Search results for " cohort study"
showing 10 items of 3126 documents
Gonial angle growth patterns according to age and gender
2017
Currently there are controversial results about gender and age differences in human gonial angle values. In this context we aimed to ascertain the gender and age differences in the gonial angle values of young Caucasian Mediterranean subjects. We tested the hypothesis of a relation between the gonial angle values and the gender and age of the subjects by means of a prospective study involving 266 subjects. Panoramic radiographs (Cranex Novus®, XMIND Novus® Soredex, France) were carried out in order to measure the gonial angle values. We found significant differences between females and males in the subgroups aged ≤10years old (128.6±3.4 vs 126.8±4.5, p=0.017), 16-20 years old (119.1±5.6 vs …
When should preemptive antiviral therapy for active CMV infection be withdrawn from allogeneic stem cell transplant recipients?
2017
When should preemptive antiviral therapy for active CMV infection be withdrawn from allogeneic stem cell transplant recipients?
Dental anomalies inside the cleft region in individuals with nonsyndromic cleft lip with or without cleft palate
2015
Background Individuals with non syndromic cleft lip with or without cleft palate (NSCL±P) present high frequency of dental anomalies, which may represent complicating factors for dental treatment. The aim of this study was to investigate the prevalence of dental anomalies inside cleft area in a group of Brazilians with NSCL±P. Material and Methods Retrospective analysis of 178 panoramic radiographs of patients aged from 12 to 45 years old and without history of tooth extraction or orthodontic treatment was performed. Association between cleft type and the prevalence of dental anomalies was assessed by chi-square test with a significance level set at p≤ 0.05. Results Dental anomalies were fo…
A survey of pathology specimens associated with impacted teeth over a 21-year period
2019
Background To compare the histologic diagnosis of lesions associated with impacted teeth from a South African population with literature data. Material and Methods A retrospective cross-sectional survey of tissue specimens associated with impacted teeth that were analyzed in the Department of Oral Pathology (University of the Witwatersrand, South Africa) between 1996 and 2016. Patient age, gender, impacted tooth location and the histologic diagnosis were recorded for statistical analysis. Results Odontogenic pathology was diagnosed in 389 (95.6%) specimens while dental follicle comprised 4.4% of tissue submissions. The mean age was 25.3 ±15.2 years with a male predilection (M:F=1.8:1). The …
Clinical profile of orofacial infections: an experience from two primary care dental practices
2012
Objectives: Orofacial infections are common reasons for dental consultations worldwide. However, there is scarcity of data on clinico-epidemiological profiles reported from primary care dental practices. To address this issue, a study was done to characterize the clinical pattern, age groups affected and sex predilection of orofacial infections in the primary care dental practice. Study design: Clinical data was evaluated from random electronic files of patients for whom antimicrobials were prescribed at two Dental Practices in UK between January 2009 and December 2010. Results: 200 case records were studied. 104 (52%) cases were females. Mean age was 37.2 (+/-15.1) years. 107 (53.5%) cases…
Retrospective study of a series of 850 patients with temporomandibular dysfunction (TMD). Clinical and radiological findings
2009
Objective: To define the clinical and radiological characteristics of the four most common presentations of temporomandibular dysfunction-myofascial pain (MFP), disc displacement with reduction (DDWR), disc displacement without reduction (DDWoR), and osteoarthrosis (OR)-and to identify the differences among them. Material and methods: The study comprised a series of 850 patients (121 males and 729 females) seen between May 2003 and December 2006 in Valencia University General Hospital (Spain) for temporomandibular joint disease (TMJD). An analysis was made of the possible etiological factors (stress, traumatisms, sleep disturbances, parafunctional habits, reason for consultation), possible …
Etiology, distribution, treatment modalities and complications of maxillofacial fractures
2013
Purpose: This study evaluated the trends and factors associated with maxillofacial fractures treated from 1997 to 2007 in the Oral and Maxillofacial Surgery Department of the Clermont-Ferrand University Hospital. Material and Methods: This study included 364 patients of which 82% were men and 45%, 20-29-years old. The etiology, anatomical distribution, treatment modality and complications of maxillofacial fractures were examined. Results: Overall, interpersonal violence, traffic accidents and falls were the most common mechanisms of injury. There was a decreasing trend in traffic accidents and increasing one in falls as a cause of fracture over the 11-years period of this study. Young male …
Retrospective clinicopathological study of 418 odontogenic cysts
2010
Objectives: To determine the relative incidence of odontogenic cysts and to identify the main clinicopathological features among patients treated in the Oral Surgery Department of the Dental Clinic of the University of Barcelona (Spain). Study design: A retrospective observational study was made of 418 odontogenic cysts diagnosed in 380 patients included in the database of 1235 histopathological diagnoses. The subjects were treated in the Master degree program of Oral Surgery and Implantology of the University of Barcelona in the period 1997-2006. The following variables were recorded: gender, age, clinical characteristics of the lesions (size and location), radiological features, duration,…
Pharmacokinetic Interactions of Clozapine With Selective Serotonin Reuptake Inhibitors
1998
Pharmacokinetic interactions of clozapine and its metabolites N-desmethylclozapine and clozapine N-oxide with the selective serotonin reuptake inhibitors (SSRIs) fluvoxamine and paroxetine were investigated in a prospective study in schizophrenic patients under steady-state conditions. Thirty patients were treated with clozapine at a target dose of 2.5 to 3.0 mg/kg of body weight. After gradual dose escalation, serum concentrations of clozapine and two metabolites were determined twice at 7-day intervals after steady-state conditions had been reached. Then, fluvoxamine (50 mg/day) or paroxetine (20 mg/day) was added in 16 and 14 patients, respectively. Serum concentrations of clozapine and …
Prospective study of the 532 nm laser (KTP) versus diode laser 980 nm in the resection of hyperplastic lesions of the oral cavity
2018
Background The aim of this study is to evaluate the resection of hyperplastic lesions on the buccal mucosa comparing the 532nm laser (KTP), versus diode 980nm laser, considering pain, scarring, inflammation and drug consumption that occurred postoperatively with each lasers. Material and Methods A prospective study of consecutive series of 20 patients in two groups that presents hyperplastic lesions on the buccal mucosa. The choice of the KTP laser or diode 980nm laser for the surgery was made randomly. The power used was 1.5W in both groups in a continuous wave mode with a 320 μm optical fiber. Parameters of pain, scarring, inflammation and consumption of drugs were recorded by a Numerical…