Retnaningrum, Yanuarti
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A novel approach for posterior bite collapse in an adult with crossbite anterior using a 3D-printed bite riser Alhasyimi, Ananto Ali; Indra, Putu; Rosyida, Niswati Fathmah; Retnaningrum, Yanuarti; Setijanto, R. Darmawan; Vázquez-Santos, Francisco José
Dental Journal (Majalah Kedokteran Gigi) Vol. 57 No. 4 (2024): December
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.v57.i4.p292-297

Abstract

Background: Managing an adult patient presenting with an anterior crossbite in conjunction with posterior bite collapse (PBC) is a difficult challenge. Purpose: The purpose of this case study is to highlight the accuracy that can be attained with the utilization of a three-dimensional (3D) printed bite riser in the correction of PBC accompanied by an anterior crossbite in an adult patient with Class III malocclusion. Case: A 64-year-old male complained of being unable to chew properly. Extraoral examination revealed a concave profile with a protrusive mandible. The patient exhibits a 5 mm anterior crossbite and has missing lower posterior molars, resulting in bilateral PBC. The cephalometric analysis revealed skeletal Class III patterns (SNA: 82.19o; SNB: 86.34o; ANB: -4.15°), with protrusion and counterclockwise rotation of the mandible (SN-OP: 3.84o). Case Management: By utilizing a 3D-printed bite riser in conjunction with temporary anchoring devices (TADs), it is possible to resolve the issue of an anterior crossbite accompanied by PBC. This is achieved by repositioning the elongated posterior segments on both sides of the maxilla to generate vertical space for mandibular tooth rehabilitation, retracting the anterior segment, and narrowing the lower arch. Simultaneously, the crossbite on both sides was corrected, a Class I and ideal overbite and overjet were achieved, the occlusal vertical dimension increased, the occlusal plane angle was corrected (7.51o), and an acceptable ANB angle (-1.36°) was accomplished. The treatment lasted 18 months and yielded sustained results after a one-year retention period. Conclusion: Integrating 3D printing technology in orthodontic treatment offers numerous options for managing challenging cases such as PBC while also reducing the treatment length. The patient was satisfied with the results achieved.
Exploring the potential of bromelain in orthodontic treatment Estuningtyas, Maria Felicitas Ajeng; Karunia, Dyah; Retnaningrum, Yanuarti
Majalah Kedokteran Gigi Indonesia Vol 11, No 2 (2025): August
Publisher : Faculty of Dentistry, Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/majkedgiind.109296

Abstract

Bromelain, a proteolytic enzyme derived from pineapple, has attracted significant attention in both medicine and dentistry due to its diverse therapeutic properties. It has been widely studied for its anti-inflammatory, digestive, and wound-healing effects. In dentistry, bromelain has been investigated for applications such as reducing postoperative pain, facilitating enamel deproteinization, aiding in caries removal, and serving as an endodontic irrigant. In orthodontics, its potential lies in deproteinizing enamel to improve the bond strength of orthodontic brackets during placement. Studies suggest that applying bromelain prior to acid etching can enhance bracket bond strength, providing a safer and more efficient alternative to sodium hypochlorite. It has also shown promise in reducing plaque accumulation and gingivitis, particularly in patients with fixed orthodontic appliances. Bromelain’s antibacterial and anti-inflammatory properties support its role in maintaining oral hygiene and promoting healing. However, most existing evidence comes from in vitro or short-term clinical studies. Long-term clinical trials are needed to confirm its safety and efficacy in routine orthodontic practice.