1.Antibiotic Use in Pediatric Dentistry
Journal of Korean Academy of Pediatric Dentistry 2025;52(1):1-8
Antibiotic use in the dental field, especially in pediatric dentistry, should be carefully considered, taking into account resistance and side effects. This review aims to provide a general overview of antibiotic use and dosage in pediatric dentistry. Indications for antibiotic prescription include symptoms of systemic infection such as fever (≥ 38°C), lymphadenitis (cervical lymph node swelling and tenderness), facial swelling (especially spreading around the eyes), cellulitis, soft tissue infections (risk of deep infection and sepsis), severe localized infection or high risk of infection after invasive dental procedures such as acute pulpitis, severe periapical abscess spreading to soft tissues, persistent or worsening infection despite drainage, and prophylactic antibiotic use in immunocompromised patients. Antibiotic use for simple dental caries, no signs of infection after root canal treatment, prophylactic use after simple tooth extraction, and viral infections is unnecessary. The first-choice antibiotic in dentistry is amoxicillin; its dosage should be adjusted according to the infection symptoms and body weight in children. Furthermore, amoxicillin-clavulanate, clindamycin, metronidazole and azithromycin can be prescribed depending on the type of infection and the patient’s allergies. Excessive and inappropriate antibiotic use can contribute to antibiotic resistance. Pediatric dentists should receive continuous education and stay updated on periodic revisions to antibiotic use and dosage guidelines.
2.The Effect of Surface Treatments on the Shear Bond Strength of Polymer-Based Material for Pediatric Crown Alternatives
Jihyun KIM ; Jieun HAN ; Gimin KIM ; Jaesik LEE
Journal of Korean Academy of Pediatric Dentistry 2025;52(1):89-101
Polyetheretherketone (PEEK) crowns offer a provisional option for esthetic restorations in pediatric patients. PEEK has mechanical properties similar to dentin but exhibits low bond strength with luting cements. This study aimed to evaluate the effect of different surface treatments on the bond strength between PEEK and four luting cements by measuring shear bond strength (SBS). Sixty specimens were divided into three surface treatment groups: control, sandblast, and 98% sulfuric acid, and further divided into four cement subgroups: methyl methacrylate (MMA)-based resin cement, composite-based resin cement, resin-modified glass ionomer cement (RMGI), and glass ionomer cement (GI). Failure modes and treated surfaces were examined using scanning electron microscopy (SEM), and wettability was assessed through water contact angle. Both surface treatment methods showed significantly higher SBS than the control. The combination of sulfuric acid treatment with MMA-based resin cement demonstrated the highest bond strength (11.25 ± 1.86 MPa), while the second highest value was observed with sandblasting combined with MMA-based resin cement. These values were significantly higher than other groups and exceeded the clinically acceptable SBS threshold of 10 MPa. SEM analysis revealed that sandblasting created irregular fissures with large grooves and cracks for improved micro-retention, while sulfuric acid treatment produced a complex fiber network with sponge-like porosities. Within the limits of this in vitro study, MMA- and composite-based resin cement application with sandblast or sulfuric acid surface treatment proved effective bonding methods.
