Orthodontic Waves最新文献_第8页

Stability of anterior open bite in permanent dentition treated using extraction or non-extraction methods: A systematic review and meta-analysis of each method 拔牙或非拔牙治疗恒牙列前开咬的稳定性:每种方法的系统回顾和荟萃分析

IF 0.4

Orthodontic Waves Pub Date : 2019-03-01 DOI: 10.1016/j.odw.2018.10.003

Pimchanok Foosiri, Chidsanu Changsiripun

{"title":"Stability of anterior open bite in permanent dentition treated using extraction or non-extraction methods: A systematic review and meta-analysis of each method","authors":"Pimchanok Foosiri, Chidsanu Changsiripun","doi":"10.1016/j.odw.2018.10.003","DOIUrl":"10.1016/j.odw.2018.10.003","url":null,"abstract":"<div><h3>Purpose</h3><p>To evaluate the literature on the stability of open bite<span> treatment using extraction or non-extraction methods.</span></p></div><div><h3>Methods</h3><p>Medline, Scopus, and Cochrane library were electronically searched until December 2017. Studies were considered for evaluation if they reported overbite measurements pre-treatment, post-treatment, and at least 1-year post-retention for non-surgical orthodontic patients with permanent dentition, treated by extraction or non-extraction methods The risk of bias of the selected articles was assessed.</p></div><div><h3>Results</h3><p>The search retrieved 985 articles, only 6 articles were included after applying the selection criteria. Two articles were case-control studies, and the other four were case series studies. The mean stability rates were 93.53% and 73.68% in extraction and non-extraction cases, respectively. Because each included study presented data of either the extraction or non-extraction method, it was not possible to perform a meta-analysis by pooling the results of the studies to compare the two methods. However, meta-analysis was conducted to compare the overbite between post-treatment and post-retention within each method. The results showed no significant change in extraction cases (mean difference (MD) 0.49, 95% CI −0.18–1.16; <em>P</em>   </em><0.00001).</p></div><div><h3>Conclusions</h3><p>Our findings indicated no significant relapse in extraction cases, but a significant relapse in non-extraction cases. However, due to no direct comparison, the optimum treatment method for open bite patients with permanent dentition remains questionable. Further studies with a high level of evidence that compare both treatment methods are needed to draw a definitive conclusion.</p></div>","PeriodicalId":43169,"journal":{"name":"Orthodontic Waves","volume":"78 1","pages":"Pages 1-10"},"PeriodicalIF":0.4,"publicationDate":"2019-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/j.odw.2018.10.003","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"48520781","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 6

Long term stability of treatment outcome after fixed orthodontic treatment with or without premolar extraction 固定正畸治疗前后前磨牙拔除的长期稳定性

IF 0.4

Orthodontic Waves Pub Date : 2019-03-01 DOI: 10.1016/j.odw.2018.12.001

Nameksh Raj Bhupali, Satinder Pal Singh, Sanjeev Verma, Vinay Kumar, Raj Kumar Verma

{"title":"Long term stability of treatment outcome after fixed orthodontic treatment with or without premolar extraction","authors":"Nameksh Raj Bhupali, Satinder Pal Singh, Sanjeev Verma, Vinay Kumar, Raj Kumar Verma","doi":"10.1016/j.odw.2018.12.001","DOIUrl":"10.1016/j.odw.2018.12.001","url":null,"abstract":"<div><h3>Purpose</h3><p><span><span>To evaluate and compare the long term stability of treatment outcome </span>in patients treated with fixed </span>orthodontic treatment<span> with and without premolar extractions.</span></p></div><div><h3>Material and methods</h3><p>Fifty five debonded patients (35 females and 20 males) with complete pre-treatment (T0) and post-treatment (T1) records with at least 3 years of post-retention (T2) were included in the study. These patients were divided into two groups; Extraction group comprising of 30 patients who had undergone 4 premolar extractions and non-extraction group had 25 patients. Long term stability of post-treatment occlusion was assessed with Little’s irregularity index, intercanine width and ABO model grading system.</p></div><div><h3>Results</h3><p><span>The incisor irregularity score increased in both extraction and non-extraction groups from post-treatment (T1) to post-retention (T2) and the mean changes were statistically significant. The results of Mann–Whitney test for Little’s irregularity index and intercanine width showed no statistically significant differences between the extraction and the non-extraction groups at T1 to T2. The overall mean changes in the ABO variables showed no statistically significant differences (P</span>  <!-->0.05) from post-treatment (T1) to post-retention phase (T2) in extraction and non-extraction groups except interproximal contacts, which showed a statistically significant difference.</p></div><div><h3>Conclusion</h3><p>There was significant relapse in the alignment of maxillary and mandibular anterior teeth with a change in Little’s irregularity score, intercanine width and ABO scores from post-treatment to post-retention. The comparison of relapse in extraction and non-extraction groups did not show significant differences from T1 to T2. Therefore, similar relapse may be expected irrespective of treatment plan.</p></div>","PeriodicalId":43169,"journal":{"name":"Orthodontic Waves","volume":"78 1","pages":"Pages 26-32"},"PeriodicalIF":0.4,"publicationDate":"2019-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/j.odw.2018.12.001","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"43389016","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 1

