THE SOUTH AFRICAN DENTAL JOURNAL Size: 80 mm x 238 mm, Pages: 1 Colors : C M Y K (4 Colors) SADJ Cutterguide : No Printing Process : Off set GD : SB32430 Native File :Adobe Indwsign CS6 Windows Generated in : Acrobat Distiller 10.0 SEPTEMBER 2020 ISSN No. 2519-0105 – Online Edition THE SOUTH AFRICAN Volume 75 Number 8 ISSN No. 1029-4864 – Print Edition DENTAL ASSOCIATION Johannes Frederick van Reenen - a doyen of the profession SENSITIVITY & GUM new With clinically proven Dual relief Johannes Frederick van Reenen - a doyen of the profession Johannes Frederick (“Frikkie”) van Reenen (20/04/1926 to 8/9/2007) …. a doyen of the No.1 DENTIST profession who by exemplary example contributed to the advance of Dental Education RECOMMENDED BRAND in South Africa. FOR SENSITIVE TEETH* *GFK New expert performance tracking 2018. For any product safety issues, please contact GSK on +27 11 745 6001 or 0800 118 274. Trademarks are own or licensed by the GSK group of companies. 2019_SA_Sensodyne_Advert_GSKCH_209_D1.indd 1 4/29/2019 3:53:45 PM THE SOUTH AFRICAN DENTAL JOURNAL SADJ CONTENTS EDITORIAL OFFICE FRONT COVER PICTURE Managing Editor Professor Johannes Frederick van Reenen ...a doyen of the profession 409 Prof NH Wood EDITORIAL Editorial Assistant Enhancing information distribution through open access 410 Mr Dumi Ngoepe Email: [email protected] publishing - NH Wood Sub-editors LETTER TO THE EDITOR Prof N Mohamed Clinical management of Sialadenitis - N Kana, Z Cassim, S Maharaj 411 Prof P Owen Prof L Sykes COMMUNIQUE Prof J Yengopal The SADA dental mediation (free and going online) - KC Makhubele 413 Please direct all correspondence to: RESEARCH South African Dental Association Lip height estimation in a southern African sample 415 Private Bag 1, Houghton 2041 - Tobias MR Houlton, Nicolene Jooste, Andre Uys, Maryna Steyn Tel: +27 (0)11 484 5288 Fax: +27 (0)11 642 5718 Skeletal morphologic features of Anterior Open Bite Malocclusion 425 Email: [email protected] amongst black patients visiting the Medunsa oral health centre - NP Sithole, MI Khan, MPS Sethusa Editorial Board Dr P Brijlal: University of the Western Cape Prof T Dandajena: Private Practice USA Development of a radiographic dental implant guide for identification 432 Prof W G Evans: University of the Witwatersrand of dental implant types - L Vermeulen, A Speelman, V Daries, V Philips Dr H Gluckman: Private Practice Dr M Hellig: University of the Witwatersrand Prof B Kramer: University of the Witwatersrand Prof AJ Louw: University of the Western Cape Dr N Mohamed: University of the Western Cape Prof J Morkel: University of the Western Cape Prof MPS Sethusa: Sefako Makgatho Health Sciences University Prof L Shangase: University of Pretoria Prof L Sykes: University of Pretoria Prof AW van Zyl: Private Practice Prof NH Wood: Sefako Makgatho Health Sciences University SADA OFFICE BEARERS National Council President: Dr RR Naidoo Vice-President: Dr APL Julius SADA Board of Directors Our Front Cover for this Issue... Chairperson: Dr R Putter The theme for the Front Cover of the South African Dental Journal this year Vice-chairperson: Dr N Osman provides for some historical figures, some characters illuminating dental history Dr SJ Swanepoel and some important achievements in South African Dental history. The cover for Dr SY Pieters August looks at a dentists who is considered a doyen of the profession. Dr FC Meyer Read more on page 409. Dr EK Naidoo Mrs C Wessels Johannes Frederick van Reenen - a doyen of the profession Mr H Keshave Johannes Frederick (“Frikkie”) van Reenen (20/04/1926 to 8/9/2007) …a doyen of the profession who by exemplary Mr KC Makhubele (CEO) example contributed to the advance of Dental Education in South Africa. Published by: On behalf of: THE SOUTH AFRICAN DENTAL ASSOCIATION THE SOUTH AFRICAN DENTAL JOURNAL SADJ CONTENTS SADA OFFICE BEARERS REVIEW Chairpersons of Board Sub-Committees Individual and social determinants of oral health in South Africa in the 440 Audit & Risk Committee: Dr N Osman context of COVID-19 - A Magan Strategy, Ethics & Remuneration Committee: Dr SY Pieters Dental Practice Committee: Dr SJ Swanepoel CASE REPORT The case of three burials - A forensic case book 445 Chairperson of DDF Board of Trustees - L Robinson, LM Sykes, H Bernitz Dr B Beilinsohn Diffuse gingival enlargement with stromal calcifications occurring in a 450 PRODUCTION OFFICE background of amelogenesis imperfecta - An oral medicine case book E-Doc CC, - E Heyl, L Robinson, L Kotze, WFP van Heerden a Division of Life-Long Learning Solutions CC Tel: +27 (0)10 020 1013 CLINICAL WINDOW What’s new for the clinician? - Excerpts from and summaries of recently 454 Publisher and Project manager Mr René Smulders published papers - V Yengopal GENERAL AND ADVERTISING ENQUIRIES RADIOLOGY CASE Mr René Smulders Maxillofacial Radiology 184 - CJ Nortjé 459 Email: [email protected] ETHICS Design and Layout