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Simplified Appliance for Lip Biting Habit—A Case Report 治疗咬唇习惯的简化器具--病例报告
Pub Date : 2023-12-30 DOI: 10.1177/03015742231214378
Rakesh Mohode, Aayushi Chauhan, Rajan Mahindra
Lip biting habit can cause severe malocclusions and should be intercepted early in age. The lip bumper device is a helpful treatment as it can stop the habit and prevent the resulting malocclusion. Lip biting habit is intercepted by removable or fixed lip bumper. A simplified appliance for lip biting habit that is easy to fabricate and is more accepted and comfortable for the patient was designed. It consists of a thermoplastic sheet with a labial acrylic pad as in a conventional lip bumper appliance. Improved patient compliance was noted with added advantage of ability to maintain better oral hygiene.
咬唇的习惯会导致严重的错颌畸形,因此应及早纠正。唇保险杠装置是一种有效的治疗方法,因为它可以阻止咬唇习惯并防止由此导致的错颌畸形。咬唇习惯可以通过活动或固定的唇防撞器来阻断。针对咬唇习惯,我们设计了一种简化的矫治器,这种矫治器易于制作,患者更容易接受,也更舒适。它与传统的唇防撞器一样,由带有唇部丙烯酸垫的热塑薄片组成。患者的依从性得到了改善,而且还能更好地保持口腔卫生。
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引用次数: 0
Comparison of Slot Deformation in Different Types of Bracket During Torque Application—A Finite Element Study 不同类型托架在施加扭矩时槽变形的比较--有限元研究
Pub Date : 2023-12-11 DOI: 10.1177/03015742231210722
Umar Hussain Shah, Anil Singla, Vivek Mahajan, H. S. Jaj, Indu Dhiman, Shikha Thakur
Torque in orthodontics plays a significant role in final positioning of the teeth. This twisting force in wire helps in transferring the applied forces to bracket, which sometimes causes deformation of slot. This slot deformation can vary torque prescription and affect tooth position. To compare the deformation of slots of different bracket materials after torque application using finite element analysis. A finite element model of maxillary central incisor with bracket slot 0.022 × 0.028 inch dimensions was constructed. The different bracket materials such as stainless steel (SS), ceramic, and titanium were used with rectangular SS archwire (0.019 × 0.025 inch). The slot deformation was obtained after various degrees of torque application at 5°, 10°, 15°, and 20°. This slot deformation was also seen at the top, middle, and bottom locations in the slot. All these models were then analyzed using the Ansys software. The results showed that there was a gradual increase in deformation of all the bracket slot walls from bottom to top locations. The bracket slot deformation for 20° twist was 0.78, 1.85, and 4.53mm (SS); 0.24, 0.70, and 2.50 mm (ceramic bracket), and 1.82, 2.85, and 4.83 mm (titanium brackets) in bottom, middle, and top slot wall locations, respectively. Slot deformation was seen highest in titanium brackets and least in ceramic brackets. Further in the slot wall, the deformation was highest in top location as compared to middle and bottom locations.
正畸中的扭力对牙齿的最终定位起着重要作用。钢丝的扭转力有助于将作用力传递到托槽,有时会导致槽沟变形。这种槽沟变形会改变扭矩处方并影响牙齿位置。利用有限元分析比较不同托槽材料在施加扭矩后的变形情况。建立了上颌中切牙的有限元模型,托槽尺寸为 0.022 × 0.028 英寸。使用了不同的托槽材料,如不锈钢(SS)、陶瓷和钛,以及矩形 SS 弓丝(0.019 × 0.025 英寸)。在施加 5°、10°、15° 和 20°不同程度的扭矩后,槽沟出现变形。槽的顶部、中部和底部位置也出现了变形。然后使用 Ansys 软件对所有这些模型进行了分析。结果表明,所有支架槽壁的变形都是从底部到顶部逐渐增加的。扭转 20° 时,支架槽壁底部、中部和顶部的变形分别为 0.78、1.85 和 4.53 毫米(SS);0.24、0.70 和 2.50 毫米(陶瓷支架);1.82、2.85 和 4.83 毫米(钛支架)。钛支架的槽壁变形最大,陶瓷支架最小。此外,与中间和底部位置相比,顶部位置的槽壁变形最大。
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引用次数: 0
Evaluation of the Midpalatal Suture and its Correlation with the Cervical Vertebral Maturation Stages and Second Molar Mineralization Stages: A CBCT Study 评估腭中缝及其与颈椎成熟阶段和第二磨牙矿化阶段的相关性:CBCT 研究
Pub Date : 2023-12-09 DOI: 10.1177/03015742231210417
Naveen Munusamy, P. Tandon, Gyan Singh, G. Singh, A. Nagar, Ranjit Patil
