnostic performance of two commercially available kits (the Saliva-Check mutans and the Plaque-Check pH kit; GC-America) in distinguishing caries-active from caries-free individuals. The effect of following instructions not to eat, drink, or perform oral hygiene, prior to testing, was also investigated on the effectiveness of these kits. METHOD AND MATERIALS: The subjects included 26 caries-affected children and 20 caries-free adults...
November 10, 2016: Quintessence International
https://www.readbyqxmd.com/read/27834420/clinical-accuracy-of-a-novel-open-lattice-frame-implant-positioning-system-a-case-series
#3
Jacob Horwitz, Eli E Machtei, Hadar Zigdon-Giladi
The purpose of the study was to assess the clinical accuracy of a novel open-lattice-frame implant positioning system by evaluating the deviation between planned and actual implant positions on pre- and postoperative cone beam computed tomography (CBCT) images of patients treated with dental implants. Secondary aims were to record surgical time from first incision to end of implant surgery and start of suturing, and to record patient and surgeon satisfaction from the implant surgical procedure. Pre- and postoperative CBCT of 10 patients receiving 18 dental implants were used to generate implant angular deviations and implant shoulder and apex deviations...
November 10, 2016: Quintessence International
https://www.readbyqxmd.com/read/27834419/limitations-and-options-using-resorbable-versus-nonresorbable-membranes-for-successful-guided-bone-regeneration
#4
Nikolaos K Soldatos, Popi Stylianou, Vasiliki P Koidou, Nikola Angelov, Raymond Yukna, Georgios E Romanos
OBJECTIVE: Deficient bony ridges often complicate the implant treatment plan. Several treatment modalities are used to regenerate bone, including guided bone regeneration (GBR). The purpose of this study was to summarize the knowledge on different types of membranes available and currently used in GBR procedures in a staged approach or with simultaneous implant placement. The primary role of the membranes is to exclude epithelial and connective tissue cells from the wound area to be regenerated, and to create and maintain the space into which pluripotential and osteogenic cells are free to migrate...
November 10, 2016: Quintessence International
https://www.readbyqxmd.com/read/27834418/effect-of-periodontitis-on-bone-mineral-density-in-postmenopausal-women-a-non-randomized-interventional-study
#5
Aastha Baldodia, Rajinder Kumar Sharma, Shikha Tewari, Satish Chander Narula
OBJECTIVE: Chronic periodontitis (CP) is associated with increased systemic inflammation and osteoporosis. Pro-inflammatory cytokines, implicated in systemic bone loss, are also associated with periodontitis. The impact of control of systemic inflammation by scaling and root planing (SRP) on bone mineral density (BMD) in postmenopausal (PM) osteopenic women with CP was investigated in this study. METHOD AND MATERIALS: Sixty-eight PM osteopenic women with CP were included...
November 10, 2016: Quintessence International
https://www.readbyqxmd.com/read/27834417/inferior-alveolar-nerve-block-for-the-treatment-of-teeth-presenting-with-irreversible-pulpitis-a-systematic-review-of-the-literature-and-meta-analysis
#6
Stefano Corbella, Silvio Taschieri, Francesco Mannocci, Eyal Rosen, Igor Tsesis, Massimo Del Fabbro
OBJECTIVE: The objective of the present systematic review was to evaluate, in patients with irreversible pulpitis affecting mandibular posterior teeth, if premedication with nonsteroidal anti-inflammatory drugs can increase the efficacy of inferior alveolar nerve block (IANB) if compared to placebo administration; if one anesthetic agent is more effective than another; if 1.8 mL injection is more effective than 3.6 mL injection to increase the efficacy of IANB; and if supplementary buccal injection is able to increase the efficacy of IANB as compared to a negative control/placebo group...
