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The Perception of Adults and Adolescents of Undergoing and Paying for Tooth Movement Acceleration Procedures in Turkey. 土耳其成年人和青少年接受和支付牙齿运动加速程序的看法。
IF 1.1 Q4 DENTISTRY, ORAL SURGERY & MEDICINE Pub Date : 2022-12-01 DOI: 10.5152/TurkJOrthod.2022.21256
Tuğba Haliloğlu Özkan, Derya Dursun

Objective: The aim of this study is to evaluate the opinions of adolescents and adults regarding nonconventional methods and their associated payment options in Turkey.

Methods: A total of 183 subjects were asked to complete a questionnaire to evaluate their perception of various nonconventional acceleration methods: corticotomy, piezocision, micro-osteoperforation, vibration, drug injection, and customized appliances. The questionnaire also investigated how willing the patients would be to pay more and how much more they would accept to reduce the treatment time.

Results: About 38.7% of the adolescents and 44.4% of the adults were willing to undergo an additional procedure, and 59.6% of both groups chose customized appliances as their first preference as a way of accelerating the treatment process. About 45.4% of the total participants were neutral about paying more to reduce treatment time. Those patients who were willing to pay more accepted a maximum increase of only 10% even if that meant a 50% decrease in treatment time.

Conclusion: Adults were slightly less tolerant of the duration of orthodontic treatment than adolescents and were more likely to undergo additional procedures and pay more for a shorter treatment time. In addition, the invasiveness of each procedure was the primary factor given when choosing an acceleration method, rather than its reduction rate.

目的:本研究的目的是评估青少年和成年人的意见关于非传统的方法和他们的相关支付选项在土耳其。方法:对183名受试者进行问卷调查,评估他们对各种非传统加速方法(皮质切开术、压切术、骨微手术、振动、药物注射和定制器械)的感知。问卷调查还调查了患者愿意支付更多的钱,以及他们愿意接受多少钱来减少治疗时间。结果:约38.7%的青少年和44.4%的成年人愿意接受额外的手术,59.6%的两组人都选择定制器具作为加速治疗过程的第一选择。约45.4%的参与者对支付更多费用以缩短治疗时间持中立态度。那些愿意付更多钱的病人只接受最多10%的增加,即使这意味着治疗时间减少了50%。结论:成人对正畸治疗时间的耐受性略低于青少年,更有可能接受额外的手术,并为更短的治疗时间支付更多的费用。此外,在选择加速方法时,每个手术的侵入性是考虑的主要因素,而不是减速率。
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引用次数: 1
Adaptive Changes in the Posterior Pharyngeal Wall Following Large Retraction of Incisors During Comprehensive Orthodontic Treatment. 综合正畸治疗中门牙大内收后咽后壁的适应性变化。
IF 1.1 Q4 DENTISTRY, ORAL SURGERY & MEDICINE Pub Date : 2022-12-01 DOI: 10.5152/TurkJOrthod.2022.21157
Ashok Kumar Jena, Venkatachalapathy Anusuya, Jitendra Sharan

Objective: To evaluate the effects of large retraction of incisors on the adaptive changes in the posterior pharyngeal wall and soft palate during comprehensive orthodontic treatment.

Methods: Twenty-seven females with Class I mild crowding or spacing who required non-extraction treatment (group I) and 34 females with Class I bimaxillary dentoalveolar protrusion who required all first premolars extraction for the retraction of their incisors (group II) were included in the study. The effects of non-extraction and incisor retraction following all first premolars extraction orthodontic treatment on the sagittal dimensions of pharyngeal airway passage and posterior pharyngeal wall thickness were evaluated from pre- and post-treatment cephalograms.

Results: The dimensions of pharyngeal airway passage were comparable among the groups. The length of the soft palate increased (P < .01) and the thickness of the soft palate decreased (P < .01) following retraction of incisors, and the difference between the groups was significant (P < .05). The posterior pharyngeal wall thickness was reduced significantly at PPWT2 (P < .05), PPWT3 (P < .001), PPWT4 (P < .001), PPWT5 (P < .001), and PPWT6 (P < .01) regions following retraction of the incisors, and the difference between the groups was statistically highly significant.

Conclusions: The large retraction of incisors during comprehensive orthodontic treatment in Class I bimaxillary dentoalveolar protrusion malocclusion subjects did not affect the sagittal dimensions of pharyngeal airway passage, but the thickness of the posterior pharyngeal wall reduced significantly as an adaptation to maintain the patency of the upper airway.

