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INDONESIA
ODONTO Dental Journal
Published by Universitas Islam Sultan Agung
ISSN : -     EISSN : -     DOI : -
Core Subject : Health,
Medicine & Pharmacology
Arjuna Subject : -
Articles 462 Documents
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Gingivectomy and Gingivoplasty as Treatment for Altered Passive Eruption: A Case Report Nur A'in Fajar Mentari; Ayuda Nur Sukmawati
Odonto : Dental Journal Vol. 13 No. 2 (2026): August 2026
Publisher : Faculty of Dentistry, Universitas Islam Sultan Agung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30659/odj.13.2.202-209

Abstract

Background: Altered passive eruption (APE) is a developmental disorder that occurs when the gingival does not move apically as the tooth erupts. APE is a condition that can be corrected through a surgical procedure known as crown lengthening with gingivectomy. Case: A 21-year old patient presented at Unimus Dental Hospital with one the upper front tooth appearing shorter. The gingival margin of tooth 12 appeared more convex and asymmetrical compared to tooth 22. Additionally, the gingiva of tooth 12 exhibited a physiological discoloration, appearing pale. Based on the results of subjective and objective examinations, as well as radiographic findings, the patient was diagnosed with chronic gingivitis accompanied by altered passive eruption. A gingivectomy and gingivoplasty were performed on tooth number 12. The patient was also prescribed paracetamol and a chlorhexidine mouthwash. The patient was advised to attend a follow-up appointment one week after the procedure and return one month later. Conclusion: The surgical procedures performed were gingivectomy and gingivoplasty. One week after the surgery, the gingival still appears red. One month after surgery, the gingival condition had returned to normal and the shape of margin gingiva is aesthetically pleasing.
Biomechanical Evaluation of Orthodontic Miniscrews: How Insertion Angle and Number of Insertions Impact Pull-Out Strength Wilda Kemala Maulani; Elih Sayuti; Endah Mardiati
Odonto : Dental Journal Vol. 13 No. 2 (2026): August 2026
Publisher : Faculty of Dentistry, Universitas Islam Sultan Agung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30659/odj.13.2.162-171

Abstract

Background: This study aimed to analyze the effects of insertion angle and number of insertions on miniscrew pull-out strength in polyurethane bone blocks.Method: In this experimental study, 30 miniscrews (Mico One; 2 mm diameter and 10 mm length) were inserted into Sawbones polyurethane blocks consisting of a 2 mm cortical layer (40 pcf) and an 18 mm trabecular layer (20 pcf). Samples were divided into six groups based on insertion angle (45°, 70°, and 90°) and number of insertions (single vs. repeated). Pull-out strength was measured using a Universal Testing Machine (UTM). Data were analyzed using two-way ANOVA followed by Tukey's HSD post hoc test, with significance set at p<0,05.Result: In the single-insertion group, the insertion angle significantly affected pull-out strength (p<0,05). The 70° angle yielded the highest mean pull-out strength (339,98±20,76N), which was significantly higher than that of the 90° angle (299,93±20,45N; p<0,05). In the repeated-insertion group, the insertion angle did not significantly affect pull-out strength (p>0,05). Although the repeated-insertion group showed a lower mean pull-out strength (307,88±24,78  N) than the single-insertion group (318,34±25,21N), the difference was not significant (p>0,05).Conclusion: Insertion angle significantly influences pull-out strength in single-insertion miniscrews, with 70° providing the highest strength. The number of insertions (single vs. repeated) does not significantly affect pull-out strength. These findings have implications for clinical anchorage strategies and experimental protocols using polyurethane bone analogs.

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