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Journal articles on the topic 'Twin-Block Treatment'

Author: Grafiati
Published: 3 June 2025
Last updated: 31 July 2025

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1

A Bhaskar, Deepthy, Vincy Antony, Muhamed Shaloob, Archana M, and Shahanamol VP. "Twin Block - The Paired Perfection One Phase Treatment of Adolescent Class II Malocclusion using Standard Twin - Block Appliance Followed by Fixed Orthodontic Treatment - A Case Report." International Journal of Science and Research (IJSR) 13, no. 7 (2024): 612–16. http://dx.doi.org/10.21275/sr24710105211.

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2

Baccetti, Tiziano, Lorenzo Franchi, Linda Ratner Toth, and James A. McNamara. "Treatment timing for Twin-block therapy." American Journal of Orthodontics and Dentofacial Orthopedics 118, no. 2 (2000): 159–70. http://dx.doi.org/10.1067/mod.2000.105571.

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3

Lin, Ng Hui, Eky Setiawan Soeria Soemantri, and Gita Gayatri. "Changes in soft tissue facial profile of class II skeletal malocclusion patients with retrognathic mandible treated with twin block appliance." Padjadjaran Journal of Dentistry 31, no. 1 (2019): 32. http://dx.doi.org/10.24198/pjd.vol31no1.21154.

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Introduction: The soft tissue aspect in orthodontics treatment has gained attention in the last few years. The soft tissue profile is said to reflect the underlying skeletal profile, which causes a convex profile in patients with class II skeletal malocclusion. This research was aimed to determine the changes in the soft tissue facial profile of class II skeletal malocclusion patients with retrognathic mandible after twin block treatment. Methods: The type of research used in this study was retrospective descriptive research with paired t-test. The population was children aged 10-13 years old
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O’Shea, Catherine, Andrew Quick, Gillian Johnson, Allan Carman, and Peter Herbison. "The effect of a Clark twin block on mandibular motion: a case report." Australasian Orthodontic Journal 26, no. 2 (2010): 189–94. http://dx.doi.org/10.2478/aoj-2010-0031.

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Abstract Aims To investigate mandibular motion in six degrees of freedom before, during and after twin block treatment in one individual. Methods The appliance was worn for eight months, and motion recordings, using a 12-camera opto-electric system, were captured prior to placement of a twin block appliance and 2, 4, 14 and 52 weeks after insertion. Results The wide variations in mandibular motion that accompany twin block wear disappeared post-treatment, except for an increase in anteroposterior movement of the mandible. Conclusion Twin block therapy appears to affect mandibular motion tempor
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Felicita, A. Sumathi, Akshay S. Thirumurthi, and Ravindra K. Jain. "Patient's Psychological Response to Twin-block Therapy." World Journal of Dentistry 8, no. 4 (2017): 327–30. http://dx.doi.org/10.5005/jp-journals-10015-1459.

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ABSTRACT Aims and objectives To determine the psychological response of the patient to twin-block therapy. To design and formulate a questionnaire to patient on twin-block therapy in the orthodontic clinic and the result will be evaluated. Materials and methods A total of 14 patients within the age group of 12 to 14 years on twin-block therapy for treatment of skeletal class II malocclusion with a mandibular deficiency in the Department of Orthodontics were selected. A questionnaire was formulated at the end of twin-block therapy. The completed questionnaire was analyzed and the patient respon
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Trenouth, Michael J. "Cervical spine posture and Twin-block treatment." American Journal of Orthodontics and Dentofacial Orthopedics 156, no. 4 (2019): 439. http://dx.doi.org/10.1016/j.ajodo.2019.07.007.

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Meirina Gartika, Deta Putri Futuhat, Arlette Suzie P,. "ANALISIS PENGGUNAAN TWIN BLOCK PADA PERAWATAN MALOKLUSI DENTOSKELETAL KELAS II DIVISI 1 DISERTAI RETROGNATI MANDIBULA BERDASARKAN CERVICAL VERTEBRAL MATURATION STAGE." ODONTO : Dental Journal 5, no. 2 (2018): 131. http://dx.doi.org/10.30659/odj.5.2.131-138.

