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Fulltext Ethics, professionalism and legal education in Malaysian undergraduate dentistry: A reflection on the current requirements

Balasingam, Usharani, Seong, Lim Ghee, Yeng, Chen

JUMMEC, 2020;23(2):61-71.
MyJurnal

The undergraduate dental degree in Malaysia is regulated by the Malaysian Dental Council (MDC) (Standard of Undergraduate Competencies), Code of Professional Conduct of the Malaysian Dental Council, the Malaysian Qualification Framework 2.0 and the Malaysian Quality Agency (MQA) quality assurance documents. These primary documents emphasize the importance of professional ethics and law in dentistry as will be further detailed and discussed later. This study reflects on the need to integrate ethics, professionalism and law with sufficient coverage in terms of content and emphasis in the dental undergraduate curriculum. Literature and benchmarking practices are reviewed for a deeper reflection of the current needs in a professional dental ethics and law education course. The present study is primarily focused on regulatory requirements, legal cases and comparative literature to serve as a reference on how professional ethics and law courses may be conducted. As an incidental measure, a reflection as to how the course of study of professional ethics is delivered in a local university is considered in a selected local university’s undergraduate dental curriculum. The findings indicate that ethics professionalism and dental law is not given sufficient emphasis as it is included as one of the minor components within another overcrowded subject and the coverage of what is taught is limited in context. This paper is an invitation to all dental schools to review and reflect whether, given the emphasis on professional ethics, legal and regulatory compliance in the regulatory documents, it is adequately reflected in their dental curriculum. In this regard, some benchmarking references are done to suggest what such a course should cover, for consideration of the dental schools.
Fulltext The development of flexible denture materials and concept: A narrative review

Seong, Lim Ghee, Buzayan, Muaiyed Mahmoud Ali, Elkezza, Aeman

JUMMEC, 2021;24(1):23-29.
MyJurnal

Introduction: Flexible denture is an alternative treatment modality for removable partial denture (RPD) that aid the retention by ensuring seal around the entire border of the denture. It is also referred as hypoallergenic denture especially for those who are allergic towards conventional acrylic denture which is the poly-methylmethacrylate monomer (PMMA) and metal (cobalt chromium). The flexible material exhibits lower flexural modulus than conventional type of baseplate material denture that makes it nearly unbreakable. Nowadays, there are a handful of different flexible materials in the dental market for the general dental practitioners to choose but somehow the studies on the properties of these different types of flexible materials are sparse.

Objectives: The present study is to study the development of the flexible materials, the different type of flexible materials and their physical properties.

Methods: From the limited article journals available, the authors have summarized the history, development and constituents of different type of flexible materials used in fabricating denture. Besides that, the authors also discussed about the indications, contraindications, advantages and disadvantages of the materials in denture constructions based on all the published researches available on this topic using published materials available in the dental library, University of Malaya and the databases (Science Direct, PubMed).

Conclusion: Each flexible material has its pros and cons. Therefore, careful selection of material and understanding of the flexible dentures’ indications and contraindications are utmost importance to make sure the best treatment outcome. Hence, patients’ best interest and quality of life can be upheld.
Fulltext Comparison of cooling methods on denture base adaptation of rapid heat-cured acrylic using a three-dimensional superimposition technique

May LW, John J, Seong LG, Abidin ZZ, Ibrahim N, Danaee M, et al.

J Indian Prosthodont Soc, 2021 5 4;21(2):198-203.
PMID: 33938871 DOI: 10.4103/jips.jips_41_21

Aim: To investigate the effect of different cooling methods on denture base adaptation of rapid heat-cured acrylic resin using 3D superimposition technique.
Setting and Design: In vitro - Comparative study.
Materials and Methods: Denture base adaptation of two different rapid heat-cured polymethyl methacrylate acrylic resins using five different cooling methods were compared. Forty maxillary edentulous stone cast were prepared to produce the denture bases with standardized thickness. The specimens were divided into five groups (n = 8) according to type of materials and cooling methods. The master stone cast and all forty denture bases were scanned with 3Shape E1 laboratory scanner. The scanned images of each of the denture bases were superimposed over the scanned image of the master cast using Materialize 3-matic software. Three dimensional differences between the two surfaces were calculated and color surface maps were generated for visual qualitative assessment.
Statistical Analysis Used: Generalized Linear Model Test, Bonferroni Post Hoc Analysis.
Results: All bench-cooled specimens showed wide green-colored area in the overall palatal surface, while the rapid cooled specimens presented with increased red color areas especially at the palate and post dam area. Generalized Linear Model test followed by Bonferroni post hoc analysis showed significant difference in the root mean square values among the specimen groups.
Conclusion: Samples that were bench cooled, demonstrated better overall accuracy compared to the rapid cooling groups. Regardless of need for shorter denture processing time, bench cooling of rapid heat-cured PMMA is essential for acceptable denture base adaptation.

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