Displaying publications 1 - 20 of 142 in total

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  1. Wong, Lishena,, Liew, Amy Kia Cheen, Dalia Abdullah, Chong, Bun San
    MyJurnal
    The study aimed to compare the scope and pattern of practice between general dental practitioners (GDPs), restorative dentistry specialists and endodontists. Self-administered postal questionnaires were distributed to 22 restorative dentistry specialists, 16 endodontists and a random sample of 566 GDPs. The pre-tested questionnaire inquired about demographic data, endodontic practices and referrals. Fisher’s exact test with Bonferroni adjustment was performed for pairwise comparisons. The overall response rate was 73.8%. The restorative dentistry specialists and the endodontists performed a wider array of endodontic procedures than the GDPs and were more consistent in the use of specific armamentarium (p
  2. Tuan Siti Mastazliha Long Tuan Kechik, Zurairah Berahim, Wan Nazatul Shima Shahidan
    MyJurnal
    Human salivary exosomes have been identified as a highly informative nanovesicle with clinical-relevant information for variation of diagnostic purposes. As a continued effort from previous studies on human salivary exosomes effect at gene expression level, this study is carried out to observe the morphology of human periodontal fibroblast (HPdLF) treated with exosomes cells under the same period of changes in genotypic level occurred. In vitro, HPdLF cells were cultured for 24 hours with 10 μg/ml of human salivary exosomes. The morphology of HPdLF cells was examined under inverted light microscopy and scanning electron microscopy (SEM) for both control samples and samples treated with human salivary exosomes, while the cell count was performed via trypan blue staining. There was no significant difference in the morphology under the inverted light microscopy and the cell number of HPdLF cells for both treated and untreated cells with exosomes. However, for SEM, the treated HPdLF with salivary exosomes showed slight observable changes on the filopodia, lamellipodia, cytoplasmic vesicles and the cytoskeleton of the cells. Even within a short period (24 hours) of culturing time for cells with human salivary exosomes, the samples showed minimal changes which positively suggested a simultaneous event of exchanging materials from human salivary exosomes to cells had occurred, hence, potentially proving that human salivary exosomes can enhance cell proliferation.
  3. Fatin Hazwani Fauzia, Nurul Izzati Hamzana, Nurhayu Ab. Rahmana, Irfan Mohamadb, Siti Suraiya, Thomas George Kallarakkald, et al.
    MyJurnal
    Infection of the oral cavity with high-risk human papillomavirus (HPV) has been implicated as one of the risk factors for the development of oral squamous cell carcinoma (OSCC). Among the high-risk HPV types, HPV 16 and 18 are the most common infective agents in oral cancers. This study aimed to compare the presence of high-risk HPV in genetic materials obtained from saliva, blood and tissues of OSCC patients in Malaysia. The genomic DNA was extracted from saliva (n=13), blood (n=59) and tissue (n=63) and subjected to polymerase chain reaction (PCR) amplification of human beta globin gene to confirm the presence and integrity of DNA. Positive amplification was then screened for high-risk HPV by nested PCR using MY11/09 and GP5+/6+ consensus primers, followed by a further confirmation by DNA sequencing of the positive samples. As a result, two saliva samples (2/13; 15.4%) were found to harbour HPV 16 and one tissue sample (1/63; 1.6%) was shown to be positive for HPV 18. However, none of the blood samples were positive for high-risk HPV. Thus, HPV is more likely to be found in the saliva of OSCC patients as compared to blood and tissue samples. The detection of high-risk HPV in OSCC patients is useful in deciding how to manage the patient as HPV-associated OSCC has better prognosis.