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Background:Class II division 1 dentoskeletal malocclusion with mandibularretrognatic can be treated with twin block appliance. The objectives of this studyare to analyse twin block appliance based on mandibular dimension and anteriorfacial height changes, and to determined the most effective time base on CVMSto begin the treatment.Method: The type of research was a retrospective analysis study usingsecondary data. The sample was 14 lateral cephalometric radiographs beforeand after treatment with twin block appliance. It was taken in IKGA RSGM FKGUNPAD 2010 to 2016. Statistic analysis used pair
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Khurdal, Ankita, Shubhangi Mani, N. G. Toshniwal, Nikita Navgire, and Sumeet Mishra. "Cone-Beam Computed Tomographic Analysis of Efficacy of Twin Block versus Fixed Functional Appliance on Right Temporomandibular Joint in Mandibular Advancement Treatment – A Randomized Clinical Trial." Bharati Vidyapeeth Journal of Dentistry and Allied Sciences 1, no. 4 (2024): 12–19. https://doi.org/10.4103/bvjd.bvjd_8_24.

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Abstract Introduction: Functional appliances redirect mandibular growth to correct skeletal discrepancies, especially in Class II malocclusion. Cone-beam computed tomography (CBCT) is suggested for evaluating condylar and mandibular morphology. This study compares skeletal alterations between twin block and cantilever bite jumper (CBJ) placement using CBCT. It assesses skeletal, dental, and temporomandibular joint (TMJ) changes. Objective: To compare the skeletal, dental, and TMJ changes after treatment with removable twin block and CBJ in skeletal Class II malocclusion in growing patients. Ma
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Ehsani, Sayeh, Brian Nebbe, David Normando, Manuel O. Lagravere, and Carlos Flores-Mir. "Dental and skeletal changes in mild to moderate Class II malocclusions treated by either a Twin-block or Xbow appliance followed by full fixed orthodontic treatment." Angle Orthodontist 85, no. 6 (2015): 997–1002. http://dx.doi.org/10.2319/092814-696.1.

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ABSTRACT Objective: To compare the short-term skeletal and dental effects of two-phase orthodontic treatment including either a Twin-block or an XBow appliance. Materials and Methods: This was a retrospective clinical trial of 50 consecutive Class II cases treated in a private practice with either a Twin-block (25) or XBow (25) appliance followed by full fixed orthodontic treatment. To factor out growth, an untreated Class II control group (25) was considered. Results: A MANOVA of treatment/observation changes followed by univariate pairwise comparisons showed that the maxilla moved forward le
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10

Pawar, Rahul. "Removable versus fixed myo-functional appliances in class II malocclusion among Indians." Bioinformation 19, no. 13 (2023): 1318–23. http://dx.doi.org/10.6026/973206300191318.

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It is of interest to compare two myofunctional appliances (frankal appliance and twin bloc) and two fixed orthodontic appliances (Power Scope and Forsus) in management of class II div 1 malocclusion. A total of 56 Class II division 1 malocclusion patients indicated for treatment with myofunctional appliances and fixed functional appliances were randomized. They were equally divided among frankal appliance (n=14), twin block appliance (n=14), Power Scope (American Orthodontics) (n=14), Forsus (3M Unitek Corp) groups (n=14). Skeletal and dentoalveolar effects of all appliances were compared. SNB
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Chrisni Oktavia Jusup and Endah Mardiati. "Growth modification treatment of mandibular retrognathism using twin block apparatus (case report)." Makassar Dental Journal 11, no. 3 (2022): 391–95. http://dx.doi.org/10.35856/mdj.v11i3.665.

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Interceptive orthodontic treatment, which is growth modification treatment using removable appliances such as twin block, is effective in treating skeletal retrognathic mandibular abnormalities in growing patients. A 10-year-old female with class II den-toskeletal malocclusion with retrognathic mandibular was treated using a twin block device for 8 months of active period and 4 months of retention period to obtain class I skeletal relationships, class I molar and canine relationships and normal overjet and overbite. Treatment begins with recording the bite by instructing the patient to advance
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Yoana, Y., Eka Chemiawan, and Arlette Suzy Setiawan. "Dentoalveolar changes in post-twin block appliance orthodontic treatment class II dentoskeletal malocclusion." Dental Journal (Majalah Kedokteran Gigi) 50, no. 4 (2017): 211. http://dx.doi.org/10.20473/j.djmkg.v50.i4.p211-215.

