Research and other publication outputs (2010-2016)

Research articles:

1. Lownie, J.F., Lemmer, J., Sykes, L.M. (1989) Chronic maxillary sinusitis resulting from displacement of
impression material into the maxillary antrum: A case report. Journal of the Dental Association of South Africa, 44,
8, 341-342.
2. Touyz, L.Z.G., Tuit, C.M., Sykes, L.M., Krawitz, H. (1991) Mouth care of patients undergoing irradiation of the
head and neck. The South African Medical Journal, 80, 2, 419-420.
3. Sykes, L.M. (1996) Custom made ocular prostheses: A clinical report. The Journal of Prosthetic Dentistry,75,1,
4. Sykes, LM. (1996) Scar traction appliance for a patient with microstomia: A clinical report. The Journal of
Prosthetic Dentistry, 76,4, 464-465.5.
5. Sykes, LM and Coogan, MM (1997) Yeast counts as a measure of host resistance in dental patients. The Journal
of DASA, 52,1, 19-23.
6. Sykes, LM (1999) Oral management of the irradiated head and neck cancer patients. SADJ,54, 1, 59-62.
7. Sykes LM, Essop ARM (1999) A feeding adaptation for a baby with a cleft palate. SADJ, August, 54,8, pp.369-
8. Sykes LM, Essop ARM and Veres EM (1999) The use of custom-made conformers in the treatment of ocular
defects. JPD,82,3, 362-365.
9. Sykes LM, Essop ARM (2000) Prostheses for acquired maxillary defects with emphasis on flexible silicone
obturators. Journal of SADA, 55, 8, 428-432.
10. Sykes LM, Essop, ARM (2000) A combination intraoral and extraoral prosthesis used for rehabilitation of a
patient treated for cancrum oris: A clinical report. The Journal of Prosthetic Dentistry June 2000, 83, 6, 613-616.
11. Essop ARM, Sykes LM, Wolfaardt JF, Chandler, HD and Becker PJ (2000) The elastic limit of nickel-containing
and nickel-free cobalt-chromium circumferential clasps. SADJ, 55, 10, pp539-543.
12. Essop ARM, Salt SA, Sykes LM, Chandler HD and Becker PJ (2000) The flexibility of titanium clasps compared
with cobalt-chromium clasps. SADJ 55, 12 pp672-677.
13. Sykes LM and Breitz LR (2001) Prosthetic restoration following maxillary trauma utilizing a fixed removable
implant-supported prosthesis - A case report. SADJ 56,1,pp28-30.
14. Sykes LM, Essop ARM “An eight year survey of patients treated in the maxillofacial prosthetic Unit at Wits”
Submitted to SADJ, April 2001, 56, 4, 198-202.
15. Sykes LM “An interim extra-oral prosthesis used for the rehabilitation of a patient treated for osteoradionecrosis
of the mandible: A clinical report”, JPD August 2001, 86, 2, 130-134.
16. Sykes LM, Sukha AK “Potential risk of serious infections in the diabetic patient: A clinical report” The JPD,
December 2001,86;6; 569-173.
17. Sykes LM, Dullabh HD & Sukha AK (2002) “The use of technopolymer clasps in prostheses for patients due to
have radiotherapy” SADJ Jan. 57; 1:29-32.
18. Sykes LM, Dullabh HD, Chandler HD, Bunn B, Essop ARM (2002) Flexibility of Technopolymer clasps
compared with cobalt-chromium and titanium clasps. SADJ, 57;5: 166-171.
19. Sykes LM, Wolfaardt JF and Sukha AK (2002) prosthodontic rehabilitation of a patient with total avulsion of the
maxilla: A clinical report. JPD 88;4: 362-366.
20. Sykes LM, Sukha AK (2003) A mechanically retained, 4-part oral and facial prosthesis: A clinical report. SADJ
Feb 2003, 58(1) 11-15.
21. Sykes LM, Dullabh HD (2003) Prosthodontic treatment of the edentulous adult cleft palate patient. SADJ March
2003; 58 (2)64-72.
22. Sykes LM, Du Plessis F, Essop ARM (2003) Cancrum Oris- Prosthetic Aspects of treatment. SADJ 58;10:14-
23. Sykes LM, Parrott AM, Owen P & Snaddon DR (2004) Application of Rapid prototyping technology in
maxillofacial prosthetics. IJP, 17;4: 454-9.
24. Sykes LM, Nelson JT, Parrott A, Skews BW, (2006) An investigation into colour recipe prediction for use in
dentistry. SADJ, April 61(3); 102-108.25. Al Kadi H, Sykes LM and Vally Z (2006) Accuracy of the Raypex-4 and
Propex apex locators in detecting Horizontal and Vertical root fractures SADJ, July; 61, 6, 244-247. (This paper
was also the SADA Young Essayist Award for the best publication in 2007).
26. Sykes LM (2007) Dentine Hypersensitivity: A review of its aetiology, pathogenesis and management. SADJ, 62;
2; 066-071
27. Sykes LM, Gugushe TS (2007) New methods for teaching Oral Biology to dental students. SAJHE, 21 (2) 334-
28. Sykes LM, Ramdhin P (2007) Culture, Habits, Additions, Omissions and Substitutions – could spell dental
chaos. SADJ, 2007; 62;8,354-357
29. Goosens IC, Kemp PL, Bredell MG, Sykes LM (2008) Implant retained nasal prosthesis for a child with