  4. Ying, Loo Ying, Lin, Low Mei, Lynn, Mok Hsiao, Norliwati Ibrahim, Asma Alhusna Abang Abdullah
    MyJurnal
    Oral candidiasis is an opportunistic infection of the oral cavity. This study aimed to determine prevalence of oral candidiasis in patients with palatal coverage orthodontic appliances and prostheses and its risk factors. Three groups of patients were recruited after an informed consent. The two tested groups were the denture and the upper removable orthodontic appliance (URA) groups while patients with no prosthesis/appliance acted as control. The assessments included demographic profile, denture/URA age, night-time wearing and duration of wearing. Signs and symptoms of candidiasis were examined intra-orally. Unstimulated salivary flow rate test was also performed. Smears samples were taken from palatal mucosa and impression surfaces of denture/URA and stained with Periodic Acid Schiff (PAS). The data were analysed using descriptive and chi-square tests. A total of 86 patients were recruited; denture (n=30), URA (n=22), control (n=34). Denture and URA groups had significantly more positive cases of candidal infection (56.7 and 72.7% respectively) as compared to control group (20.6%). Among the subjects with oral candidiasis, denture patients were detected to have more severe amount of candidal hyphae (20%) than URA (13.6%) group. The relationships between oral candidiasis and these risk factors i.e. age, night-time wearing, daily total hours of wearing and denture/URA hygiene were statistically significant (p
  5. Averistusa, Gretha, Noor Hayati Abdul Razaka, Mohammad Khursheed Alam
    MyJurnal
    The present study aims to investigate and compare the hard and soft tissue cephalometric measurement among Malaysian Malay and Chinese subjects. This study is a cross-sectional study of secondary data. Data consists of 470 standardized lateral cephalometric radiographs of Malaysian Malay and Chinese adults which were picked randomly among orthodontic patients of Hospital USM. The criteria of selection were pre-treatment lateral cephalometric film of Malay and Chinese orthodontic patients aged 18-25 years which has good quality with visible landmarks. All cephalometric landmarks were located and determined and subsequently all measurements were done per COGS analysis using CASSOS software. Independent t-tests were performed for statistical comparison. Out of the 38 measurements, 4 were found significantly different between the sexes for Malaysian Chinese and 18 were found significantly different between the sexes for Malaysian Malay. Statistically significant disparities were also found between Malaysian Malay and Chinese as 16 measurements has p-value of < 0.05. Disparities were observed in COGS values between the two races and each sex group.
  6. Muhammad Azeem Yaaqoba, Suhaily Mohd Hairon, Thirumulu Ponnuraj Kannana,, Nurhayu Ab Rahmand
    MyJurnal
    This study was to determine the sociodemographic and clinicopathological factors that were associated with mortality of OSCC patients managed at Hospital USM. The prevalence of high-risk human papillomavirus (HPV) in these patients and its association with epithelial proliferation rate were also determined. A retrospective study was conducted whereby medical records of patients diagnosed with OSCC and tissue specimens from 2005 to 2015 were studied. Formalin-fixed paraffin-embedded (FFPE) tissue specimens were evaluated for histological grading of OSCC, p16 overexpression and Ki-67 immunostaining. Descriptive statistics, simple and multiple logistics regressions were used for data analysis. Prognostic factors for mortality includes male gender (AOR=10.89; 95% CI: 1.99, 59.65; p = 0.006), alcohol consumption (AOR = 16.45; 95% CI: 1.36, 59.65; p = 0.028), not receiving treatment (AOR = 5.88; 95% CI: 1.03, 33.61; p = 0.046) and late stage (T3, T4) at presentation (AOR = 4.85; 95% CI: 1.12, 21.02; p = 0.035). Significant association was found between high-risk HPV positivity and higher epithelial proliferation rate expression (p < 0.003) in the OSCC tissue specimens.
  7. Ummu Afifah Fadzir, Deny Susanti Darnis, Basma Ezzat Mustafa, Khairani Idah Mokhtar
    MyJurnal
    Linum usitatissimum commonly known as flaxseed is one of the oldest crops traditionally cultivated
    mainly for its oil purposes. Flaxseed is widely known for its rich source of nutritive and bioactive compounds. Recently, it has gained considerable interest due to the potential health benefits attributed to its component of metabolites, including its antimicrobial properties. Two main components of flaxseed, the unsaturated fatty acids and lignan, are suggested as the main metabolites that exhibit antimicrobial activities. This paper aims to give an overview on fatty acid and phenolic compound in flaxseed and their possible activities as antimicrobial agents.
  8. Muhammad Ilyas Ahmad Shuhairi, Hadzliana Zainal, Khoirulzariah Ismail
    MyJurnal
    This study aimed to review the availability of sugar-free medicine available in the market using the online Monthly Index of Medical Specialties (MIMS) Malaysia 2016. Data collection was obtained from product information (PI) for prescription medications contained in the MIMS Malaysia 2016. Concise information for each product was collected based on therapeutic class groupings. The therapeutic class obtained from PI was assigned to one of the 11 major therapeutic classes. PI that stated its use in paediatrics was further reviewed for the availability of sugar free ingredient. Each product was then allocated into the poison groups: Group B, Group C and Non-Scheduled Poison. A total of 282 PI items from 336 companies in MIMS Malaysia 2016 that satisfied our eligibility criteria were reviewed. Of the 282 PI items reviewed, most of the products, 169 (59.9%) were sugarbased product, while 87 (30.9%) of them belong to sugar free products. Our study found that most of the medicines reviewed in the MIMS Malaysia 2016 were under Group C (134 of total 282). There is still a high number of sugar-containing medicines despite the promotion of sugar-free medication. Therefore, consumers need to be educated on the use of sugar-free medicines in children to increase the demand and availability in the market.
