Browsing Research Articles (Oral Pathology and Oral Biology) by Type "Article"

Browsing Research Articles (Oral Pathology and Oral Biology) by Type "Article"

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  • Clinicoradiologic features of ameloblastomas : a single-centre study of 155 cases 
    Smit, Chane; Robinson, Liam; Ker-Fox, Jason; Fonseca, Felipe Paiva; Van Heerden, Willem Francois Petrus; Uys, Andre (Wiley, 2024-02)
    BACKGROUND : The purpose of the current study was to report on the clinical presentation and radiologic features of 155 cases of ameloblastoma (AB), representing a detailed, large, single-centre radiologic study. METHODS ...
  • Clinicoradiological spectrum of primary aneurysmal bone cysts of the maxillofacial region : a series of 31 cases 
    Smit, Chane; Robinson, Liam; Tager, Elena Roman; Roza, Ana Luiza Oliveira Correa; Rocha, Andre Caroli; Santos-Silva, Alan Roger; Vargas, Pablo Agustin; Romanach, Mario Jose; Fonseca, Felipe Paiva; Carlos, Roman; Van Heerden, Willem Francois Petrus (British Institute of Radiology, 2022-07)
    OBJECTIVES : The aim of the current study was to analyse the demographic, clinical and radiological features of primary aneurysmal bone cysts (ABCs) involving the maxillofacial region. METHODS : Histologically confirmed ...
  • Complications of head and neck radiotherapy : a dental perspective 
    Buchanan, Glynn Dale; Gamieldien, Mohamed Yasin; Tredoux, Sheree; Uys, Andre; Swanepoel, Nicolaas Jacobus (Institute of Oncology Sremska Kamenica, 2019-05-17)
    For the treatment of head and neck cancers radiotherapy is frequently and successfully performed by medical specialists. However, a number of complications may occur following such therapy. Many of these complications are ...
  • A cone-beam computed tomography study of canalis sinuosus and its accessory canals in a South African population 
    Beckenstrater, Michael A.; Gamieldien, Mohamed Yasin; Smit, Chane; Buchanan, Glynn Dale (Springer, 2024)
    OBJECTIVES : Canalis sinuosus (CS) is a clinically relevant structure in the anterior maxilla. The present study aimed to determine the prevalence and distribution of CS and its accessory canals (ACs) in the South African ...
  • Correlation between DNA ploidy by flow cytometry and chromosome 3 aberration in oral squamous cell carcinoma 
    Hemmer, J.; Kraft, K.; Van Heerden, Willem Francois Petrus (Spandidos Publications, 2006-01)
    Although flow cytometric DNA ploidy has turned out as a significant predictor of survival in oral squamous cell carcinoma, little is known about the underlying karyotypic structure of gross aneuploidy. We therefore analysed ...
  • Correlation between p53 gene mutation, p53 protein labeling and PCNA expression in oral squamous cell carcinomas 
    Van Heerden, Willem Francois Petrus; Janse van Rensburg, Estrelita; Hemmer, J.; Raubenheimer, E.J.; Engelbrecht, Susan (International Institute of Anticancer Research, 1998-01)
    The prevalence of oral squamous cell carcinoma (OSCC) among the black community in South Africa is unacceptably high. The association between p53 protein, and PCNA overexpression and the presence of p53 gene mutations was ...
  • Dental images - their use and abuse 
    Sykes, Leanne M.; Uys, Andre; Bradfield, Charles F.; Van Reede van Oudtshoorn, Nicolaas W. (South African Dental Association, 2020-11)
    Patients’ exposure to medical and dental radiographic examination has increased over the years,1 with dental X-ray procedures now accounting for almost one-third of all radiographic examinations.2 Although they ...
  • Dental students’ self-perceived competency and usage of the internet for learning and evaluation purposes - Part 2 
    Sykes, Leanne M.; Postma, Thomas Corne; Uys, Andre; Brandt, Paul Dieter; Crafford, Elmine (South African Dental Association, 2020-08)
    Many dental lecturers are moving away from providing hand-out notes to their students and are rather opting for posting lecture material and tutorials on the internet using the various university platforms such as ...
  • The dentist and oral health 
    Van Heerden, Willem Francois Petrus (South African Dental Association, 2012-11)
    No abstract available
  • Dentists and dental technicians - a united team or uncomfortable alliance? 
    Sykes, Leanne M.; Bernitz, Herman; Becker, L.H.; Bradfield, Charles F. (South African Dental Association, 2021-03)
    The effective practising of dentistry requires that dentists and dental technicians work hand in hand, having mutual respect for each other, while maintaining the highest standards in each of their respective disciplines. ...
  • Detection of EBV DNA in oral squamous cell carcinomas in a black African population sample 
    Janse van Rensburg, Estrelita; Engelbrecht, Susan; Van Heerden, Willem Francois Petrus; Raubenheimer, E.J.; Schoub, Barry D. (International Institute of Anticancer Research, 1995-05)
    The purpose of this study was to determine the presence of Epstein-Barr virus (EBV) DNA in oral squamous cell carcinoma (OSCC) patients from a black African population. Formalin fixed paraffin embedded blocks of OSCC of ...
