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The aim of the present study was to investigate in vivo cortical excitability in the human brain. We studied 45 consecutive patients with refractory epilepsy in whom subdural or intracerebral electrodes were implanted for assessment prior to epilepsy surgery. We compared cortical responses to single pulse stimulation (up to 8 mA, 1 ms duration) in areas(More)
We have used the single pulse electrical stimulation (SPES) technique to investigate whether more localized stimulation of the hippocampus can affect human episodic memory. A recognition memory test including words, object drawings, abstract drawings and unfamiliar faces was performed without stimulation (baseline) or synchronized with single 1 ms(More)
OBJECTIVES To study the variability, topography, polarity, duration, and incidence of interictal epileptiform discharges (EDs) in the scalp EEG and electrocorticogram (ECoG) from 16 patients with temporal lobe epilepsy who underwent surgical treatment. METHODS Preoperative scalp EEGs during quinalbarbitone induced sleep were compared with preresection(More)
OBJECTIVE To evaluate the in situ antibacterial activity of a mouthrinse with 0.2% Chlorhexidine (M-0.2% CHX) on undisturbed de novo plaque-like biofilm (PL-biofilm) and on salivary flora up to 7 hours after its application. METHODS A special acrylic appliance was designed, with 3 inserted glass disks on each buccal side, allowing for PL-biofilm growth.(More)
AIMS To identify factors related to advanced-stage diagnosis of oral cancer to disclose high-risk groups and facilitate early detection strategies. STUDY DESIGN An ambispective cohort study on 88 consecutive patients treated from January 1998 to December 2003. INCLUSION CRITERIA pathological diagnosis of OSCC (primary tumour) at any oral site and(More)
OBJECTIVES In this paper we propose a new Global Oral Health Scale that will allow the infectious potential of the oral cavity, clinically manifest as local and focal infections, to be condensed into a single parameter. STUDY DESIGN Based on a number of oral health scales previously designed by our group, we designed a final version that incorporates(More)
OBJECTIVES To review the existing techniques for minor salivary gland biopsy (MSGB) in the lip and to suggest a new approach to ease the procedure and reduce post-operative complications. STUDY DESIGN A comprehensive literature review and a descriptive study of a new surgical technique. RESULTS Diverse incisions have been suggested for MSGB with(More)
OBJECTIVES to describe a bench model (workshop of abilities) for sinus floor elevation (SFE) training that simulates the surgical environment and to assess its effectiveness in terms of trainees' perception. STUDY DESIGN thirty-six randomly selected postgraduate students entered this cross-sectional pilot study and asked to fill in an anonymous,(More)
BACKGROUND In the last decade, several observational studies have suggested that there exists an association between periodontal disease (PD) and Alzheimer's disease (AD). The aim of this systematic review was to investigate whether or not this link exists. SUMMARY The Preferred Reporting Items for Systematic Reviews and Meta-Analysis guideline for(More)
BACKGROUND In a variable proportion of maxillary sinuses alveolar antral artery is located close to the residual ridge, increasing the chances for haemorrhagic complications during sinus floor elevation procedures. MATERIAL AND METHODS Retrospective observational study of CBCT explorations performed for implant-treatment planning. The upper first molar(More)