November 10, 2016: Quintessence International
https://www.readbyqxmd.com/read/27834416/accuracy-and-efficiency-of-full-arch-digitalization-and-3d-printing-a-comparison-between-desktop-model-scanners-an-intraoral-scanner-a-cbct-model-scan-and-stereolithographic-3d-printing
#7
Christian Wesemann, Jonas Muallah, James Mah, Axel Bumann
OBJECTIVE: The primary objective of this study was to compare the accuracy and time efficiency of an indirect and direct digitalization workflow with that of a three-dimensional (3D) printer in order to identify the most suitable method for orthodontic use. METHOD AND MATERIALS: A master model was measured with a coordinate measuring instrument. The distances measured were the intercanine width, the intermolar width, and the dental arch length. Sixty-four scans were taken with each of the desktop scanners R900 and R700 (3Shape), the intraoral scanner TRIOS Color Pod (3Shape), and the Promax 3D Mid cone beam computed tomography (CBCT) unit (Planmeca)...
November 10, 2016: Quintessence International
https://www.readbyqxmd.com/read/27834415/antimicrobial-influence-of-different-root-canal-filling-techniques-in-experimentally-infected-human-root-canals
#8
Christian Tennert, Tilman Schurig, Ali Al-Ahmad, Sabrina Lydia Strobel, Andrej M Kielbassa, Karl-Thomas Wrbas
OBJECTIVE: The aim of the present study was to evaluate the antimicrobial influence of different root canal filling techniques using gutta-percha and an epoxy resin-based sealer in experimentally infected root canals of extracted human teeth. METHOD AND MATERIALS: In total, 96 intact sterilized, permanent human anterior teeth and premolars with single patent root canals were prepared and infected with a clinical isolate of Enterococcus faecalis. After 72 hours, all root canals were sampled using three sterile paper points...
November 10, 2016: Quintessence International
https://www.readbyqxmd.com/read/27834414/psychosocial-aspects-and-temporomandibular-disorders-in-dental-students
#9
Cibele Oliveira de Melo Rocha, Raniel Fernandes Peixoto, Camila Maria Bastos Machado Resende, Arthur César de Medeiros Alves, Ângelo Giuseppe Roncalli da Oliveira, Gustavo Augusto Seabra Barbosa
OBJECTIVE: Dental students have high levels of anxiety that can affect not only academic performance but also increase the risk for other diseases. It is believed that the increase in the incidence of chronic orofacial pain in temporomandibular disorders (TMDs) may have an impact on the quality of life and general health of subjects. The aim of this study was to evaluate the prevalence of TMD in dental students and its association with general health, quality of life, and anxiety. METHOD AND MATERIALS: Ninety students were evaluated by four questionnaires to determine the prevalence and severity of TMD (Fonseca's questionnaire) and to quantify general health (General Health Questionnaire - GHQ), quality of life (World Health Organization Quality of Life - Brief version - WHOQOL-brief) and anxiety levels (State-Trait Anxiety Index - STAI)...
November 10, 2016: Quintessence International
https://www.readbyqxmd.com/read/27822573/venous-malformation-with-multiple-phleboliths-%C3%A2-a-case-report
#10
Canan Uzun, Peruze Celenk, Paul F van der Stelt
Venous malformations are congenital, abnormally formed vessels, present at birth. They do not undergo regression with the growth of the patient. Due to the stagnation of blood flow in venous malformations, thrombosis and phlebolith formation may occur. Phleboliths are calcified thrombi which radiographically must be differentiated from calcified lymph nodes, sialoliths, foreign bodies, and other radiopacities. We report an extensive venous malformation in a 19-year-old woman with panoramic radiography demonstrating multiple phleboliths...
November 7, 2016: Quintessence International
https://www.readbyqxmd.com/read/27822572/indirect-zirconia-reinforced-lithium-silicate-ceramic-cad-cam-restorations-preliminary-clinical-results-after-12-months
#11
Moritz Zimmermann, Christina Koller, Albert Mehl, Reinhard Hickel
OBJECTIVE: No clinical data are available for the new computer-aided design/computer-assisted manufacture (CAD/CAM) material zirconia-reinforced lithium silicate (ZLS) ceramic. This study describes preliminary clinical results for indirect ZLS CAD/CAM restorations after 12 months. METHOD AND MATERIALS: Indirect restorations were fabricated, using the CEREC method and intraoral scanning (CEREC Omnicam, CEREC MCXL). Sixty-seven restorations were seated adhesively (baseline)...