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Background: The analysis of cephalometric radiographs provides information about facial skeletal structures, jaw bone-base relationships, incisive-axial inclination relationships, soft tissue morphology, growth direction and pattern, malocclusion classification and the limitations of orthodontic treatments. In class II malocclusion, the mesiobuccal cusp of the permanent maxillary first molar rests between the first mandibular molar and the second premolar. A twin block appliance is recommended to treat Class II dentoskeletal malocclusion with retrognathic mandible characteristics. Purpose: The
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Gurudatta, Navjeet Singh, Ranjit H. Kamble, Jimmy K. Sangtani, Zynul A. John, Monika M. Ahuja, and Prutha G. Khakhar. "Discomfort, Expectations and Experiences during Treatment of Class II Malocclusion with Clear Block and Twin Block Appliance - A Pilot Survey." Journal of Evolution of Medical and Dental Sciences 10, no. 15 (2021): 1064–68. http://dx.doi.org/10.14260/jemds/2021/227.

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BACKGROUND Skeletal class II division 1 malocclusion is an antero posterior discrepancy between maxilla and mandible which is usually treated by functional appliances when the patient is in the growing phase. It has been shown that these functional orthodontic appliances may lead to pressure on the oral mucosa, soft tissue tension, oral constriction, toothache and pain. They may also lead to fatigue or to functional speech and respiratory disorders, and they may affect the appearance of the face. All of these undesired consequences affect the patients’ degree of compliance in a negative manner
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14

Jena, Ashok Kumar, Ritu Duggal, and Hari Parkash. "Orthopedic and orthodontic effects of Twin-block appliance." Journal of Clinical Pediatric Dentistry 29, no. 3 (2005): 225–30. http://dx.doi.org/10.17796/jcpd.29.3.c33050g516406336.

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This prospective study was conducted on 24 North Indian subjects (10 Control and 14 Twin-block) to evaluate the skeletal and dentoalveolar effects of Twin-block appliance in the treatment of Class II division 1 malocclusion. The result of the present study showed that Twin-block is an effective appliance in accelerating mandibular growth. It also helped dramatically in molar correction and overjet reduction in Class II division 1 malocclusion subjects.
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Ankita Agrawal, Narendra Sharma, Ranjit Kamble, Sunita Shrivastav, Shriya Prakash Murarka, and Akanksha Kumar. "Comparative evaluation of Skeletal, Dental, and Soft Tissue Changes in Class II Division 1 Malocclusion Cases Treated with Twin Block and innovative Clear Block Appliance - A Prospective Interventional Study." International Journal of Research in Pharmaceutical Sciences 12, no. 2 (2021): 1238–46. http://dx.doi.org/10.26452/ijrps.v12i2.4666.

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The present study was undertaken to evaluate and compare the skeletal, dental, and soft tissue changes in skeletal Class II division 1 cases treated with Twin Block and Clear Block appliances using a cephalogram. A total of 40 patients of age between 12-14 years were randomly divided into two equal groups. Group 1: treated with Twin Block appliance and Group 2: treated with Clear Block appliance. The pre-treatment lateral cephalogram was taken and skeletal, dental, and soft tissue parameters were evaluated and the appliance was delivered. After 8 months, another lateral cephalogram of all the
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16

Quek, Samuel Y. P., Julyana Gomes-Zagury, and Gayathri Subramanian. "Twin Block in Myogenous Orofacial Pain: Applied Anatomy, Technique Update, and Safety." Anesthesia Progress 67, no. 2 (2020): 103–6. http://dx.doi.org/10.2344/anpr-67-01-03.

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The twin block, introduced in 2014, has proven to be more advantageous for the management of myogenous orofacial pain than the masseteric nerve block, which was introduced in 2009. The twin block is an extraoral nerve block injection which passes through the temporal fossa to anesthetize both the masseteric and the deep temporal nerves as they exit the infratemporal fossa at the infratemporal crest. Similar to the masseteric nerve block, the twin block has demonstrated efficacy with expeditious and sustained relief of myogenous face pain originating from the masseter muscle. Furthermore, in a
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17

DiBiase, Andrew T., Luisa Lucchesi, Usman Qureshi, and Robert T. Lee. "Post-treatment cephalometric changes in adolescent patients with Class II malocclusion treated using two different functional appliance systems for an extended time period: a randomized clinical trial." European Journal of Orthodontics 42, no. 2 (2019): 135–43. http://dx.doi.org/10.1093/ejo/cjz059.