congenital arhinia – A case report. SADJ, August, 63;7, 390-392.
30. Dullabh HD, Sykes LM (2008) The accuracy of three impression transfer techniques for implant supported
prostheses. SADJ Sept;63;8,458-65.
31. Sykes LM, Buleni TCN (2009) A simple method to ensure sufficient occlusal reduction in fixed prosthodontics.
SADJ February; 64,1,22-23.
32. Sykes LM, Du Plessis JB, Gugushe TS, Harris MJP (2009) Introducing problem based learning – difficulties and
possible solutions. SADJ, Vol 64, No 6 266-269.
33. Sykes LM, Tadi R, DuPlessis J, Gugushe T (2010) Ethical dilemmas and financial burdens faced by clinical
dental students in a “quota-driven” curriculum. SADJ, Vol 2, No 2 48-51.
34. Sykes LM, Owen CP (2010) Student’s guide to complete denture construction. SADJ Vol 65, 9: 4360437.
35. Sykes LM, Dullabh H (2012) Student’s vulnerability in educational research. SADJ June 2012, Vol 67, no 5
36. JH van den Heever, LM Sykes, F du Plessis. The scope of maxillofacial prosthodontics. SADJ, November 2012,
67,10, 593-595
37. Z Vally, LM Sykes, ME Aspeling, J van de Merwe, R Ballyram. In vitro comparison of the compressive strengths
of seven different provisional crown materials. SADJ March 2013, Vol 68 no 2 p62 - p65
38. D Herbst, H Dullabh, L Sykes, C Vorster. Evaluation of surface characteristics of titanium and cobalt chromium
implant abutment materials, SADJ September 2013, Vol 68 no 8 p350 - p356.
39. Lekay-Adams M-R, Sykes LM, du Plessis F. Prosthetic challenges in a patient with ocular evisceration and
global preservation: a case report. SADJ February 2014, Vol 69 no 1 p15 - p17
40. Harryparsad A, Dullabh HD, Sykes LM, Herbst D. The effects of hydrochloric acid on all-ceramic restorative
materials: An in-vitro study. SADJ, April 2014, 89, no 3, 104-109
41. R Doolabh, HD Dullabh, LM Sykes. A comparison of preload values in gold and titanium dental implant
retaining screws. SADJ August 2014, Vol 69 no 7 p316 - p320
42. NA Fernandes, ZI Vally, LM Sykes. The longevity of restorations – a literature review. SADJ, October 2015, Vol
70; No 9, p410-413
43.LM Sykes, A Uys, H Bernitz. Importance of record keeping in Forensic odontology: A case discussion and
general medico-legal guidelines for all practitioners. SADJ June 2016, Vol 71, no 5, pp224-227
44. NA Fernandes, J van den Heever, L Sykes, H Kluge. Nasal reconstruction of a patient with complete congenital
arhinia: A clinical report. JPD; June 2016; 116: 924-927.
45. LM Sykes, F Gani, Z Vally. Statistical terms Part 1: The meaning of the MEAN, and other statistical terms
commonly used in medical research. SADJ, July 2016, Vol 71 (6) 274-278.
46. LM Sykes, F Gani, H Dullabh. Statistical terms Part 2: Principles of research study design: Understanding the
options, indications and limitations. SADJ August 2016, Vol 71 (7) 319-323.
47. LM Sykes, M Comley, L Kelly. Availability, indications for use and main ingredients of mouthwashes in six major
supermarkets in Gauteng. SADJ August 2016, Vol 71 (7), 306-313.
48. LM Sykes, F Gani, AJ Jagathpal. Beyond statistics: Part 3: Getting started with Research. SADJ, 72,8,362-364.
49. LM Sykes, PD Brandt, WG Evans. The ethics of research: Part 4: Safeguarding the scientist, protecting the
participant. SADJ;71, 9, 412-414.
50. LM Sykes, HD Dullabh,P Brandt. WG Evans. Treatment versus Research: Part 5: Bridging the Boundaries.
SADJ November 2016; 71; 10, 527-529.
51. LM Sykes, A Bhayat, H Bernitz.The Effects of the Refugee Crisis on Age Estimation Analysis over the Past 10
Years: A 16-Country Survey. Int. J. Environ. Res. Public Health 2017, 14(6), 630; doi:10.3390/ijerph14060630
(registering DOI)
52. LM Sykes, WG Evans, PD Brandt, AMP Harris. The research focus question: Part 6: Finding the flaws,
explaining the errors, and suggesting solutions. SADJ, 2017, 72;1, 36-39.
53. LM Sykes, WG Evans, HD Dullabh, ZI Vally. Finally Finished: part 7: The writing sequence. SASDJ March
2017; 72,2; 80-82.
54. LM Sykes, A Harryparsad, WG Evans, F Gani. Social Media and dentistry. Part 8: Ethical, legal and
professional concerns with the use of internet sites by health care professionals. SADJ; April 2017, 72, 3, 132-136.
54 (b). D Herbst, HD. Dullabh, LM Sykes, Döman. Bond strength of three cements on two different ceramic
substructures. SADJ. Accepted – await publication.
55. H Dullabh, D Herbst, LM Sykes, Biseswar N. Biaxial Flexural strength of three oxide ceramic cores. SADJ
March 2017, 72, 2; 56-61
56.Leanne M Sykes, Dirk Herbst, Hemant Dullabh, Nelson Fernandes. Comparison of alveolar osteitis with post
implant removal osteitis. (Can you get a dry socket after implant removal)? SADJ, SADJ July 2017, Vol 72 no 6
p278 - p280
57.LM Sykes, A Harryparsad, F Gani, ZI Vally, WG Evans. “In my hands”: Part 9: The case for case reports. SADJ,
May 2017, 72, 4 184-187.
58. NA Fernandes, J van den Heever, LM Sykes. "Immediate implant placement and provsionalization following