3.Assessing Dental Care Utilization Status and Caregiver Satisfaction with Dental Treatment for Pediatric Patients with Rare Diseases
Yoon-Hee KIM ; Yeonmi YANG ; Jonghyun SHIN ; Jaesik LEE ; Chung-Min KANG
Journal of Korean Academy of Pediatric Dentistry 2025;52(2):221-238
This study aimed to investigate the dental utilization status, satisfaction with dental treatment, and the need for improvement among pediatric patients with rare diseases in Korea. A survey was conducted from June 2023 to May 2024 among caregivers of patients with rare diseases who visited the pediatric dentistry departments of eight dental institutions. The questionnaire for this study was divided into two sections: 126 caregivers participated in the dental utilization survey, while 91 caregivers completed the survey on satisfaction with dental treatment. Many caregivers believed that the patient’s poor oral health could impact overall health and reported positive functional and psychological changes following dental treatment. However, dental care for these patients presents challenges due to insufficient oral care information, specialized dentists, specialized dental facilities, and insurance coverage. Caregivers identified the need for an increase in specialized dental facilities as the highest priority (42.9%), with many emphasizing the necessity for expanded insurance coverage (38.9%). Notably, caregivers of patients who had undergone dental caries treatment advocated for broader insurance coverage (p = 0.0141), particularly for prosthetic (p = 0.0330) and restorative treatments (p = 0.0129). Furthermore, caregivers of patients with congenital disorders reported a significant economic burden associated with orthodontic treatment (p = 0.0405). Additionally, caregivers emphasized the need for an increase in specialized dentists (33.3%) and improved collaboration with pediatricians (25.4%). This study underscores the critical necessity for tailored policies and comprehensive support systems that reflect the current needs of the dental care system for pediatric patients with rare diseases.
4.Influence of Preservation Methods on Reattached Tooth Fragments: A Study of Color Stability and Strength
Youngeun JANG ; Jaesik LEE ; Gimin KIM
Journal of Korean Academy of Pediatric Dentistry 2025;52(2):159-168
This study compared and evaluated the color change and fracture resistance of reattached tooth fragments stored in different media after trauma. Sixty extracted permanent incisors were examined. Tap water, saline solution, milk, artificial saliva, and casein phosphopeptide-amorphous calcium and phosphate (CPP-ACP) were used as storage media. The control group used no storage media. Color changes were calculated using CIE L*a*b* values measured by a spectrophotometer at seven time points: just before reproducing the tooth fracture (T0); after drying the fractured crown for 24 hours following fracture (T1); immediately after rehydration in the storage medium for 20 minutes (T2); and 12 hours (T3), 24 hours (T4), 1 week (T5), and 3 weeks (T6) after reattaching the fractured crown. Fracture resistance was uniformly measured 3 weeks after reattachment. The results showed that the CPPACP group showed significantly more effective color recovery than the other storage media groups, with the color returning to natural levels by T2. Color recovery was observed in all groups at T6. Fracture resistance did not differ significantly between the six groups. No significant difference was observed between the storage media regarding color recovery and fracture resistance three weeks after reattachment.
5.Antibiotic Use in Pediatric Dentistry
Journal of Korean Academy of Pediatric Dentistry 2025;52(1):1-8
Antibiotic use in the dental field, especially in pediatric dentistry, should be carefully considered, taking into account resistance and side effects. This review aims to provide a general overview of antibiotic use and dosage in pediatric dentistry. Indications for antibiotic prescription include symptoms of systemic infection such as fever (≥ 38°C), lymphadenitis (cervical lymph node swelling and tenderness), facial swelling (especially spreading around the eyes), cellulitis, soft tissue infections (risk of deep infection and sepsis), severe localized infection or high risk of infection after invasive dental procedures such as acute pulpitis, severe periapical abscess spreading to soft tissues, persistent or worsening infection despite drainage, and prophylactic antibiotic use in immunocompromised patients. Antibiotic use for simple dental caries, no signs of infection after root canal treatment, prophylactic use after simple tooth extraction, and viral infections is unnecessary. The first-choice antibiotic in dentistry is amoxicillin; its dosage should be adjusted according to the infection symptoms and body weight in children. Furthermore, amoxicillin-clavulanate, clindamycin, metronidazole and azithromycin can be prescribed depending on the type of infection and the patient’s allergies. Excessive and inappropriate antibiotic use can contribute to antibiotic resistance. Pediatric dentists should receive continuous education and stay updated on periodic revisions to antibiotic use and dosage guidelines.