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Summary Objectives To assess the post-treatment changes in Class II adolescent patients treated with two different functional appliances for an extended time period. Design Randomized clinical trial. Setting One university and one district general hospital in the UK. Participants Caucasian adolescent patients with a Class II malocclusion. Methods Pairs of patients of similar age and gender were randomly allocated to one of two functional appliance systems, the Twin Block or Dynamax appliance. The appliances were used for 15 months full time. Changes were measured from lateral cephalograms take
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Jayanti, Claudia Nur Rizky, and Risti Saptarini Primarti. "Twin block therapy in a child with class II malocclusion and mouth breathing assisted by AI-driven software for cephalometric analysis: case report." Padjadjaran Journal of Dentistry 37, no. 1 (2025): 44–55. https://doi.org/10.24198/pjd.vol37no1.59299.

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Introduction: The Twin Block appliance is widely recognized as an effective treatment for Class II malocclusion in growing children. While cephalometric analysis software, including AI-based tools, is a well-established diagnostic aid, its integration into treatment planning enhances diagnostic precision and progress monitoring. This case report aims to highlight the management of a child with Class II malocclusion and mouth breathing using a Twin Block appliance, assisted by AI-driven software for cephalometric analysis to enhance treatment outcomes. Case Report: A 10-year-old boy presented w
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Antonarakis, Gregory Stylianos, and Stavros Kiliaridis. "Short-term Anteroposterior Treatment Effects of Functional Appliances and Extraoral Traction on Class II Malocclusion." Angle Orthodontist 77, no. 5 (2007): 907–14. http://dx.doi.org/10.2319/061706-244.

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Abstract Objective: To evaluate the anteroposterior short-term skeletal and dental effects on Class II malocclusion in growing patients following treatment with functional appliances (activators or twin block), extraoral traction, or combination appliances (appliances with both functional and extraoral traction components), based on published data. Materials and Methods: A literature search was carried out identifying a total of nine prospective clinical trials. The data provided in the publications underwent meta-analysis using the random effects model with regard to SNA, SNB, ANB, and overje
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20

Dewi, Renie Kumala, Seno Pradopo, and Sindy Cornelia Nelwan. "EARLY TREATMENT OF CLASS II DIVISION 1 MALOCCLUSION USING TWIN BLOCK APPLIANCES: A CASE REPORT." Dentino : Jurnal Kedokteran Gigi 7, no. 1 (2022): 94. http://dx.doi.org/10.20527/dentino.v7i1.13111.

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Background: Malocclusion is dentofacial growth deviation from its normal size and shape, thus causing abnormal occlusion. One of its etiology is heredity. Removable twin block, a functional appliance that can be used in interceptive orthodontic treatment, can be used to treat Class II malocclusion with large overjet in children during skeletal growth and development. Case: An 11-year-old boy came to pediatric dental specialist clinic with Class II division 1 Angle malocclusion (SNA 82°; SNB 74°; ANB 8°, CVM CS 4, overjet 14 mm, overbite 7 mm, and convex profile). Removable twin block for Class
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Ravindranath, VK, Sachin Doshi, and Prateek Navratan Daga. "Correction of Skeletal Sagittal Dysplasia using Twin Block Traction Technique." Journal of Contemporary Dentistry 6, no. 1 (2016): 75–79. http://dx.doi.org/10.5005/jp-journals-10031-1146.

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ABSTRACT The primary concern of the patient as well as their parent seeking orthodontic treatment is the sagittal relationship of the dentition and jaws. Twin block is the most common functional appliance used successfully in correction of growing patient with skeletal class II malocclusion. However, the method of using extraoral traction in combination with twin block appliance (twin block traction technique) is to reinforce the functional component for correction of a class II sagittal relationship. A 12-year-old male patient reported to the Department of Orthodontics with a chief complaint
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Salloum, Erfan, Declan T. Millett, and Grant T. McIntyre. "The twin-block appliance for correction of class II division 1 malocclusion." Dental Update 48, no. 7 (2021): 579–83. http://dx.doi.org/10.12968/denu.2021.48.7.579.

