Displaying all 19 publications

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  1. Alkaisi A, Ismail AR, Mutum SS, Ahmad ZA, Masudi S, Abd Razak NH
    J Oral Maxillofac Surg, 2013 Oct;71(10):1758.e1-13.
    PMID: 24040948 DOI: 10.1016/j.joms.2013.05.016
    The main aim of the present study was to evaluate the capacity of stem cells from human exfoliated deciduous teeth (SHED) to enhance mandibular distraction osteogenesis (DO) in rabbits.
  2. Ching YC, Poh NM, Ee KS, Feng LX, Mun YK, Mei TM
    PMID: 34863695 DOI: 10.1016/j.joms.2021.11.007
    PURPOSE: This regional 2-center study was designed 1) to analyze the clinical features of all patients with odontogenic orofacial infection as per type of visit, 2) to analyze the clinical features of diabetic patients compared with nondiabetic patients, and 3) to identify potential variables that may associate with long length of stay (LOS) of patients admitted for orofacial odontogenic infection in Northern Peninsular Malaysia.

    PATIENTS AND METHODS: All adult patients with orofacial odontogenic infections who attended the Oral and Maxillofacial Department of Hospital Raja Permaisuri Bainun and Hospital Sultan Abdul Halim from March 2015 to February 2019 were included. Data on patients' demography, medical history, smoking status, clinical presentation, and LOS were collected. Multivariate logistic regression analysis was performed using the dichotomous dependent variable, namely, short LOS (LOS <5 days) and long LOS (LOS ≥5 days).

    RESULTS: A total of 355 patients were reported with the mean age of 39.93 ± 15.95 years old. Multivariate analysis revealed that diabetes (adjusted odds ratio = 4.387, 95% confidence interval = 1.453 to 13.241, P value = .009) and multiple space involvement (adjusted odds ratio = 4.859, 95% confidence interval = 1.280, 18.454, P value = .020) were responsible for long LOS.

    CONCLUSIONS: Judicious treatment is recommended when treating patients of such infection that involved multiple spaces with underlying diabetes mellitus.

  3. Veeramuthu V, Hariri F, Narayanan V, Tan LK, Ramli N, Ganesan D
    J Oral Maxillofac Surg, 2016 Jun;74(6):1197.e1-1197.e10.
    PMID: 26917201 DOI: 10.1016/j.joms.2016.01.042
    The aim of the present study was to establish the incidence of maxillofacial (MF) injury accompanying mild traumatic brain injury (mTBI) and the associated neurocognitive deficits and white matter changes.
  4. Lim D, Ngeow WC
    J Oral Maxillofac Surg, 2018 06;76(6):1141-1142.
    PMID: 29596795 DOI: 10.1016/j.joms.2018.03.001
  5. Siar CH, Lim JS, Tang SP, Chia HS, Loh YM, Ng KH
    J Oral Maxillofac Surg, 2013 Oct;71(10):1688-93.
    PMID: 23773425 DOI: 10.1016/j.joms.2013.04.026
    To identify factors associated with concordance and discordance between clinical and histopathologic diagnoses of oral lichen planus lesions.
  6. Wajih WA, Shaharuddin B, Razak NH
    J Oral Maxillofac Surg, 2011 Jun;69(6):1740-4.
    PMID: 21272979 DOI: 10.1016/j.joms.2010.07.053
    A normally restored orbital structure after reconstructive surgery would accelerate the return of orbital function. The aim of the present study was to compare the outcomes of 2 orbital implants: autogenous grafts and porous polyethylene (Medpor).
  7. Alyessary AS, Yap AUJ, Othman SA, Rahman MT, Radzi Z
    J Oral Maxillofac Surg, 2018 03;76(3):616-630.
    PMID: 28893543 DOI: 10.1016/j.joms.2017.08.018
    PURPOSE: The present study investigated the effect of piezoelectric sutural ostectomies on accelerated bone-borne sutural expansion.

    MATERIALS AND METHODS: Sixteen male New Zealand white rabbits (20 to 24 weeks old) were randomly divided into 4 experimental groups (n = 4): group 1, conventional rapid sutural expansion; group 2, accelerated sutural expansion; group 3, accelerated sutural expansion with continuous ostectomy; and group 4, accelerated sutural expansion with discontinuous ostectomy. All sutural ostectomies were performed using a piezoelectric instrument (Woodpecker DTE, DS-II, Guangxi, China) before expander application with the rabbits under anesthesia. Modified hyrax expanders were placed across the midsagittal sutures of the rabbits and secured with miniscrew implants located bilaterally in the frontal bone. The hyrax expanders were activated 0.5 mm/day for 12 days (group 1) or with a 2.5-mm initial expansion, followed by 0.5 mm/day for 7 days (groups 2 to 4). After 6 weeks of retention, the bone volume fraction, sutural separation, and new bone formation were evaluated using micro-computed tomography and histomorphometry. Statistical analysis was performed using Kruskal-Wallis and Mann-Whitney U tests and Spearman's rho correlation (P 