目的:探讨门牙大内收对综合正畸治疗中咽后壁及软腭适应性变化的影响。方法:选取27例需要不拔牙治疗的I类轻度拥挤或间距女性患者(I组)和34例需要拔牙治疗的I类双颌牙槽突女性患者(II组)。通过治疗前和治疗后的脑图评价第一前磨牙拔牙正畸治疗后不拔牙和切牙后缩回对咽气道通道矢状面尺寸和咽后壁厚度的影响。结果:两组间咽部气道通道尺寸具有可比性。后收切牙后软腭长度增加(P < 0.01),软腭厚度减少(P < 0.01),两组间差异有统计学意义(P < 0.05)。后咽壁厚度PPWT2 (P < 0.05)、PPWT3 (P < 0.001)、PPWT4 (P < 0.001)、PPWT5 (P < 0.001)、PPWT6 (P < 0.01)区均明显降低,组间差异具有高度统计学意义。结论:ⅰ类双颌牙槽突型错颌综合正畸治疗中门牙大内收不影响咽气道通道矢状面尺寸,但咽后壁厚度明显减小,以适应维持上气道通畅。
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引用次数: 0
Nickel Release and the Viability of Streptococcus mutans Corresponding to Low Risk of Dental Caries in Artificial Saliva Containing Orthodontic Appliances: In Vitro Study. 含正畸矫治器人工唾液中低龋风险的镍释放和变形链球菌活力:体外研究
IF 1.1 Q4 DENTISTRY, ORAL SURGERY & MEDICINE Pub Date : 2022-09-01 DOI: 10.5152/TurkJOrthod.2022.21142
Serap Titiz, Zalike Keskin Erdoğan, Elif Esin Hames Tuna, Aynur Aras

Objective: The aims of this study were to determine the effect of different levels of Streptococcus mutans that correspond to a low risk of dental caries on nickel release and to determine the viability of S. mutans.

Methods: Simulated fixed orthodontic appliances composed of copper nickel titanium, nickel titanium, or stainless steel were immersed in Klimek artificial saliva for 10 days with or without S. mutans inoculation on day 7. Same levels of S. mutans cultures (4 × 104 cfu/mL) were inoculated into the artificial saliva without orthodontic appliances. Nickel release was detected by inductively coupled plasma mass spectrometry. The archwire surface was analyzed by atomic force microscopy and scanning electron microscopy.

Results: The density of S. mutans significantly increased in the artificial saliva without orthodontic appliances (P < .05). Appliances with nickel titanium alloys showed higher nickel release in the artificial saliva with or without S. mutans than those with copper nickel titanium or stainless steel archwires (P < .05). However, S. mutans increased nickel release only in orthodontic appliances with stainless steel archwires (P < .05). Although atomic force microscopy showed that the surface of as-received stainless steel archwires was smoother than that of nickel titanium or nickel titanium archwires, S. mutans increased the surface roughness of only the SS archwires. S. mutans adhered to all archwire types.

Conclusion: While corrosion or corrosion-related processes may have decreased the growth capacity of S. mutans, reciprocally, S. mutans influenced corrosion. Rough surfaces can also promote corrosion; therefore, the surface roughness of metal alloy orthodontic appliances should be evaluated to determine their corrosion behavior.

目的:本研究的目的是确定与低龋风险对应的不同水平的变形链球菌对镍释放的影响,并确定变形链球菌的生存能力。方法:分别在第7天接种变形链球菌或不接种变形链球菌的情况下,将铜镍钛、镍钛或不锈钢组成的模拟固定正畸器浸泡在Klimek人工唾液中10 d。将相同水平的变形链球菌培养物(4 × 104 cfu/mL)接种到不使用正畸矫治器的人工唾液中。采用电感耦合等离子体质谱法检测镍的释放。采用原子力显微镜和扫描电镜对弓丝表面进行了分析。结果:未使用正畸矫治器的人工唾液中变形链球菌密度显著升高(P < 0.05)。与铜镍钛和不锈钢弓丝相比,镍钛合金器具在有变形链球菌或不含变形链球菌的人工唾液中的镍释放量更高(P < 0.05)。然而,变形链球菌仅在不锈钢弓丝正畸矫治器中增加镍释放(P < 0.05)。原子力显微镜显示,不锈钢弧线的表面比镍钛和镍钛弧线光滑,变形链球菌只增加了SS弧线的表面粗糙度。变形链球菌粘附在所有的弧线类型上。结论:虽然腐蚀或与腐蚀相关的过程可能会降低变形链球菌的生长能力,但反过来,变形链球菌也影响腐蚀。粗糙的表面也会促进腐蚀;因此,应评估金属合金正畸矫治器的表面粗糙度,以确定其腐蚀行为。
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引用次数: 0
Changes in Angulation and Eruption Space of Developing Mandibular Third Molars Following Twin Block Treatment. 双牙块治疗对发育中的下颌第三磨牙角度和出牙空间的影响。
IF 1.1 Q4 DENTISTRY, ORAL SURGERY & MEDICINE Pub Date : 2022-09-01 DOI: 10.5152/TurkJOrthod.2022.21122
Hanem Younes Elfeky, Engy Ali Abdelhaleem Salam, Fouad Aly El Sharaby

