Browsing Research Articles (Oral Pathology and Oral Biology) by Title

Browsing Research Articles (Oral Pathology and Oral Biology) by Title

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  • Ghost cell odontogenic carcinoma arising in the background of a calcifying odontogenic cyst 
    Nel, Chane; Robinson, Liam; Van Heerden, Willem Francois Petrus (Springer, 2021-07)
    Ghost cell odontogenic carcinoma (GCOC) is a rare malignant neoplasm, representing 3% of all ghost cell lesions of the jaws. They can arise de novo or from a pre-existing calcifying odontogenic cyst (COC) or dentinogenic ...
  • Giant cell lichenoid stomatitis - an oral medicine case book 
    Robinson, Liam; Kotze, Leande; Van Heerden, Willem Francois Petrus (South African Dental Association, 2020-11)
    A 53-year-old female patient presented with a two-week history of intermittently painful oral mucosal lesions when eating spicy, salty or sour foods. The patient reported a long-term history of psoriasis treated by ...
  • Gingival recession and localized aggressive periodontitis among HIV-infected children and adolescents receiving antiretroviral therapy 
    Blignaut, Elaine; Rossouw, Theresa M.; Becker, Piet J.; Mavuso, Diana S.; Feucht, Ute Dagmar (Lippincott Williams and Wilkins, 2019-06)
    BACKGROUND : Limited information is available on gingival recession or localized aggressive periodontitis among HIV-infected children and adolescents. This study reports on the prevalence of these conditions among children ...
  • Granulomatosis with polyangiitis - an oral medicine case book 
    Snyman, I.; Robinson, Liam; Van Zyl, A.W.; Van Heerden, Willem Francois Petrus (South African Dental Association, 2020-10)
    A 33-year-old female patient presented at a private specialist practice (Periodontics and Oral Medicine) with a main complaint of sore and bleeding gums, fever, headaches and sinus pain. The gingiva became irritated, ...
  • Hepatitis B and Hepatitis C viruses- revisited 
    Kungoane, Tsholofelo (South African Dental Association, 2018-03)
    Dental health care personnel are at increased risk of acquiring blood-borne infections including hepatitis B virus (HBV), hepatitis C virus (HCV) and human immunodeficiency virus (HIV). Infection is acquired through ...
  • Heterozygosity of p16 expression in an oral squamous cell carcinoma with associated loss of heterozygosity and copy number alterations 
    Ambele, Melvin Anyasi; Pepper, Michael Sean; Van Heerden, Marlene B.; Van Heerden, Willem Francois Petrus (Wiley, 2019-05)
    BACKGROUND : Oral field cancerization describes a multifocal development process involving many cells at once in response to prolong exposure to carcinogens. This case demonstrated differential p16 expression in different ...
  • The histology and growth rate of Nile crocodile (Crocodylus niloticus) claws 
    Myburgh, Albert; Myburgh, Jan G.; Steyl, Johan; Downs, Colleen T.; Botha, Hannes; Robinson, Liam; Woodborne, Stephan (Wiley, 2023-10)
    The histology and growth of reptilian and crocodilian claws (ungues) have been extensively studied; however, Nile crocodile (Crocodylus niloticus) claws have not received adequate attention. Furthermore, age estimations ...
  • HIV/AIDS associated malignancies of the head and neck 
    Bunn, Belinda Kathleen; Van Heerden, Willem Francois Petrus (South African Dental Association, 2012-11)
    Patients with HIV/AIDS are at increased risk for the development of malignancy. Kaposi’s sarcoma, non-Hodgkin’s lymphoma and cervical carcinoma in women are regarded as AIDS-defining malignancies. The spectrum of ...
  • HPV detection in primary intra-oral squamous cell carcinomas – commensal, aetiological agent or contamination? 
    Boy, Sonja Catharina; Janse van Rensburg, Estrelita; Engelbrecht, Susan; Dreyer, Leonora; Van Heerden, Marlene B.; Van Heerden, Willem Francois Petrus (Blackwell, 2006-02)
    Background: High-risk human papilloma viruses (HPV) are reported to be significant independent risk factors for oral squamous cell carcinoma (OSCC). The prevalence of HPV in OSCC in a South African population sample was ...
  • Human papilloma virus types in the oral and cervical mucosa of HIV-positive South African women prior to antiretroviral therapy 
    Richter, Karin Louise; Janse van Rensburg, Estrelita; Van Heerden, Willem Francois Petrus; Boy, Sonja Catharina (Wiley-Blackwell, 2008)
    BACKGROUND: To evaluate the prevalence of human papilloma virus (HPV) infection and types in the oral and cervix mucosa of treatment-naïve HIV-1-positive women with CD4 counts less than 300 cells per ml with no HPV-associated ...