To evaluate and correlate the maturation stage of the midpalatal suture, CVM stages, mandibular left second molar mineralization stages of the subjects by CBCT. One hundred subjects (55 males and 45 females) with a mean age of 13.56 ± 4.46 years, were divided into five midpalatal suture maturational stage groups (A to E). Cervical vertebral maturational stages on lateral cephalograms and second molar mineralization stages on orthopantograms from the CBCT images obtained from Carestream CS 9300C 3D system were analyzed and correlation among them were calculated by Spearman’s coefficient of correlation and midpalatal suture maturation stage prediction accuracy estimated with sensitivity, specificity, positive predictive value, and likelihood ratio. Spearman’s correlation analysis showed a highly significant (p value < .001) and positive correlation between MPS stage and CVM Stage (r = 0.930), MPS stage and mandibular left second molar mineralization stage (r = 0.757), and CVM stage and mandibular left second molar mineralization stage (r = 0.760). Cervical vertebral maturation stages 1,2, and 3 can be used clinically to predict the midpalatal suture maturation stages A, B, and C, respectively, as their likelihood ratios were more than 10. Second molar mineralization stages had less predictive value for MPS stages.
目的:通过CBCT评价和关联受试者中腭缝合线的成熟阶段、CVM阶段、下颌左第二磨牙矿化阶段。100例,男55例,女45例,平均年龄13.56±4.46岁;采用Carestream CS 9300C 3D系统采集的CBCT图像,对侧位头颅片上的颈椎成熟分期和正骨图上的第二磨牙矿化分期进行分析,采用Spearman相关系数计算两者之间的相关性,以敏感性、特异性、阳性预测值估算中腭缝合成熟分期预测精度。和似然比。Spearman相关分析显示,MPS分期与CVM分期(r = 0.930)、MPS分期与下颌左侧第二磨牙矿化期(r = 0.757)、CVM分期与下颌左侧第二磨牙矿化期(r = 0.760)呈正相关(p值< 0.001)。颈椎成熟阶段1、2、3在临床上可分别用于预测中腭缝合成熟阶段A、B、C,其似然比均大于10。第二磨牙矿化期对MPS期的预测价值较低。
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引用次数: 0
Role of Growth Hormone Therapy in Craniofacial Development of Children with or without Growth Hormone Deficiency—A Systematic Review 生长激素疗法在生长激素缺乏症儿童颅面发育中的作用--系统综述
Pub Date : 2023-12-09 DOI: 10.1177/03015742231210061
S. S. Khedkar, U. Shenoy, Sujoy Banerjee, Ananya Hazare, Himija Karia, Pritam Khorgade
To evaluate effect of growth hormone (GH) therapy in craniofacial development in children with or without growth hormone deficiency. The systematic review was conducted by searching the electronic databases—PubMed, Cochrane clinical trials register, Google scholar, and EBSCO host. Randomized controlled trials and observational studies published till January 2022 were included. The risk of bias was assessed by Risk-Of-Bias VISualization (ROBVIS) tool. The risk of bias of the included studies was presented as a “traffic light” plot of individual studies and a summary diagram. Data was studied by two authors and any dispute was resolved by another reviewer. A total of 964 articles were obtained through electronic database search. After eliminating the duplicates, 13 articles met inclusion criteria. Of the 13 studies, 8 studies had moderate risk of bias, 2 had serious risk of bias, and 1 had critical risk of bias as per the ROBINS-I assessment. According to the RoB 2, two studies were having high risk of bias. The maxillary length, the mandibular length, and the cranial base length increased post-GH therapy, causing an overall increase in the facial height. The limitation of GH therapy was in the transverse direction as maxillary and mandibular arch dimensions remained almost equal to those in the untreated subjects. Dentition had minimal influence of GH therapy. The systematic review was registered in the International Prospective Register of Systematic Reviews database under CRD42021257044.
