Displaying publications 1 - 20 of 547 in total

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  1. Wan Noor Rabiatul Akmalia Wan Abd Razak, Yushaini Ahmad
    MyJurnal
    Delayed tooth eruption (DTE) is the emergence of a tooth into oral cavity that
    deviates from norms established for different races, ethnics and sexes, which commonly caused
    either by local or systemic conditions. (Copied from article).
    Matched MeSH terms: Tooth; Tooth Abnormalities; Tooth Eruption
  2. Ang, Grace, Jacqueline Maryam Kamaluddin, Wizziyiane Ahmad, Uday Kumar Umesan, Siti Waznah Wahab, Naing, Lin
    MyJurnal
    his study assesses inter-examiner reproducibility in recording various malocclusion parameters and Index of Orthodontic Treatment Need (IOTN) grade during patient examination by utilising the kappa statistic. Five previously calibrated orthodontists clinically examined 233 non-orthodontically treated schoolchildren aged 14-17 years for recording various malocclusion parameters. The examination was repeated twice, thirty days apart and precluded the use of study-models or radiographs. Although good inter-examiner reproducibility was observed in recording incisor class, IOTN dental health grade, type of posterior crossbite, and excellent for parameters with absolute criteria like
    erupted supernumeraries, etc, substantial examiner variation resulted in only fair reproducibility for recording IOTN esthetic category, canine class, overbite category, traumatic overbite and upper centre-line shift of two millimetres or more from the facial midline. Reproducibility for detecting occlusal displacement in the presence of crossbite was poor, and kappa statistic was incalculable for recording openbite and number of upper incisors rotated 30° or more. Kappa was also incalculable for recording IOTN dental health subcategory due to the creation of asymmetric tables caused by rarely chosen subcategory options. Despite prior agreement between previously calibrated examiners on evaluation criteria, detection of certain malocclusion parameters during an epidemiological examination can prove to be challenging. Epidemiological studies that report on prevalence of malocclusion in the population should always report on the kappa reproducibility, especially if the study is carried out by multiple examiners.
    Matched MeSH terms: Tooth Eruption
  3. Chew LT, Bradley DA, Mohd AY, Jamil MM
    Appl Radiat Isot, 2000 9 26;53(4-5):633-8.
    PMID: 11003500
    Inductively Coupled Argon Plasma Atomic Emission Spectroscopy (ICP-AES) has been used to determine Pb, Zn and Cu levels in 47 exfoliated human teeth (all of which required extraction for orthodontic reasons). Lead concentrations for the group were 1.7 microg (g tooth mass)(-1) to 40.5 microg (g tooth mass)(-1). with a median of 9.8 microg (g tooth mass)(-1). A median lead level in excess of the group value was found for the teeth of six lorry drivers who were included in the study. A more significant enhancement was found for the seven subjects whose age was in excess of 60 years. The median values for Zn and Cu were 123.0 and 0.6 microg (g tooth mass)(-1) respectively. Present values for tooth-Zn are lower than published data for other ethnic groups.
    Matched MeSH terms: Tooth/metabolism; Tooth/chemistry*
  4. Shahrizaila N, Samulong S, Tey S, Suan LC, Meng LK, Goh KJ, et al.
    Muscle Nerve, 2014 Feb;49(2):198-201.
    PMID: 23649551 DOI: 10.1002/mus.23892
    Data regarding Charcot-Marie-Tooth disease is lacking in Southeast Asian populations. We investigated the frequency of the common genetic mutations in a multiethnic Malaysian cohort.
    Matched MeSH terms: Charcot-Marie-Tooth Disease/ethnology; Charcot-Marie-Tooth Disease/genetics*; Charcot-Marie-Tooth Disease/epidemiology*
  5. Sulong MZ, Aziz RA
    J Prosthet Dent, 1990 Mar;63(3):342-9.
    PMID: 2407832
    This is a review of the literature concerning wear related to the following materials used in dentistry: dental amalgam, composite resins, and glass-ionomer cements, as well as natural tooth substance. Discussions are included on both in vivo and in vitro studies in which various methods were used to help determine wear resistance.
    Matched MeSH terms: Tooth Abrasion*
  6. Hussein KW, Rajion ZA, Hassan R, Noor SN
    Aust Orthod J, 2009 Nov;25(2):163-8.
    PMID: 20043553
    To compare the mesio-distal tooth sizes and dental arch dimensions in Malay boys and girls with Class I, Class II and Class III malocclusions.
