The Angle orthodontist最新文献_第9页

Craniofacial growth prediction models based on cephalometric landmarks in Korean and American children. 基于头颅测量标志的韩国和美国儿童颅面生长预测模型。

The Angle orthodontist Pub Date : 2025-03-01 DOI: 10.2319/052324-399.1

Jong-Hak Kim, Jun-Ho Moon, Jeffrey Roseth, Heeyeon Suh, Heesoo Oh, Shin-Jae Lee

{"title":"Craniofacial growth prediction models based on cephalometric landmarks in Korean and American children.","authors":"Jong-Hak Kim, Jun-Ho Moon, Jeffrey Roseth, Heeyeon Suh, Heesoo Oh, Shin-Jae Lee","doi":"10.2319/052324-399.1","DOIUrl":"10.2319/052324-399.1","url":null,"abstract":"Objectives: To compare differences in craniofacial growth prediction results for Korean and American children according to growth prediction models developed using Korean and American longitudinal growth data.Materials and methods: Growth prediction models based on cephalometric landmarks were built for each population using longitudinally taken lateral cephalograms of Korean children and American children of northern European origin. The sample sizes of the serial datasets were 679 and 1257 for Korean and American children, respectively. On each cephalogram, 78 cephalometric landmarks were identified. The prediction models were based on the partial least squares method with 160 input and 154 output variables. For each group, growth was predicted by applying the prediction models developed using data from the same and different populations. The growth prediction results were compared and analyzed.Results: The growth prediction results obtained with the prediction model developed using data from the same population were more accurate (P < .0001). The results distinctively visualized the discrepancies in the growth prediction results if different population types were not considered.Conclusions: Applying a growth prediction model generated using data from the same population may be desirable.","PeriodicalId":94224,"journal":{"name":"The Angle orthodontist","volume":" ","pages":"219-226"},"PeriodicalIF":0.0,"publicationDate":"2025-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11842116/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142974215","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Comparison of patient testimonials of orthognathic surgery on YouTube and TikTok. YouTube和TikTok上正颌手术患者评价的比较。

The Angle orthodontist Pub Date : 2025-03-01 DOI: 10.2319/071724-571.1

Arianna Alvarado Garcia, Leah Rahman, Mathew J Gregoski, Ildeu Andrade

{"title":"Comparison of patient testimonials of orthognathic surgery on YouTube and TikTok.","authors":"Arianna Alvarado Garcia, Leah Rahman, Mathew J Gregoski, Ildeu Andrade","doi":"10.2319/071724-571.1","DOIUrl":"10.2319/071724-571.1","url":null,"abstract":"Objectives: To investigate and compare the educational value of the most popular testimonials between TikTok (TT) and YouTube (YT), and to classify the emotional response of viewers through sentiment analysis of video comments on both platforms involving orthodontic patients who will undergo orthognathic surgery.Materials and methods: Two distinct social media searches were conducted using specific search phrases on TT and YT. For each search phrase, 30 videos were gathered from each platform, and details such as number of views, likes, and comments were recorded for each video. Each video was then evaluated for completeness of information using an Information Completeness Score (ICS). A set of comments were collected for each video, and a Sentiment Analysis Score (SAS) was assigned using Azure Machine Learning.Results: TT had a higher number of views, likes, and comments. YT videos had a significantly higher ICS than TT (P < .0001). No statistically significant difference was found when evaluating SAS between the platforms or across phrase groups (P > .05), and no relationship was found between views, likes, comments, and SAS or ICS.Conclusions: YT had higher-quality information within patient testimonials posted due to higher ICS values found than TT. Patient testimonials were not determined to have a positive or negative influence on potential patient opinions in either platform. Orthodontists should leverage their own TT profiles to help direct patients toward meaningful YT testimonials through informative video links.","PeriodicalId":94224,"journal":{"name":"The Angle orthodontist","volume":" ","pages":"199-204"},"PeriodicalIF":0.0,"publicationDate":"2025-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11842115/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143070578","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Incidence of unexpected condylar displacement following comprehensive orthodontic treatment in adults. 成人综合正畸治疗后髁突意外移位的发生率。