Determination of downs hard tissue cephalometric norms for Himachali Mongoloid tribes 喜马偕尔蒙古部落羽绒硬组织头颅测量标准的测定

IF 0.4

Orthodontic Waves Pub Date : 2019-03-01 DOI: 10.1016/j.odw.2018.10.002

Sanjeev Vaid , Santosh Verma , K.S. Negi , J.R Kaundal , Sankalp Sood , Aditi Malhotra

{"title":"Determination of downs hard tissue cephalometric norms for Himachali Mongoloid tribes","authors":"Sanjeev Vaid , Santosh Verma , K.S. Negi , J.R Kaundal , Sankalp Sood , Aditi Malhotra","doi":"10.1016/j.odw.2018.10.002","DOIUrl":"10.1016/j.odw.2018.10.002","url":null,"abstract":"<div><h3>Objective</h3><p>The purpose of this study was (a) to establish hard tissue cephalometric norms for the population of Himachali Mongoloid tribes, (b) to study the sexual dimorphism in hard tissue cephalometric norms of this population and (c) to compare the Himachali Mongoloid norms with the norms established by Downs.</p></div><div><h3>Material and method</h3><p>Sixty Himachali Mongoloid subjects were selected on the basis of Angle’s Class I molar relationship, well aligned arches, full complement of teeth, having clinically acceptable facial esthetics, no previous history of Orthodontic treatment, subjects native of the tribal belt of Himachal Pradesh. Lateral head films were traced and Downs cephalometric parameters were recorded. Statistical analysis was done to compare the difference between the established norm and the norm established by Downs for the Caucasian population.</p></div><div><h3>Result</h3><p>Significant difference was seen in the Angle of convexity, with Himachali Mongoloid tribe population having a more forwardly positioned middle part of the face. This population had less steeper cant of occlusal<span> plane, more acute interincisal angle, more inclined lower incisors in relation to the mandibular and the occlusal plane and more forwardly positioned maxillary incisor in relation to the A-pog line.</span></p></div><div><h3>Conclusion</h3><p>These findings suggested that ethnic differences in the facial traits exist and awareness of dentofacial pattern of each ethnic group will ensure better success of the treatment in establishing optimal facial harmony.</p></div>","PeriodicalId":43169,"journal":{"name":"Orthodontic Waves","volume":"78 1","pages":"Pages 11-17"},"PeriodicalIF":0.4,"publicationDate":"2019-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/j.odw.2018.10.002","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"45313940","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 3

Orthodontic intervention to a patient injured in a traffic accident 在交通事故中受伤的病人的正畸治疗

IF 0.4

Orthodontic Waves Pub Date : 2019-03-01 DOI: 10.1016/j.odw.2018.10.001

Mai Fujimoto, Yuichiro Otsuka, Naoto Suda

引用次数: 0

Mapping of palatal bone thickness using computed tomography for placement of mini screws — A comparative study between genders, adolescents and adults 使用计算机断层扫描绘制腭骨厚度用于放置微型螺钉-性别，青少年和成人之间的比较研究

IF 0.4

Orthodontic Waves Pub Date : 2019-03-01 DOI: 10.1016/j.odw.2018.11.001

Soham Mallick , Murali P.S. , Kuttappa M.N. , Ashutosh Shetty , Ravi M.S. , Krishna Nayak

