Serap Titiz Yurdakal, Ekrem Oral, İbrahim Erhan Gelgör
{"title":"Outcomes of Presurgical Nasoalveolar Molding using Modified Nostril Retainers in Patients with Unilateral Cleft Lip and Palate at an Average Follow-up of 2 Years.","authors":"Serap Titiz Yurdakal, Ekrem Oral, İbrahim Erhan Gelgör","doi":"10.4274/TurkJOrthod.2023.2022.98","DOIUrl":"10.4274/TurkJOrthod.2023.2022.98","url":null,"abstract":"<p><strong>Objective: </strong>Presurgical nasoalveolar molding (PNAM) using a modified nostril retainer is a new treatment approach. This study aimed to evaluate the outcomes of early nasal molding using this approach with an average follow-up of 2 years in patients with severe unilateral cleft lip and palate.</p><p><strong>Methods: </strong>This retrospective study included 18 patients with unilateral cleft lip and palate without genetic syndromes who underwent PNAM with modified nostril retainers. The Grayson technique was employed with an intraoral plate to approximate cleft segments. Nasal molding was initiated before reducing the cleft width to 5 mm. Measurements, including alar base height ratio (ABHR), nasal floor width ratio (NFWR), columellar length ratio (CLR), columellar angle (CA), and nostril axis inclination on the cleft and non-cleft sides (NAI-C and NAI-NC, respectively), were calculated from standard photographs taken before PNAM (T1), after PNAM (T2), after an average of 1.81 months post-surgery (T3), and after an average of 2.2 years after T3 (T4). Pairwise comparisons of values at the four time points were conducted.</p><p><strong>Results: </strong>NFWR, CLR, CA, NAI-C and NAI-NC significantly increased after PNAM (p<0.05). However, no significant change was observed in ABHR (p>0.05) from T1 to T2. These outcomes were maintained at T4, and no patient developed a mega nostril.</p><p><strong>Conclusion: </strong>The use of a modified nostril retainer for nasal molding appears to provide stability during the high probability of relapse reported in the literature.</p>","PeriodicalId":37013,"journal":{"name":"Turkish Journal of Orthodontics","volume":"36 4","pages":"254-260"},"PeriodicalIF":1.1,"publicationDate":"2023-12-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10763604/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139075318","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}
M Dilip Kumar, Haritha Pottipalli Sathyanarayana, Vignesh Kailasam
{"title":"Effectiveness of Functional Mandibular Advancer in Patients with Class II Malocclusion: A Systematic Review and Meta-analysis.","authors":"M Dilip Kumar, Haritha Pottipalli Sathyanarayana, Vignesh Kailasam","doi":"10.4274/TurkJOrthod.2022.2022.110","DOIUrl":"10.4274/TurkJOrthod.2022.2022.110","url":null,"abstract":"<p><strong>Objective: </strong>We aimed to evaluate the effectiveness of functional mandibular advancer (FMA) in treating growing patients with Class II malocclusion.</p><p><strong>Methods: </strong>Electronic searches were conducted in MEDLINE (via PubMed), Cochrane Library, Web of Science, Scopus, Embase, and Lilacs from 1945 to 30<sup>th</sup> November 2021. Studies were selected based on the following inclusion criteria: human studies, Class II growing patient treated with FMA, untreated control group or a comparable group treated with another fixed functional appliance, pre- and post-treatment lateral cephalograms/magnetic resonance imaging/cone-beam computed tomography, randomized clinical trials, prospective studies, and retrospective studies. Data extraction of the included articles was independently performed independently by two authors. The risk of bias was assessed using the ROBINS-I tool. Meta-analysis was performed using the inverse generic model.</p><p><strong>Results: </strong>Seven articles met the criteria and were included in the systematic review and three articles were included in the meta-analysis. Three studies had at low risk of bias and four studies had a moderate risk of bias. All articles reported anterior positioning of the mandible along with an increase in mandibular length. The meta-analysis results indicated a negligible difference between FMA and other functional appliances for the parameters SNA [0.11, 95% confidence interval (CI) of -1.07 and 1.29] and ANB (-1.00, 95% CI of -1.34 and -0.65). The evidence was limited for soft tissue changes.</p><p><strong>Conclusion: </strong>Class II correction with FMA involved a combination of skeletal and dentoalveolar changes and was similar to other fixed functional appliances.</p>","PeriodicalId":37013,"journal":{"name":"Turkish Journal of Orthodontics","volume":"36 4","pages":"270-279"},"PeriodicalIF":1.1,"publicationDate":"2023-12-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10763597/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139075315","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}