  9. Reem Abdelgabar Abdalla Musa, Siti Noor Fazliah Mohd. Noor, Sa'adiah Shahabudin, Rohayu Hami
    MyJurnal
    Oral cancer remains as a worldwide health issue. In Malaysia, oral neoplasm contributed about 10.6% death at the government hospitals. The significant consequences of delaying referral and poor prognosis of oral cancer was mainly due to the lack of knowledge among public. This study aims to determine the level of awareness and knowledge on oral cancer among students with non-medical background in Kepala Batas, Pulau Pinang, Malaysia. A cross sectional study using questionnaires were conducted among systematically randomly selected 275 non-medical background students aged 18 years old and above. The association of smoking habit with oral cancer awareness and knowledge was evaluated using chi-square test. Factors associated with the knowledge were determined at both univariable and multivariable levels using simple logistic and multiple logistic regression analyses respectively. Oral cancer awareness level was high among the students (85%) even though knowledge on early signs of oral cancer was low (19 years old has 1.96 time the odds compared to students aged ≤19 to have poor knowledge while Malay has 4.28 time the odds compared to Indian to have poor knowledge. Although smoking was observed as the most recognisable risk factor of oral cancer (82%), the smoking prevalence was relatively high (46.9%). The smokers in this study had low awareness and knowledge on oral cancer compared to the non-smoker. Hence, preventive measures adopting knowledge transfer should be proposed to enhance individual awareness and knowledge on oral cancer with Smoking cessation programme to help the smoker to quit smoking
  10. Kelvin Yong Pui Szi, Wan Afiqah Syahirah Wan Ghazali, Siti Fadilah Abdullah, Norzaliana Zawawi, Thirumulu Ponnuraj Kannan
    MyJurnal
    Clinacanthus nutans (C. nutans), a well-known ethnopharmacological plant consumed for its medicinal purposes by Southeast Asian communities. C. nutans is said to possess antipyretic, inflammatory, antiedemic as well as analgesic properties and used traditionally in treating various skin ailments, Herpes infection, cancer and diabetes. The young leaves of this C. nutans are consumed in Malaysia for maintaining health. In this study, the proliferative activity of human gingival fibroblast cells (HGF-1, ATCC®CRL-2014™, USA) treated with the ethanol extract obtained from C. nutans leaves at three different concentrations (250, 125 and 62.5 µg/ml) was compared with the untreated cells using alamarBlue assay. The proliferative activity of HGF-1 using alamarBlue assay showed that the cells treated with 62.5 μg/ml of ethanolic extract of C. nutans leaves exhibited increased proliferation compared to the other groups and hence does not exhibit any cytotoxicity on HGF-1.
  11. Noraida Mamat, Shani Ann Mani
    MyJurnal
    Dental caries and gingivitis are common oral health problems affecting schoolchildren worldwide. Effective tooth brushing in children is fundamental in preventing dental caries and gingivitis and maintaining good oral health. Children routinely present with unsatisfactory oral hygiene due to poor compliance and poor dexterity in tooth brushing. The purpose of the present study was to evaluate the effectiveness of a novel T-shaped toothbrush in plaque removal and gingival health among children and to obtain feedback regarding its use. Nineteen participants aged 8-10 years who fulfilled the criteria enrolled in this study. The children were taught the proper technique of using the new toothbrush and instructed to use it for a period of 2 weeks. The plaque scores and gingival scores were measured at baseline and after 2 weeks. They were asked to complete a questionnaire regarding the use of the toothbrush after 2 weeks. Statistical analysis was performed using t-test. There was a statistically significant (p
  12. Azlan Jaafar, Wan Mohamad Nasir, Nazirah Ab Mumin, Nur Najwa Athirah Elias, Muhaimin Afnan Mohd Sabri
    MyJurnal
    One of the roles expected of dental personnel is to promote dental seeking behaviour to the public. It is to ensure that adults maintain an optimum number of teeth for overall health and quality of life by enabling them to eat, speak and socialise without pain, discomfort or embarrassment. The objective of this study was to determine the reasons for seeking dental care and the factors that influence this decision among adult patients. This was a retrospective study of clinical records among patients of 18 years old and above who attended Universiti Sains Islam Malaysia (USIM) Dental Polyclinic, an academic dental centre, for the first time from January 2015 to December 2016. Socio-demographic data on age, gender and occupation as well as the reason for the visit were retrieved from the clinical records. Analysis of data was conducted using SPSS software version 21.0 and the pvalue was set at p