评价生长激素(GH)治疗对有或无生长激素缺乏症儿童颅面发育的影响。系统评价通过检索pubmed、Cochrane临床试验注册、Google scholar和EBSCO主机等电子数据库进行。纳入了截至2022年1月发表的随机对照试验和观察性研究。偏倚风险可视化(ROBVIS)工具评估偏倚风险。纳入研究的偏倚风险以单个研究的“红绿灯”图和摘要图的形式呈现。数据由两位作者研究,任何争议由另一位审稿人解决。通过电子数据库检索共获得964篇文章。排除重复后,13篇文章符合纳入标准。在13项研究中,根据ROBINS-I评估,8项研究具有中度偏倚风险,2项具有严重偏倚风险,1项具有严重偏倚风险。根据罗布2,有两项研究存在高偏倚风险。生长激素治疗后,上颌长度、下颌骨长度和颅底长度增加,导致面部高度总体增加。生长激素治疗的局限性是在横向,因为上颌和下颌弓的尺寸几乎与未治疗的受试者相同。生长激素治疗对牙列的影响最小。该系统评价已在国际前瞻性系统评价注册数据库中注册,编号为CRD42021257044。
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引用次数: 0
Publication Trends in the American Journal of Orthodontics and Dentofacial Orthopedics During the Period 2013–2022: An Analysis 2013-2022 年期间《美国牙科正畸和颌面矫形学杂志》的出版趋势:分析
Pub Date : 2023-11-30 DOI: 10.1177/03015742231210735
M. J, Sofitha M D, G. Chandralekha
Publication trends are pointers to areas of scientific interest and enquiry. The aim of this study is to peruse the American Journal of Orthodontics and Dentofacial Orthopaedics (AJODO) over a 10 years’ period between 2013 and 2022 for original articles. The objective of the study is to analyze topic wise distribution, geographical location of contributors, and specific contribution from India. Original articles alone were taken into consideration. A total of 1,270 articles were classified according to the topic classification grid used by the journal. Of the 22 broad topics, topic head No.160 – Treatment & Biomechanics had the maximum publication at 352 articles (27.7%) and topic head No.20 – Biostatistics was the least. Special mention is warranted to the topic head No.120 - Psychology/Sociology with 129 articles (10.15%). USA had the most publication (19.4%) and India ranked 10th with a rate of 1.8%. Even though Treatment & Biomechanics as a topic head had 352 articles, it included 16 subheads. However, Public health and Psychology/Sociology were narrower areas with a greater number of articles. It can be inferred that there is a definite shift in interest toward public health and public perception.
发表趋势是科学兴趣和研究领域的指针。本研究的目的是对 2013 年至 2022 年这 10 年间《美国口腔正畸和牙面矫形学杂志》(AJODO)上的原创文章进行研究。研究的目的是分析主题分布、投稿人的地理位置以及来自印度的具体投稿情况。仅考虑原创文章。根据期刊使用的主题分类网格,共对 1270 篇文章进行了分类。在 22 个大专题中,第 160 号专题 "治疗与生物力学 "发表的文章最多,达 352 篇(27.7%),而第 20 号专题 "生物统计学 "发表的文章最少。特别值得一提的是,120 号主题 "心理学/社会学 "发表了 129 篇文章(10.15%)。美国发表的文章最多(19.4%),印度排名第十,发表率为 1.8%。尽管 "治疗与生物力学 "作为一个标题有 352 篇文章,但它包括 16 个子标题。然而,公共卫生和心理学/社会学领域较窄,文章数量较多。由此可以推断,人们对公共卫生和公众认知的兴趣肯定会有所转移。
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引用次数: 0
Does the Miniscrew Length, Insertion Level, and Insertion Force Make a Difference on the Stress and Strain Distribution Across the Alveolar Bone? A Finite Element Study 微型螺钉的长度、插入水平和插入力对整个牙槽骨的应力和应变分布有影响吗?有限元研究
Pub Date : 2023-11-24 DOI: 10.1177/03015742231207494
Anand Marya, Matthew Angelo Mina Eugenio, A. Venugopal, Narayan Gandedkar, Nasim Mesgarzadeh
The aim of this study was to evaluate, using the finite element method (FEM), the stresses generated on various parts of the mini-screw and on the bone resulting from the insertion of mini-screws of varying lengths and under different forces. Three-dimensional models of mini-screws (1.6 × 6, 8, and 10 mm) and bone (mandible cortical bone thickness of 2 mm) were constructed and simulated using FEM. The mini-screws were inserted using force loads of 10 and 20 Ncm, and stress evaluation was carried out on screws and bone. The stress evaluation was also performed across different levels of insertion (at the point of insertion, half-insertion, and full insertion). A direct correlation between the force applied and the stresses on the body of the screws was observed. There was an inverse relationship between the length of the mini-screw and the resulting stress on the bone with the highest stress of 14.58 Mpa with 6 mm long and the minimum stress of 3.81 Mpa with longer mini-screws. On application of different force magnitudes, the stress levels increased linearly with a change in the length. The highest stresses on the bone were observed only when the screw was fully inserted in the bone. When mini-screws of different lengths were inserted using different magnitudes of forces, the stress levels increased linearly on the bone. A combination of longer mini-screw and lesser force magnitude used during insertion produced less stress on the bone.