{"title":"Has the COVID-19 Pandemic Affected Orthodontists' Interest in Various Orthodontic Appliances?","authors":"Merve Nur Eğlenen, Mehmet Ali Yavan","doi":"10.4274/TurkJOrthod.2023.2022.124","DOIUrl":"10.4274/TurkJOrthod.2023.2022.124","url":null,"abstract":"<p><strong>Objective: </strong>To determine the changes in orthodontists' interest in various orthodontic appliances during the coronavirus disease-2019 (COVID-19) pandemic.</p><p><strong>Methods: </strong>A questionnaire probing respondents' interest in orthodontic appliances and techniques, including standard buccal metal brackets, self-ligating brackets, standard ceramic brackets, lingual brackets, clear aligners, orthodontic facemasks, removable functional appliances, fixed functional appliances, orthognathic surgery, orthodontic miniscrews, and lingual retainers, was prepared using Google Forms and then sent to the Turkish Orthodontic Society to invite all members of the society to participate in the survey. Of the 1903 members invited, 230 (response rate, 12.08%) orthodontists completed the questionnaire.</p><p><strong>Results: </strong>The respondents' interest in brackets did not change among 70% of the respondents (standard buccal metal bracket 80%, self-ligating bracket 72.2%, standard ceramic bracket 77%, and lingual bracket 76.5%). A significant difference was observed between the genders only about the interest in standard metal brackets and fixed functional appliances (p<0.05 for both). Interest in standard metal brackets decreased as respondents' work experience increased (p<0.05). The interest in self-ligating brackets was higher among respondents with 1-5 years of experience than among other respondents (p<0.05). Interest in self-ligating brackets increased more among lecturers and residents than among clinicians (p<0.05).</p><p><strong>Conclusion: </strong>The interest of orthodontists in clear aligners showed the highest increase during the COVID-19 pandemic among all orthodontic appliances, whereas their interest in other appliances, particularly standard buccal metal brackets, did not change.</p>","PeriodicalId":37013,"journal":{"name":"Turkish Journal of Orthodontics","volume":"36 4","pages":"216-223"},"PeriodicalIF":1.1,"publicationDate":"2023-12-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10763601/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139075316","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}
{"title":"Comparison of Enamel Discoloration using Flash-Free and Conventional Adhesive Brackets with Different Finishing Protocols.","authors":"Abdullah Kaya, Fundagül Bilgiç Zortuk","doi":"10.4274/TurkJOrthod.2023.2022.154","DOIUrl":"10.4274/TurkJOrthod.2023.2022.154","url":null,"abstract":"<p><strong>Objective: </strong>The aim of this study was to compare the effects of flash-free and conventional adhesive brackets and different finishing techniques on enamel discoloration.</p><p><strong>Methods: </strong>Forty human premolar teeth were utilized and randomly divided into four groups based on the type of brackets and finishing technique: (1) Gemini<sup>®</sup> brackets were used for orthodontic bonding. After debanding, adhesive remnants were cleaned using a 12-blade tungsten carbide bur. (2) Gemini<sup>®</sup> suspenders were used for orthodontic bonding. After debanding the brackets, adhesive remnants were cleaned using12-blade APC™ Flash-Free brackets were used for orthodontic bonding. After debanding, adhesive remnants were cleaned a 12-blade tungsten carbide bur and polished with Sof-Lex disks. (4) APC™ Flash-Free brackets were used for orthodontic bonding. After debanding, the adhesive remnants were cleaned using a 12-blade tungsten carbide bur. A Vita Easyshade spectrophotometer was used to measure the color change values of the 40 teeth.</p><p><strong>Results: </strong>The color change of the enamel surface in the Flash Free bracket group was significantly less than that in the conventional groups (p=0.003 p˂0.05). The mean ΔE values obtained from the Sof-Lex groups were lower than those obtained from the groups without Sof-Lex, but these results were not statistically significant (p=0.280 p>0.05).</p><p><strong>Conclusion: </strong>It is recommended to use Flash-Free brackets and polish with Sof-Lex disk following the clean-up procedures to minimize the possibility of discoloration of the teeth during orthodontic treatment.</p>","PeriodicalId":37013,"journal":{"name":"Turkish Journal of Orthodontics","volume":"36 4","pages":"248-253"},"PeriodicalIF":1.1,"publicationDate":"2023-12-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10763598/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139075312","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}
