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  1. A retrospective analysis of oral and maxillofacial biopsied specimens in Malaysian newborns and infants
    Binti Shuhairi NN, Bt Abdul Jalil A, Lau SH, Bt Mohd Ghazali S, Kee CC
    Int J Paediatr Dent, 2021 Jul;31(4):496-503.
    PMID: 32815206 DOI: 10.1111/ipd.12719
    BACKGROUND: Globally, research on oral and maxillofacial lesions among newborns and infants remains limited.

    AIM: To describe demographic patterns, histopathological findings, and locations of oral and maxillofacial lesions in newborns (birth-1 month) and infants (>1 month-2 years) reported over 51 years.

    DESIGN: A retrospective cross-sectional study on histopathological records of newborns and infants was conducted. Patients' demographic characteristics (age, gender, and race), histopathological diagnosis, and lesion's location were gathered. Pearson's chi-square or Fisher's exact test was performed to determine associations between demographic characteristics and different categories of lesions.

    RESULTS: Out of 66,546 specimens received, 0.44% (290 specimens) were from patients aged 2 years and younger (27 newborns and 263 infants). The most common category was inflammatory/reactive (44.2%), followed by tumour/tumour-like (42.0%), cystic/pseudocystic (6.6%), and miscellaneous lesions (5.5%). Mucous extravasation cysts (23.4%) and Langerhans cell histiocytosis (7.2%) were the most common histopathological diagnoses. Tumour/tumour-like lesions were significant in newborns (P = .021), and majority were congenital epulis (40.7%). Inflammatory/reactive lesions were significantly higher in male (P = .025) and infants (P = 

  2. Fulltext Antibacterial Activity of Myristica fragrans against Oral Pathogens
    Shafiei Z, Shuhairi NN, Md Fazly Shah Yap N, Harry Sibungkil CA, Latip J
    Evid Based Complement Alternat Med, 2012;2012:825362.
    PMID: 23049613 DOI: 10.1155/2012/825362
    Myristica fragrans Houtt is mostly cultivated for spices in Penang Island, Malaysia. The ethyl acetate and ethanol extracts of flesh, mace and seed of Myristica fragrans was evaluated the bactericidal potential against three Gram-positive cariogenic bacteria (Streptococcus mutans ATCC 25175, Streptococcus mitis ATCC 6249, and Streptococcus salivarius ATCC 13419) and three Gram-negative periodontopathic bacteria (Aggregatibacter actinomycetemcomitans ATCC 29522, Porphyromonas gingivalis ATCC 33277, and Fusobacterium nucleatum ATCC 25586). Antibacterial activities of the extracts was determined by twofold serial microdilution, with minimum inhibitory concentrations (MIC) ranging from 1.25 to 640 mg/mL and 0.075 to 40 mg/mL. The minimum bactericidal concentration (MBC) was obtained by subculturing method. Among all extracts tested, ethyl acetate extract of flesh has the highest significant inhibitory effects against Gram-positive and Gram-negative bacteria with mean MIC value ranging from 0.625 to 1.25 ± 0.00 (SD) mg/mL; P = 0.017) and highest bactericidal effects at mean MBC value ranging from 0.625 mg/mL to 20 ± 0.00 (SD) mg/mL. While for seed and mace of Myristica fragrans, their ethanol extracts exhibited good antibacterial activity against both groups of test pathogens compared to its ethyl acetate extracts. All of the extracts of Myristica fragrans did not show any antibacterial activities against Fusobacterium nucleatum ATCC 25586. Thus, our study showed the potential effect of ethyl acetate and ethanol extracts from flesh, seed and mace of Myristica fragrans to be new natural agent that can be incorporated in oral care products.
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