    Matched MeSH terms: Tooth/anatomy & histology; Tooth/pathology*; Tooth Crown/anatomy & histology; Tooth Crown/pathology
  7. Chua SH, Ong SCL, Liew YH
    BMJ Case Rep, 2017 Dec 22;2017.
    PMID: 29275396 DOI: 10.1136/bcr-2017-223371
    Internal jugular vein (IJV) aneurysm is a rare entity, and a thrombosed aneurysm poses diagnostic and management challenges. We came across a 53-year-old woman who presented with fever, vomiting and right neck swelling for a week. Laboratory investigations showed neutrophilic leucocytosis, raised acute phase reactant and blood culture yielded Klebsiella pneumoniae Ultrasound and contrast-enhanced CT neck revealed a large fusiform aneurysm of the right IJV with filling defect extending from the aneurysm into the right transverse sinus. There was a cavity at the right lower third molar tooth. MRI confirmed the findings with additional enhancing focus at right lower periodontal region. The swelling reduced after 2 weeks of medical therapy, and follow-up imaging 4 months later showed complete resolution of the aneurysm with residual thrombosis. After extensive workup, dental infection remains the only identifiable primary source leading to thrombophlebitis of the right IJV and subsequent sequelae.
    Matched MeSH terms: Tooth Diseases/complications; Tooth Diseases/microbiology
  8. Shoaib L, Deery C, Ricketts DN, Nugent ZJ
    Caries Res, 2009;43(6):442-8.
    PMID: 19907175 DOI: 10.1159/000258551
    The aim of this in vitro study was to assess the validity and reproducibility of the ICDAS II (International Caries Detection and Assessment System) criteria in primary teeth. Three trained examiners independently examined 112 extracted primary molars, ranging from clinically sound to cavitated, set up in groups of 4 to mimic their anatomical positions. The most advanced caries on the occlusal and approximal surfaces was recorded. Subsequently the teeth were serially sectioned and histological validation was undertaken using the Downer and Ekstrand-Ricketts-Kidd (ERK) scoring systems. For occlusal surfaces at the D(1)/ERK(1) threshold, the mean specificity was 90.0%, with a sensitivity of 75.4%. For approximal surfaces, the specificity and sensitivity were 85.4 and 66.4%, respectively. For occlusal surfaces at ICDAS code > or =3 (ERK(3) threshold), the mean specificity and sensitivity were 87.0 and 78.1%, respectively. For approximal surfaces, the equivalent values were 90.6 and 75.3%. At the D(3) threshold for occlusal surfaces, the mean specificity and sensitivity were 92.8 and 63.1%, and for approximal surfaces 94.2 and 58.3%, respectively. Mean intraexaminer reproducibility (Cohen's kappa) ranged from 0.78 to 0.81 at the ICDAS code > or =1 cut-off and at the ICDAS code > or =3 cut-off from 0.74 to 0.76. Interexaminer reproducibility was lower, ranging from 0.68 to 0.70 at the ICDAS code > or =1 cut-off and from 0.66 to 0.73 at the ICDAS code > or =3 cut-off. In conclusion, the validity and reproducibility of the ICDAS II criteria were acceptable when applied to primary molar teeth.
    Matched MeSH terms: Tooth, Deciduous/pathology*; Tooth Demineralization/diagnosis; Tooth Demineralization/pathology; Tooth Crown/pathology
  9. Al-Khatib AR, Rajion ZA, Masudi SM, Hassan R, Townsend GC
    Aust Orthod J, 2012 May;28(1):22-9.
    PMID: 22866590
    The development of three-dimensional computer imaging has many applications in dentistry, including the analysis of dental casts.
    Matched MeSH terms: Tooth Crown/anatomy & histology*
  10. Lim FY, Goo CL, Leung WK, Goh V
    Int J Environ Res Public Health, 2022 Dec 16;19(24).
