Publications by authors named "Lozada-Nur F"

Background: The oral mucosa in patients with epidermolysis bullosa (EB) can be affected with different lesions and degrees of severity. However, patterns of oral lesions in distinct types of EB are still unclear.

Objectives: The purpose of this study was to determine the frequency and distribution of four types of lesions (erythema, erosion, atrophy, and blister) for each oral site and to calculate the interobserver reliability for each type of lesion in each site.

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Background: Epidermolysis bullosa (EB) is a genetic mucocutaneous disorder characterized by blister formation upon mild trauma. All 4 EB types may show oropharyngeal lesions involving either hard or soft tissues. Currently, there are very few data on EB scoring that include the oropharyngeal cavity.

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Background: Curcuminoids are components of turmeric (Curcuma longa) that possess anti-inflammatory properties.

Objective: We sought to study the efficacy of curcuminoids in controlling the signs and symptoms of oral lichen planus, at doses of 6000 mg/d (3 divided doses), and their safety at this dose.

Methods: Twenty consecutive, eligible patients who consented were enrolled into this randomized, double-blind, placebo-controlled clinical trial in 2007 through 2008.

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Objective: The aim of this study was to validate the visual analog scale (VAS), numeric rating scale (NRS), and change in symptoms scale (CSS) in measuring symptoms of oral lichen planus, and the modified oral mucositis index (MOMI) in measuring the signs of oral lichen planus.

Study Design: Criterion validity, construct validity, and internal consistency reliability were evaluated using data from a randomized, double blind, placebo-controlled clinical trial of curcuminoids in oral lichen planus.

Results: Moderate to high correlations were found between VAS, NRS, and CSS.

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We studied the efficacy of curcuminoids in the treatment of oral lichen planus (OLP), a chronic, mucocutaneous, immunological disease. Curcuminoids are components of turmeric (Curcuma longa) that have anti-inflammatory activity. Turmeric has been used in Ayurveda (Indian traditional medicine) for centuries.

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Article Synopsis
  • - Several therapeutic options for oral lichen planus (OLP) have been researched, including corticosteroids, retinoids, cyclosporine, and phototherapy, with topical corticosteroids proving particularly effective for symptomatic cases.
  • - Systemic corticosteroids are recommended only for severe or widespread OLP and other mucocutaneous involvement, while regular follow-ups are advised due to debates about OLP's potential premalignant nature.
  • - There are various oral lichenoid lesions that can complicate diagnosis, including contact lesions, drug reactions, and graft-versus-host disease lesions, which may require localized treatment with corticosteroids.
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Objectives: The aim of our study was to evaluate the clinical efficacy and safety profile of a novel compound, Tacrolimus powder in Orabase 0.1% in patients with LP and LL.

Study Design: Seven patients with LP and 3 with LL were asked to participate.

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This article reviews some of the more common benign oral soft tissue masses with emphasis on their etiology, epidemiology, clinical presentation, histopathology, and treatment. These lesions include traumatic fibroma, mucocele, warts/papilloma, pyogenic granuloma, peripheral giant cell granuloma, generalized gingival hyperplasia, gingival fibromatosis, lateral periodontal cyst, lipoma, and denture-induced hyperplasia.

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Hepatitis C virus and lichen planus: a review.

Oral Surg Oral Med Oral Pathol Oral Radiol Endod

August 2004

Introduction: The relationship between hepatitis C virus (HCV) infection and oral lichen planus (OLP) remains a matter of controversy. It is important to determine whether there is an association between OLP and HCV infection so that guidelines regarding the routine HCV testing of patients with OLP can be developed for clinicians.

Objectives: The objective of this article was to review and summarize the published literature on the association between OLP and HCV and to describe future directions.

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Background: Recurrent aphthous stomatitis, or RAS, is a common oral disorder of uncertain etiopathogenesis for which symptomatic therapy only is available. This article reviews the current data on the etiopathogenesis, diagnosis and management of RAS in a primary care setting.

Methods: The authors reviewed publications on Medline from 1995 through 2000, the period since the last major reviews were published.

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In this double-blind, randomized trial, we compared the clinical efficacy of intralesional vinblastine (VNB) and 3% sodium tetradecyl sulfate (STS) in the treatment of oral Kaposi's sarcoma (OKS). Subjects with OKS were randomly assigned to receive a single intralesional injection of either VNB or STS, at a standard dose (0.2 mg/cm(2)).