The Angle orthodontist Pub Date : 2025-03-01 DOI: 10.2319/010924-24.1

Hosik Jang, Ji-Hyun Lee, Tung Nguyen, Kyung-Ho Kim, Chooryung J Chung

{"title":"Incidence of unexpected condylar displacement following comprehensive orthodontic treatment in adults.","authors":"Hosik Jang, Ji-Hyun Lee, Tung Nguyen, Kyung-Ho Kim, Chooryung J Chung","doi":"10.2319/010924-24.1","DOIUrl":"10.2319/010924-24.1","url":null,"abstract":"Objectives: To evaluate the incidence and pattern of unexpected/excessive condylar displacement after comprehensive orthodontic treatment in adults.Materials and methods: Adult patients (age ≥18 years) who underwent comprehensive orthodontic treatment with pre-(T1) and post-treatment (T2) cone beam computed tomography scans were consecutively collected within an orthodontic cohort (N = 291). T1 and T2 CBCTs were superimposed three-dimensionally (3D) and condylar displacement was estimated by the 3D changes of condylar neck point (CdN) between T1 and T2 (ΔCdN). Participants with excessive condylar displacement (ΔCdN >1 mm) were classified as condylar displacement (+) and otherwise as displacement (-). The incidence and pattern of condylar displacement, association with factors such as sex, age, skeletal relationship, extraction pattern, treatment duration, history of temporomandibular joint disorder, and presence of condylar resorption with the final occlusal outcome were investigated.Results: The incidence of unexpected condylar displacement >1 mm in the adult orthodontic cohort was 6.2%. Females (vs males; OR: 9.07; [95% CI: 1.19-69.23]) and Skeletal Class II (vs Classes I and III; OR: 4.57 [95% CI: 1.58-13.20]) demonstrated significantly higher odds of unexpected condylar displacement (P < .05). Condylar resorption was not evident in participants with condylar displacement and did not interfere with the final orthodontic outcome.Conclusions: Unexpected 3D condylar displacement exceeding 1 mm was noted in approximately 6% of the adult orthodontic patient cohort. However, the condylar displacement per se was not associated with condylar resorption and did not cause clinical concerns.","PeriodicalId":94224,"journal":{"name":"The Angle orthodontist","volume":" ","pages":"179-187"},"PeriodicalIF":0.0,"publicationDate":"2025-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11842111/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142484729","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Letters From Our Readers. 读者来信。

The Angle orthodontist Pub Date : 2025-03-01 DOI: 10.2319/1945-7103-95.2.241

Phimon Atsawasuwan

引用次数: 0

Treatment effects of modified miniscrew-assisted rapid palatal expander and rapid palatal expander for molar distalization. 改良微型辅助快速扩腭器和快速扩腭器治疗磨牙远端的效果。