Objective: The aim of this study was to assess the effects of twin block functional appliance three dimensionally on mandibular third molars angulation and eruption space.

Methods: This retrospective study included cone beam computer tomography (CBCTs) of 34 Class II females (11.84 ± 0.94 years) who were divided into 2 groups. The first group received a standard twin block appliance (intervention group), while the other was considered as a control. CBCT images were obtained for all patients before the start of the intervention (T0) and after the active phase (9.4 ± 1.33 months) in the intervention group and at the beginning (T0) and after the observation period (T1) in the control group (8.12 ± 2.72 months). Measurements for the retromolar space were performed on the axial views, while those for molar angulation were performed on sagittal views as well as CBCT panoramic reformatted images.

Results: Both twin block and control groups showed non-significant changes in the angular measurements (sagittal L8/MP° and panoramic L8/MP°) denoting lack of change in the angulation of the third molars in relation to the mandibular plane after treatment. On the other hand, retromolar spaces showed a statistically significant increase (P ≤ .05) in both groups. The change was much significant for the twin block group, measuring 1.95 mm and 1.56 mm on the right and left sides, respectively, as compared to the control group which revealed less than 1 mm increase in the retromolar space on both the right and left sides.

Conclusions: In spite of their positive impact on the retromolar space, twin block bite jumping appliances have a non-significant influence on the angulation of the developing mandibular third molars.

目的:从三维角度评价双块功能矫治器对下颌第三磨牙出牙角度和出牙空间的影响。方法:采用锥束计算机断层扫描(cbct)对34例II类女性(11.84±0.94岁)进行回顾性研究,并将其分为两组。第一组接受标准双块矫治器(干预组),另一组作为对照。干预组患者在干预开始前(T0)、活动期结束后(9.4±1.33个月),对照组患者在干预开始时(T0)及观察期结束后(8.12±2.72个月)均行CBCT扫描。在轴向视图上测量磨牙后间隙,在矢状视图和CBCT全景重新格式化图像上测量磨牙成角。结果:双牙块组和对照组的角度测量值(矢状L8/MP°和全景L8/MP°)均无显著变化,表明治疗后第三磨牙相对于下颌平面的角度没有变化。磨牙后间隙增加,两组间差异有统计学意义(P≤0.05)。与对照组相比,双牙块组的左右侧臼齿后间隙增加了不到1 mm,而双牙块组的左右侧臼齿后间隙分别增加了1.95 mm和1.56 mm。结论:双块牙合跳跃矫治器对下颌第三磨牙发育的角度影响不显著,但对后磨牙间隙有积极影响。
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引用次数: 0
Alterations in Facial Soft Tissue Thickness Post-Facemask Treatment in Noncleft Skeletal Class III and Bilateral Cleft Lip Palate Class III Patients. 非骨裂III类和双侧唇腭裂III类患者面罩治疗后面部软组织厚度的变化。
IF 1.1 Q4 DENTISTRY, ORAL SURGERY & MEDICINE Pub Date : 2022-09-01 DOI: 10.5152/TurkJOrthod.2022.21164
Esra Ulusoy Mutluol, Sema Koyuncu, Rıdvan Ceylan, Mehmet Akın

Objective: The purpose of this retrospective study was to assess the alteration in the facial soft tissue thickness after rapid maxillary expansion with facemask treatment in bilateral cleft lip and palate (BCLP) Class III patients and noncleft Class III patients.