Consent and confidentiality in children - LM Sykes, E Crafford 462 Ms Reine Combrinck Email: [email protected] CPD CPD questionnaire 465 Website smalls advertising / CPD Enquiries and Member contact detail update AUTHOR GUIDELINES South African Dental Association Instructions to authors and author’s checklist 468 Tel: +27 (0)11 484 5288 Email: [email protected] CLASSIFIEDS Instructions to authors and author’s checklist 472 Editorial, Advertising and Copyright Policy Opinions and statements, of whatever nature, are published under the authority of the submitting author, and the inclusion or exclusion of any medicine or procedure does not represent the official policy of the South African Dental Association or its associates, unless an express statement accompanies the item in question. All articles published as Original Research Papers are refereed, and articles published under Clinical Practice or Reviewed Notes are submitted for peer review. The publication of advertisements of materials or services does not imply an endorsement by the Association or a submitting author, should such material feature as part of or appear in the vicinity of any contribution, unless an express statement accompanies the item in question. The Association or its associates do not guarantee any claims made for products by their manufacturers. Published by: On behalf of: While every effort is made to ensure accurate reproduction, the authors, advisors, publishers and their employees or agents shall not be responsible, or in any way liable for errors, omissions or inaccuracies in the publication, whether arising from negligence or otherwise or for any consequences arising therefrom. Accredited by the Department of Education SADJ is published 10 times a year by E-Doc CC, a Division of Life-Long Learning Solutions CC, on behalf of The South African THE SOUTH AFRICAN DENTAL ASSOCIATION Dental Association. © 2020 Life-Long Learning Solutions CC. www.sada.co.za / SADJ Vol. 75 No. 8 FRONT COVER PICTURE < 409 Professor Johannes Frederick van Reenen ...a doyen of the profession (20/04/1926 to 8/9/2007) Frikkie Van Reenen qualified combine beauty, health and function into dentistry. That BDS (Rand) in 1949, and understanding ensured that countless students under then spent his first year as his tutelage came to recognise those critical balances in a dentist in London before their practice of Dentistry, and enhanced their empathy returning to South Africa and for their patients. His students recognised his dedication opening a private practice in by creating the Professor Van Reenen Award, an acco- Pretoria. It was there that he lade to teaching excellence. began his foray into acade- mia when he was appointed In addition to all of these commitments, Professor van to a post as an honorary lec- Reenen become involved in many of the wider aspects turer at the Faculty of Den- of Dentistry in South Africa. He was a long- time member tistry, University of Pretoria. of the Federal Council of the Association, and held office on the Health Professions Council and the South African Johannes Frederick (“Frikkie”) van He remained in that position Medical Research Council. As a founder member of the Reenen (20/04/1926 to 8/9/2007) for some years, during which Prosthodontic Society of South Africa, Professor van time he was amongst the first to recognise that com- Reenen also was an inspiration in the founding of the bating dental disease requires a sound comprehension Academy of Prosthodontists of South Africa. Elected as of the microbial organisms populating the mouth. Pur- a Fellow of the College of Medicine of South Africa, he suing this passion, he returned to London in 1957 where contributed to the creation of the Faculty of Dentistry at he read microbiology at the London School of Tropical the College. Medicine and Hygiene. Frikkie was a very private He then returned to South Africa, and entered into full and reserved person, but at time academia, introducing the study of microbiology the same time was always at Wits Dental Hospital and ascending in time to the open and approachable. A post of Dean of the Faculty of Dentistry in 1975. As man of impeccable style, a full Professor he held that position and as Director of dress and demeanour, well the Oral and Dental Hospital for 12 years up until 1987. into his 70s he was noted to have said that he “longed He was deeply committed to enhancing dental edu- for the day that he would be cation and to the advancement of knowledge and acuity old enough to walk with a in the practice of Dentistry. To this end he served for cane, as he considered this twenty years as Scientific Editor of the South African to be very genteel”. He never Dental Journal. His time in this position was marked by did need that cane, and was his determination to ensure that the publication played in any event already the epi- a significant role in the profession.