  8. Ling XF, Peng X, Samman N
    J Oral Maxillofac Surg, 2013 Sep;71(9):1604-12.
    PMID: 23810616 DOI: 10.1016/j.joms.2013.03.006
    This study evaluated and compared the long-term donor-site morbidity of the free fibula flap with the deep circumflex iliac artery (DCIA) flap in maxillofacial reconstruction.
  9. Hasan MS, Chan L
    J Oral Maxillofac Surg, 2014 Oct;72(10):1920.e1-4.
    PMID: 24985961 DOI: 10.1016/j.joms.2014.03.032
    Treating children with cyanotic congenital heart disease poses many challenges to anesthesiologists because of the multiple problems associated with the condition. The anesthetic technique and drugs used perioperatively can affect a patient's physiologic status during surgery. The adherence to certain hemodynamic objectives and the avoidance of factors that could worsen the abnormal cardiopulmonary physiology cannot be overemphasized. In the present case series, we describe the use of a dexmedetomidine-ketamine combination for dental extraction in spontaneously breathing children with cyanotic congenital heart disease. The anesthetic concerns regarding airway management, the pharmacologic effects of drugs, and maintenance of adequate hemodynamic, blood gases, and acid-base status are discussed.
  10. Hariri F, Abdul Rahman ZA, Bahuri NFA, Azmi MN, Abdullah NA, Ganesan D
    J Oral Maxillofac Surg, 2018 03;76(3):646.e1-646.e12.
    PMID: 29268076 DOI: 10.1016/j.joms.2017.11.029
    Crouzon syndrome (CS) is the most common craniosynostosis syndrome and requires a comprehensive management strategy for the optimization of care and functional rehabilitation. This report presents a case series of 6 pediatric patients diagnosed with CS who were treated with distraction osteogenesis (DO) to treat serious functional issues involving severe orbital proptosis, an obstructed nasopharyngeal airway, and increased intracranial pressure (ICP). Three boy and 3 girls were 8 months to 6 years old at the time of the operation. The mean skeletal advancement was 16.1 mm (range, 10 to 27 mm) with a mean follow-up of 31.7 months (range, 13 to 48 months). Reasonable and successful outcomes were achieved in most patients as evidenced by adequate eye protection, absence of signs and symptoms of increased ICP, and tracheostomy tube decannulation except in 1 patient. Complications were difficult fixation of external stabilizing pins in the distraction device (n = 1) and related to surgery (n = 4). Although DO can be considered very technical and can have potentially serious complications, the technique produces favorable functional and clinical outcomes in treating severe CS.
  11. Rughubar V, Vares Y, Singh P, Filipsky A, Creanga A, Iqbal S, et al.
    J Oral Maxillofac Surg, 2020 Oct;78(10):1781-1794.
    PMID: 32589939 DOI: 10.1016/j.joms.2020.05.012
    PURPOSE: We aimed to compare complication rates and functional outcomes in patients with bilateral mandibular fractures treated with different degrees of internal fixation rigidity.

    PATIENTS AND METHODS: This international, multicenter randomized controlled trial included adults with bilateral mandibular fractures located at either the angle and body, angle and symphysis, or body and symphysis. Patients were treated with either a combination of rigid fixation for the anterior fracture and nonrigid fixation for the posterior fracture (mixed fixation) or nonrigid fixation for both fractures. The primary outcome was complications within 6 weeks after surgery. Secondary outcomes were complications within 3 months, Helkimo dysfunction index, and mandibular mobility at 6 weeks and 3 months after surgery.

    RESULTS: Of the 315 patients enrolled, 158 were randomized to the mixed fixation group and 157 to the nonrigid fixation group. The overall complication rate at 6 weeks in the intention-to-treat population was 9.6% (95% confidence interval [CI], 5.3% to 15.6%) in the mixed fixation group and 7.8% (95% CI, 4.0% to 13.5%) in the nonrigid fixation group. With an unadjusted odds ratio of 1.25 (95% CI, 0.51 to 3.17), there were no statistically significant differences in complication rates between the 2 groups (P = .591). A multivariable model for complication risk at 6 weeks found no significant differences between treatment groups, but patients with moderate or severe displacement had a higher complication rate than those with no or minimal displacement (adjusted odds ratio, 4.58; 95% CI, 1.16 to 18.06; P = .030). There were no significant between-group differences in complication rates at 3 months. Moreover, no significant differences in Helkimo dysfunction index and mandibular mobility index at 6 weeks and 3 months were found between groups according to treatment allocated and treatment received.

    CONCLUSIONS: A combination of rigid and nonrigid fixation in patients with bilateral mandibular fracture has similar complication rates and functional outcomes to nonrigid fixation for both fractures.