  13. Muhammadazril Mohd Saad, Nur Amin Abd Rahman, Khairani Idah Mokhtar, Noraini Abu Bakar, Azrul Fazwan Kharuddin, Wan Rohani Wan Taib
    MyJurnal
    Polymorphism in PAX9 (rs8004560), a gene responsible for craniofacial and tooth development, is often associated with Class II/Div2 malocclusion. This study aimed to detect the presence of PAX9 SNP (rs8004560) and to determine its genotype and allele distribution in Class II skeletal base malocclusion, contributed by retrognathic mandible, in the local Malaysian population. The association of PAX9 SNP (rs8004560) with Class II skeletal base malocclusion was also determined. A case control study was performed on 30 samples; 15 from Class II skeletal base malocclusion, and 15 from Class I skeletal base subject as control. Cephalometric measurements were performed prior to saliva samples collection. Genomic DNA was extracted from unstimulated saliva of all subjects, and the DNA was amplified using specific primers for marker rs8004560, followed by genotyping by sequencing. SHEsis online software was used to analyse Hardy-Weinberg Equilibrium (HWE) for cases and controls. Allelic and genotypic frequencies were compared between cases and controls. Significant difference in allele frequency was observed within the group whereby G allele was over-represented in the analysed population (p0.05). Although no genetic association between PAX9 SNP (rs8004560) with Class II skeletal base malocclusion was observed, significant difference in allele frequency observed might provide some indication in the involvement of PAX9 polymorphism in Class II skeletal base malocclusion contributed by retrognathic mandible. Further research utilising larger sample size will be required in order to determine the role of PAX9 gene in the aetiology of Class II skeletal base malocclusion observed in the local Malaysian population.
  14. Nurul Syeha Abdull Rasid, Farah Wahida Abdul Manab, Nor Shahida Abdul Mutalib, Hamidah Mamat, Irfan Mohamad
    MyJurnal
    Renal cancer is a rare occurrence in all adult malignancies, and renal cell carcinoma (RCC) is the most common type. Due to its aggressive behaviour and high tendency for metastasis, manifestation of RCC varies, often with non-urologic features or symptoms from metastatic sites. Metastatic RCC to the head and neck region is rare particularly to the tongue are extremely rare. We report an elderly lady who presented with recurrent tongue mass metastasis from RCC, a rare cancer with even rarer metastatic site.
  15. Mohd Shaiful Nizam Mamat Nasir, Bathma Dhevi Susibalan, Muhammad Nasri Abu Bakar, Suhaimi Yusof, Arfahiza Selimin, Kahairi Abdullah, et al.
    MyJurnal
    Primary thyroid lymphoma is a relatively uncommon pathology of the thyroid gland that mainly occurs in elderly females. We describe a rare case of B-cell thyroid lymphoma in a young healthy male. It is an important diagnosis to be considered in patients presenting with a rapidly enlarging neck mass as its management is different from other differentiated thyroid carcinoma which require total thyroidectomy plus adjuvant radioactive iodine ablation. Our report emphasizes the need for clinical awareness leading to early detection, followed by early multidisciplinary management.
  16. Hamasha, Abed Al-Hadi, Almogbel, Lolowh, Alshehri, Abeer, Alssafia, Fatimah, Alghamdi, Hanan, Alajmia, Alanoud, et al.
    MyJurnal
    Upon reviewing the literature, the prevalence of many systemic conditions such as diabetes,
    hypertension, asthma and rheumatoid arthritis were reported to be high in Saudi Arabia. The relationship of these
    conditions with tooth loss among Saudi population was not investigated. Therefore, the aim of the present study
    is to explore the relationship between tooth loss and most common medical conditions among Saudi dental
    patient. The study participants were 250 patients who were randomly selected from the College of Dentistry
    database of King Saud bin Abdulaziz University for Health Sciences (KSAU-HS) in Riyadh, Saudi Arabia.
    Participants were requested to answer self-administered questionnaires related to their demographic as well as
    general health questions concerned to the presence of systemic medical conditions. Missing teeth were
    determined after examining the orthopantogram radiographs and reviewing the Romexis and SALUD databases.
    Descriptive statistics, independent t-test and linear multiple regression model were performed using SPSS
    software. The mean number of missing teeth among the study population was 5.8 teeth per person. The mean
    number of missing teeth was higher among subjects with diabetes, hypertension, rheumatoid arthritis,
    cardiovascular diseases, or osteoporosis compared to healthy individuals. A multiple linear regression analysis
    model revealed that diabetes, hypertension and rheumatoid were significant predictors of missing teeth among
    Saudi population. These results highlight the importance of the effect of medical conditions on oral health.
