Pil-Young Yun

Learn More
Oral squamous cell carcinoma (OSCC) is one of the most common head and neck cancers. OSCC generally has a poor prognosis due to its tendency towards local invasion and subsequent metastasis, which is mediated by multiple proteolytic enzymes and angiogenesis. The purpose of this study was to evaluate the anti-cancer effects of genistein, a soybean product(More)
OBJECTIVES The goal of this study was to estimate the overall satisfaction level of dental implant patients and further evaluate factors influencing satisfaction. MATERIALS AND METHODS Self-administered questionnaires were mailed to patients who received dental implant therapy at Seoul National University Bundang Hospital (Seongnam, Korea) from October(More)
OBJECTIVES The purpose of this study was to evaluate the responses of peri-implant tissue in the presence of keratinized mucosa. STUDY DESIGN A total of 276 implants were placed in 100 patients. From the time of implant placement, the average follow-up observation period was 13 months. The width of keratinized mucosa was compared and evaluated through the(More)
OBJECTIVE To determine the predictors affecting treatment outcome after application of the mandibular advancement device (MAD). DESIGN Retrospective analysis. SETTING Tertiary care university hospital. PATIENTS A total of 76 patients (68 men and 8 women) who were treated with the MAD for obstructive sleep apnea (OSA) were included from September 2005(More)
BACKGROUND The aim of this study was to evaluate of the patterns of post-surgical relapse after mandibular setback surgery with minimal orthodontic preparation (MS-MO). MATERIALS AND METHODS The subjects consisted of 15 patients with minimal pre-surgical orthodontic preparation (1.37 ± 1.69 months). Lateral cephalograms were taken in pre-surgical (T0),(More)
PURPOSE The purpose of this study was to investigate the nonspecific physical and psychological symptoms in patients who suffered from temporomandibular joint disorder (TMD) using the Research Diagnosis Criteria (Axis II) for TMD diagnosis (RDC/TMD). STUDY DESIGN A total of 317 patients were included (M: 75, F: 242). The signs and symptoms of physical,(More)
OBJECTIVE To analyze the mechanical effects of the length and the various shapes such as cylindrical shape, taper shape, and dual-thread shape on the insertion and removal torque of mini-implants. MATERIALS AND METHODS Mini-implants (diameter 1.6 mm and length 6 mm and 8 mm) consisting of cylindrical, taper, and dual-thread groups were inserted and(More)
PURPOSE The purpose of these two pilot studies using animal bony defect models was to evaluate the influence of bone morphogenetic protein (BMP) and proportion of hydroxyapatite (HA)/beta-tricalcium phosphate (β-TCP) in biphasic calcium phosphate (BCP) graft on new bone formation. METHODS In this study, four kinds of synthetic osteoconductive bone(More)
BACKGROUND This study evaluated Somatosensory evoked potentials (SEP), Quantitative sensory testing (QST), and thermography as diagnostic methods for nerve injury. METHODS From 2006 through 2011, 17 patients (mean age: 50.1 years) from OOOO Hospital who sought care for altered sensation after dental implant treatment were identified. The mean time of(More)
The aim of this study is to evaluate the changes of sleep quality in patients using a mandibular advancement device (MAD) for obstructive sleep apnea (OSA) based upon cardiopulmonary coupling (CPC). A total of 52 patients (mean age 53.7 ± 9.6 years, range 33–74 years) were included in this study. Of them, there were 47 males (90.4 %). All subjects were(More)