tumor-resective surgery in the midfacial region: A case series." (JOPR-16-581.R1) doi: 10.1111/jopr.12686 Journal
of Prosthodontics, 2017; 1-6
59. LM Sykes, Z Vally, WG Evans. Practicing beyond your expertise. Part 10. Who’s to blame, who’s to name?
SADJ June 2017, Vol 72 no 5 p230 -233.
60.LM Sykes, WG Evans, F Gani. “In my mouth”: Part 11: Ethical concerns regarding dental over-treatment and
under-treatment. SADJ 2017, Vol 72,6, 281-283
61. LM Sykes,A Harryparsad, WG Evans. Dental images: Part 12: Ensuring patients’ understanding, acceptance
and consent to all possible usages. SADJ 2017, Vol 72,7, 336-338
62. LM Sykes, WG Evans, F Gani, P Nethonando. Part 13. Issuing Medical Certificates: How sick do you have to
be to actually “Be sick”? SADJ September 2017, Vol 72 no 7 p336 - p338
63.LM Sykes, WG Evans, R Doolabh. “How do they know what they know?”: Learning to be critical when reading
scientific papers. SADJ 2017, Vol
64. LM Sykes, WG Evans, HD Dullabh. Negligence versus Malpractice. Part 14: The “Reasonable Person Rule”.
SADJ 2017, Vol 72,9, 430-432
65. LM Sykes, WG Evans, F Gani, ZI Vally, HD Dullabh. Part 15. Secondary use of unethically obtained data: Fidty
shades of grey/ aye/nay. SADJ 2017, 72,10, 470-472.
66. LM Sykes, WG Evans, HA Cooke, H Dullabh, D Herbst. Informed Consent. Part 16: It’s more than a matter of
“Been there, done that, got the signature.” SADJ 2017, Vol
67 Nel S, Davidson, CL, Uys A, Sykes LM, Bernitz H. Fragmentary tooth root development: biological and forensic
dental implications. SADJ 2017; 72, 10. 466-469.
68. Immediate implant placement and provisionalization following tumor-resective surgery in the midfacial region: A
case series. Fernandes N, van den Heever J, Sykes LM; ACP 2017; doi 10.1111/jopr.12686
69. NA Fernandes, GO Patterson, LM Sykes. Chronic apical periodontitis- a criterion for endodontic failure? SADJ
Accepted for publication 2018
70.LM Sykes, WG Evans, G Buchanan, N Warren, N Fernandes. To pen or to probe. Prescribing versus treating,
how to decide. SADJ 2018, 73; 1. 53-55.
71. LM Sykes, WG Evans, HD Dullabh. Patients are people. Treating the person, not the problem. SADJ 2018,
March 73,2, 98-100.
72. LM Sykes, WG Evans, LG Lowe, JL Shackleton. The final chapter. Part 20: Embracing the ageing patient.
SADJ, 2018, 73,3, 172-175.
73.NA Fernandes, GO Patterson, LM Sykes. Detecting chronic apical periodontitis for improved endodontic
success. SADJ; 73, 5, 359-361