{"title":"Mapping of palatal bone thickness using computed tomography for placement of mini screws — A comparative study between genders, adolescents and adults","authors":"Soham Mallick , Murali P.S. , Kuttappa M.N. , Ashutosh Shetty , Ravi M.S. , Krishna Nayak","doi":"10.1016/j.odw.2018.11.001","DOIUrl":"10.1016/j.odw.2018.11.001","url":null,"abstract":"<div><h3>Purpose</h3><p><span><span>The purpose of this study is to determine variations in cortical bone heights and thickness of the hard </span>palate for placing </span>orthodontic<span> mini screws. Additionally it was evaluated whether there are any significant variations between males and females, adolescents and adults, right and left sides of the hard palate in the study population.</span></p></div><div><h3>Materials and methods</h3><p>CBCT images of 50 patients were retrospectively analysed. Patients were divided into sub-groups: 25 males and females, 24 adolescents (age range 10–19 years) and 26 adults (age range 20–27 years). Hard palate heights and thicknesses were analysed from the incisive fossa to the inter-embrasure region between the 1st and 2nd molars were analysed.</p></div><div><h3>Results</h3><p>The data revealed that the overall greatest thickness was at the canine-1st premolar embrasure region and the greatest height at the inter-premolar embrasure region. Males showed greater cortical thickness in almost all areas of the palate with significantly greater values in the inter-premolar region. Adolescents showed greater palatal heights than adults in almost all areas with significantly greater values in the inter-molar embrasures. The mid palatal regions showed significantly greater palatal heights in all subgroups.</p></div><div><h3>Conclusion</h3><p>Orthodontic Mini screws can be optimally placed in the anterior regions of the hard palate for all the groups studied. Males and adolescents showed greater cortical heights as compared to the female and adult population studied.</p></div>","PeriodicalId":43169,"journal":{"name":"Orthodontic Waves","volume":"78 1","pages":"Pages 18-25"},"PeriodicalIF":0.4,"publicationDate":"2019-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/j.odw.2018.11.001","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"48969107","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Three-dimensional lip morphology in skeletal Class I malocclusion with labial inclination of the upper central incisors 上中切牙唇倾的骨骼I类错颌的三维唇形态

IF 0.4

Orthodontic Waves Pub Date : 2019-03-01 DOI: 10.1016/j.odw.2019.01.001

Mie Sasaki, Wakako Tome, Aya Takeuchi, Noriyuki Kitai

{"title":"Three-dimensional lip morphology in skeletal Class I malocclusion with labial inclination of the upper central incisors","authors":"Mie Sasaki, Wakako Tome, Aya Takeuchi, Noriyuki Kitai","doi":"10.1016/j.odw.2019.01.001","DOIUrl":"10.1016/j.odw.2019.01.001","url":null,"abstract":"<div><h3>Purpose</h3><p><span>The purpose of the present study was to examine the three-dimensional (3D) lip morphology in cases of skeletal Class I malocclusion with labial inclination of the </span>upper central incisors.</p></div><div><h3>Materials and methods</h3><p>Thirty-five Japanese patients with malocclusion were divided into 2 groups: 20 patients (Test group; 9 males and 11 females; 7 years 5 months–14 years 2 months) who exhibited Class I malocclusion with labial inclination of the upper central incisors and 15 patients (Control group; 7 males and 8 females; 8 years 0 month–14 years 4 months) who exhibited skeletal Class I malocclusion with standard inclination of the upper central incisors. The 3D morphology of the facial soft tissue was recorded using a 3D surface-imaging device for both groups. The differences in the lip morphology variables between the Test and Control groups were then analyzed statistically.</p></div><div><h3>Results</h3><p>The central, right and left upper lip inclination angle in the lateral and three-quarter views in the Test group were significantly larger than those in the Control group. The upper lip base area, protrusion surface area, protrusion volume, and protrusion depth were significantly increased compared with the Control group, as were also the lower lip protrusion volume and depth. However, no significant differences in the lower lip base area and surface area were determined between the Test and Control groups.</p></div><div><h3>Conclusions</h3><p>The upper lip wholly showed labial inclination and forward protrusion in Class I malocclusion with labial inclination of the upper central incisors.</p></div>","PeriodicalId":43169,"journal":{"name":"Orthodontic Waves","volume":"78 1","pages":"Pages 33-38"},"PeriodicalIF":0.4,"publicationDate":"2019-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/j.odw.2019.01.001","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"45316190","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Numeric simulation model for long-term orthodontic tooth movement with contact boundary conditions using the finite element method 具有接触边界条件的正畸牙齿长期运动有限元数值模拟模型

IF 0.4

Orthodontic Waves Pub Date : 2018-12-01 DOI: 10.1016/j.odw.2018.09.004

Ryo Hamanaka , Satoshi Yamaoka , Tuan Nguyen Anh , Jun-ya Tominaga , Yoshiyuki Koga , Noriaki Yoshida

引用次数: 3

Buccal cortical bone thickness in different sagittal skeletal relationship 不同矢状面骨关系的颊皮质骨厚度