November 7, 2016: Quintessence International
https://www.readbyqxmd.com/read/27822571/histology-and-surface-ultrastructure-during-early-healing-after-gingival-augmentation-with-a-three-dimensional-collagen-matrix-a-report-of-six-cases
#12
Darian Rusu, Stefan-Ioan Stratul, Dana Festila, Petra Surlin, Adrian Kasaj, Flavia Baderca, Marius Boariu, Holger Jentsch, Cosmin Locovei, Bogdan Calenic
OBJECTIVES: The objective of the present case series is to describe the histology and surface ultrastructure of augmented keratinized gingival mucosa in humans during the early healing phase after surgical placement of a xenogeneic collagen matrix. METHOD AND MATERIALS: Six patients underwent surgical augmentation of keratinized tissue by placement of a three-dimensional (3D) xenogeneic collagen matrix. Full-depth mucosal biopsies including original attached gingiva, augmented gingiva, and the separation zone were performed at baseline and at postoperative days 7 and 14...
November 7, 2016: Quintessence International
https://www.readbyqxmd.com/read/27669727/evaluation-of-root-canal-transportation-centering-ratio-and-remaining-dentin-thickness-of-trushape-and-protaper-next-systems-in-curved-root-canals-using-micro-computed-tomography
#13
Amr M Elnaghy, Ayman A Al-Dharrab, Hisham M Abbas, Shaymaa E Elsaka
OBJECTIVE: To evaluate and compare the volume of removed dentin, transportation, and centering ability of TRUShape (TRS; Dentsply Tulsa Dental Specialties) system with ProTaper Next (PTN; Dentsply Maillefer) by using micro-computed tomography (μCT). METHOD AND MATERIALS: Twenty extracted human mandibular first molars with two separate mesial canals with curvatures of 25 to 35 degrees were divided into two experimental groups (n = 20) according to the rotary nickel-titanium file system used in canal instrumentation as follows: group TRS and group PTN...
September 26, 2016: Quintessence International
https://www.readbyqxmd.com/read/27669726/factors-associated-with-postobturation-pain-following-single-visit-nonsurgical-root-canal-treatment-%C3%A2-a-systematic-review
#14
Venkateshbabu Nagendrababu, James L Gutmann
OBJECTIVE: Reducing the pain after root canal therapy is a key aspect in endodontic practice. The present systematic review aimed to identify the factors that influence postobturation pain (POP) in patients receiving single-visit nonsurgical root canal treatment. DATA SOURCES: A literature search was performed manually and in Pubmed (Medline) database to identify relevant articles. A data extraction form was constructed and data were collected from the identified articles...
September 26, 2016: Quintessence International
https://www.readbyqxmd.com/read/27669725/comparison-of-self-perceived-oral-symptoms-and-periodontal-parameters-among-habitual-%C3%A2-shamma-chewers-gutka-chewers-and-non-chewers
#15
Mansour Al-Askar, Tariq Abduljabbar, Fahim Vohra, Sandeep Pasumarthy, Elham Gholamiazizi, Michael Yunker, Georgios E Romanos, Fawad Javed
OBJECTIVE: There are no studies that have (a) compared self-perceived oral symptoms and clinical and radiographic periodontal parameters (plaque index [PI], bleeding on probing [BoP], clinical attachment loss [CAL], and marginal bone loss [MBL]) among shamma-chewers (SC) and gutka-chewers (GC); and (b) assessed periodontal parameters among SC. The aim of the present study was to compare the self-perceived oral symptoms and periodontal parameters among SC, GC, and controls. METHOD AND MATERIALS: Information regarding demographic characteristics and self-perceived oral symptoms was gathered using a structured questionnaire...