74.Mostert VC, Jonker CH. An audit of root canal treatments completed by students and dentists at an academic hospital. South African Dental Journal. 2016 May;71(4):170-175.

75. Mostert VC, Postma TC. The capacity of the Oral Health Centre, University of Pretoria, to complete root canal treatments. South African Dental Journal. 2016 Sep;71(8):356-60.

76. Mostert VC. Reasons why South African dentists chose a career in Dentistry, and later opted to enter an academic environment. South African Dental Journal. 2018 Apr;73(3):141-5.




Harryparsad A, Dullabh HD & Herbst D In-Vitro investigation into the long-term effects of hydrochloric acid on all-ceramic restorative materials. Microscopic Society of Southern Africa.2012; 42:120.



2007 - Doman D. Bond strength of 3 cements on 2 different ceramic sub-structures.

2009 - Vorster C. In vitro evaluation of surface characteristics on titanium and cobalt chromium abutment materials.

2009 - Biseswar N. Biaxial flexural strength of three oxide ceramic cores.

2009 - Doolabh R. Dental implant retaining screw: The effect of material on preload, determining an optimum preload and a protocol for maintaining it. [MSc(Dent) done through WITS with Prof Dullabh as main supervisor]

2013 - Harryparsad A. An In-vitro Study: The Effects of Hydrochloric Acid On All-ceramic Restorative Materials.

2017 - Jagathpal AJComparison of excess luting agent around cemented implant crowns using three extraoral cementation techniques. 

2017 - Fernandes NA. The prevalence of second canals in the mesiobuccal root of maxillary molars in a South Africa subpopulation: A Cone Beam Computed Tomography Study. 

2018 - Doolabh R. Comparison of preload and removal torque of retaining screws in a dental implant with and without polyetheretherketone (PEEK) washers. 


Books and/or chapters in books

CLEAR in Dentistry – Communication, Law, Ethics And Research in Dentistry. LM Sykes, WG Evans.
ISBN 978-0-620-77725-4. Published by E-Doc, a division of Life Long Learning Solutions, in conjunction with the SA Dental Association. Ist edition published 2017

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