    PMID: 36554823 DOI: 10.3390/ijerph192416944
    Oral Impacts on Daily Performances (OIDP) can be used as a generic or condition-specific oral health-related quality of life (OHRQoL) instrument. It offers different contexts on how dental conditions affect OHRQoL. This cross-sectional study aimed to validate a newly translated Malay OIDP (OIDP-M), compare OHRQoL, decayed, missing, or filled teeth (DMFT) in Malaysians, and investigate factors associated with OHRQoL. A total of 368 Malaysians were surveyed and examined for DMFT. Short-form oral health impact profile-Malaysia [S-OHIP(M)] and OIDP-M were used to measure OHRQoL. The OIDP-M was tested for reliability and validity. DMFT, S-OHIP(M), and OIDP-M between ethnicities were compared. Associations between ethnicity, DMFT, S-OHIP(M), and OIDP-M of Malays and Chinese were evaluated through partial correlation. Malays and Chinese had more filled teeth and DMFT compared with Indians. Malays reported worse OHRQoL through S-OHIP(M). Decayed teeth were positively associated with S-OHIP(M), physical, psychological, social disabilities, and handicap. For OIDP-M, decayed teeth were positively associated with OIDP-M, working, and sleeping. Missing teeth and ethnicity were positively associated with eating and speaking. Filled teeth were negatively associated with cleaning teeth. The OIDP-M was reliable and valid for evaluating OHRQoL. There were differences in DMFT and OHRQoL between ethnicities. Ethnicity affects OHRQoL, where Malays experienced worse OHRQoL due to dental problems.
    Matched MeSH terms: Tooth Loss*
  11. Balla SB, Banda TR, Galic I, N NM, Naishadham PP
    Forensic Sci Int, 2019 Apr;297:243-248.
    PMID: 30844636 DOI: 10.1016/j.forsciint.2019.02.009
    The aims of the present study were to validate the discriminatory potential of Cameriere's third molar maturity index (I3M) cut-off value of I3M 
    Matched MeSH terms: Tooth Apex/growth & development*
  12. Karim ZA, Musa N, Noor SN
    Malays J Med Sci, 2008 Jul;15(3):31-9.
    PMID: 22570587 MyJurnal
    Dental treatment under general anaesthesia may be needed for some children and adolescents due to medical or behaviour problem. The objective of the study is to identify the type of treatment that has been carried out under GA in Hospital Universiti Sains Malaysia (HUSM). A retrospective record review study from hospital records of dental patients (under 18 years old) receiving dental treatment under GA from 2003 until 2007 were retrieved from the database. Information such as the reason for GA, and the type of treatment provided was recorded in data sheet. The data were analyzed using SPSS 12.0.1 for Windows. It was checked and verified for errors. A total of 349 cases were treated of which 43.6% had medical problems. Patients were mostly diagnosed to have rampant caries (77.1%) and some of them have behavioural problems (34.4%). Treatment pattern in deciduous dentition revealed more extraction (97.8%) as compared to restoration (75.7%) whereas in permanent dentition more restoration was done (24.3%) as compared to extraction (2.2%). Majority of the restorations were done using Glass Ionomer Cements (47.5%). Biopsy (4.3%) contributed mainly to the surgery (24.1%) done during GA. General anesthesia is necessary when dental disease is interfering with health and general well-being of patient and it can facilitated dental treatment allowing dentists to benefit from improved treatment conditions and provide a higher quality of care.
    Matched MeSH terms: Tooth, Deciduous
  13. Sreetharan SS, Prepageran N, Satwant S
    Singapore Med J, 2004 Oct;45(10):487-8.
    PMID: 15455170
    Reports of ingested foreign bodies penetrating the pharynx and migrating through the neck are rare, and mostly involved fish bones. We describe a 44-year-old man who was involved in a motor vehicle accident and accidentally swallowed his tooth. The swallowed tooth penetrated the pharynx and became lodged adjacent to his right thyroid gland. It was successfully removed via neck exploration and the patient recovered well.
    Matched MeSH terms: Tooth; Tooth Fractures/complications
  14. Versiani MA, Ahmed HM, Sousa-Neto MD, De-Deus G, Dummer PM
    Braz Dent J, 2016 Sep-Oct;27(5):589-591.
    PMID: 27982239 DOI: 10.1590/0103-6440201601106
    The relationship of the main foramen to the anatomic root apex has been the subject of several studies. Although they are anatomically close, they rarely coincide, and their distance can vary according to age or tooth type, ranging from 0.2 to 3.0 mm. The aim of this short communication was to evaluate the distance between the main foramen of independent middle mesial canals (MMCs) and the anatomical mesial root apex of mandibular first molars using the micro-computed tomography. Twenty-five mandibular first molars with MMCs were scanned (resolution of 9.9 µm), and the distance from its main foramen to the anatomical apex was evaluated. Overall, the distance ranged from 0.2 to 2.4 mm; however, in 3 specimens the distance was greater than 3 mm. This report demonstrates that the exit of the main foramen of the MMC varies considerably and could approach a substantial distance from the anatomical apex greater than previously reported in the literature.