Methods: Case records including lateral cephalograms of 30 patients (19 females, 11 males) treated using a rapid maxillary expansion with facemask treatment were analyzed. Group I (age: 11.4 ± 1.02 years) (10 females, 5 males) consisted of noncleft skeletal Class III patients, and group II (age: 10.8 ± 0.84 years) (9 females, 6 males) comprised skeletal Class III patients with bilateral cleft lip and palate. Fifteen hard tissue and 10 soft tissue measurements were made at the beginning and at the end of the treatment to evaluate the change with rapid maxillary expansion combined facemask treatment.

Results: The bilateral cleft lip and palate group displayed a statistically significant increase in the thickness of the subnasale, labrale superius, labrale inferius, labiomentale, and pogonion, whereas the thickness of the stomion was found to be significantly decreased. The noncleft group demonstrated a statistically significant decrease in the thickness of the stomion and gnathion. There was a statistically significant difference between the bilateral cleft lip and palate and noncleft groups in the facial soft tissue thickness measurements at labrale superius, gnathion, and subnasale points and in Y axis, U1-SN, U1-NA in the hard tissue measurements.

Conclusion: The results of the study indicated that the rapid maxillary expansion with facemask treatment produced diverse alterations in the facial soft tissue thickness of bilateral cleft lip and palate patients and noncleft Class III patients.

目的:回顾性研究双侧唇腭裂(BCLP) III类和非唇腭裂III类患者快速上颌扩张面罩治疗后面部软组织厚度的变化。方法:对30例(女19例,男11例)采用快速上颌扩张加面罩治疗的病例进行回顾性分析。I组(年龄:11.4±1.02岁)为非裂骨III类患者(女10例,男5例);II组(年龄:10.8±0.84岁)为双侧唇腭裂骨III类患者(女9例,男6例)。在治疗开始和结束时分别进行15个硬组织和10个软组织测量,以评估快速上颌扩张联合面罩治疗的变化。结果:双侧唇腭裂组鼻下、上唇、下唇、下唇、下唇、下唇厚度均有统计学意义的增加,而口部厚度有统计学意义的减少。非唇裂组在口腔和咬合的厚度上有统计学上的显著减少。双侧唇腭裂组与非唇裂组在唇上、颌突、鼻下点的面部软组织厚度测量,以及Y轴、U1-SN、U1-NA的硬组织测量,差异有统计学意义。结论:本研究结果表明,双侧唇腭裂患者和非唇腭裂III类患者采用快速上颌扩张面罩治疗后,面部软组织厚度发生了不同程度的改变。
{"title":"Alterations in Facial Soft Tissue Thickness Post-Facemask Treatment in Noncleft Skeletal Class III and Bilateral Cleft Lip Palate Class III Patients.","authors":"Esra Ulusoy Mutluol,&nbsp;Sema Koyuncu,&nbsp;Rıdvan Ceylan,&nbsp;Mehmet Akın","doi":"10.5152/TurkJOrthod.2022.21164","DOIUrl":"https://doi.org/10.5152/TurkJOrthod.2022.21164","url":null,"abstract":"<p><strong>Objective: </strong>The purpose of this retrospective study was to assess the alteration in the facial soft tissue thickness after rapid maxillary expansion with facemask treatment in bilateral cleft lip and palate (BCLP) Class III patients and noncleft Class III patients.</p><p><strong>Methods: </strong>Case records including lateral cephalograms of 30 patients (19 females, 11 males) treated using a rapid maxillary expansion with facemask treatment were analyzed. Group I (age: 11.4 ± 1.02 years) (10 females, 5 males) consisted of noncleft skeletal Class III patients, and group II (age: 10.8 ± 0.84 years) (9 females, 6 males) comprised skeletal Class III patients with bilateral cleft lip and palate. Fifteen hard tissue and 10 soft tissue measurements were made at the beginning and at the end of the treatment to evaluate the change with rapid maxillary expansion combined facemask treatment.</p><p><strong>Results: </strong>The bilateral cleft lip and palate group displayed a statistically significant increase in the thickness of the subnasale, labrale superius, labrale inferius, labiomentale, and pogonion, whereas the thickness of the stomion was found to be significantly decreased. The noncleft group demonstrated a statistically significant decrease in the thickness of the stomion and gnathion. There was a statistically significant difference between the bilateral cleft lip and palate and noncleft groups in the facial soft tissue thickness measurements at labrale superius, gnathion, and subnasale points and in Y axis, U1-SN, U1-NA in the hard tissue measurements.</p><p><strong>Conclusion: </strong>The results of the study indicated that the rapid maxillary expansion with facemask treatment produced diverse alterations in the facial soft tissue thickness of bilateral cleft lip and palate patients and noncleft Class III patients.</p>","PeriodicalId":37013,"journal":{"name":"Turkish Journal of Orthodontics","volume":"35 3","pages":"207-215"},"PeriodicalIF":1.1,"publicationDate":"2022-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9623142/pdf/tjo-35-3-207.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"33481411","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
Preventive Effect of Professional Fluoride Supplements on Enamel Demineralization in Patients Undergoing Fixed Orthodontic Treatment: A Systematic Review and Meta-Analysis. 专业氟化物补充剂对固定正畸治疗患者牙釉质脱矿的预防作用:系统回顾和meta分析
IF 1.1 Q4 DENTISTRY, ORAL SURGERY & MEDICINE Pub Date : 2022-09-01 DOI: 10.5152/TurkJOrthod.2022.21050
Elham Babadi Oregani, Alireza Jafari, Seyed Masoud Sajedi, Saeed Reza Motamedian