6.The Effect of Surface Treatments on the Shear Bond Strength of Polymer-Based Material for Pediatric Crown Alternatives
Jihyun KIM ; Jieun HAN ; Gimin KIM ; Jaesik LEE
Journal of Korean Academy of Pediatric Dentistry 2025;52(1):89-101
Polyetheretherketone (PEEK) crowns offer a provisional option for esthetic restorations in pediatric patients. PEEK has mechanical properties similar to dentin but exhibits low bond strength with luting cements. This study aimed to evaluate the effect of different surface treatments on the bond strength between PEEK and four luting cements by measuring shear bond strength (SBS). Sixty specimens were divided into three surface treatment groups: control, sandblast, and 98% sulfuric acid, and further divided into four cement subgroups: methyl methacrylate (MMA)-based resin cement, composite-based resin cement, resin-modified glass ionomer cement (RMGI), and glass ionomer cement (GI). Failure modes and treated surfaces were examined using scanning electron microscopy (SEM), and wettability was assessed through water contact angle. Both surface treatment methods showed significantly higher SBS than the control. The combination of sulfuric acid treatment with MMA-based resin cement demonstrated the highest bond strength (11.25 ± 1.86 MPa), while the second highest value was observed with sandblasting combined with MMA-based resin cement. These values were significantly higher than other groups and exceeded the clinically acceptable SBS threshold of 10 MPa. SEM analysis revealed that sandblasting created irregular fissures with large grooves and cracks for improved micro-retention, while sulfuric acid treatment produced a complex fiber network with sponge-like porosities. Within the limits of this in vitro study, MMA- and composite-based resin cement application with sandblast or sulfuric acid surface treatment proved effective bonding methods.
7.Assessing Dental Care Utilization Status and Caregiver Satisfaction with Dental Treatment for Pediatric Patients with Rare Diseases
Yoon-Hee KIM ; Yeonmi YANG ; Jonghyun SHIN ; Jaesik LEE ; Chung-Min KANG
Journal of Korean Academy of Pediatric Dentistry 2025;52(2):221-238
This study aimed to investigate the dental utilization status, satisfaction with dental treatment, and the need for improvement among pediatric patients with rare diseases in Korea. A survey was conducted from June 2023 to May 2024 among caregivers of patients with rare diseases who visited the pediatric dentistry departments of eight dental institutions. The questionnaire for this study was divided into two sections: 126 caregivers participated in the dental utilization survey, while 91 caregivers completed the survey on satisfaction with dental treatment. Many caregivers believed that the patient’s poor oral health could impact overall health and reported positive functional and psychological changes following dental treatment. However, dental care for these patients presents challenges due to insufficient oral care information, specialized dentists, specialized dental facilities, and insurance coverage. Caregivers identified the need for an increase in specialized dental facilities as the highest priority (42.9%), with many emphasizing the necessity for expanded insurance coverage (38.9%). Notably, caregivers of patients who had undergone dental caries treatment advocated for broader insurance coverage (p = 0.0141), particularly for prosthetic (p = 0.0330) and restorative treatments (p = 0.0129). Furthermore, caregivers of patients with congenital disorders reported a significant economic burden associated with orthodontic treatment (p = 0.0405). Additionally, caregivers emphasized the need for an increase in specialized dentists (33.3%) and improved collaboration with pediatricians (25.4%). This study underscores the critical necessity for tailored policies and comprehensive support systems that reflect the current needs of the dental care system for pediatric patients with rare diseases.
