1.Morphology of Mandibular Condyle in The Population of Sarawak: A Retrospective Cross-sectional Study Using Digital Panoramic Radiograph
Tan Yy Jean ; Lim Woei Tatt ; Lee Sie Wei ; Shim Chen Kiong ; Mohamad Adam Bujang
Malaysian Journal of Medicine and Health Sciences 2023;19(No.4):258-264
		                        		
		                        			
		                        			Introduction: The morphology of the condyles changes naturally with age, gender, face type, occlusal force, functional load, malocclusion type, and the right and left sides. Although condylar shape and size differ throughout 
populations, there have been few investigations on condylar morphology, particularly in the Malaysian population. 
Methods: This retrospective, observational, cross-sectional survey was conducted at the Oral and Maxillofacial Surgery Clinic of Sarawak General Hospital from September 2021 to March 2022, involving radiographic assessment 
of condylar morphology from 893 panoramic radiographs. Age, gender, ethnicity and dentition status using Eichner 
index were extracted from the data. Descriptive statistics were used. Pearson’s chi-square test was used to determine 
the association between the independent variables (age, gender, ethnicity and dentition status) and the shape of the 
mandibular condyle. A p-value of < 0.05 was considered statistically significant. Results: Only 450 panoramic radiographs were included in this study. The condyles were outlined and grouped into four categories, namely pointed 
(40.2%), round (32.8), angled (18.8), and flat (8.2%). Condylar morphology was found to be significantly associated 
with gender (p<0.005) and insignificant with other independent variables. Conclusion: The findings suggest that the 
most prevalent condylar morphology among the Sarawak population is the pointed shape, in contrast with other 
previous studies that reported the round shape condylar morphology as the majority shape.
		                        		
		                        		
		                        		
		                        	
2.Multiple Accessory Cusps Expression at Mandibular Third Molar: A Unique Variation of Dental Crown Morphology - A Case Report
Nur Lyanna Mahfuzah Mohamad Johar ; Yy Jean Tan
Annals of Dentistry 2023;30(No.1):17-21
		                        		
		                        			
		                        			Accessory cusps are occasional variations in tooth morphology that can be detected clinically. Third molars 
have a wide range of eruption patterns and shapes but are commonly impacted. Unlike root morphology, 
variations in the crown morphology of the third molar have rarely been reported. Variations in crown 
morphology are important because they can affect clinical outcomes. Here, we present a rare case of fully 
erupted mandibular third molar (MTM) with multiple accessory cusps. This case report describes a case of a 
31-year-old female Kenyah with a unique crown morphology of her fully erupted, vital, and functional 
mandibular third molar (MTM) which has multiple accessory cusps seen on the buccal surface, giving the 
appearance of a double tooth. Her MTM presented with an incipient caries lesion, which was managed 
conservatively. Documenting variations in tooth morphology is crucial for individual identification. While most 
people opt to have their MTMs extracted, early management of well-erupted and functional teeth should be 
undertaken to prevent disease progression.
		                        		
		                        		
		                        		
		                        	
            

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