Objective: The current study aimed to systematically review the randomized clinical trials assessing the preventive effect of professional fluoride interventions on enamel demineralization in patients undergoing fixed orthodontic treatment.

Methods: The electronic search was performed in PubMed and Cochrane library in September 2021. No restriction was set on the publication date. Randomized clinical trials assessing the preventive effect of fluoride varnish, gel, mouthwash, and high-fluoride toothpaste on white spot lesions compared to the control group by clinical or radiographic methods in more than 10 patients were included.

Results: A total of 7 articles consisting of 1418 participants were included. In 4 articles, fluoride varnish (contained a range of 1000-50 000 ppm fluoride) was applied multiple times (4-20 times) in test groups. Their results indicated that the test groups significantly had lesser new white spot lesions or advanced white spot lesions. One study used fluoride varnish only once at the beginning of treatment and reported no significant difference in white spot lesions compared to the control group. Application of high-fluoride toothpaste as well as fluoride mouthwash, also, showed significantly lower white spot lesions. Three studies were included in the meta-analysis and revealed that the relative risk of white spot lesions was 0.64 (95% CI = 0.40 to 0.89; P < .01) in favor of fluoride varnish.

Conclusion: Multiple applications (4-20 times) of fluoride varnish or daily use of fluoride mouthwash or high-fluoride toothpaste seem to reduce white spot lesions in patients undergoing orthodontic treatment. However, single use of fluoride varnish was not effective. Further research is needed to establish the required number of fluoride applications for the prevention of white spot lesions during orthodontic treatment.

