Displaying publications 1 - 20 of 227 in total

  1. Khoo SP, Lian CB
    Ann Dent, 1995 Summer;54(1-2):53-5.
    PMID: 8572549
    Spindle-cell lipoma (SCL) of the oral cavity is very rare. There are only four such reported cases in the literature. A concise literature review of SCL and a case report of a SCL affecting the cheek and lip of a 23-year-old man is presented.
  2. Nik-Hussein NN, Majid ZA
    Ann Dent, 1993;52(2):9-11.
    PMID: 8267378
    A case is described in which a compound odontoma erupted into the oral cavity in an 8 1/2-year-old girl. The odontoma was initially discovered as a chance radiographic finding 2 years 8 months previously.
  3. Boon LC, Phaik KS, Khanijow V
    Ann Dent, 1991;50(2):28-32.
    PMID: 1785911
    Desmoid tumor of the mandible, or desmoplastic fibroma, is a rare disease with only a few cases reported in the literature. This paper presents the rare case of an elderly male with desmoplastic fibroma of the mandible with an uncommon accompanying proliferative myositis. The case is discussed with emphasis on the clinical presentation, differential diagnosis and treatment of this lesion.
  4. Ng KH, Siar CH, Loh HT
    Ann Dent, 1991;50(2):26-7.
    PMID: 1785910
    The clinical and histologic features of Kimura's disease are briefly outlined. A case presenting as a subcutaneous nodule in the region of the angle of the right mandible of a 20-year-old male is presented. The relationship of this disease to angiolymphoid hyperplasia with eosinophilia is discussed.
  5. Ng KH, Siar CH, Abdul Latif H
    Ann Dent, 1992;51(1):29-31.
    PMID: 1632624
    Leiomyomas are benign neoplasms of smooth muscle origin. They represent rare entities in the oral cavity. A case arising from the incisive papilla region of a 3-month-old infant is described and the histogenesis as well as the biologic potential of this tumor are discussed.
  6. Siar CH, Ng KH, Ngui CH
    Ann Dent, 1992;51(1):27-8.
    PMID: 1632623
    A case of denture hyperplasia of the upper labial sulcus with concomitant oncocytic metaplastic changes is described. The patient concerned is an elderly male wearing an ill-fitting upper full denture.
  7. Soo, W.K.M., Thong, Y.L.
    Ann Dent, 2002;9(1):-.
    Simulated canals in clear resin blocks have been widely used in pre-clinical endodontic teaching. The artificial canal provides direct visualisation of procedures in root canal treatment. Stanuardised simulated root canals have been produced in the Faculty of Dentistry, University of Malaya for dental education and research. The canals are easy and inexpensive to construct. An outline of the method of construction of resin simulated canals is presented in this paper.
  8. Jaafar, N, Razak, I.A.
    Ann Dent, 2002;9(1):-.
    The objective of the study was to attempt to verify the cause of self-reported oro-facial pain among 12-yearold children, objectively via a clinical examination. This is a descriptive, cross-sectional survey using a combination of self-reported questionnaire, face-to-face interview and clinical oral examination. The children were first asked to answer a self-filled questionnaire about their oro-facial pain experience in the past 4- weeks. In order to verify its cause, a clinical examination and an interview followed. Normative oral health status data was also collected. The sample was 1492 Malay schoolchildren with diverse socioeconomic background from the states of Johore, Kelantan and Sabah. The sample size for each state was calculated to give a sampling error of not more than 5 %. In each state, quota sampling was done to achieve a balanced distribution between gender and location. The data collected were normative status for caries, periodontal disease and traumatized teeth. Orofacial pain experience represented the subjective status for oral well-being. The cause of pain was confirmed through a clinical examination. The normative oral health status data implies a very low untreated disease and good oral health among the schoolchildren. However the subjective health status, as reflected by the prevalence of pain suggested that oro-facial pain and suffering was high (27.3%) with about 49% "of moderate and severe" intensity. The two main causes were caries and mouth ulcers. However in about onequarter of pain cases, diagnosis cannot be confirmed in the field survey setting. More than one-half of those with pain experienced disturbed sleep and study. It was concluded that overall oral health status and well-being can be better described if normative data is complemented with subjective data such as pain prevalence. The study shows that the majority (more than 75 %) of cases of subjective pain can be objectively verified in a field epidemiology survey setting. The reliability of the subjective data can be improved by a clinical examination as compared to unverified self-report. The study also confirms that the major source of oro-facial pain among the 12 year-olds were caries and mouth ulcers.