本研究的目的是使用有限元法(FEM)评估插入不同长度的微型螺钉时在不同力的作用下对微型螺钉各部分和骨骼产生的应力。利用有限元模型构建并模拟了微型螺钉(1.6 × 6、8 和 10 毫米)和骨骼(下颌骨皮质骨厚度为 2 毫米)的三维模型。使用 10 和 20 Ncm 的力负荷插入微型螺钉,并对螺钉和骨进行应力评估。应力评估还针对不同的插入程度(插入点、半插入和完全插入)进行。观察发现,施加的力与螺钉主体上的应力之间存在直接关联。微型螺钉的长度与由此产生的骨应力之间存在反比关系,6 毫米长的微型螺钉应力最大,为 14.58 兆帕,而更长的微型螺钉应力最小,为 3.81 兆帕。在施加不同的力时,应力水平随长度的变化而线性增加。只有当螺钉完全插入骨中时,才能观察到骨上的最高应力。当使用不同大小的力插入不同长度的微型螺钉时,骨上的应力水平呈线性增长。在插入过程中使用较长的微型螺钉和较小的力的组合对骨产生的应力较小。
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引用次数: 0
Factors Affecting the Seeking of Orthodontic Treatment of Turkish Adults 影响土耳其成年人寻求正畸治疗的因素
Pub Date : 2023-11-21 DOI: 10.1177/03015742231210424
Arzu Uslu, S. Buyuk
The aim of this study is to determine the factors that are effective in seeking orthodontic treatment of Turkish adult individuals and to evaluate the effects of demographic characteristics such as gender, age, marital status, and educational status of the participants on these factors comparatively. A questionnaire-based study was applied to participants who want to receive orthodontic treatment. In the first part, the participants were asked about demographic information such as gender, age, marital status, occupation, and educational status. A total of 542 people (330 female and 212 male) were included in our study. The age of participants included in the study ranged between 18 and 45. Questions about oral hygiene, regular dental check-ups and the factors that affect in seeking orthodontic treatment were asked in the second part of the questionnaire. Young adults and females were found to have a higher rate of seeking orthodontic treatment. When the participants were asked what led them to orthodontic treatment, 72.1% of the participants stated that they thought it as a necessity such that they should receive orthodontic treatment. Material selection in orthodontic treatment shows statistical significance according to demographic characteristics ( p < 0.05). While 48% of the participants in the 18ȓ24 age group preferred metal orthodontic brackets, 37.9% of the participants in the 25–45 age group preferred clear aligner. Moreover, 40.4% of the married participants preferred clear aligner, while 45.1% of the single participants preferred metal orthodontic brackets. The factors in seeking orthodontic treatment of individuals vary according to demographic characteristics and social environment of individuals.