目的:本研究旨在系统回顾评估专业氟化物干预对固定正畸患者牙釉质脱矿预防作用的随机临床试验。方法:于2021年9月在PubMed和Cochrane图书馆进行电子检索。对出版日期没有限制。通过临床或放射学方法对10余例患者进行随机临床试验,比较氟清漆、凝胶、漱口水和高氟牙膏对白斑病变的预防效果。结果:共纳入7篇文献,1418名受试者。在4篇文章中,在试验组中多次(4-20次)涂抹含氟清漆(含氟范围为1000-50 000 ppm)。他们的结果表明,实验组的新发白斑病变或晚期白斑病变明显较少。一项研究在治疗开始时只使用了一次氟化物清漆,并报告与对照组相比,白斑病变没有显著差异。使用高氟化物牙膏和含氟漱口水也能显著降低白斑病变。meta分析纳入了三项研究,结果显示白斑病变的相对风险为0.64 (95% CI = 0.40 ~ 0.89;P < 0.01),有利于氟化物清漆。结论:多次使用含氟清漆(4 ~ 20次)或每日使用含氟漱口水或高氟牙膏可减少正畸治疗患者的白斑病变。然而,单次使用含氟清漆效果不佳。需要进一步研究以确定在正畸治疗期间预防白斑病变所需的氟化物用量。
{"title":"Preventive Effect of Professional Fluoride Supplements on Enamel Demineralization in Patients Undergoing Fixed Orthodontic Treatment: A Systematic Review and Meta-Analysis.","authors":"Elham Babadi Oregani,&nbsp;Alireza Jafari,&nbsp;Seyed Masoud Sajedi,&nbsp;Saeed Reza Motamedian","doi":"10.5152/TurkJOrthod.2022.21050","DOIUrl":"https://doi.org/10.5152/TurkJOrthod.2022.21050","url":null,"abstract":"<p><strong>Objective: </strong>The current study aimed to systematically review the randomized clinical trials assessing the preventive effect of professional fluoride interventions on enamel demineralization in patients undergoing fixed orthodontic treatment.</p><p><strong>Methods: </strong>The electronic search was performed in PubMed and Cochrane library in September 2021. No restriction was set on the publication date. Randomized clinical trials assessing the preventive effect of fluoride varnish, gel, mouthwash, and high-fluoride toothpaste on white spot lesions compared to the control group by clinical or radiographic methods in more than 10 patients were included.</p><p><strong>Results: </strong>A total of 7 articles consisting of 1418 participants were included. In 4 articles, fluoride varnish (contained a range of 1000-50 000 ppm fluoride) was applied multiple times (4-20 times) in test groups. Their results indicated that the test groups significantly had lesser new white spot lesions or advanced white spot lesions. One study used fluoride varnish only once at the beginning of treatment and reported no significant difference in white spot lesions compared to the control group. Application of high-fluoride toothpaste as well as fluoride mouthwash, also, showed significantly lower white spot lesions. Three studies were included in the meta-analysis and revealed that the relative risk of white spot lesions was 0.64 (95% CI = 0.40 to 0.89; P < .01) in favor of fluoride varnish.</p><p><strong>Conclusion: </strong>Multiple applications (4-20 times) of fluoride varnish or daily use of fluoride mouthwash or high-fluoride toothpaste seem to reduce white spot lesions in patients undergoing orthodontic treatment. However, single use of fluoride varnish was not effective. Further research is needed to establish the required number of fluoride applications for the prevention of white spot lesions during orthodontic treatment.</p>","PeriodicalId":37013,"journal":{"name":"Turkish Journal of Orthodontics","volume":"35 3","pages":"223-230"},"PeriodicalIF":1.1,"publicationDate":"2022-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9623198/pdf/tjo-35-3-223.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"33481413","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: 1
Anterior Tooth Size Discrepancy in Class III Surgical Patients. III类手术患者前牙大小差异。
IF 1.1 Q4 DENTISTRY, ORAL SURGERY & MEDICINE Pub Date : 2022-09-01 DOI: 10.5152/TurkJOrthod.2022.21202
Ezgi Sunal Aktürk, Özge Müftüoğlu, Tülin Ufuk Toygar Memikoğlu

Objective: The purpose of the present study was to specify whether there are mesiodistal tooth size discrepancies in the anterior region in patients with dentoskeletal Class III malocclusion who underwent orthognathic surgery and orthodontic treatment and to assess the relationship between anterior Bolton ratio and dentoskeletal cephalometric measurements.

Methods: The diagnostic dental casts and lateral cephalometric radiographs of 113 nongrowing patients (54 females and 59 males; mean age: 19.96 ± 4.42 years) with dentoskeletal Class III malocclusion who underwent orthognathic surgery and orthodontic treatment were included in the study. The mesiodistal widths of the 6 anterior teeth were measured from dental casts using a digital caliper accurate to 0.01 mm and anterior Bolton ratios were calculated. Lateral cephalograms were digitalized and used to measure 4 skeletal and 4 dental parameters.

Results: The mean anterior ratio of Class III surgical patients was 80.1% with a standard deviation of 2.8%. Clinically significant anterior tooth size discrepancies (greater than ±2 standard deviation) were found in 40.7% of the sample, 97.8% of those patients having anterior mandibular tooth excess. No significant correlation was found between the anterior Bolton ratio and cephalometric measurements.

Conclusion: Clinicians should consider the probability of tooth size discrepancy in the diagnosis and treatment planning of Class III surgical patients and should perform interventions to eliminate these discrepancies during presurgical orthodontic treatment.