{"title":"Evaluation of Maxillary Sinus Volume of Class III Individuals with Different Jaw Positions by Cone-Beam Computed Tomography.","authors":"Yazgı Ay Ünüvar, Emre Köse","doi":"10.4274/TurkJOrthod.2022.2022.12","DOIUrl":"https://doi.org/10.4274/TurkJOrthod.2022.2022.12","url":null,"abstract":"<p><strong>Objective: </strong>To compare maxillary sinus volumes and surface areas among individuals with Class III skeletal patterns, with different sagittal positions of maxilla and Class I patients with normal jaw positions using cone-beam computed tomography (CBCT).</p><p><strong>Methods: </strong>CBCT images of 168 patients were analyzed retrospectively. The calculated surface areas and sinus volumes of 58 patients with Class I, normal mandibular and maxillary position (0<ANB<4, 84>SNA>80, 82>SNB>78) were compared with 61 patients with Class III retrognathic maxillary and normal mandibular positions (MRs) (ANB<0, SNA<80, 82>SNB>78) and 49 patients with Class III normal maxillary and prognathic mandibular positions (MP) (ANB<0, 84>SNA>80, SNB>82). Also, volume differences between genders and sides were investigated. One-way ANOVA and t-test were used to compare age, gender, skeletal patterns, and maxillary sinus measurements.</p><p><strong>Results: </strong>CBCT images of 94 females and 74 males were examined. There was no statistically significant difference in the right and left maxillary sinus volume and surface area measurements among Class I, Class III MR, and Class III MP groups (p>0.05). When the maxillary sinus volume and surface area were evaluated according to gender, the right maxillary sinus surface area and volume of males were found to be statistically significantly higher than those of females (p=0.012 and p=0.024). Similarly, the left maxillary sinus surface areas and volumes of males were also found to be significantly higher than those of females (p=0.000 and p=0.002).</p><p><strong>Conclusion: </strong>Different sagittal positions of the maxilla do not appear to affect maxillary sinus volume, and males tend to have greater maxillary sinus volume than females. CBCT images can be used to calculate intrabony air spaces.</p>","PeriodicalId":37013,"journal":{"name":"Turkish Journal of Orthodontics","volume":"36 3","pages":"180-185"},"PeriodicalIF":1.1,"publicationDate":"2023-09-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://ftp.ncbi.nlm.nih.gov/pub/pmc/oa_pdf/9f/ca/tjo-36-180.PMC10548053.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"41151412","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}
{"title":"The Evaluation of Maxillary Sinus Dimensions in Different Craniofacial Patterns: A Systematic Review and Meta-Analysis.","authors":"Ramyaja Chunduru, Pamila Rachel, Vignesh Kailasam, Sridevi Padmanabhan","doi":"10.4274/TurkJOrthod.2022.2022.4","DOIUrl":"10.4274/TurkJOrthod.2022.2022.4","url":null,"abstract":"<p><p>This systematic review was intended to evaluate the maxillary sinus dimensions in vertical and sagittal craniofacial patterns and to assess if there was a difference among the craniofacial patterns. A systematic search was performed in seven databases till February 2021. The risk of bias was performed with modified Newcastle Ottawa scale. Meta-analysis was performed using random effects model. Twelve studies were included in the review and 8 in the meta-analysis. Compared to Class I malocclusion, the maxillary sinus area is greater in Class II and lesser in Class III malocclusion. On comparing normo-divergent growth pattern, the maxillary sinus area is lesser in hypo-divergent and greater in hyper-divergent individuals. Most of the studies were graded as satisfactory. The measurements are greater in hyper-divergent Class II malocclusion and in males.</p>","PeriodicalId":37013,"journal":{"name":"Turkish Journal of Orthodontics","volume":"36 3","pages":"208-215"},"PeriodicalIF":0.8,"publicationDate":"2023-09-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://ftp.ncbi.nlm.nih.gov/pub/pmc/oa_pdf/1e/0d/tjo-36-208.PMC10548057.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"41169324","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}
