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  1. Patil PG, Lim HF
    J Prosthet Dent, 2023 Jul;130(1):14-18.
    PMID: 34774303 DOI: 10.1016/j.prosdent.2021.08.005
    Fabricating a new crown to retrofit with an existing removable partial denture (RPD) is a complex procedure for both clinician and dental laboratory technician. The presented technique facilitates the fabrication and retrofitting of a metal-ceramic crown onto the principal abutment of the existing RPD by using 2-step intraoral scanning (with and without the RPD in place) and 2 different 3-dimensionally printed casts. The technique enables the dental laboratory technician to precisely reproduce the retentive areas, guiding planes, and rest seats on the retrofitted crown.
  2. Math S, Nga JDL, Lim HF, Amin M, Pacheco-Pereira C
    PLoS One, 2025;20(2):e0318991.
    PMID: 39946493 DOI: 10.1371/journal.pone.0318991
    OBJECTIVES: To explore dental students' preparedness, experiences and confidence levels in utilizing teledentistry (TD) for patient care during the COVID-19 pandemic and to determine the dental needs and experiences of patients receiving treatment from dental students through TD.

    METHODS: Two online surveys were administered through Google Forms, incorporating both five-point Likert scales and open-ended questions alone for the student questionnaire. The patient questionnaire, available in English and Mandarin, was distributed during or after teleconsultations. Descriptive statistics were used to summarise the data.

    RESULTS: Out of 125 students, 88% (N = 110) were contacted by 318 patients. Of them, 79.1% reported no telecommunication problems, 91.8% faced no language barriers, and 87.2% encountered no technological barriers. Most students (67.3%) agreed they would need further training in TD. Low confidence levels were observed among 26.3% of students in managing crowns and bridges and among 18.2% of students in managing mucosal conditions. From the patient perspective, 76.4% contacted the students via WhatsApp Messages and 21.0% used the Voice Call mode. About 44.0% of patients enquired about the next available appointment. Their most common concern was tooth pain (15.1%) followed by denture problems (9.1%), chipped fillings (6.6%), and crowns and bridge problems (6.3%). Overall, 82% patients reported effective communication during teleconsultation, 85% were satisfied with the questioning process, and expressed satisfaction with the diagnoses provided. However, 10% of patients chose to ignore their concerns, and 5% sought assistance from medical practitioners.

    CONCLUSION: Most dental students were confident in addressing patient concerns but recognized the need for additional training for managing complex cases. Both students and patients reported positive experiences with TD, including effective communication and satisfaction. These findings highlight the importance of integrating TD training into dental curricula, addressing technical and privacy concerns, and improving patient education for secure and effective TD use in routine care.

  3. Wang HC, Djajalaksana S, Sharma L, Theerakittikul T, Lim HF, Yoo KH, et al.
    World Allergy Organ J, 2023 Oct;16(10):100823.
    PMID: 37869560 DOI: 10.1016/j.waojou.2023.100823
    BACKGROUND: The extent of short-acting Beta-2-agonist (β2-agonist) (SABA) use across Asian countries is not well documented. As part of the SABA use IN Asthma (SABINA) III study, we assessed SABA prescriptions and clinical outcomes in patients with asthma from Asia.

    METHODS: This cross-sectional study recruited patients (aged ≥12 years) with asthma from 8 Asian countries. Data on disease characteristics and asthma treatments were collected using electronic case report forms. Patients were classified by practice type (primary or specialist care) and investigator-defined asthma severity (per Global Initiative for Asthma [GINA] 2017 recommendations). The association of SABA prescriptions with clinical outcomes was analyzed using multivariable regression models.

    RESULTS: Overall, 3066 patients were analyzed, with a mean (standard deviation) age of 51.8 (16.7) years; of these patients, 2116 (69%) were female, 2517 (82.1%) had moderate-to-severe asthma and 2498 (81.5%) and 559 (18.2%) were treated in specialist and primary care, respectively. In total, 1423 (46.4%) patients had partly controlled/uncontrolled asthma, with 1149 (37.5%) patients experiencing ≥1 severe asthma exacerbation in the previous year. Overall, 800 (26.7%) patients were prescribed ≥3 SABA canisters in the previous year, which is regarded as overprescription and was associated with a significantly decreased odds of at least partly controlled asthma and increased incidence rates of severe exacerbations (P 

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