Yavuz Selim Aslan, Mehmet Ali Yavan, Nihal Hamamci
{"title":"两种不同的微型螺钉支撑臼齿远端矫治方法在颊和腭区应用的回顾性比较。","authors":"Yavuz Selim Aslan, Mehmet Ali Yavan, Nihal Hamamci","doi":"10.1016/j.ejwf.2024.01.006","DOIUrl":null,"url":null,"abstract":"<div><h3>Background</h3><p>To compare dentofacial effects of distalization with miniscrew-supported pendulum and infrazygomatic crest miniscrews.</p></div><div><h3>Methods</h3><p>The study included 36 patients whose lateral cephalometric radiographs were obtained before (T0) and after (T1) distalization. Patients were divided into two groups according to the treatment methods: 1) distalization with miniscrew-supported pendulum (MSP) (<em>n</em> = 19; 14 girls and 5 boys; mean age 16.9 ± 1.46 years) and 2) distalization with infrazygomatic crest (IZC) miniscrews (<em>n</em> = 17; 8 girls and 9 boys; mean age 17.0 ± 1.68 years). Dental, skeletal and soft tissue measurements were performed on lateral cephalograms taken from individuals.</p></div><div><h3>Results</h3><p>A significant molar distalization was achieved both in the MSP group (3.52 ± 0.76 mm at 8.71 ± 2.02 months) and the IZC group (3.5 ± 0.74 mm at 9.7 ± 2.5 months) (<em>P</em> < 0.001 for both). Premolar distalization was significantly lower in the MSP group (1.73 ± 1.09 mm) than in the IZC group (2.81 ± 0.79 mm) (<em>P</em> < 0.01). Significant molar tipping was observed in both groups (<em>P</em> < 0.001), while no significant difference was found between the groups (<em>P</em> > 0.05). Retrusion of maxillary incisors were significantly higher in the IZC group (2.75 mm) than in the MSP group (0.98 mm) (<em>P</em> < 0.01). A significant difference was found between the two groups with regard to the changes in overjet and overbite (<em>P</em> < 0.05).</p></div><div><h3>Conclusions</h3><p>Both distalization methods were found to be effective in achieving a Class I molar relationship in patients with Class II malocclusion.</p></div>","PeriodicalId":43456,"journal":{"name":"Journal of the World Federation of Orthodontists","volume":"13 3","pages":"Pages 145-152"},"PeriodicalIF":2.6000,"publicationDate":"2024-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"Retrospective comparison of two different miniscrew-supported molar distalization methods applied in the buccal and palatal regions\",\"authors\":\"Yavuz Selim Aslan, Mehmet Ali Yavan, Nihal Hamamci\",\"doi\":\"10.1016/j.ejwf.2024.01.006\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"<div><h3>Background</h3><p>To compare dentofacial effects of distalization with miniscrew-supported pendulum and infrazygomatic crest miniscrews.</p></div><div><h3>Methods</h3><p>The study included 36 patients whose lateral cephalometric radiographs were obtained before (T0) and after (T1) distalization. Patients were divided into two groups according to the treatment methods: 1) distalization with miniscrew-supported pendulum (MSP) (<em>n</em> = 19; 14 girls and 5 boys; mean age 16.9 ± 1.46 years) and 2) distalization with infrazygomatic crest (IZC) miniscrews (<em>n</em> = 17; 8 girls and 9 boys; mean age 17.0 ± 1.68 years). Dental, skeletal and soft tissue measurements were performed on lateral cephalograms taken from individuals.</p></div><div><h3>Results</h3><p>A significant molar distalization was achieved both in the MSP group (3.52 ± 0.76 mm at 8.71 ± 2.02 months) and the IZC group (3.5 ± 0.74 mm at 9.7 ± 2.5 months) (<em>P</em> < 0.001 for both). Premolar distalization was significantly lower in the MSP group (1.73 ± 1.09 mm) than in the IZC group (2.81 ± 0.79 mm) (<em>P</em> < 0.01). Significant molar tipping was observed in both groups (<em>P</em> < 0.001), while no significant difference was found between the groups (<em>P</em> > 0.05). Retrusion of maxillary incisors were significantly higher in the IZC group (2.75 mm) than in the MSP group (0.98 mm) (<em>P</em> < 0.01). A significant difference was found between the two groups with regard to the changes in overjet and overbite (<em>P</em> < 0.05).</p></div><div><h3>Conclusions</h3><p>Both distalization methods were found to be effective in achieving a Class I molar relationship in patients with Class II malocclusion.</p></div>\",\"PeriodicalId\":43456,\"journal\":{\"name\":\"Journal of the World Federation of Orthodontists\",\"volume\":\"13 3\",\"pages\":\"Pages 145-152\"},\"PeriodicalIF\":2.6000,\"publicationDate\":\"2024-06-01\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Journal of the World Federation of Orthodontists\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://www.sciencedirect.com/science/article/pii/S2212443824000110\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"Q1\",\"JCRName\":\"DENTISTRY, ORAL SURGERY & MEDICINE\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Journal of the World Federation of Orthodontists","FirstCategoryId":"1085","ListUrlMain":"https://www.sciencedirect.com/science/article/pii/S2212443824000110","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q1","JCRName":"DENTISTRY, ORAL SURGERY & MEDICINE","Score":null,"Total":0}
Retrospective comparison of two different miniscrew-supported molar distalization methods applied in the buccal and palatal regions
Background
To compare dentofacial effects of distalization with miniscrew-supported pendulum and infrazygomatic crest miniscrews.
Methods
The study included 36 patients whose lateral cephalometric radiographs were obtained before (T0) and after (T1) distalization. Patients were divided into two groups according to the treatment methods: 1) distalization with miniscrew-supported pendulum (MSP) (n = 19; 14 girls and 5 boys; mean age 16.9 ± 1.46 years) and 2) distalization with infrazygomatic crest (IZC) miniscrews (n = 17; 8 girls and 9 boys; mean age 17.0 ± 1.68 years). Dental, skeletal and soft tissue measurements were performed on lateral cephalograms taken from individuals.
Results
A significant molar distalization was achieved both in the MSP group (3.52 ± 0.76 mm at 8.71 ± 2.02 months) and the IZC group (3.5 ± 0.74 mm at 9.7 ± 2.5 months) (P < 0.001 for both). Premolar distalization was significantly lower in the MSP group (1.73 ± 1.09 mm) than in the IZC group (2.81 ± 0.79 mm) (P < 0.01). Significant molar tipping was observed in both groups (P < 0.001), while no significant difference was found between the groups (P > 0.05). Retrusion of maxillary incisors were significantly higher in the IZC group (2.75 mm) than in the MSP group (0.98 mm) (P < 0.01). A significant difference was found between the two groups with regard to the changes in overjet and overbite (P < 0.05).
Conclusions
Both distalization methods were found to be effective in achieving a Class I molar relationship in patients with Class II malocclusion.
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