{"title":"Relationship of the Fusion Stage of Spheno-Occipital Synchondrosis with Midpalatal and Zygomaticomaxillary Sutures on Cone-Beam Computed Tomography Scans of Patients Aged Between 7 and 21 Years.","authors":"Niloufar Tashayyodi, Zahra Dalili Kajan, Farzane Ostovarrad, Negar Khosravifard","doi":"10.4274/TurkJOrthod.2022.2022.65","DOIUrl":"https://doi.org/10.4274/TurkJOrthod.2022.2022.65","url":null,"abstract":"Objective: This study assessed the relationship of the fusion stage of spheno-occipital synchondrosis (SOS) with midpalatal (MPS) and zygomaticomaxillary (ZMS) sutures on cone-beam computed tomography (CBCT) scans of 7 to 21-year-old patients. Methods: This cross-sectional study evaluated the CBCT scans of 176 patients between 7 and 21 years presenting to a maxillofacial radiology clinic. The fusion stage of SOS was determined using a five-stage classification system. The percentage of opening depth of MPS was measured on two middle coronal cuts in the anterior and posterior half of the palate. To assess ZMS, suture fusion was evaluated in four age groups in the axial cut visualizing its maximum length. Data were analyzed using the Kruskal-Wallis, Mann- Whitney U, and Bonferroni tests and regression models. Results: The percentage of MPS opening significantly decreased in both the anterior and posterior halves with age (p<0.002). With an increase in SOS grade, the percentage of MPS opening in both the anterior and posterior halves significantly decreased (p<0.001). By an increase in the ZMS stage, the SOS grade significantly increased (r=0.565, p<0.001). Conclusion: The MPS opening percentage in the anterior and posterior halves decreased with age, with a greater reduction in the posterior half. A significant inverse correlation exists between the SOS fusion stage and the percentage of MPS opening. In SOS grades I-III, the mean percentage of MPS opening was 100% in all age groups (with the highest frequency of ZMS stage I), indicating a higher chance of success for orthodontic treatments such as rapid maxillary expansion in these individuals.","PeriodicalId":37013,"journal":{"name":"Turkish Journal of Orthodontics","volume":"36 3","pages":"186-193"},"PeriodicalIF":1.1,"publicationDate":"2023-09-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://ftp.ncbi.nlm.nih.gov/pub/pmc/oa_pdf/c8/5d/tjo-36-186.PMC10548058.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"41168817","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}
Srishti Syal, Poornima R Jnaneshwar, Krishnaraj Rajaram, Anupama Tadepalli, Ravi Kannan
{"title":"Evaluation of the Difference in the Rate of Canine Retraction Assisted by Piezocision and Discission in Human Subjects: A Preliminary Parallel-Arm Prospective Clinical Study.","authors":"Srishti Syal, Poornima R Jnaneshwar, Krishnaraj Rajaram, Anupama Tadepalli, Ravi Kannan","doi":"10.4274/TurkJOrthod.2022.2022.70","DOIUrl":"https://doi.org/10.4274/TurkJOrthod.2022.2022.70","url":null,"abstract":"<p><strong>Objective: </strong>The objective of the study was to evaluate the rate of orthodontic tooth movement assisted by piezocision and discission in extraction cases.</p><p><strong>Methods: </strong>Twelve adults (20-35 years) requiring upper premolar extraction for orthodontic treatment were included in this preliminary parallel-arm clinical study. Participants (randomly allocated) in Groups A and B received piezocision and discision-assisted corticotomy cuts at the premolar extraction site, respectively, contralateral side served as the control. Canine retraction was started bilaterally using closed coil NiTi (Nickel titanium) springs. A schedule of fortnightly activation was followed for 3 months. Stage models were made monthly (M0, M1, M2, M3). Models were scanned using a 3-shape intraoral scanner, and the displacement of the canine was measured bilaterally in the stage models. A self-designed questionnaire was used to assess patients pain and satisfaction levels on a visual analogue scale.</p><p><strong>Results: </strong>The rate of canine retraction at the piezocision site was twice that at the control site in group A (p=0.007). The rate of canine retraction at the dissection site was twice that at the control site in group B (p=0.012). However, there was no significant difference in the rate of retraction between the two surgical techniques. Pain and disturbance were noticed in the discission group at 50 and 67% respectively.</p><p><strong>Conclusion: </strong>Discision is comparable to piezocision for accelerating orthodontic tooth movement. Although dissection can speed orthodontic treatment, it should be used with caution as it could pose technical and clinical difficulties, particularly in the posterior buccal region of the oral cavity.</p>","PeriodicalId":37013,"journal":{"name":"Turkish Journal of Orthodontics","volume":"36 3","pages":"173-179"},"PeriodicalIF":1.1,"publicationDate":"2023-09-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://ftp.ncbi.nlm.nih.gov/pub/pmc/oa_pdf/bd/60/tjo-36-173.PMC10548061.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"41168869","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}