8.Influence of Preservation Methods on Reattached Tooth Fragments: A Study of Color Stability and Strength
Youngeun JANG ; Jaesik LEE ; Gimin KIM
Journal of Korean Academy of Pediatric Dentistry 2025;52(2):159-168
This study compared and evaluated the color change and fracture resistance of reattached tooth fragments stored in different media after trauma. Sixty extracted permanent incisors were examined. Tap water, saline solution, milk, artificial saliva, and casein phosphopeptide-amorphous calcium and phosphate (CPP-ACP) were used as storage media. The control group used no storage media. Color changes were calculated using CIE L*a*b* values measured by a spectrophotometer at seven time points: just before reproducing the tooth fracture (T0); after drying the fractured crown for 24 hours following fracture (T1); immediately after rehydration in the storage medium for 20 minutes (T2); and 12 hours (T3), 24 hours (T4), 1 week (T5), and 3 weeks (T6) after reattaching the fractured crown. Fracture resistance was uniformly measured 3 weeks after reattachment. The results showed that the CPPACP group showed significantly more effective color recovery than the other storage media groups, with the color returning to natural levels by T2. Color recovery was observed in all groups at T6. Fracture resistance did not differ significantly between the six groups. No significant difference was observed between the storage media regarding color recovery and fracture resistance three weeks after reattachment.
9.Antibiotic Use in Pediatric Dentistry
Journal of Korean Academy of Pediatric Dentistry 2025;52(1):1-8
Antibiotic use in the dental field, especially in pediatric dentistry, should be carefully considered, taking into account resistance and side effects. This review aims to provide a general overview of antibiotic use and dosage in pediatric dentistry. Indications for antibiotic prescription include symptoms of systemic infection such as fever (≥ 38°C), lymphadenitis (cervical lymph node swelling and tenderness), facial swelling (especially spreading around the eyes), cellulitis, soft tissue infections (risk of deep infection and sepsis), severe localized infection or high risk of infection after invasive dental procedures such as acute pulpitis, severe periapical abscess spreading to soft tissues, persistent or worsening infection despite drainage, and prophylactic antibiotic use in immunocompromised patients. Antibiotic use for simple dental caries, no signs of infection after root canal treatment, prophylactic use after simple tooth extraction, and viral infections is unnecessary. The first-choice antibiotic in dentistry is amoxicillin; its dosage should be adjusted according to the infection symptoms and body weight in children. Furthermore, amoxicillin-clavulanate, clindamycin, metronidazole and azithromycin can be prescribed depending on the type of infection and the patient’s allergies. Excessive and inappropriate antibiotic use can contribute to antibiotic resistance. Pediatric dentists should receive continuous education and stay updated on periodic revisions to antibiotic use and dosage guidelines.
10.The Effect of Surface Treatments on the Shear Bond Strength of Polymer-Based Material for Pediatric Crown Alternatives
Jihyun KIM ; Jieun HAN ; Gimin KIM ; Jaesik LEE
Journal of Korean Academy of Pediatric Dentistry 2025;52(1):89-101
Polyetheretherketone (PEEK) crowns offer a provisional option for esthetic restorations in pediatric patients. PEEK has mechanical properties similar to dentin but exhibits low bond strength with luting cements. This study aimed to evaluate the effect of different surface treatments on the bond strength between PEEK and four luting cements by measuring shear bond strength (SBS). Sixty specimens were divided into three surface treatment groups: control, sandblast, and 98% sulfuric acid, and further divided into four cement subgroups: methyl methacrylate (MMA)-based resin cement, composite-based resin cement, resin-modified glass ionomer cement (RMGI), and glass ionomer cement (GI). Failure modes and treated surfaces were examined using scanning electron microscopy (SEM), and wettability was assessed through water contact angle. Both surface treatment methods showed significantly higher SBS than the control. The combination of sulfuric acid treatment with MMA-based resin cement demonstrated the highest bond strength (11.25 ± 1.86 MPa), while the second highest value was observed with sandblasting combined with MMA-based resin cement. These values were significantly higher than other groups and exceeded the clinically acceptable SBS threshold of 10 MPa. SEM analysis revealed that sandblasting created irregular fissures with large grooves and cracks for improved micro-retention, while sulfuric acid treatment produced a complex fiber network with sponge-like porosities. Within the limits of this in vitro study, MMA- and composite-based resin cement application with sandblast or sulfuric acid surface treatment proved effective bonding methods.

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