本研究旨在确定土耳其成年人寻求牙齿矫正治疗的有效因素,并评估参与者的性别、年龄、婚姻状况和教育状况等人口统计学特征对这些因素的影响。本研究对希望接受牙齿矫正治疗的参与者进行了问卷调查。在第一部分,参与者被问及性别、年龄、婚姻状况、职业和教育状况等人口统计学信息。共有 542 人(330 名女性和 212 名男性)参与了我们的研究。研究对象的年龄介于 18 岁至 45 岁之间。问卷的第二部分询问了有关口腔卫生、定期牙科检查以及影响寻求正畸治疗的因素等问题。研究发现,年轻人和女性寻求牙齿矫正治疗的比例较高。当被问及是什么导致他们接受牙齿矫正治疗时,72.1% 的参与者表示,他们认为这是一种需要,因此应该接受牙齿矫正治疗。根据人口统计学特征,正畸治疗中的材料选择具有统计学意义(P < 0.05)。在 18 岁至 24 岁年龄组中,48% 的参与者偏爱金属矫治托槽,而在 25 岁至 45 岁年龄组中,37.9% 的参与者偏爱透明矫治器。此外,40.4%的已婚参与者偏好透明矫治器,而 45.1%的单身参与者偏好金属正畸托槽。个人寻求正畸治疗的因素因其人口特征和社会环境而异。
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引用次数: 0
An Assessment of Orthodontists’ Perception About Efficiency of Various Tooth Movements Carried Out Using Clear Aligner Therapy 正畸医师对使用清洁矫正器进行各种牙齿运动效率的认知评估
Pub Date : 2023-11-07 DOI: 10.1177/03015742231202303
Shilpa Chawla, Shailesh Deshmukh, Veera Bhosale
Background With orthodontic patient demographics expanding to involve more adults, the demand for esthetic appliances is greater and orthodontists are keen on offering their patients more discreet and even invisible options. Clear aligners are a very viable option which offers all this, and it is noteworthy that more and more orthodontists in India are practicing the craft. Keeping this vision in mind, and the fact that aligners are revolutionary and here to stay, this study was conducted to assess the efficiency of various tooth movements carried out with clear aligner therapy as compared to traditional orthodontic treatment. Aim This questionnaire-based survey aimed to analyze and assess the orthodontists’ perception and experience of various tooth movements carried out with clear aligner in their routine clinical practice in India. Methodology A cross-sectional study was conducted by sending out a questionnaire on a virtual platform. It was approved by the Ethical Committee of the Dental Institute it was carried out in (Ref no: SDCH/IEC/OUT 2021/13). A sample size of 205 participants within the age group of 27–59 years was taken. The participants comprised of orthodontists practicing in various parts of India. A questionnaire, comprising of 22 closed-ended questions, was created on Google forms and circulated to participants using various social media platforms. The data of responses of participants were analyzed and evaluated with the help of chi-square test and p values were interpreted for the significance of responses. Results This survey analyzed the experience of orthodontists with respect to the various tooth movements carried out with clear aligners. There were mixed responses, but most of them suggested the aligners to be either same in effectiveness or poorer than the fixed appliances in carrying out various tooth movements. Conclusion This questionnaire-based survey helped in analyzing the orthodontists’ perception on the use of clear aligners in their routine clinical practice in India. It most importantly helped in assessing various kinds of tooth movements achievable with clear aligners. It also helped in getting an opinion on the movements presently not possible with aligners alone. This study clearly suggests that the general perception amongst the orthodontists is that more advancement is needed as far as aligners are concerned before they become competent enough to deal with various tooth movements easily achievable with fixed appliances.
随着正畸患者人口统计数据的扩大,涉及更多的成年人,对美容器具的需求更大,正畸医生热衷于为他们的患者提供更谨慎的,甚至是隐形的选择。清晰的牙齿矫正器是一个非常可行的选择,它提供了所有这一切,值得注意的是,越来越多的正畸医生在印度练习手艺。考虑到这一愿景,以及对准器是革命性的,并将继续存在的事实,本研究是为了评估与传统正畸治疗相比,使用清晰对准器治疗各种牙齿运动的效率。目的本问卷调查旨在分析和评估印度正畸医师在常规临床实践中对使用清晰矫正器进行各种牙齿运动的感知和体验。方法通过在虚拟平台上发送调查问卷的方式进行横断面研究。该研究得到了牙科研究所伦理委员会的批准,并在(参考编号:SDCH/IEC/ out 2021/13)中进行。研究选取了205名年龄在27-59岁之间的参与者作为样本。参与者包括在印度不同地区执业的正畸医生。一份由22个封闭式问题组成的调查问卷在谷歌表格上创建,并通过各种社交媒体平台分发给参与者。参与者的回答数据采用卡方检验进行分析和评价,p值解释回答的显著性。结果本调查分析了正畸医师在使用透明矫正器进行各种牙齿运动时的经验。虽然有不同的反应,但大多数人认为牙齿矫正器在进行各种牙齿运动时的效果与固定矫治器相同或较差。结论本问卷调查有助于分析印度正畸医师在日常临床实践中对使用透明矫正器的看法。最重要的是,它有助于评估各种牙齿运动可以实现清晰的校准。它还有助于获得对目前仅靠校准器无法实现的运动的意见。这项研究清楚地表明,正畸医生普遍认为,在矫正员有足够的能力处理固定矫治器可以轻松实现的各种牙齿运动之前,他们需要更多的进步。