    Matched MeSH terms: Tooth Apex/pathology*
  15. Al-Amery SM, Nambiar P, John J, Purmal K, Ngeow WC, Mohamed NH, et al.
    J Vet Dent, 2018 Jun;35(2):96-102.
    PMID: 29865987 DOI: 10.1177/0898756418776448
    This case report illustrates the teeth morphology of a chimpanzee and its anatomical variations. A well-preserved skull of a male Pan troglodytes troglodyte chimpanzee was scanned using a cone-beam computed tomography machine. Measurements included tooth and crown height, root length, root canal length and width (posterior teeth), and pulp cavity length (anterior teeth). Nonmetrical parameters included number of canals and foramina per root of every root. Interestingly, the mandibular central incisor was longer than the lateral incisor, and all the mandibular anterior teeth presented with a solitary flame-shaped or conical-calcified structure in their pulp cavity. The premolars are usually dual rooted except for the first maxillary premolar that displayed 3 roots. Other unusual discoveries were the presence of bilateral radicular dens invaginatus in the mandibular first premolars and the possibility of having 2 canals and 2 foramina in the roots of the posterior teeth. The presence of conical stone mineralizations at the pulp cavity and the presence of dens invaginatus were of particular interest.
    Matched MeSH terms: Tooth Abnormalities/veterinary*
  16. Ponraj RR, Sarah Samson R, Nayak VS, Mathew M
    BMJ Case Rep, 2021 Jan 18;14(1).
    PMID: 33462052 DOI: 10.1136/bcr-2020-239438
    Matched MeSH terms: Tooth Root/abnormalities*
  17. Ngeow WC, Chai WL
    Med J Malaysia, 1999 Mar;54(1):146-50.
    PMID: 10972020
    This paper reviews the oral and dental lesions that are seen during pregnancy. Trimester approach should be adopted in the management of the pregnant patients. A good dental preventive programme is essential. The significance of prescribing fluoride supplements and the use of dental radiography during pregnancy is also briefly reviewed.
    Matched MeSH terms: Tooth Diseases/prevention & control*; Tooth Diseases/radiography; Tooth Diseases/therapy*
  18. Mohd. Bakri, M., Whittaker, D.A.
    Ann Dent, 2003;10(1):-.
    MyJurnal
    The ultrastructure of the odontoblast reflects the certain phases that the cell undergoes in their lifecycle. Ultrastructure studies of the odontoblasts have often been carried out using young teeth. In this study, teeth from an older individual have been used to study the odontoblasts from the crown and root area. The odontoblasts from the crown area retain their columnar shape while odontoblasts from the root area appeared to be flattened. The organelles present in the odontoblasts either from the crown or root area was observed to be reduced.
    Matched MeSH terms: Tooth; Tooth Root
  19. Jaafar N, Razak IA, Nor GM
    Singapore Dent J, 1989 Dec;14(1):39-41.
    PMID: 2487474
    Although the patterns of dental disease is gradually changing, caries and periodontal disease still account for the most important reason for extractions in most countries. However their relative contributions towards overall tooth mortality figures varies. The aim of this study is to investigate the types of teeth usually associated with extractions due to caries or periodontal disease and its relation to the age at which the tooth was lost. The highest proportion of extractions due to caries occurred between 21 to 30 years of age while that for periodontal disease occurred between 41 to 50 years. For caries, the greatest proportion of extractions involved the posterior teeth. The most frequently extracted teeth due to caries are the molars, in particular the first permanent molar. However, for periodontal disease a slightly greater proportion of anterior teeth were lost than the posteriors. This trend is more marked in the lower jaw than the upper. Overall, extractions related to caries tend to increase posteriorly, while that for periodontal disease tend to increase anteriorly.
    Matched MeSH terms: Tooth Extraction/statistics & numerical data*; Tooth Loss/etiology*; Tooth Loss/epidemiology
  20. Lui JL
    Endod Dent Traumatol, 1992 Feb;8(1):36-8.
    PMID: 1396360
    A method of treating an apical root fracture with accompanying resorption at the junction of the fracture fragments using glass-cermet cement is described. Endodontically, the material had previously been used for repair of lateral resorptive root defects and retrograde root fillings. Complete bone regeneration was observed three years post-operatively following treatment of the root fracture in the conventional manner. The various advantages of glass-cermet cement as a root filling material used in the technique described are discussed.
    Matched MeSH terms: Tooth Fractures/complications; Tooth Fractures/therapy*; Tooth Root/injuries*
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