Background: Clinical experience suggests that there is a difference in survival between anterior and posterior all ceramic restorations.
Objectives: This systematic review compared the difference in survival for full coverage all-ceramic materials used in adults to restore anterior or posterior vital teeth, not involved with fixed dental prostheses, but opposed by teeth.
Data And Sources: Searches using Medline, Embase, and the Cochrane Library, including hand searches, with the inclusion criteria containing all-ceramic full coverage crowns in human adults over 17 years of age, prospective and retrospective studies, opposed by teeth, periodontal pocketing ≤5mm, but not involving implant supported crowns or non-vital teeth. All papers were published between 1980 and March 2014 and available in English. From the selected studies a meta analysis was undertaken. The chi square test, I, Begg's and Egger's test were analysed and the publication bias was assessed using a Funnel plot. The, Kappa scores were 0.63, 0.88, and 0.81 at each selection stage.
Study Selections: Pooled data produced 1112 anterior crowns with 73 failures (6.5%) and 1821 posterior crowns with 166 failures (9.1%) with a follow up time from 36 to 223 months. Relative risk meta-analysis of the 14 selected papers demonstrated that anterior all-ceramic crowns were 50% less likely to fail than posterior all-ceramic crowns (p=0.001).
Conclusion: These results indicate that there were differences in failure between anterior and posterior all ceramic crowns but the difference was only 3%. Although this has clinical relevance and some caution is needed when prescribing all ceramic posterior crowns the difference was relatively small.
Clinical Significance: The clinically relevant results of this review, based on currently available data, demonstrate a need for some caution when considering posterior all-ceramic crowns. Lithium disilicate restorations were observed to have higher failures on anterior restorations and more research is needed to investigate why.
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http://dx.doi.org/10.1016/j.jdent.2016.08.009 | DOI Listing |
Obes Surg
December 2024
Department of Upper Gastrointestinal and Bariatric Surgery, University Hospitals Sussex (St Richard's Hospital), Chichester, UK.
Introduction: Roux-en-Y gastric bypass (RYGB) reversal might be necessary to alleviate refractory surgical or nutritional complications, such as postprandial hypoglycemia, malnutrition, marginal ulceration, malabsorption, chronic diarrhea, nausea and vomiting, gastro-esophageal reflux disease, chronic pain, or excessive weight loss. The surgical technique of RYGB reversal is not standardized; potential strategies include the following: (1) gastro-gastrostomy: hand-sewn technique, linear stapler, circular stapler; (2) handling of the Roux limb: reconnection or resection (if remaining intestinal length ≥ 4 m).
Case Presentation: We demonstrate the surgical technique of a laparoscopic reversal of RYGB with hand-sewn gastro-gastrostomy and resection of the alimentary limb with the aim of improving the patient's quality of life.
Sci Rep
December 2024
Department of Cardiology, the Eighth Affiliated Hospital of Sun Yat-sen University, Shenzhen, 518033, China.
In this study, we aimed to assess the effects of enhanced external counterpulsation (EECP) and individual shear rate therapy (ISRT) on peripheral artery function in patients with lower extremity atherosclerotic disease (LEAD). We randomly assigned 45 LEAD patients to receive 35 sessions of 45 min of EECP (n = 15), ISRT (n = 15), or sham-control (n = 15). Flow-mediated dilation in the brachial artery (brachial-FMD); 6-min walk distance; blood flow in the popliteal, posterior tibial, anterior tibial, and dorsalis pedis arteries; and plasma levels were measured before and after the 7 weeks treatment.
View Article and Find Full Text PDFWorld Neurosurg
December 2024
College of Medicine, King Saud bin Abdulaziz University for Health Sciences, Riyadh, Saudi Arabia; King Abdullah International Medical Research Center, Ministry of National Guard, Riyadh, Saudi Arabia; Department of Pediatrics Neurosurgery, King Abdullah Specialist Children Hospital, Ministry of National Guard, Riyadh, Saudi Arabia.
Background: Sutural anatomy variation has long been a topic of debate among anatomists, paleontologists, and morphologists. While the exact reasons for the prevalence of this variance remains a topic of ongoing discussion, developmental and genetic factors are hypothesized to be the main reasons. Understanding the morphology and occurrence of normal sutural variations in pediatric patients is essential to making the right diagnosis, where a misinterpretation of a sutural bone may lead to an inaccurate assessment, completely misleading the diagnostic process.
View Article and Find Full Text PDFProg Neuropsychopharmacol Biol Psychiatry
December 2024
Department of Geriatric Psychiatry, Affiliated Nanjing Brain Hospital, Nanjing Medical University, Nanjing, Jiangsu, China. Electronic address:
Backgrounds: Aberrant brain structures in schizophrenia have been widely explored. However, the causal effects of negative symptoms on brain structural alterations are still unclear. This study aims to explore the synchronous and progressive alterations in gray matter volume (GMV) associated with negative symptoms.
View Article and Find Full Text PDFBrain Cogn
December 2024
Department of Neuroscience, University of Padova, Italy; Padova Neuroscience Center, University of Padova, Italy. Electronic address:
Mixed Transcortical Aphasia (MTA) is an infrequent aphasic syndrome, characterized by poor comprehension and production in oral language abilities and poor performance in written language abilities. However, individuals with MTA typically retain the ability to repeat. Our patient, a woman who suffered from a left hemisphere ischemic stroke involving perisylvian areas, presented with repetition preserved for words, non-words, sentences and numbers, together with marginally preserved reading abilities.
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