The Angle orthodontist Pub Date : 2025-03-01 DOI: 10.2319/042024-308.1

Jae Hyun Park, Tae-Hyun Choi, Moon-Jung Jang, So-Yeon Kim, Nam-Ki Lee

{"title":"Treatment effects of modified miniscrew-assisted rapid palatal expander and rapid palatal expander for molar distalization.","authors":"Jae Hyun Park, Tae-Hyun Choi, Moon-Jung Jang, So-Yeon Kim, Nam-Ki Lee","doi":"10.2319/042024-308.1","DOIUrl":"10.2319/042024-308.1","url":null,"abstract":"Objectives: To evaluate the treatment effects of the modified miniscrew-assisted rapid palatal expander (MARPE) and rapid palatal expander (RPE) with distalizers in patients with Class II malocclusion and maxillary crowding.Materials and methods: The sample comprised 28 skeletal Class I adolescents with dental Class II malocclusion and maxillary crowding of >4 mm who received nonextraction treatment. Fourteen patients were treated with a modified MARPE with distalizer (MMD), while another 14 patients were treated with a modified RPE with distalizer (MRD). Lateral cephalograms and study casts were taken at pretreatment (T1) and after expansion, distalization, and at the initiation of alignment (T2). Twenty-nine variables were compared using a Bonferroni-adjusted independent t-test and a Mann-Whitney U-test.Results: From T1 to T2, the maxillary first molars in the MMD group exhibited distalization of 3.0 mm and 2.4 mm at the crown and root (P < .001) compared with 2.1 mm and 1.4 mm in the MRD group. However, no significant difference was found in distalization between the two groups. The first molars in the MRD group showed a significantly greater distal tipping of 2.8° than in the MMD group (P < .001).Conclusions: Although both groups showed maxillary molar distalization, the MMD group had no distal molar tipping, while there was significant molar tipping in the MRD group. It can be useful to plan nonextraction treatment with maxillary expansion and molar distalization in patients with Class II malocclusion and a narrow maxillary arch.","PeriodicalId":94224,"journal":{"name":"The Angle orthodontist","volume":" ","pages":"157-165"},"PeriodicalIF":0.0,"publicationDate":"2025-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11842109/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142974190","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Effect of orthodontic treatment on traumatized teeth treated by regenerative endodontic procedure. 再生牙髓治疗损伤牙的正畸治疗效果。

The Angle orthodontist Pub Date : 2025-03-01 DOI: 10.2319/030924-197.1

Margarita Yoshpe, Arieh Y Kaufman, Shmuel Einy

{"title":"Effect of orthodontic treatment on traumatized teeth treated by regenerative endodontic procedure.","authors":"Margarita Yoshpe, Arieh Y Kaufman, Shmuel Einy","doi":"10.2319/030924-197.1","DOIUrl":"10.2319/030924-197.1","url":null,"abstract":"Objectives: To evaluate the effect of orthodontic movement on traumatized teeth treated with the regenerative endodontic procedure (REP).Materials and methods: The increase of the radiographic root area (RRA) of each REP tooth was measured at each follow-up visit after the end of orthodontic treatment. The study included two experimental groups of patients aged 7-17 with REP-treated teeth. The Ortho REP group consisted of eight patients who underwent orthodontic treatment, whereas the second group (no Ortho REP group) included seven patients who did not receive orthodontic treatment. The control groups comprised the same patients and their homologous or adjacent healthy teeth that did not undergo REP treatment.Results: Orthodontic treatment did not negatively affect root development of immature, traumatized REP-treated teeth during the treatment or retention periods. Additionally, the increase in RRA in regenerated teeth was age-dependent, with the greatest RRA increase in young patients.Conclusions: Close collaborative endodontic-orthodontic follow-up is recommended to ensure favorable results. The findings suggest that REP-treated teeth may undergo orthodontic treatment without adverse effects.","PeriodicalId":94224,"journal":{"name":"The Angle orthodontist","volume":" ","pages":"173-178"},"PeriodicalIF":0.0,"publicationDate":"2025-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11842107/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142981140","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Treatment outcomes and short-term stability in adult anterior openbite patients treated with or without extractions: a National Dental Practice-Based Research Network study. 有或没有拔牙治疗的成人前牙开放患者的治疗结果和短期稳定性：一项基于国家牙科实践的研究网络研究。

The Angle orthodontist Pub Date : 2025-03-01 DOI: 10.2319/070224-518.1

Geoffrey M Greenlee, Jessica L Collins, Brian Leroux, Veerasathpurush Allareddy, Cameron Jolley, Kyungsup Shin, Michael Vermette, Greg J Huang

