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All Journal Dental Journal (Majalah Kedokteran Gigi) Indonesian Journal of Dental Medicine
Prawati Nuraini
Department of Pediatric Dentistry, Faculty of Dental Medicine, Universitas Airlangga, Surabaya
Dentistry

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Effect of sucrose and lactose on Streptococcus mutans biofilm adherence Prawati Nuraini; Soegeng Wahluyo; Thania Y. Saroso
Dental Journal (Majalah Kedokteran Gigi) Vol. 59 No. 1 (2026): March
Publisher : Faculty of Dental Medicine, Universitas Airlangga https://fkg.unair.ac.id/en

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20473/j.djmkg.v59.i1.p74-77

Abstract

Background: In Indonesia, 67.3% of 5-year-old children have dental caries, a prevalent oral illness, with a decayed, missing, and filled teeth index score of 6 or above. Breast milk contains approximately 7% lactose, cow’s milk 4.6%, and first formula milk between 5.4% and 8.2%. Lactose and sugar, however, can aid in the development of Streptococcus mutans, a bacterium linked to dental caries. Purpose: The aim of this study is to examine the differences in S. mutans biofilm adherence after biofilm induction with 5% sucrose and 8% lactose. Methods: Streptococcus mutans biofilms were generated for 24 hours at 37°C using Brain Heart Infusion Broth (BHIB) medium with 5% sucrose and 8% lactose. The optical density value was determined by measuring the amounts of adherent bacteria at 570 nm using a spectrophotometer. The study results were statistically analyzed using variance tests, followed by Tukey’s honest significant difference test (p < 0.05). Results: Streptococcus mutans biofilm induced by sucrose had a higher adherence value than that caused by lactose. There were no significant differences in BHIB with S. mutans and 5% sucrose or 8% lactose (p = 0.100; p < 0.05). Conclusion: Streptococcus mutans induced by 5% sucrose and 8% lactose affected the adherence of bacterial biofilms, but there was no difference in bacterial biofilm adherence between the two compounds. Subsequent research revealed that sucrose and lactose components influenced biofilm adherence.
Management delayed tooth injury fixed with orthodontic splint system: A case report Meidiana Adiningsih; Mohammed Ahmed Aljunaid; Prawati Nuraini
Indonesian Journal of Dental Medicine Vol. 9 No. 2 (2026): Indonesian Journal of Dental Medicine
Publisher : Faculty of Dental Medicine Universitas Airlangga

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20473/ijdm.v9i2.2026.100-104

Abstract

Background: Dentoalveolar trauma, specifically luxation injuries, is a common occurrence in mixed dentition, with an incidence ranging from 18% to 33%. This condition can severely impact the periodontal ligament and the vitality of the affected teeth. Maxillary anterior teeth are most frequently affected due to their prominent position in the dental arch. Appropriate intervention is crucial to preserve both function and aesthetic. Purpose: Reported a case management of upper front right teeth lateral luxation with fixed orthodontic to ensure proper healing and functionality. Case: A 14-year-old female patient presented to a pediatric dental clinic with complaints of pain and displacement of her right upper front tooth, which had been pushed-back following a physical altercation with peers one-week prior. The patient was currently managing her pain with analgesic, the last dose taken that morning. Her mother was worried about the tooth’s return to it’s normal position. Case Management: After confirming complete root formation and absence of alveolar fracture via panoramic radiograph, the tooth was initially stabilized using fixed orthodontic appliances with NiTi wire (0.016” x 0.016”) to encourage gradual repositioning. Oral prophylaxis was performed prior to bracket placement, and the patient was advised on maintaining oral hygiene and a soft diet with follow-up planned for malocclusion correction and pulp vitality assessment. Conclusion: It should be taken into consideration to use fixed orthodontics to reposition and splint delayed traumatized teeth.
Co-Authors Meidiana Adiningsih Mohammed Ahmed Aljunaid Soegeng Wahluyo Thania Y. Saroso