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All Journal Sriwijaya Journal of Internal Medicine Crown: Journal of Dentistry and Health Research
Alexander Mulya
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Biochemistry, Genetics & Molecular Biology Dentistry Health Professions Immunology & microbiology Medicine & Pharmacology Neuroscience Nursing Public Health

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Influence of Preparation Design on the Fracture Resistance of Endodontically Treated Teeth Restored with Full-Coverage Crowns in Jakarta, Indonesia Alexander Mulya; Nabila Saraswati; Serena Jackson; Made Swastika; Zainal Abidin Hasan
Crown: Journal of Dentistry and Health Research Vol. 1 No. 2 (2023): Crown: Journal of Dentistry and Health Research
Publisher : Phlox Institute: Indonesian Medical Research Organization

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59345/crown.v1i2.89

Abstract

Introduction: Endodontically treated teeth are more susceptible to fracture due to the loss of tooth structure and moisture. Full-coverage crowns are often used to restore these teeth and enhance their fracture resistance. However, the influence of different preparation designs on the fracture resistance of endodontically treated teeth remains a topic of investigation. This study aimed to evaluate the fracture resistance of endodontically treated teeth restored with full-coverage crowns with different preparation designs in Jakarta, Indonesia. Methods: Forty extracted human premolars were endodontically treated and divided into four groups (n=10): Group 1: Butt-joint margin with a 1 mm chamfer finish line; Group 2: Shoulder margin with a 1.5 mm chamfer finish line; Group 3: Deep chamfer margin with a 2 mm chamfer finish line; and Group 4: Shoulder margin with a rounded shoulder finish line. All teeth were prepared for full-coverage crowns and restored with standardized metal-ceramic crowns. A universal testing machine was used to apply compressive load to the teeth until fracture. The fracture resistance values were recorded in Newtons (N) and analyzed using one-way ANOVA and Tukey's post-hoc test (α=0.05). Results: The mean fracture resistance values (N) were as follows: Group 1 (1250 ± 150), Group 2 (1480 ± 180), Group 3 (1180 ± 130), and Group 4 (1550 ± 200). One-way ANOVA revealed significant differences in fracture resistance among the groups (p<0.05). Tukey's post-hoc test indicated that Group 4 exhibited significantly higher fracture resistance than Group 1 and Group 3 (p<0.05). Group 2 also demonstrated significantly higher fracture resistance than Group 3 (p<0.05). Conclusion: Within the limitations of this study, the shoulder margin with a rounded shoulder finish line provided the highest fracture resistance for endodontically treated teeth restored with full-coverage crowns. The butt-joint margin and deep chamfer margin preparations exhibited lower fracture resistance.
The Impact of Uncontrolled Type 2 Diabetes Mellitus on Chronic Rhinosinusitis Severity and Treatment Outcomes: A Prospective Cohort Study in Bandung, Indonesia Zainal Abidin Hasan; Aisyah Andina Rasyid; Hasrita Soleiman; Alexander Mulya; Pham Uyen; Maria Rodriguez
Sriwijaya Journal of Internal Medicine Vol. 3 No. 1 (2025): Sriwijaya Journal of Internal Medicine
Publisher : Phlox Institute: Indonesian Medical Research Organization

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59345/sjim.v2i2.176

Abstract

Introduction: Chronic rhinosinusitis (CRS) is a prevalent inflammatory condition, and type 2 diabetes mellitus (T2DM) is a known comorbidity that can exacerbate inflammatory processes. This study aimed to investigate the impact of uncontrolled T2DM on CRS severity and treatment outcomes in a cohort of patients in Bandung, Indonesia. Methods: A prospective cohort study was conducted at a private hospital in Bandung, Indonesia, from January 2020 to December 2022. Adult patients diagnosed with CRS (with or without nasal polyps) were enrolled and categorized into two groups: controlled T2DM (HbA1c ≤ 7%) and uncontrolled T2DM (HbA1c > 7%). CRS severity was assessed using the Sino-Nasal Outcome Test-22 (SNOT-22) and Lund-Mackay CT scoring. Treatment outcomes were evaluated at 3, 6, and 12 months post-initial treatment (medical and/or surgical) based on SNOT-22 scores, endoscopic findings, and the need for revision surgery. Results: A total of 240 patients were included (120 with controlled T2DM, 120 with uncontrolled T2DM). At baseline, the uncontrolled T2DM group had significantly higher mean SNOT-22 scores (58.5 ± 12.3 vs. 45.2 ± 10.1, p < 0.001) and Lund-Mackay CT scores (11.8 ± 3.5 vs. 8.2 ± 2.8, p < 0.001) compared to the controlled T2DM group. At 12 months, the uncontrolled T2DM group showed significantly less improvement in SNOT-22 scores (mean change: -15.4 ± 8.7 vs. -28.3 ± 9.2, p < 0.001) and a higher rate of revision surgery (18.3% vs. 5.8%, p = 0.002). Multivariate analysis revealed that uncontrolled T2DM (HbA1c > 7%) was an independent predictor of poorer treatment outcomes (OR: 3.45, 95% CI: 1.98-6.01, p < 0.001). Conclusion: Uncontrolled T2DM is associated with increased CRS severity and significantly poorer treatment outcomes in patients in Bandung, Indonesia. Effective glycemic control should be a crucial component of CRS management in patients with T2DM.
Glycated Hemoglobin (HbA1c) as a Predictor of Periodontal Disease Progression in Patients with Type 2 Diabetes: A Longitudinal Study in Surabaya, Indonesia Alexander Mulya; Muhammad Ashraf; Muhammad Yoshandi; Ayesh Mahmood; Daphne Marshall
Sriwijaya Journal of Internal Medicine Vol. 3 No. 1 (2025): Sriwijaya Journal of Internal Medicine
Publisher : Phlox Institute: Indonesian Medical Research Organization