{"title":"Treatment outcomes and short-term stability in adult anterior openbite patients treated with or without extractions: a National Dental Practice-Based Research Network study.","authors":"Geoffrey M Greenlee, Jessica L Collins, Brian Leroux, Veerasathpurush Allareddy, Cameron Jolley, Kyungsup Shin, Michael Vermette, Greg J Huang","doi":"10.2319/070224-518.1","DOIUrl":"10.2319/070224-518.1","url":null,"abstract":"Objectives: To investigate whether extractions in adult anterior openbite (AOB) patients lead to improved treatment outcomes and better short-term stability.Materials and methods: Records of extraction (EXT) and nonextraction (NE) adult patients were identified from all patients treated with fixed appliances through the National Dental Practice-Based Research Network. Photographic Openbite Severity Index was used to assess treatment success and stability. Skeletal, dental, and soft tissue treatment outcomes were evaluated using cephalometric analysis.Results: Pretreatment and posttreatment records were collected for 115 patients. Thirty-three were treated with extractions; 82 were treated without extractions. The EXT group was younger, more crowded, and had less previous orthodontic treatment. Success rate of AOB correction in the EXT group was slightly higher (97%) than the NE group (92%) but not statistically different. No significant differences were observed in skeletal outcomes. The EXT group exhibited more lingual tipping and posterior movement of maxillary and mandibular incisors and less extrusion of mandibular incisors. Dental changes in the EXT group were associated with increased nasolabial angle and lip retraction. The small number of patients with AOB relapse did not provide enough power to identify differences in stability between the two groups.Conclusions: Orthodontists have high success correcting AOB with or without extractions. The EXT group displayed more retraction and lingual tipping of incisors as well as increased retraction of soft tissues. Stability of AOB closure was more than 90% for both groups after 1 year, with marginal increases in stability after extractions.","PeriodicalId":94224,"journal":{"name":"The Angle orthodontist","volume":" ","pages":"149-156"},"PeriodicalIF":0.0,"publicationDate":"2025-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11842112/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143070581","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Orthodontic forces and moments of three-bracket geometries. 正畸力和力矩的三支架几何。

IF 3.2

The Angle orthodontist Pub Date : 2025-02-24 DOI: 10.2319/043024-339.1

Matthew H Kei, Paul M Schneider, Marie A Cornelis, Paolo M Cattaneo

{"title":"Orthodontic forces and moments of three-bracket geometries.","authors":"Matthew H Kei, Paul M Schneider, Marie A Cornelis, Paolo M Cattaneo","doi":"10.2319/043024-339.1","DOIUrl":"10.2319/043024-339.1","url":null,"abstract":"Objectives: To test the hypothesis of Burstone and Koenig that a three-bracket geometry can be simplified into two adjacent two-bracket geometries, to evaluate the impact of a third bracket on two-bracket geometries, to identify the force systems of 36 three-bracket geometries using archwires of different materials, and to apply these principles to clinical scenarios.Materials and methods: A custom-designed orthodontic force jig supported three force transducers fitted with passive self-ligating brackets (Brackets A, B, and C). In Experiment 1, the force system of a three-bracket geometry was compared with two adjacent two-bracket geometries. In Experiment 2, 36 three-bracket geometries were tested when straight wires of varying materials were engaged.Results: Experiment 1 results showed that the force system of a three-bracket geometry could be simplified into two adjacent two-bracket geometries. Experiment 2 results showed that the impact of the third bracket (Bracket C) affected the force system of the adjacent bracket only (Bracket B), with Bracket C having no statistically significant effect on the force systems at Bracket A. A distinct pattern of forces and moments was found in each of the 36 three-bracket geometries.Conclusions: In this study, we experimentally validated the hypothesis of Burstone and Koenig, showing that a three-bracket geometry can be simplified into two adjacent two-bracket geometries. The force system of 36 three-bracket geometries was determined, assisting clinicians with better anticipating previously unpredicted and undesirable movements, thereby improving treatment efficiency.","PeriodicalId":94224,"journal":{"name":"The Angle orthodontist","volume":" ","pages":"379-388"},"PeriodicalIF":3.2,"publicationDate":"2025-02-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12418965/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143485212","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Anterior retraction with a canine implant in the way using clear aligner: a case report. 前牙内收与犬种植体的方式使用明确对准：1例报告。