  12. Gunarajah DR, Samman N
    J Oral Maxillofac Surg, 2013 Mar;71(3):550-70.
    PMID: 23422151 DOI: 10.1016/j.joms.2012.10.029
    To evaluate the reported use and outcomes of implant materials used for the restoration of post-traumatic orbital floor defects in adults.
  13. Nabil S, Nordin R, Rashdi MF
    J Oral Maxillofac Surg, 2022 Nov;80(11):1784-1794.
    PMID: 36049531 DOI: 10.1016/j.joms.2022.07.144
    PURPOSE: The unprotected nature of motorcycle riding exposes motorcyclists to an elevated risk of sustaining facial soft tissue injuries (STIs); however, its link with underlying facial bone fractures remains unexplored. The purpose of this study is to determine whether the type and site of STI sustained by motorcyclists were associated with the presence of underlying facial bone fractures.

    MATERIALS AND METHODS: This was a retrospective cohort study of patients identified from the Oral and Maxillofacial Surgery Department of Universiti Kebangsaan Malaysia Medical Center trauma census who had motorcycle-related injury and met the inclusion criteria. The primary predictor variable was the type (laceration, contusion, abrasion, and no injuries) and site of STIs sustained. The site of the facial STI was categorized as per 17 different zones based upon the modified MCFONTZL classification. The primary outcome variable was the presence or absence of facial bone fractures as determined from the computed tomography scan. Descriptive and bivariate statistics were computed to measure the association between sustaining facial bone fractures and type/site of STI.

    RESULTS: Seventy three patients (65 men and 8 women) were included in this study. The average age was 31.9 years (standard deviation ± 13.6) with a range of 18 to 70 years. There were 1,241 facial zones being assessed with 285 (23%) and 214 (17%) zones having STI and fractures, respectively. Laceration (124/285, 43%) and the orbital zone (53/285, 19%) were the most common type and site of STI, respectively, among motorcyclists. Facial bone fractures are more commonly seen following STI in the midface (71% of STI had fractures) compared to upper face (53%) and lower face (31%). Sustaining laceration type of STI was not associated with a higher rate of facial bone fracture when compared with other type of STI (54.8% vs 55.9%, P = .858) with the exception of laceration in the frontal zone (42.9% vs 10.5%, P = .022).

    CONCLUSIONS: The different types of STI in the facial area cannot be used as a predictor for sustaining underlying facial bone fractures.

  14. Ng KT, Tay HW, Namkabir S, Kovilpillai FJ
    J Oral Maxillofac Surg, 2020 Oct;78(10):1766-1769.
    PMID: 32544473 DOI: 10.1016/j.joms.2020.05.013
    Pederin, a vesicant chemical and one of the most powerful animal toxins in the world, is produced by an endosymbiont bacteria (Pseudomonas spp) found on the beetle Paederus fuscipes. This small, red- and black-striped beetle is also commonly known as the Charlie or rove beetle. Accidental contact with skin causes Paederus dermatitis, with the clinical presentation ranging from mild dermatitis to more severe vesiculobullous lesions. We report a rare case of severe lip destruction caused by the Charlie beetle in a 24-year-old man. Treatment involved intravenous antibiotics in addition to local wound debridement. The thinner stratum corneum on the lips and close proximity to the oral cavity could have resulted in the severe tissue destruction encountered.
  15. Siar CH, Lau SH, Ng KH
    J Oral Maxillofac Surg, 2012 Mar;70(3):608-15.
    PMID: 21723654 DOI: 10.1016/j.joms.2011.02.039
    Ameloblastoma of the human jaw is an uncommon but clinically significant odontogenic epithelial neoplasm. The aim was to analyze the clinicopathologic characteristics of ameloblastoma in a Malaysian population.
  16. Lim D, Ngeow WC
    J Oral Maxillofac Surg, 2017 Nov;75(11):2278-2286.
    PMID: 28666096 DOI: 10.1016/j.joms.2017.05.033
    PURPOSE: To compare the efficacy of preoperative submucosal injection of 4 mg of dexamethasone versus 40 mg of methylprednisolone in reducing postoperative sequelae after surgical removal of impacted mandibular third molars.

    PATIENTS AND METHODS: This prospective, randomized, double-blind study included 65 patients who required surgical removal of impacted mandibular third molars with Class II or position B impaction (Pell and Gregory classification). Patients were randomly assigned to 1 of 3 groups: dexamethasone, methylprednisolone, or placebo (control). Surgery was performed with patients under local anesthesia. Baseline measurements were obtained preoperatively, and subsequent assessments were made on postoperative day 1, 2, 5, and 7 to measure postoperative facial swelling by use of 2 linear measurements: interincisal mouth opening width and visual analog scale score for pain. The amount of analgesics consumed was recorded. Wound healing also was assessed on postoperative day 7. Descriptive and multivariate statistics were computed, and significance was set at P 

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