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59345/sjim.v2i2.178

Abstract

Introduction: Periodontal disease is a prevalent complication of type 2 diabetes mellitus (T2DM), and poor glycemic control is a known risk factor. This longitudinal study aimed to investigate the predictive value of glycated hemoglobin (HbA1c) for periodontal disease progression in a cohort of T2DM patients in Surabaya, Indonesia. Methods: A prospective cohort study was conducted at private hospital, Surabaya, Indonesia, from January 2021 to January 2023. 180 patients with T2DM and pre-existing chronic periodontitis were enrolled. Periodontal parameters, including probing pocket depth (PPD), clinical attachment loss (CAL), bleeding on probing (BOP), and plaque index (PI), were assessed at baseline, 12 months, and 24 months. HbA1c was measured at each visit. Multivariate linear regression and mixed-effects models were used to analyze the association between HbA1c and changes in periodontal parameters over time, adjusting for potential confounders. Results: The mean age of participants was 58.5 ± 8.2 years, and 55% were female. Baseline mean HbA1c was 8.2 ± 1.5%. After adjusting for age, gender, smoking status, diabetes duration, and baseline periodontal parameters, higher baseline HbA1c was significantly associated with greater increases in PPD (β = 0.15 mm per 1% HbA1c increase, 95% CI: 0.08-0.22, p < 0.001) and CAL (β = 0.18 mm per 1% HbA1c increase, 95% CI: 0.10-0.26, p < 0.001) over 24 months. Furthermore, sustained elevation of HbA1c (average HbA1c over 24 months) was a stronger predictor of periodontal disease progression than baseline HbA1c alone. A significant interaction between HbA1c and time was observed (p < 0.001), indicating that the effect of HbA1c on periodontal parameters increased over time. Conclusion: HbA1c is a significant independent predictor of periodontal disease progression in patients with T2DM. Sustained glycemic control is crucial for preventing and managing periodontal complications in this population. These findings highlight the importance of interdisciplinary collaboration between internists and dentists in the comprehensive care of T2DM patients.
Three-Year Clinical Performance of Silver Diamine Fluoride (SDF) versus Glass Ionomer Cement in Arresting Carious Lesions in Primary Molars: A Community-Based Cohort Study Winata Putri; Sophia Lucille Rodriguez; Sarah Armalia; Alexander Mulya
Crown: Journal of Dentistry and Health Research Vol. 3 No. 1 (2025): Crown: Journal of Dentistry and Health Research
Publisher : Phlox Institute: Indonesian Medical Research Organization

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59345/crown.v3i1.238

Abstract

Introduction: Early Childhood Caries (ECC) is a significant global health problem. Minimally invasive treatments like Silver Diamine Fluoride (SDF) and Glass Ionomer Cement (GIC) are crucial, but long-term comparative effectiveness data from real-world community settings are scarce. This study aimed to compare the three-year clinical performance of 38% SDF versus high-viscosity GIC in arresting active carious lesions in the primary molars of preschool children. Methods: This study was designed as a three-year, prospective, non-randomized, community-based cohort study in an underserved urban population in South Sumatra, Indonesia. A total of 450 children aged 3-5 years with at least one active cavitated carious lesion (ICDAS 5/6) in a primary molar were enrolled. Following parental consent and choice, lesions were treated with either a single application of 38% SDF or a high-viscosity GIC restoration using the Atraumatic Restorative Treatment (ART) technique. Calibrated examiners assessed the lesions for caries arrest at 6, 12, 24, and 36 months using standardized visual-tactile criteria. The primary outcome was the proportion of arrested lesions. Survival analysis was performed using Kaplan-Meier curves and a Cox proportional hazards model. Results: A total of 620 lesions (309 SDF, 311 GIC) were treated and followed. At the 36-month follow-up, the caries arrest rate in the SDF group was 81.2%, which was significantly higher than the 64.8% arrest rate observed in the GIC group (χ² = 24.5, p < 0.001). The Kaplan-Meier survival analysis demonstrated a significantly higher probability of lesions remaining in an arrested state in the SDF group over the three-year period (log-rank test, p < 0.001). The Cox regression model identified the treatment modality as the primary predictor of failure, with GIC having a hazard ratio of 2.15 (95% CI: 1.55-2.98) compared to SDF. Conclusion: Within the parameters of this community-based cohort study, a single application of 38% SDF was significantly more effective in arresting active carious lesions in primary molars over a three-year period than high-viscosity GIC applied via the ART technique. These findings support the prioritization of SDF in public health programs for managing ECC.
Co-Authors Aisyah Andina Rasyid Ayesh Mahmood Daphne Marshall Hasrita Soleiman Made Swastika Maria Rodriguez Muhammad Ashraf Muhammad Yoshandi Nabila Saraswati Pham Uyen Sarah Armalia Serena Jackson Sophia Lucille Rodriguez Winata Putri Zainal Abidin Hasan