  • Human papillomavirus (HPV) can establish productive infection in dysplastic oral mucosa, but HPV status is poorly predicted by histological features and p16 expression 
    Hendawi, Naeima; Niklander, Sven; Allsobrook, Olive; Khurram, Syed Ali; Bolt, Robert; Doorbar, John; Speight, Paul M.; Hunter, K.D. (Keith) (Wiley, 2020-03)
    AIMS : Previous studies have reported the presence of high‐risk human papillomavirus (HR‐HPV) in a subset of dysplastic oral epithelial lesions. Many cases show a histological spectrum of atypia similar to that seen in ...
  • Human papillomavirus and carcinoma of the mucosal surfaces of the head and neck 
    Raubenheimer, E.J. (Erich); Slavik, Tomas; Lemmer, Lou; Olivier, Henno; Van Heerden, Willem Francois Petrus; Miniggio, Hilde (Elsevier, 2018-01)
    Human papillomavirus induced cervical cancer is the fourth most prevalent malignancy affecting females globally. Over the past two decades scientific information unveiled an increasing role for the virus in the pathogenesis ...
  • Human papillomavirus infection of the oral cavity : what the dentist should know 
    Van Heerden, Willem Francois Petrus; Raubenheimer, E.J. (Erich); Bunn, Belinda Kathleen (South African Dental Association, 2017-03)
    The incidence of human papilloma virus-induced oropharyngeal carcinoma is steadily rising globally and the observation has become widely publicised in recent times. Human papilloma virus (HPV) is therefore an ...
  • Immunoexpression of HOXB7 and HOXB9 in salivary gland tumours 
    Fonseca, Felipe Paiva; Bingle, Lynne; Santos-Silva, Alan Roger; Lopes, Márcio Ajudarte; Coletta, Ricardo D.; De Andrade, Bruno Augusto Benevenuto; Mariano, Fernanda Viviane; Kowalski, Luiz Paulo; Rangel, Ana Lúcia Carrinho Ayroza; Martins, Manoela Domingues; Meurer, Luise; Hunter, K.D. (Keith); Speight, Paul M.; Vargas, Pablo Agustin (Wiley, 2016-10)
    BACKGROUND : Salivary gland carcinomas are uncommon neoplasms and the identification of new prognostic indicators could improve their management. HOXB7 and HOXB9 are members of the class I homeobox-containing genes important ...
  • Immunohistochemical expression of CD56 in dog (Canis familiaris) odontogenesis 
    Nel, Sulette; Van Heerden, Marlene B.; Van Heerden, Willem Francois Petrus (Elsevier, 2015-10)
    AIM : To investigate the expression of CD56 in dog odontogenesis in order to elucidate the expression found in ameloblastomas. MATERIALS AND METHODS : Immunohistochemical analysis of CD56 expression of developing dog ...
  • Immunohistochemical profile of odontogenic epithelium in developing dog teeth (Canis familiaris) 
    Nel, Sulette; Van Heerden, Marlene B.; Steenkamp, Gerhardus; Van Heerden, Willem Francois Petrus; Boy, Sonja Catharina (SAGE, 2011-01)
    Tumours of the jaw bones and oral soft tissue are relatively common lesions in dogs. The aim of this study was to find cell markers to differentiate odontogenic epithelium from non-odontogenic epithelium for future ...
  • Implant failure due to titanium hypersensitivity/allergy? - report of a case 
    Du Preez, L.A.; Butow, Kurt-Wilhelm; Swart, Theuns J.P. (South African Dental Association, 2007-02)
    Six titanium implants were placed in the mandible between the left and right mental foramen of a 49-year old female patient. The implants were all constructed of the same grade IV titanium. Three types of implants were ...
  • An integrated technique for the analysis of skin bite marks 
    Bernitz, Herman; Owen, J.H.; Van Heerden, Willem Francois Petrus; Solheim, Tore (Wiley-Blackwell, 2008-01)
    The high number of murder, rape, and child abuse cases in South Africa has led to increased numbers of bite mark cases being heard in high courts. Objective analysis to match perpetrators to bite marks at crime scenes must ...
  • Internal carotid artery calcifications in a South African population : a CBCT imaging study 
    Uys, Andre; Mavuso, Diana S. (Wiley, 2022-11)
    BACKGROUND : Stroke is the second leading cause of death globally and account for 25,000 deaths annually in South Africa. Both medial and intimal located intracranial internal carotid artery (iICA) calcifications are ...
  • An international survey of speciality training in oral and maxillofacial pathology 
    Hunter, K.D. (Keith); Speight, Paul; Wright, John M.; Van Heerden, Willem Francois Petrus; Rich, Alison; Franklin, Christopher (Wiley-Blackwell, 2014-03)
    BACKGROUND: Speciality training in oral and maxillofacial pathology (OMFP) across the world would be aided by guidance on a generic curriculum and training programme that all countries could use as a template. In order ...