The Angle orthodontist Pub Date : 2025-01-13 DOI: 10.2319/041624-302.1

Xu Zhang, Pochun Lin, Naiqi Liao, Quan Yuan, Yu Li

{"title":"Anterior retraction with a canine implant in the way using clear aligner: a case report.","authors":"Xu Zhang, Pochun Lin, Naiqi Liao, Quan Yuan, Yu Li","doi":"10.2319/041624-302.1","DOIUrl":"https://doi.org/10.2319/041624-302.1","url":null,"abstract":"Objective: A 26-year-old woman came for orthodontic treatment to improve her profile with protrusive lips. Diagnosed as bimaxillary protrusion, extraction followed by anterior retraction was indispensable for the case. However, her left upper lateral incisor was absent, the left upper canine had moved mesially and replaced the adjacent incisor, and the original canine location was restored with a long implant, which was in good condition. Surgical removal of the implant would be tricky and might lead to atrophy of the alveolar bone. In addition, the upper left central incisor had a short, curved root, which could not undergo significant movement.Materials and methods: After crucial discussion between orthodontists and implantologists, based on digital setup, an innovative treatment plan was developed. Four incisors were extracted followed by clear aligner therapy for anterior retraction. An individualized zirconia abutment was installed on the upper left implant in a retroclined direction, cemented with a zirconia crown to replace the upper lateral incisor. Minimally invasive veneers were made to reshape the other upper incisors for better esthetics.Results: Finally, the patient had her profile greatly improved and the teeth well aligned without removal of the implant.Conclusion: Thus, the seemingly mission impossible was accomplished with a satisfactory outcome, thanks to imaginative treatment planning and delicate interdisciplinary collaboration based on digital simulation.","PeriodicalId":94224,"journal":{"name":"The Angle orthodontist","volume":" ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2025-01-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142974203","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

Orthodontic treatment for preserving periodontally hopeless teeth in a middle-aged patient: a case report. 正畸治疗保牙周无望的中年患者1例报告。

The Angle orthodontist Pub Date : 2025-01-13 DOI: 10.2319/041524-299.1

Hai-Van Giap, Seung-Hyun Kang, Jeong-Won Paik, Kyung Chul Oh, Kee-Joon Lee

{"title":"Orthodontic treatment for preserving periodontally hopeless teeth in a middle-aged patient: a case report.","authors":"Hai-Van Giap, Seung-Hyun Kang, Jeong-Won Paik, Kyung Chul Oh, Kee-Joon Lee","doi":"10.2319/041524-299.1","DOIUrl":"https://doi.org/10.2319/041524-299.1","url":null,"abstract":"In this case report, we show a strategic approach to prolonging the lifespan of pathologically migrated maxillary canines with a hopeless prognosis in a 57-year-old female patient, highlighting the potential of orthodontic management for middle-aged patients to enhance both occlusion and facial esthetics while minimizing the need for extensive prosthetic treatment. According to the visual treatment objective, the nonextraction treatment plan showed advantages in the type of orthodontic tooth movement and final occlusal relationship. Therefore, considering the favorable periodontal treatment results and single-root teeth, the hopelessly migrated maxillary canines were relocated, eliminating the existing trauma from occlusion. Segmental tooth movement was performed, and orthodontic temporary skeletal anchorage devices were used to support strategic orthodontic tooth movement. After 27 months of treatment, proper occlusion was established with a significant improvement in facial esthetics. The periodontally compromised teeth were preserved with adequate periodontal support. The patient expressed satisfaction with the results, and the 30-month follow-up records confirmed the stability of treatment outcomes.","PeriodicalId":94224,"journal":{"name":"The Angle orthodontist","volume":" ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2025-01-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142974185","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