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The twin-block appliance is a widely used functional appliance for the correction of Class II division 1 malocclusion in growing children and adolescents. This article outlines the indications and case assessment, the steps in clinical management and appliance design. Evidence regarding the mode of action, effects and prediction of treatment outcome of the twin-block appliance for Class II division 1 malocclusion are also presented. CPD/Clinical Relevance: The twin-block appliance is a widely used functional appliance in the UK for the correction of Class II division 1 malocclusion in growing
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Rota, Elisa, and Giulia Baccaglione. "Second Class Functional Treatment: Andreasen Activator vs Twin Block." International Journal of Clinical Pediatric Dentistry 13, no. 2 (2020): 144–49. http://dx.doi.org/10.5005/jp-journals-10005-1725.

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Sandler, P. J. "Timing of Twin-block treatment in the United Kingdom." American Journal of Orthodontics and Dentofacial Orthopedics 120, no. 4 (2001): 15A—16A. http://dx.doi.org/10.1067/mod.2001.119347.

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Thapa, Vivek Bikram, Amrita Shrestha, Prabesh Sherchan, Prakash Poudel, and Luna Joshi. "Twin block appliance: Effect on pharyngeal airway." Journal of Kathmandu Medical College 7, no. 4 (2018): 147–52. http://dx.doi.org/10.3126/jkmc.v7i4.23299.

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Background: Mandibular retrusion is the main cause of Skeletal Class II malocclusion characterized by skeletal retrusion of mandible with skeletal or dentoalveolar protrusion of maxillary.
 Objectives: This study was conducted to evaluate effect of treatment with twin-block appliances on pharyngeal dimensions.
 Methodology: This study was conducted in in the Department of Orthodontics & Dentofacial Orthopedics in Kathmandu Medical College. Twenty patients of age group 7 to 14 years with skeletal class II malocclusion with mandibular retrusion were selected. Variables evaluated we
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Lubis, Hilda Fitria, Nurhayati Harahap, and Ananda Permata Sari. "Skeletal Class II Malocclusion Treatment with Combined Twin Block and Lip Bumper Appliances: A Case Report." Archives of Orofacial Sciences 16, Supp. 1 (2021): 87–94. http://dx.doi.org/10.21315/aos2021.16.s1.9.

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Functional appliances have been used over a century in clinical orthodontic treatments for skeletal Class II malocclusion patients. Its popularity is attributed to its high patient adaptability and ability to produce rapid treatment changes. The twin block and lip bumper can be combined depending on the patient’s cases. The purpose of therapy with twin block is effective in mandibular growth deficiencies to induce supplementary lengthening of mandibular by stimulating increased growth at the condylar cartilage. The patient was a ten-year-old male patient with skeletal Class II malocclusion. He
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Shadlinskaya, Ramida, та Zaur Novruzov. "THEEFFICIENCY OF ORTHODONTIC TREATMENT OF CLASSII MALOCCLUSION IN CHILDREN WITH β -THALASSEMIA MAJO". Archiv Euromedica 11, № 1 (2021): 143–46. http://dx.doi.org/10.35630/2199-885x/2021/11/1.31.

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Aims: Evaluation of the effectiveness of orthodontic treatment of Class II malocclusion with the Twin-block appliance in children withβ-thalassemia major. Methods: The study was conducted with 49 patients with Class II malocclusion aged 10-14 years. The control group included 23 healthy patients. The main group included 26 patients with β-thalassemia major. Patients had received orthodontic treatment with a Twin-block appliance. The duration of orthodontic treatment was 1.5–2 years. Results: In both groups, a statistically significant increase in the SNB angle was observed. Subsequently, the A
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Rajput, Raksha K., Hitesh Dhakad, and Suchita Daokar. "Effect of twin block and forsus on Pharyngeal airway dimensions: A comparative study." IP International Journal of Maxillofacial Imaging 9, no. 3 (2023): 132–41. http://dx.doi.org/10.18231/j.ijmi.2023.023.

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The objective of this study was to evaluate and compare the effects of Twin Block and Forsus on the Posterior Airway Passage (PAP) and Posterior pharyngeal wall Thickness (PPWT) in the treatment of Class II division 1 malocclusion. This was a 2-arm parallel, randomized controlled trial. A total of 24 Class II division 1 malocclusion patients indicated for treatment with functional appliances were randomized and equally divided among Twin Block and Forsus (3M Unitek Corp, Monrovia, Calif) groups. Skeletal changes, PAP changes and PPWT were compared using Twin Block and Forsus. Block randomizati
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Kim, Seong Sik, Sung Hun Kim, Yongil Kim, Soobyung Park, and Woosung Son. "Successful treatment of growing skeletal class II children with Twin-Block appliance." Journal of The Korean Dental Association 56, no. 2 (2018): 103–12. http://dx.doi.org/10.22974/jkda.2018.56.2.003.