目的:本研究的目的是明确在接受正颌手术和正畸治疗的牙骨III类错颌患者前区是否存在中远端牙齿尺寸差异,并评估前路博尔顿比与牙骨头侧测量的关系。方法:对113例非生长期患者(女54例,男59例;平均年龄:19.96±4.42岁)的牙骨骼III类错颌患者均接受了正颌手术和正畸治疗。使用精确到0.01 mm的数字卡尺从牙模上测量6颗前牙的中远端宽度,并计算前路博尔顿比。侧位头像数字化,用于测量4个骨骼和4个牙齿参数。结果:III类手术患者的平均前路比值为80.1%,标准差为2.8%。40.7%的患者前牙尺寸差异显著(大于±2个标准差),97.8%的患者下颌前牙过多。前路波顿比值与头侧测量无显著相关性。结论:临床医生在III类手术患者的诊断和治疗计划中应考虑牙齿大小差异的可能性,并在术前正畸治疗中采取措施消除这些差异。
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引用次数: 0
Cephalometric Mandibular Dimensions in Growing Turkish Children: Trends of Change, Sex-Specific Differences, and Comparisons with Published Norms. 成长中的土耳其儿童的头测下颌尺寸:变化趋势、性别特异性差异和与已公布规范的比较。
IF 1.1 Q4 DENTISTRY, ORAL SURGERY & MEDICINE Pub Date : 2022-09-01 DOI: 10.5152/TurkJOrthod.2022.21083
Hande Pamukçu, Nilüfer İrem Tunçer, İsmail Can Pelin, Hatice Yağmur Zengin

Objective: The aims of this study were to investigate cephalometric mandibular dimensions in growing Anatolian Turkish children and to identify the periods of rapid growth for boys and girls. Furthermore, the secondary aim was to compare obtained values with published standards in the literature.

Methods: A total of 528 pretreatment lateral cephalometric radiographs, grouped according to age and sex, were analyzed. Effective mandibular length, ramus height, and corpus lengths were comparatively evaluated within age groups for boys and girls and between sexes for the same age group. Data acquired from this study were compared with American, Canadian, Chinese, and European norms. Growth curves for mandible were constructed for each sex group.

Results: Effective mandibular length was almost always significantly longer in boys, except for 9- and 12-year-age groups. Effective mandibular length in girls increased significantly between ages 8 and 10, 10 and 12, and 11 and 13 years, while in boys between ages 8 and 10, 9 and 11, and 13 and 15 years. Turkish girls had significantly shorter effective mandibular lengths than American girls at age 14. No significant difference was found between Turkish and Chinese girls and boys. Turkish girls and boys had significantly shorter corpus lengths from their Norwegian counterparts at age 12.

Conclusion: Except for 9- and 12-year-age groups, effective mandibular length was almost always significantly longer in boys compared to the girls. It is suggested to use norm values from more recently conducted studies and which are representative of the studied population. Growth curves can be used to predict the approximate mandibular dimensions at a particular age.

目的:本研究的目的是研究成长中的安纳托利亚土耳其儿童的下颌尺寸,并确定男孩和女孩的快速生长时期。此外,次要目的是将所得值与文献中公布的标准进行比较。方法:对528张预处理侧位头颅x线片,按年龄、性别分组进行分析。有效下颌骨长度、支高、体长在男孩和女孩年龄组和同一年龄组的性别之间进行比较评价。将本研究获得的数据与美国、加拿大、中国和欧洲的标准进行比较。绘制各组下颌骨生长曲线。结果:除9岁和12岁年龄组外,男孩的有效下颌长度几乎总是明显更长。女孩的有效下颌长度在8 - 10岁、10 - 12岁、11 - 13岁之间显著增加,而男孩的有效下颌长度在8 - 10岁、9 - 11岁、13 - 15岁之间显著增加。土耳其女孩在14岁时的有效下颌骨长度明显短于美国女孩。在土耳其和中国女孩和男孩之间没有发现显著差异。土耳其女孩和男孩在12岁时的语料库长度明显短于挪威同龄人。结论:除9岁和12岁年龄组外,男孩的有效下颌长度几乎总是明显长于女孩。建议使用最近进行的研究的正常值,这些正常值代表了所研究的人群。生长曲线可以用来预测特定年龄下颌骨的大致尺寸。
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引用次数: 0
Orthodontic Management of the Edentulous Space Caused by Surgical Removal of a Large Dentigerous Cyst. 手术切除大牙髓囊肿所致无牙间隙的正畸治疗。
IF 1.1 Q4 DENTISTRY, ORAL SURGERY & MEDICINE Pub Date : 2022-09-01 DOI: 10.5152/TurkJOrthod.2022.21024
Yuko Yamada, Chihiro Arai, Kazutoshi Nakaoka, Takumasa Yoshida, Keita Sasaki, Go Arai, Yoshiki Hamada, Hiroshi Tomonari

Herein, we report the orthodontic management of a patient with excessive bone and permanent tooth loss after surgical cyst removal. The patient was a 13-year-old Japanese boy who was referred to our department by an oral surgeon. He had an edentulous space with alveolar bone loss and loss of 2 permanent molars in the left mandibular region, following surgical removal of a large dentigerous cyst. We decided to close this space orthodontically. First, we moved the left mandibular second premolar into the edentulous region and autotransplanted the left maxillary lateral incisor in the adjacent distal space. We then performed comprehensive orthodontic treatment to establish stable occlusion. Following treatment, functional and stable occlusion of all permanent teeth was achieved without any spaces. The findings from this case suggest that orthodontic treatment is effective in growing patients with edentulous spaces and alveolar bone loss.