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Objective: We aimed to develop consensus-based recommendations for streamlining medical communication among various health care professionals, to improve accuracy of diagnosis and treatment, and to facilitate future investigations for mucous membrane pemphigoid.

Participants: Because of the highly specific nature of this group of diseases, the 26 invited participants included either international scholars in the field of mucous membrane pemphigoid or experts in cutaneous pharmacology representing the 3 medical disciplines ophthalmology, oral medicine, and dermatology.

Evidence: The first author (L.

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Four human immunodeficiency virus-positive homosexual men with 2- to 4.5-year histories of recurrent oral warts that had failed to respond to conventional surgical and other treatment modalities were offered treatment with interferon-alpha. All had multiple or large oral warts, 3 had skin warts, 2 had a history of anal warts, and 1 had penile lesions.

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Background: Oral lichen planus, or OLP, is a common mucocutaneous immunological disease. The objective of this study was to describe the patient profile, disease progression and treatment responses.

Methods: The authors conducted a retrospective, descriptive study using information from patient records at a tertiary referral center.

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Leukocyte adhesion deficiency is a rare inherited defect of phagocytic function resulting from a lack of leukocyte cell surface expression of beta2 integrin molecules (CD11 and CD18) that are essential for leukocyte adhesion to endothelial cells and chemotaxis. A small number of patients with leukocyte adhesion deficiency-1 have a milder defect, with residual expression of CD18. These patients tend to survive beyond infancy; they manifest progressive severe periodontitis, alveolar bone loss, periodontal pocket formation, and partial or total premature loss of the primary and permanent dentitions.

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The treatment of oral lichen planus (OLP) remains a real challenge for clinicians who deal with this patient population and thus with diagnosis of this disease. Most treatment failures are attributable to improper diagnosis. Therefore, before a patient is started on therapy, a biopsy must be done and the diagnosis established.

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Oral lichen planus (OLP) is a chronic inflammatory disease, the cause of which remains unknown. In the last few years, significant advances have been made in understanding the mechanisms involved in the pathogenesis of the disease. Data on HLA markers for OLP vary depending on the population studied.

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Twelve cases of oral pemphigus vulgaris are described to illustrate the long-term behavior of the disease and the treatment challenges it presents to the oral medicine practitioner. In addition, we review the literature on oral pemphigus vulgaris with respect to clinical history, signs and symptoms, management, and treatment outcome. Pemphigus vulgaris is a chronic vesiculobullous disease with a potentially fatal outcome.

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A workshop to discuss primary oral melanomas was convened at the annual Western Society of Teachers of Oral Pathology meeting in Bannf, Alberta, Canada. Fifty oral melanomas, identified from the files of the participants, were reviewed in order to better understand the clinical features, histologic spectrum, and natural history of these perplexing lesions. Results confirmed that oral melanomas occur in adults almost three times more frequently in men than women and have a decided predilection for the palate and gingiva.

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A total of 167 human immunodeficiency virus (HIV)-infected patients with oropharyngeal candidiasis were randomly assigned to receive 14 days of therapy with liquid suspension fluconazole (100 mg once daily) or liquid nystatin (500,000 U four times daily). At day 14, 87% of the fluconazole-treated patients were clinically cured, as opposed to 52% in the nystatin-treated group (P < .001).

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Hypothesizing that loss of basal cells in oral lichen planus is due to apoptosis, we evaluated LP specimens for apoptosis-regulating proteins [positive regulators Bcl-xS, Bax, Fas/Fas-ligand, p53, and negative regulators (anti-apoptotic) Bcl-2, Bcl-xL and compared results with reactions in normal mucosa and chronically inflamed gingiva. Also, sections were evaluated with an in situ TUNEL assay that identifies apoptotic DNA fragments. Basal keratinocytes in normal buccal mucosa, nonspecific gingivitis, and LP were negative for Bcl-2 protein, but melanocytes and lymphoid cells were positive.

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Apoptosis in oral erythema multiforme.

Oral Surg Oral Med Oral Pathol Oral Radiol Endod

February 1997

Objective: Cell death was evaluated in oral erythema multiforme to test the hypothesis that apoptosis may be a mechanism by which keratinocytes die in this condition.

Study Design: Ten erythema multiforme and five control oral mucosa biopsy specimens were evaluated in immunohistochemically stained sections for apoptosis-regulating proteins Bcl-2, Bcl-x, Bax, p53, Fas, and Fas-ligand. Apoptotic keratinocytes, determined by a detection method for DNA fragmentation (TUNEL) and by conventional morphologic criteria were counted per high power field.

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