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The treatment of skeletal Class II growing patient is to move the mandible into the Class I molar positon via facilitating mandibular growth. The functional appliances are to be designed to exert three major functions such as palatal expansion, forward growth of mandible and increase of the posterior vertical dimension. One of the devices that can achieve both the palatal expansion and the eruption of the mandibular molar is the Twin-Block introduced by Clark in 1982. In this part, we present the treatment method with Twin-Block functional appliance for the correction of skeletal Class II grow
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Novruzov, Z. G., R. K. Alieva, Z. I. Garaev, and S. K. Kulieva. "Effect of modified twin block appliance used for distoclusion treatment on stomatognathic system." Kazan medical journal 99, no. 3 (2018): 426–32. http://dx.doi.org/10.17816/kmj2018-426.

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Aim. Study of the effect of modified twin block activator used for distoclusion treatment on stomatognathic system and its improvement. Methods. 55 patients with skeletal distoclusion were examined. Out of them 28 patients treated orthodontically comprised the study group and 27 non-treated patients were included into the control group. The patients' age was 10-14 years (mean age 11.78±0.91), the duration of treatment was 1.5-2 years (mean duration 1.82±0.43). To avaluate the changes in stomatognathic system, cephalometric analysis was performed before and after treatment, and in the control g
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Aminian, Amin, Shahriar Sarvareh Azimzadeh, and Elina Rahmanian. "Cl II Malocclusion Treatment, Using the Modified Twin Block Appliance Coordinated with Fixed Orthodontics in a Postmenarche Patient." Case Reports in Dentistry 2017 (2017): 1–8. http://dx.doi.org/10.1155/2017/2525374.

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Functional appliances have been used for treatment of Class II patients for a long time. The main objective of therapy with functional appliances is to induce supplementary lengthening of the mandible by stimulating increased growth at the condylar cartilage. The Twin Block appliance is one of the most commonly used functional appliances. The aim of this paper is to present a case report of mandibular deficiency treatment with Twin Block appliance in a female patient whose sexual maturation (one and a half years after menarche) and cervical vertebral maturation stage indicated the end of the g
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Rajput, Raksha, and Suchita Daokar. "Comparative Evaluation of Hyoid Bone Position and Tongue Area with Twin Block and Forsus: A Randomized Clinical Trial." Orthodontic Journal of Nepal 10, no. 1 (2020): 55–64. http://dx.doi.org/10.3126/ojn.v10i1.31006.

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Introduction: Class II div 1 malocclusion is most commonly presented with retruded mandible. This backward placement of mandible pushes the tongue posteriorly and inturn impairs the position of hyoid bone and total tongue area. Correction of retruded mandible with functional appliances is also considered to have positive effect on hyoid bone position and tongue area. Aim and Objectives: The objective of this study was to evaluate and compare the effects of Twin Block and Forsus on the hyoid bone position and tongue area in the treatment of Class II division 1 malocclusion.
 Materials &amp
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Doshi, Dr Lay Rakeshkumar, Dr Narayan Kulkarni, Dr Ipsit Trivedi, Dr Nirali Shah, and Dr Bhumi Shah. "Ravelling Of Skeletal, Dental and Soft Tissue Changes between Twin Block and HERBST Appliances in Growing Children with Class II Malocclusion: A Systematic Review." Journal of Medical and Dental Science Research 12, no. 4 (2025): 01–08. https://doi.org/10.35629/076x-12040108.