  17. Nor Farid Mohd Noor, Mohamad Ezany Yusoff, Suharni Mohamad, Ahmad Mukifza Harun, Shahril Yusof
    MyJurnal
    Staphylococcus aureus (S. aureus) is an important bacterium with significant pathological implications
    in the field of medicine. Attempting to cure bacterial infections at an advanced stage results in considerable waste
    of time, effort and expenditure. Thus, the prevention of such illnesses is paramount. Besides using chemical
    drugs to treat infections, several non-organic extracts have been tested in trials and been shown to impede the
    bacteria’s growth. This paper proposes that the modified hydrothermal nanotitania extract has great potential to
    combat this lethal organism. The viability of S. aureus was shown to be markedly reduced following the addition
    of nanotitania extract with 0.01%, 0.03% and 0.05% silver after 24, 48, and 72 hours. The ability of the
    nanotitania extract to inhibit the growth of S. aureus indicates its antimicrobial characteristics.
  18. Asfizahrasby Mohd Rasoul, Norliwati Ibrahim
    MyJurnal
    Tornwaldt (Thornwaldt) or nasopharyngeal cyst is a cyst occurred at the connection site of
    pharyngeal endoderm and notochord remnant, usually located in the midline postero-superior wall of
    nasopharynx. Nasopharynx’s obstruction, recurrent infection or trauma may exacerbate mucous secretion
    by the potential space lining. Although rare and is usually symptomless, it is not uncommon for the patients
    to have some nasal, ear, cervical or oral symptoms. We report a case of Tornwaldt cyst with rare
    associated dental symptoms. The patient’s initial presentations were dry mouth, cheek biting, post nasal
    drip and few nasal symptoms including frequent snoring, sleep apnoea, mouth breathing, sneezing, sore
    throat and itchiness. These symptoms were tremendously and immediately relieved once the cyst was
    surgically removed.
  19. Mohd Nor NA, Abdul Razak I, Ab-Murat N, Ismail N, Ibrahim F
    MyJurnal
    Tobacco usage among dental students and the amount of training they received may have an impact on tobacco cessation activities undertaken for their patients. This study aims to assess Malaysian dental students’ tobacco use, exposure to second-hand smoke and their attitude towards tobacco control activities and curriculum. This was a cross-sectional study using a self-administered questionnaire adapted from the Global Health Professions Students Survey (GHPSS). The questionnaire was distributed to all Malaysian fourth and fifth year
    dental students in four public dental schools (n=372), namely University of Malaya (UM), Universiti Teknologi Mara (UiTM), Universiti Kebangsaan Malaysia (UKM) and Universiti Sains Islam Malaysia (USIM). The data were analysed using descriptive and chi square tests. In total, (n=349) respondents completed the questionnaire, yielding a 93.8% response rate. Although the prevalence of Malaysian dental students who ‘ever smoked’ was 21.2%, the prevalence of current smokers was low (2.3%). About 62% and 39% of students reported having been exposed to second-hand smoke in public and at home, respectively. USIM students were significantly less likely to recall having received training about approaches to smoking cessation (52.9%, p<0.001). Significantly fewer smokers than nonsmokers agreed on tobacco banning policy. Regardless of their smoking status, the majority of dental students showed positive attitudes towards dentists’ role in tobacco cessation. Tobacco user among Malaysian dental students was low. There were statistically significant differences between ever smokers and non-smokers’ attitudes towards tobacco banning policy. The majority of dental students showed positive attitudes towards dentists’ role in
    tobacco cessation.
    Keywords: Attitudes; GHPSS; public health; smoking; tobacco
  20. Ahmad Sahril Hussin, Nik Azrizie Muhamed, Haryati Husin, Irfan Mohamad
    MyJurnal
    Intramuscular haemangioma is relatively rare and accounts for less than 1% of all haemangioma.
    Most of these tumours occur in the trunk, arms and legs. Only 14% of all intramuscular haemangioma arise
    from the head and neck region, with masseter muscle representing the most common site of involvement,
    followed by the trapezius and sternocleidomastoid muscles. We present a case of a 60-year-old man with a
    soft lump in the left cheek. Imaging of the neck showed irregular, dilated enhancing vessels seen in the left
    masseter muscle suggestive of intramuscular haemangioma. Excisional biopsy was performed, and
    histopathological findings confirmed the diagnosis.
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