IF 0.4

Orthodontic Waves Pub Date : 2018-12-01 DOI: 10.1016/j.odw.2018.08.001

Nagham M. Al-Jaf , Rohaya Megat Abdul Wahab , Mohamed Ibrahim Abu Hassan

{"title":"Buccal cortical bone thickness in different sagittal skeletal relationship","authors":"Nagham M. Al-Jaf , Rohaya Megat Abdul Wahab , Mohamed Ibrahim Abu Hassan","doi":"10.1016/j.odw.2018.08.001","DOIUrl":"10.1016/j.odw.2018.08.001","url":null,"abstract":"<div><h3>Purpose</h3><p><span><span>To assess buccal cortical bone thickness of the alveolar process in the </span>maxilla<span> and mandible in subjects with different skeletal relationship as an aid in </span></span>orthodontic miniscrew placement.</p></div><div><h3>Materials and methods</h3><p><span>The study was carried out using cone-beam computed tomography (CBCT) images of 94 adult subjects with skeletal Class I, II or III sagittal relationship and normal mandibular plane angle. Buccal cortical bone thickness was obtained at the alveolar processes from canine to second molar at 2 different vertical levels (6, and 8</span> <span>mm) from the cementoenamel junction (CEJ). Analysis of variance (ANOVA) was used to analyse differences in cortical bone thickness.</span></p></div><div><h3>Results</h3><p><span>The difference in mean values of buccal Cortical thickness was significant between the three skeletal classes in both arches and all sites except for the site between first and second mandibular molars (P</span>  <span>0.05). In the mandible, buccal cortical plate was thickest between first and second molar in all skeletal classes. In the maxilla, the highest cortical bone thickness for Class I subjects was between first and second molar, for Class II subjects was between canine and first premolar, and for Class III subjects was between first and second premolar. Mandibular measurements increase apically and posteriorly in all skeletal classes.</span></p></div><div><h3>Conclusions</h3><p>Buccal cortical bone thickness could be influenced by skeletal relationship. The mandible shows a similar pattern for all skeletal classes. In the maxilla each skeletal relationship shows a different pattern. Skeletal relationship need to be considered in site choice for miniscrew placement.</p></div>","PeriodicalId":43169,"journal":{"name":"Orthodontic Waves","volume":"77 4","pages":"Pages 220-225"},"PeriodicalIF":0.4,"publicationDate":"2018-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/j.odw.2018.08.001","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"49435654","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 3

Adult patient with bilateral cleft lip and palate treated using bone graft followed by lateral distraction: A case report 成人双侧唇腭裂植骨加外侧撑开术1例

IF 0.4

Orthodontic Waves Pub Date : 2018-12-01 DOI: 10.1016/j.odw.2018.09.001

Ayaka Oka, Chihiro Tanikawa, Hiroshi Kurosaka, Takashi Yamashiro

引用次数: 0

Hyoid bone position related to gender and aging using lateral cephalometric radiographs 侧位头颅x线片与性别和年龄相关的舌骨位置

IF 0.4

Orthodontic Waves Pub Date : 2018-12-01 DOI: 10.1016/j.odw.2018.08.002

Yukiko Matsuda, Emi Ito, Yukinori Kimura, Kazuyuki Araki

{"title":"Hyoid bone position related to gender and aging using lateral cephalometric radiographs","authors":"Yukiko Matsuda, Emi Ito, Yukinori Kimura, Kazuyuki Araki","doi":"10.1016/j.odw.2018.08.002","DOIUrl":"10.1016/j.odw.2018.08.002","url":null,"abstract":"<div><h3>Purpose</h3><p><span>The purpose of this study was to assess hyoid bone<span> position related to gender and aging using lateral cephalometric radiographs in 22 to 84</span></span>      0.001). Among males, all measurements tended to increase significantly with age (<em>P<</em> <!-->0.001). In the over 60-year age group, the posterior position and rotation of the hyoid bone were almost the same for males and females.</p></div><div><h3>Conclusion</h3><p><span>Age-related changes in hyoid bone position may decrease swallowing safety. Oral frailty, an early sign of orofacial muscle weakness and functional deterioration, negatively influences </span>dental treatment and swallowing. The hyoid bone shifted to a posterior, rotated, and lower position with increasing age. Especially among males in the over 60-year age group, the hyoid bone had shifted significantly to a lower position. We should focus into the hyoid bone position in lateral cephalometric radiograph.</p></div>","PeriodicalId":43169,"journal":{"name":"Orthodontic Waves","volume":"77 4","pages":"Pages 226-231"},"PeriodicalIF":0.4,"publicationDate":"2018-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/j.odw.2018.08.002","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"45664312","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 6