  9. Chai WL, Yong CK, Ngeow WC
    Ann Dent, 2003;10(1):22-26.
    Most prosthetic joint infections originate from wound contamination or haematogenous seeding from distant sites of infection. Bacteraemia may follow dental treatment but there is little evidence of it related to prosthetic joint infection. Nevertheless, controversy continues with regards to the effect of dental treatment in patients with prosthetic joints. This article reviews current English literature regarding the use of antibiotic prophylaxis in the dental management of patients with prosthetic joints. Routine antibiotic prophylaxis is not recommended for every patient with prosthetic joints when receiving dental treatments. However, antibiotic prophylaxis may be prescribed for high-risk groups with predisposing factors to infection when undergoing dental treatment with high risk of bacteraemia.
  10. Annuar, W.A., Abdullah, H.
    Ann Dent, 2003;10(1):-.
    This study is conducted to compare two resin luting cements (Rely XTMARC,3M and Compolute™ESPE) on their microleakage with one composite inlay system (Filtek™ Z250 Universal Restorative Materials, 3M). Thirty conventional inlays, Class II MOIDO cavity with gingival margin I mm above the cementoenamel junction, were prepared in premolar teeth. The composite inlays were fabricated directly on the prepared teeth using layering technique. Fifteen of the inlays were cemented with RelyTMX ARC and fifteen with Compolute™ (ESPE). The specimens were kept at 370 C for 10 days before thermocycling and immersed in methylene blue 2% solution for 24 hours. The teeth were sectioned mesio-distally. The site and degree of leakage of each section was scored using a visual scoring system under a stereomicroscope at a magnification of 1.5X. Results showed that there was no significant difference in'leakage extent (p>O.05), between Rely X™ARC and Compolute™. For both materials, leakage occurred most commonly within the enamel surface and between the cement-tooth interfaces. None of the leakage occurred between inlay - cement interface. There is no significant difference in the extent of leakage between Rely XTMARC compared to Compolute™.
  11. Che Ab Aziz, Z.A., Abdullah, M., Vello, C.D.S., Thangavelu, K.
    Ann Dent, 2006;13(1):12-17.
    Background: Majority of root canal treatment in Malaysia was provided by general dental practitioner. The purpose of this study was to evaluate the knowledge and practice (canal’s preparation, use of materials) by them. Methods: A questionnaire was structured and distributed to 120 registered general dental practitioners in selected areas in Perak, Johor and Klang Valley regarding the provision of root canal therapy in their practices. The questionnaires were hand delivered and collected after 1 to 2 weeks. Results: Reply rate was 95% (n=114). The result demonstrated that 62% respondents indicated that they performed the root canal therapy (RCT) themselves. Out of these only 26% included molars in the treatment. Three quarters of them (77%) used step-back technique and 54% used stainless steel instruments to prepare the canals. The majority of the respondents (69%) used calcium hydroxide as intracanal medicaments. Only 30% used rubber dam for isolation whereas the rest used cotton rolls. The numbers of routine radiographs taken were two for anterior teeth and three for molar. Half of the respondents indicated that they usually completed the RCT for the anterior tooth within two visits whereas three visits were needed for the molar tooth. The results were analyzed descriptively. Conclusions: This study indicates that most of the general dental practitioners’ do not comply with quality standards guidelines such as use of rubber dam as isolation. Cotton roll was the most popular isolation method. In spite of this, most of the respondents tend to update their knowledge and practices with current techniques and materials.
  12. Radzi, Z., Yahya, N.A., Kasim, N.H.A., Ismail, N.H., Ismail, N.A., Zamzam, N
    Ann Dent, 2006;13(1):18-23.