{"title":"Evaluation of First Molar Buccolingual Angulations and Dental Arch Parameters in Adolescents with Bilateral Posterior Crossbite.","authors":"Taner Öztürk, Ahmet Yağcı, Sabri İlhan Ramoğlu","doi":"10.4274/TurkJOrthod.2022.2022.59","DOIUrl":"https://doi.org/10.4274/TurkJOrthod.2022.2022.59","url":null,"abstract":"<p><strong>Objective: </strong>This study aimed to compare the maxillary and mandibular transverse dental arch widths and buccolingual inclinations of the molar teeth in patients with and without bilateral posterior crossbite (BPC) divided into different age groups.</p><p><strong>Methods: </strong>The study included dental models from 120 patients (age: 12-18 years), including 60 with BPC (32 boys and 28 girls) and 60 without BPC (controls; 30 boys and 30 girls), who were divided into three age groups (12-14, 14-16, and 16-18 years). The centroid and lingual transverse arch widths, dental arch perimeters, dental arch depths, and buccolingual angulation of the molar teeth in the maxillary and mandibular regions were evaluated using scanned three-dimensional dental models.</p><p><strong>Results: </strong>Dental arch parameters and buccolingual molar angulation did not significantly differ between the different age groups in either the patients with BPC or the controls (p>0.05). However, several dental arch width parameters differed significantly between sexes in both groups, with higher values in boys than in girls (p<0.05). The difference in the upper and lower molar buccolingual angulation between patients with BPC and controls was greater at the age of 16-18 years than the age of 12-14 years (p<0.05).</p><p><strong>Conclusion: </strong>Patients with BPC have smaller maxillary dental arch widths and larger mandibular intermolar widths than those without BPC. The difference in the molar buccolingual angulation between them increases with advancing age.</p>","PeriodicalId":37013,"journal":{"name":"Turkish Journal of Orthodontics","volume":"36 3","pages":"165-172"},"PeriodicalIF":1.1,"publicationDate":"2023-09-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://ftp.ncbi.nlm.nih.gov/pub/pmc/oa_pdf/7b/9d/tjo-36-165.PMC10548054.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"41173216","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}
{"title":"Conventional Twin-Block Versus Cervical Headgear and Twin-Block Combination: Therapeutic Effects on the Craniofacial Structures in Growing Subjects.","authors":"Beytullah Gülsoy, Mehmet Ali Yavan","doi":"10.4274/TurkJOrthod.2022.2022.84","DOIUrl":"https://doi.org/10.4274/TurkJOrthod.2022.2022.84","url":null,"abstract":"<p><strong>Objective: </strong>To compare the short-term effects of the conventional twin-block (TB) appliance and the cervical headgear TB (CHG-TB) appliance on craniofacial structures.</p><p><strong>Methods: </strong>The retrospective controlled study examined lateral cephalograms taken from 46 growing subjects. Individuals were divided into two groups according to the treatment. Group I consisted of 15 individuals (9 girls, 6 boys, mean age: 12.34±1.23 years) treated with the TB appliance and Group II consisted of 16 individuals (9 girls, 7 boys) treated with the CHG-TB appliance (mean age: 12.50±1.30 years). To distinguish the treatment effects of these appliances on growth, a control group of 15 untreated individuals (9 girls, 6 boys, mean age: 11.82±1.16 years) was included from the archives.</p><p><strong>Results: </strong>Significant improvements were found in the interdental and maxillo-mandibular measurements in the treatment groups (p<0.001). Significant differences were observed in the SNA, SN/PP, and SN/GoGn values in the CHG-TB group compared to other groups (p<0.05). The mandible showed a significant downward movement in both treatment groups compared with the control group (p<0.001), while the change in SNB angle was statistically significant only in the TB group compared to the control group (p<0.05). Lower incisors showed significant proclination only in the TB group (p<0.05).</p><p><strong>Conclusion: </strong>The CHG-TB appliance was found to be more effective in limiting maxillary growth and preventing lower incisor proclination compared with the TB appliance, whereas the TB appliance was more effective in anterior mandibular movement.</p>","PeriodicalId":37013,"journal":{"name":"Turkish Journal of Orthodontics","volume":"36 3","pages":"149-157"},"PeriodicalIF":1.1,"publicationDate":"2023-09-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://ftp.ncbi.nlm.nih.gov/pub/pmc/oa_pdf/f4/76/tjo-36-149.PMC10548055.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"41159027","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}