  • Diagnosis and management of common non-viral oral ulcerations 
    Van Heerden, Willem Francois Petrus; Boy, Sonja Catharina (Medpharm Publishers, 2007-09)
    Oral ulcerations are common lesions encountered in private practice. Oral ulcers can have a localised aetiology or be a manifestation of a variety of systemic conditions or disorders. Appropriate management depends on the ...
  • Diagnosis and management of common non-viral oral ulcerations 
    Van Heerden, Willem Francois Petrus; Boy, Sonja Catharina (Medpharm Publications, 2007-11)
    Oral ulcerations are common. Oral ulcers can have a localised aetiology or be a manifestation of a variety of systemic conditions or disorders. Appropriate management depends on the correct diagnosis which can at times be ...
  • Diagnosis and management of oral lesions and conditions in the newborn 
    Van Heerden, Willem Francois Petrus; Van Zyl, Andre W. (South African Academy of Family Practice, 2010-03)
    Infants frequently present with oral lesions and conditions that may lead to anxiety among parents. The most common lesions and conditions include natal and neonatal teeth, the different oral mucosal cysts of the newborn, ...
  • Different methods of cell quantification can lead to different results : a comparison of digital methods using a pilot study of dendritic cells in HIV-positive patients 
    Fernandes, Diego Tetzner; Van Heerden, Willem Francois Petrus; Prado Ribeiro, Ana Carolina; Brandao, Thais Bianca; De Mello, Evandro Sobroza; Rivera, Cesar; Van Heerden, Marlene B.; Gondak, Rogerio; Santos- Silva, Alan Roger; Vargas, Pablo Agustin; Lopes, Marcio Ajudarte (Medicina Oral S.L., 2020-05)
    BACKGROUND : Although new digital pathology tools have improved the positive cell quantification, there is a heterogeneity of the quantification methods in the literature. The aim of this study was to evaluate and propose ...
  • Diffuse gingival enlargement with stromal calcifications occurring in a background of amelogenesis imperfecta - an oral medicine case book 
    Heyl, E.; Robinson, Liam; Kotze, Leande; Van Heerden, Willem Francois Petrus (South African Dental Association, 2020-09)
    A 12-year-old female patient presented with diffusely enlarged fibrous gingivae, enamel hypoplasia, an anterior open bite and impacted permanent maxillary canines. The patient's mother reported that the child had an ...
  • The ‘digital access divide’ at a South African dental school – a cross-sectional study - Part 1 
    Postma, Thomas Corne; Sykes, Leanne M.; Uys, Andre; Brandt, Paul Dieter; Crafford, Elmine (South African Dental Association, 2020-08)
    This study sought to investigate the digital divide, from an access perspective, of dental students at the University of Pretoria. Second to final year students (n= 218 (87.2% response rate) completed a custom-designed survey ...
  • Distribution and frequency of salivary gland tumours : an international multicenter study 
    Alsanie, Ibrahim; Rajab, Shahad; Cottom, Hannah; Adegun, Oluyori; Agarwal, Reshma; Jay, Amrita; Graham, Laura; James, Jacqueline; Barrett, A. William; Van Heerden, W.F.P. (Willem Francois Petrus); De Vito, Mariano; Canesso, Alessandra; Adisa, Akinyele Olumuyiwa; Akinshipo, Abdul-Warith Olaitan; Ajayi, Oluseyi Folake; Nwoga, Mark Chukwuemeka; Okwuosa, Chukwubuzor Udokwu; Omitola, Olufemi Gbenga; Orikpete, Efetobo Victor; Soluk-Tekkesin, Merva; Bello, Ibrahim O.; Qannam, Ahmed; Gonzalez, Wilfredo; Perez-de-Oliveira, Maria Eduarda; Santos-Silva, Alan Roger; Vargas, Pablo Agustin; Toh, Eu-Wing; Khurram, Syed Ali (Springer, 2022-12)
    BACKGROUND : Salivary gland tumours (SGT) are a relatively rare group of neoplasms with a wide range of histopathological appearance and clinical features. To date, most of the epidemiological studies on salivary gland ...
  • Distribution of dendritic cells in AIDS-associated oral Kaposi’s sarcoma 
    De Caceres, Cinthia Veronica Bardalez Lopez; Vargas, Pablo Agustin; Sanchez-Romero, Celeste; Bunn, Belinda Kathleen; Van Heerden, Willem Francois Petrus; Fonseca, Felipe Paiva (Fundação Odontológica de Ribeirão Preto, 2019)
    The aim of this study was to determine if the distribution of Langerhans cells (LC) and interstitial dendritic cells (IDC) is altered in AIDS-associated oral Kaposi’s sarcoma when compared to HIV-negative highly vascular ...
  • Double gemination or fusion of a permanent mandibular second molar : a case report 
    Buchanan, Glynn Dale; Tredoux, Sheree; Schouwstra, Ciska-Mari; Nel, Chane; Gamieldien, Mohamed Yasin (Quintessence Publishing Company, 2021)
    Gemination and fusion are developmental conditions affecting the shape of teeth in both primary and permanent dentition. A 12-year-old girl presented for clinical assessment and the examination revealed an unusually shaped ...