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All Journal Journal of Dentistry Indonesia Makara Journal of Health Research
Lim, Tong Wah
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Dentistry

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The Relationship of Facial Measurements with the Mesiodistal Width of the Maxillary Anterior Teeth Aziz, Nur Ilyana Aifa; Che Mohd, Nadia; Baharuddin, Izyan Hazwani; Rajali, Aiemeeza; Lim, Tong Wah; Tan, Su Keng; Ahmad, Rohana
Journal of Dentistry Indonesia Vol. 28, No. 3
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The relationship between facial measurements and the size of the maxillary anterior teeth in the Malaysian population is still a point of contention. Objective: The purpose of this study was to establish a relationship between facial measurements and the mesiodistal width of the maxillary anterior teeth (MDW), which could be used to guide the selection of anterior teeth for complete denture construction. Methods: The facial and dental measurements were obtained directly from 170 Malay adults aged between 19 to 35 who had morphologically normal permanent maxillary anterior teeth from canine to canine. The facial dimensions measured were interpupillary distance (IPD), intercanthal distance (ICD) and interalar distance (IAD). The facial dimensions were measured using a digital vernier calliper while the mesiodistal width of the maxillary anterior teeth was measured with a flexible ruler. The three facial dimensions were correlated with MDW for both genders. Results:The IPD and IAD were significantly (p>0.001) larger in males (IPD: 68.30±4.24mm; IAD: 39.60±2.54mm) than in females (IPD: 65.93±3.91mm; IAD: 36.96±2.29). There was no significant correlation between any of the facial dimensions and MDW in males or females. Conclusion: For the studied population, the interpupillary, intercanthal, and interalar distances may not be used as reliable guides when determining the size of maxillary anterior teeth in complete denture construction.
Comparative Analysis of Proteomics Biomarkers Associated with Residual Ridge Resorption Induced by Denture Wear Ahmad, Rohana; Mohamad Napi, Ainin Sofia; Lim, Tong Wah; Tan, Su Keng; Karsani, Saiful Anuar; Mazlan, Musalmah; Teh, Lay Kek; Morgano, Steven M; Baba, Nadim Z
Makara Journal of Health Research Vol. 25, No. 2
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Background: The biochemical bone turnover markers for residual ridge resorption (RRR) are unclear. Therefore, the present study aimed to determine the biochemical bone turnover markers associated with RRR by comparing proteomics between the compressed mucosa of denture wearers and the non-compressed mucosa of non-denture wearers. Methods: The mucosal specimens of 11 complete-denture wearers were obtained from the alveolar ridge during surgical implant exposure for implant-retained overdentures. All denture wearers had been edentulous and worn dentures for at least 5 years. The tissues of 11 non-denture wearers were taken from the ridge during minor preprosthetic surgery. The mucosal proteins were extracted, purified, precipitated, and subsequently separated by two-dimensional gel electrophoresis for comparative proteomics. Differentially expressed proteins between the groups were analyzed by ANOVA using Progenesis SameSpots software. Results: Comparative proteomics analysis showed significant upregulation of 78 kDa glucose-regulated protein (GRP78; +2.2 fold, p = 0.015) and lumican (+1.8 fold, p = 0.005), as well as significant downregulation of heat shock protein 27 (HSP27; −1.9 fold, p = 0.029) in the denture group. Conclusions: Differential expression of the biochemical bone turnover markers of GRP78, lumican, and HSP27 may occur as a result of denture pressure on the mucosa. These markers may play important roles in RRR.
Laypersons’ Perception Towards Gummy Smile and Facial Types: Acceptability and Treatment Benefit Norman, Noraina Hafizan; Ahmad Othman, Anis Azyan; Azhar, Nur Atiff; Lim, Tong Wah; Mohamed Kassim, Zethy Hanum; Abdul Ghani, Sarah Haniza; Mahmud, Melati
Journal of Dentistry Indonesia Vol. 29, No. 1
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Smile aesthetic perceptions could have different impact on orthodontic and prosthodontic treatment management and options to the patient. Objectives: To determine the laypersons’ smile aesthetic perceptions; irrespective of age and gender, of gummy smile and its treatment need and benefit on three different facial types. Methods: Smiling frontal photographs of a male and female subject were altered to simulate three facial types (brachyfacial, mesofacial and dolichofacial) with different levels of gummy smile increase from 2.0mm to 5.0mm. A total of 150 laypersons ranging from 18-45 years old were randomly approached to rate the photographs. Perceptions differences were assessed using visual analog scale for each group. Results: Repeated measure ANOVA was applied and showed that the mean level of attractiveness among three different facial types based on gummy smile levels was not statistically significant. This suggests that the facial type does not influence the laypersons’ ratings on gummy smile level. Further test found that the laypersons perceived 4.0mm gummy smile as borderline attractive while at 5.0mm is considered as unaesthetic. Chi Square test showed that there was statistically significant difference between the treatment need and attractiveness scoring (p=<0.01) whereby the treatment benefit is dependent on attractiveness ratings of gummy smile variables. Conclusion: Different levels of gingival show affect the laypersons’ perception of smile attractiveness, regardless of the facial type. The higher the level of gingival show, as seen in 4-5mm categories is perceived to be unattractive and thus, more likely to benefit from treatment.
Integration of Massive Open Online Course (MOOC) in Conventional Teaching and Learning for Fixed Prosthodontics - A Case Study Abdul Hamid, Nor Faharina; Ahmad, Rohana; Lim, Tong Wah; Kamar Affendi, Nur Hafizah; Tengku Mohd Ariff, Tengku Fazrina; Mahmud, Melati; Ab Ghani, Siti Mariam
Journal of Dentistry Indonesia Vol. 30, No. 3
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The potential for Massive Open Online Courses (MOOCs) in clinical dentistry remains vague and inadequately explored. Objectives: The study aims to obtain insight into the development of MOOCs in Fixed Partial Dental Prostheses (FPDPs) and to assess students’ learning preferences, module quality, and interface usability. Methods: The MOOCs was created by seven academicians with prosthodontic backgrounds. After completing the MOOCs and three complementary online discussion sessions, the students (n = 89) were invited to participate in an online survey. SPSS version 23 was used to calculate the frequency, percentage, mean, and standard deviation of categorical data (SD). Results: A total of 84.1% of students completed the survey. Six modules with five different FPDPs topics and a single implant topic were created for this MOOCs, which consists teaching and practical modules. 94.6% of respondents agreed that MOOCs can be used to supplement traditional T&L, with 64.9% preferring MOOCs to traditional classrooms. The majority of the items received a high mean score above 4.00, indicating that the majority of respondents were satisfied with the developed MOOC’s course content, usability, and interface. Conclusion: The majority of respondents agreed that the overall course content is well-organized and expressed positive feedback on integrating MOOCs into traditional classrooms.
Co-Authors Ab Ghani, Siti Mariam Abdul Ghani, Sarah Haniza Abdul Hamid, Nor Faharina Ahmad Othman, Anis Azyan Ahmad, Rohana Azhar, Nur Atiff Aziz, Nur Ilyana Aifa Baba, Nadim Z Baharuddin, Izyan Hazwani Che Mohd, Nadia Kamar Affendi, Nur Hafizah Karsani, Saiful Anuar Mahmud, Melati Mazlan, Musalmah Mohamad Napi, Ainin Sofia Mohamed Kassim, Zethy Hanum Morgano, Steven M Norman, Noraina Hafizan Rajali, Aiemeeza Tan, Su Keng Teh, Lay Kek Tengku Mohd Ariff, Tengku Fazrina