    Introduction: Owing to the variety of materials and methods employed, comparison of the results and findings from bonding studies is difficult. Until recently, several types of teeth have been used in published research papers as a substrate in orthodontic bonding research including bovine incisors, fresh and rebonded human premolars. Objectives: The purpose of this study was to compare the shear bond strength of an adhesive bonded to different tooth surfaces (human premolar, bovine incisor and rebonded human premolar). Methods: Two groups of thirty premolar teeth and one group of bovine incisors had brackets attached in a standardized manner using Transbond XT (3M Unitek). The adhesive was cured using conventional halogen light and a specially designed tool to standardize the distance between the light curing tip and the adhesive. The debonding force was measured using Instron universal testing machine. ANOVA and Post Hoc Dunnett C test were performed to determine any significant difference among groups (p
  13. Ab Murat, N., Watt, R.G.
    Ann Dent, 2006;13(1):1-5.
    The main aim of this study is to get the Malaysian chief dentists’ perceptions of the oral health promotion activities currently taking place in their respective states in terms of the strengths and weaknesses of these activities. A qualitative method using an open-ended questionnaire was used to obtain this information. The study samples consist of all the chief dentists in Malaysia who represented a majority of population in their states. The results showed that the main current oral health promotion activities is dental health education talks which aims to disseminate oral health information through health education talks, toothbrushing drills, dental exhibition, pamphlets, brochures and publications. Half of the respondents felt that the commitment of the staff, the support of the public sectors and collaboration with other agencies are the main strengths while the lack of staff and fund has been said as the weaknesses. A range of opportunities however exist to strengthen oral health promotion in Malaysia.
  14. Lui, J.L., Chan, C.L., Yap, K.T.
    Ann Dent, 2006;13(1):6-11.
    The aim of the study was to determine the depth of cure of a new nanocomposite when exposed to different curing times and also when different shades were polymerized. The nanocomposite, Filtek Supreme (3M ESPE), was packed into 96 plastic cylindrical moulds measuring 4 mm in internal diameter and 8 mm in length and then polymerized using a conventional quartz-tungsten-halogen light curing unit. The first part of the study involved curing 16 samples each of A2 shade of the nanocomposite at exposure times of 20s, 40s, 60s and 120s. For the second part, a similar number of samples of the dentinal opacity shades of A2, B3 and A4 of the nanocomposite were polymerized at a constant exposure time of 40s. The depth of polymerization of the nanocomposite in each sample was measured using a digimatic indicator. Curing depths were found to increase significantly (P < 0.05) with longer exposure time (20s < 40s < 60s < 120s) and decrease significantly with darker shades (A2 > B3 > A4).
  15. Baharuddin, N.A., Kamin, S., Samsuddin, A.R.
    Ann Dent, 2003;10(1):-.
    This study evaluated the effectiveness of demineralized freeze-dried bone xenograft in reducing post-surgical pocket depth in moderate to advanced adult periodontitis in patients. Nine patients with a total of eighteen intrabony defects were selected for this study. The bony defects were matched for tooth type, location and pocket depth. Following an initial non-surgical treatment, only pockets of 5 to 7 mm deep were indicated for surgery. Periodontal pockets were measured pre-operatively and at 3, 6 and 9 months post-surgically. The study protocol included a split mouth design, where surgical treatment was carried out at both test and control sites. The test sites were assigned demineralized freeze-dried bone xenograft and the control sites were subjected to debridement alone without the use of demineralized freeze-dried bone xenograft. The results from this study showed a statistically significant difference in the mean pocket depth at 6 and 9 months post-operatively for both test and control groups, but there was no statistically significant difference at 3 months. In conclusion, demineralized freeze-dried bone xenograft was ineffective in reducing periodontal pocket depth in patients with moderate to severe periodontitis, as compared to surgical debridement alone.
  16. Dong, K.Y., Chan, M.S., Ong, S.T.
    Ann Dent, 2002;9(1):-.
    Twenty-one patients who underwent ablative surgery for head and neck cancer at Bristol Dental Hospital and School, England between the years 1996 and 2002 were enrolled in the study. A self-completed questionnaire based on Head and Neck Specific measures was addressed to the patients. The overall post-operative quality of life among these patients is acceptable. About half of the patients complained of moderate to severe difficulty in opening mouth wide (55%) and dry mouth (45%) and about one-third had major problems in swallowing solid food (36%), sleep disturbance (32%), trouble eating and enjoying meals (32%) and speech problems (32%). The study shows a tendency for the quality of life to improve steadily with increasing post-operative interval. It is hoped that the results will provide an insight into the patients' functional and psychological recovery, which will in turn help to facilitate the planning of appropriate strategies to improve their quality of life.
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