在此,我们报告一例囊肿切除后骨质和恒牙过多脱落的患者的正畸治疗。病人是一名13岁的日本男孩,由一名口腔外科医生转介到我科。在手术切除一个大的含牙囊肿后,他有一个无牙间隙,牙槽骨丢失,左侧下颌区域2颗恒磨牙丢失。我们决定用正畸的方式关闭这个空间。首先,我们将左侧下颌第二前磨牙移至无牙区,并将左侧上颌侧切牙自动移植至邻近的远端间隙。然后我们进行了全面的正畸治疗以建立稳定的咬合。治疗后,所有恒牙均实现功能稳定的咬合,无间隙。本病例的研究结果表明,正畸治疗对无牙间隙和牙槽骨丢失的生长患者是有效的。
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引用次数: 0
Evaluation of Orthodontic Patients' Anxiety Levels During the COVID-19 Pandemic: A 1-Year Follow-Up. 新冠肺炎大流行期间正畸患者焦虑水平的1年随访
IF 1.1 Q4 DENTISTRY, ORAL SURGERY & MEDICINE Pub Date : 2022-09-01 DOI: 10.5152/TurkJOrthod.2022.22009
Mehmet Ali Yavan, Merve Nur Eğlenen

Objective: The aim of this study was to evaluate the anxiety levels of orthodontic patients during the 1-year period in the ongoing pandemic.

Methods: The study included patients between the ages of 12 and 30 years and who were continuing their fixed orthodontic treatment at Adıyaman University, Faculty of Dentistry, Department of Orthodontics and filled out the State-Trait Anxiety Inventory. A total of 266 patients filled out the questionnaire at their first clinical visit between June 8 and July 8, 2020 (T0) and 176 of 190 patients (response rate: 92.63%) that were still under treatment filled out the questionnaire for a second time between June 15 and July 16, 2021 (T1).

Results: In the total population, there was a significant decrease in the State-Trait Anxiety Inventory-S score (P < .05), while there was no significant change in the State-Trait Anxiety Inventory-T score (P > .05). Anxiety scores were significantly higher in women and individuals aged over 18 years at T0 (P < .05), whereas only the anxiety scores of individuals aged over 18 years were significantly higher in T1 than in individuals aged below 18 years (P < .05). The State-Trait Anxiety Inventory-S score showed a significant decrease at T1 compared to T0 for female patients (36.02 ± 11.32 vs. 38.82 ± 9.84) and patients aged under 18 years (34.26 ± 9.54 vs. 36.85 ± 9.26) (P < .05).

Conclusion: The state anxiety levels of orthodontic patients decreased during the 1-year period of the pandemic, while there was no significant change in their trait anxiety levels.

目的:本研究的目的是评估正在进行的大流行期间1年期间正畸患者的焦虑水平。方法:选取年龄在12 ~ 30岁,在Adıyaman大学牙科学院正畸科继续固定正畸治疗的患者,填写状态-特质焦虑量表。共有266例患者在2020年6月8日至7月8日(T1)首次就诊时填写了问卷,190例仍在接受治疗的患者中有176例(有效率:92.63%)在2021年6月15日至7月16日(T1)再次填写了问卷。结果:在总人群中,状态-特质焦虑量表s得分显著降低(P < 0.05),而状态-特质焦虑量表t得分无显著变化(P > 0.05)。在T1时,女性和18岁以上个体的焦虑得分显著高于18岁以下个体(P < 0.05),而在T1时,只有18岁以上个体的焦虑得分显著高于18岁以下个体(P < 0.05)。女性患者(36.02±11.32比38.82±9.84)和18岁以下患者(34.26±9.54比36.85±9.26)的状态-特质焦虑量表- s评分在T1时明显低于T0 (P < 0.05)。结论:1年大流行期间,正畸患者的状态焦虑水平下降,特质焦虑水平无明显变化。
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引用次数: 1
期刊
Turkish Journal of Orthodontics
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