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引用次数: 0
Hypodontia and Skeletal Malocclusions Among Orthodontic Patients of Kathmandu, Nepal: A Radiographic Study 尼泊尔加德满都正畸患者的下颌缺损和骨骼错颌:一项放射学研究
Pub Date : 2023-10-31 DOI: 10.1177/03015742231202599
Sanjay Prasad Gupta, Shristi Rauniyar
Objective To assess the association between hypodontia and skeletal malocclusions in orthodontic patients. Materials and Methods This cross-sectional study comprised of orthodontic records of 40 hypodontic patients (12 males and 28 females) and 120 non hypodontic patients (58 males and 62 females) as control group matched for gender and age with the study sample who came to the orthodontic department for their treatment were selected. Orthopantamograms were evaluated for hypodontia, whereas lateral cephalogram were traced to determine the cephalometric parameters. The association between different classes of skeletal malocclusion and hypodontia was determined using Pearson’s Chi-square test and the cephalometric parameters between patients with hypodontia and without hypodontia (controls) were assessed using Student’s t-test. Result In hypodontic group, 19 (47.5%) patients had skeletal class II, 18 (45%) patients had skeletal class I, and only 3 (7.5%) patients had skeletal class III malocclusions. Whereas in non-hypodontic group (control group), 86 (53.75%) patients had skeletal class II, 63 (39.38%) patients had skeletal class I, and 11 (6.87%) patients had skeletal class III malocclusions. There was no statistical difference between hypodontia and different skeletal classes of malocclusions ( p = .654). Cephalometric parameters between the control group and hypodontic group did not reveal any significant difference ( p > .05). Conclusion This study did not find any association between different classes of skeletal malocclusions and hypodontia. The cephalometric skeletal parameters were not significantly different in hypodontic and control group. It is suggested that the patients having hypodontia will be evaluated on an individual basis for their treatment.
目的探讨正畸患者下颌畸形与骨骼错牙合的关系。材料与方法本横断面研究选取40例下颌畸形患者(男性12例,女性28例)和120例非下颌畸形患者(男性58例,女性62例)作为对照组,与到正畸科就诊的研究样本性别、年龄相匹配。对下颌畸形进行正位造影评估,而对侧位头颅造影进行追踪以确定头颅测量参数。使用Pearson卡方检验确定不同类型的骨骼错颌与下颌畸形之间的关系,使用学生t检验评估有和没有下颌畸形(对照组)患者的头侧测量参数。结果下颌畸形组ⅱ类错误19例(47.5%),ⅰ类错误18例(45%),ⅲ类错误3例(7.5%)。非下颌畸形组(对照组)有骨骼ⅱ类86例(53.75%),骨骼ⅰ类63例(39.38%),骨骼ⅲ类11例(6.87%)。不同骨骼类型的错咬合患者牙下畸形发生率差异无统计学意义(p = .654)。对照组与缺牙组的头颅测量参数差异无统计学意义(p >. 05)。结论本研究未发现不同类型的骨骼错颌与下颌畸形之间存在关联。下颌缺损组与对照组的颅骨测量参数无显著差异。建议对患有下颌畸形的患者进行个体化治疗评估。
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引用次数: 0
IBO Orthodontic Index Part III IBO正畸指数第三部分
Pub Date : 2023-10-29 DOI: 10.1177/03015742231201498
Ashwin Mathew George, Mala Ram Manohar, Aravinth Rajkumar Govindaraj, Raja Ganesh Gautham, Salil Nene, Ajit Kalia
A new orthodontic index was proposed by the College of Diplomates to assess the degree of difficulty of cases submitted for the IBO Phase III clinical examinations. This article is the continuation of Parts I and II of the article, which gave a brief insight into the need and the methodology undertaken to formulate this index. A weightage score grading the degree of difficulty was formulated based on the Dental, Cephalometric, and Miscellaneous components. An Aesthetic component was also developed. Further statistical evaluation was done to formulate a cut-off score required for cases submitted for the Phase III examination. This index would help to categorize the malocclusion in a structured manner.
文凭学院提出了一种新的正畸指数,用于评估提交IBO III期临床检查的病例的困难程度。本文是本文第一部分和第二部分的延续,这两部分简要介绍了制定该指数的必要性和所采用的方法。难度分级的权重评分是基于牙科、头测和其他成分制定的。美学组件也被开发出来。进一步进行统计评估,以制定提交第三阶段检查的病例所需的截止分数。该指标有助于对错牙合进行有组织的分类。
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引用次数: 0
期刊
Journal of Indian Orthodontic Society
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