September 26, 2016: Quintessence International
https://www.readbyqxmd.com/read/27669724/invasive-cervical-resorption-following-orthodontic-treatment-two-cases-involving-the-same-patient
#16
Margarita Yoshpe, Arieh Kaufman, Shaul Lin, Eran Gabay, Shmuel Einy
: Invasive cervical resorption (ICR), a destructive form of external root resorption, is characterized by invasion of the fibrovascular tissue. This phenomenon is very rare and appears in 0.02% of the general population where the leading factors are orthodontics in addition to trauma, restorations, and bleaching. Heavy orthodontic force may increase the incidence to 1%. One of the main concerns regarding ICR is that it is often misdiagnosed with conventional diagnostic tools. In recent decades, a cone beam computed tomography (CBCT) imaging technique has become more common and can lead to a more accurate diagnosis and treatment plan...
September 26, 2016: Quintessence International
https://www.readbyqxmd.com/read/27669723/transient-lingual-papillitis
#17
Ida M Kornerup, Mireya Senye, Edmund Peters
A case of recurrent, clinically innocuous, but painful papules involving the tongue dorsum of a 25-year-old man is presented. The lesions were interpreted to represent a transient lingual papillitis. This a poorly understood, but benign and self-limited condition involving the tongue fungiform papillae, which does not appear to be widely recognized.
September 26, 2016: Quintessence International
https://www.readbyqxmd.com/read/27669722/clinical-retrospective-study-of-self-reported-penicillin-allergy-on-dental-implant-failures-and-infections
#18
David French, Mehdi Noroozi, Batoul Shariati, Hannu Larjava
OBJECTIVE: The aim of this retrospective study was to investigate whether self-reported allergy to penicillin may contribute to a higher rate of postsurgical infection and implant failure. METHOD AND MATERIALS: This retrospective, non-interventional, open cohort study reports on implant survival and infection complications of 5,576 implants placed in private practice by one periodontist, and includes 4,132 implants that were followed for at least 1 year. Logistic regression was applied to examine the relationship between self-reported allergy to penicillin and implant survival, while controlling for potential confounders such as smoking, implant site, bone augmentation, loading protocol, immediate implantation, and bone level at baseline...
September 26, 2016: Quintessence International
https://www.readbyqxmd.com/read/27669721/is-immediate-implant-placement-possible-in-the-maxillary-molar-area-an-anatomical-study
#19
Sabit Demircan, Abdulkadir Burak Çankaya
The dimensions of maxillary first molars were investigated and measured using cone beam computed tomography (CBCT) to examine the effectiveness of immediate placement of implants in the maxillary molar area. The CBCT images of 68 patients were collected. The dimensions of the maxillary first molar sockets were measured in both sagittal and coronal aspects, as well as the height of the alveolar bone crest (ABC) to the sinus membrane (SM) at optimal implant position. Sinus membrane and maxillary first molar relationships were analyzed sagittally and coronally...
September 26, 2016: Quintessence International
https://www.readbyqxmd.com/read/27669720/evaluation-of-the-periodontal-conditions-of-teeth-with-restored-and-non-restored-non-carious-cervical-lesions
#20
Bruno César de Vasconcelos Gurgel, Natália Guedes Vinagre Solera, Raniel Fernandes Peixoto, Angélica Oliveira de Assis, Patricia Dos Santos Calderon, Maria Cristina Dos Santos Medeiros
OBJECTIVE: This research evaluated the periodontal conditions of teeth with restored and non-restored non-carious cervical lesions (NCCLs). METHOD AND MATERIALS: Thirty-seven patients presenting at least two contralateral teeth with NCCL (one restored and another non-restored) were selected. Non-restored NCCL teeth were classified as a control group, while the contralateral teeth restored within at least 3 months with a Class 5 restoration located near the gingival margin were classified as the test group...
September 26, 2016: Quintessence International
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