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Objective - Our systemic review aimed to evaluate the efficacy of applying Herbst and Twin Block appliances in the treatment of Class II malocclusion among children. Materials and Methods - A systematic review following PRISMA guidelines was conducted to compare Twin Block and Herbst appliances in treating Class II malocclusion in growing children (12–18 years). Studies were identified through PubMed, ScienceDirect, Google Scholar, and Cochrane Library (2000–2024) using the terms: Twin Block OR Herbst Appliance AND Skeletal, Dental, Soft Tissue changes. Eligible studies included RCTs, CCTs, an
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Shahzad, Khurram, Javeeria Asif Cheema, Muhammad Azeem, and Waheed Ul Hamid. "Dentoskeletal Changes in Class II Subjects following Treatment with Twin Block and Herbst Appliance." Orthodontic Journal of Nepal 8, no. 1 (2018): 18–21. http://dx.doi.org/10.3126/ojn.v8i1.21341.

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Objective: To compare the mean changes in dentoskeletal parameters in Class II patients treated by Twin Block versus Herbst appliance.Materials & Method: The study was conducted at the Orthodontic Department of Children’s Hospital and Institute of Child Health and de’Montmorency College of Dentistry, Lahore. The study involved 50 patients those were randomized in equal numbers according to lottery method to either Group-1 (Twin block) or Group-2 (Herbst). Mean changes in SNA, SNB and IMPA at the end of treatment was calculated by subtracting Pretreatment measurements (T1) from post treatme
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Mills, Christine M., and Kara J. McCulloch. "Treatment effects of the twin block appliance: A cephalometric study." American Journal of Orthodontics and Dentofacial Orthopedics 114, no. 1 (1998): 15–24. http://dx.doi.org/10.1016/s0889-5406(98)70232-x.

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36

Asma Najibullah Khan, Omar Arshad, Amra Minhas Abid, and Shahzonia Tariq. "A Cephalometric Study of Pharyngeal Dimensions Following Twin Block Treatment." Annals of PIMS-Shaheed Zulfiqar Ali Bhutto Medical University 19, no. 3 (2023): 205–9. http://dx.doi.org/10.48036/apims.v19i3.815.

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Objective: To assess and compare changes in pharyngeal airway widths (PAW) using lateral cephalograms before and after treatment with a removable twin block appliance. Methodology: Lateral cephalogram records were taken before (T0) and after (T1) the treatment of 50 Class II subjects (ANB>40; 28 males, 22 females; mean age 12.6 years) using the removable twin block appliance. The study period spanned 12 months. Airway volumes, including upper airway width (UAW), middle airway width (MAW), and lower airway width (LAW), were compared between T0 and T1. The data were analyzed using SPSS statis
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Duan, Jun, Wanyuan Xia, Kai Yang, et al. "The Efficacy of Twin-Block Appliances for the Treatment of Obstructive Sleep Apnea in Children: A Systematic Review and Meta-Analysis." BioMed Research International 2022 (July 11, 2022): 1–13. http://dx.doi.org/10.1155/2022/3594162.

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Objective. To evaluate the efficacy of twin-block appliance in the treatment of children with obstructive sleep apnea (OSA). Methods. Two independent reviewers conducted a systematic review of seven databases from database establishment until October 16, 2021. There were no language restrictions. The outcomes were changes in apnea-hypopnea index (AHI), oxyhemoglobin desaturation index (ODI), and lowest arterial oxygen saturation (lowest SaO2). National Institute for Health and Clinical Excellence (NICE) tool was used to assess the quality of the studies included. Results. A total of 207 articl
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Daokar, Suchita, and Mitali Sharma. "A Systematic Review of Skeletal, Dental and Soft Tissue Treatment Effects of Twin Block Appliance." Orthodontic Journal of Nepal 10, no. 1 (2020): 65–72. http://dx.doi.org/10.3126/ojn.v10i1.31007.

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This systematic review aims to assess skeletal, dental and soft tissue treatment effects of the conventional Twin-block appliance compared to control in Class II malocclusion till date. The electronic databases of Medline, PubMed and Cochrane library were systematically searched until September 2019. The human studies that had used the conventional Twin block appliance with a control group evaluated by a Lateral Cephalogram were included. A total of 321 articles were examined. 10 articles were selected. Majority studies reported a significant improvement in the mandible and in the vertical hei
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Lubis, Hilda Fitria, Erik Idrus, Dewi Fatma Suniarti Sastradipura, Retno Widayati, and Miesje Karmiati Purwanegara. "Biological Mechanism of Orthodontic Movement in The Treatment of Skeletal Class II Malocclusion Using Twin Block." Interdental Jurnal Kedokteran Gigi (IJKG) 20, no. 3 (2024): 395–99. https://doi.org/10.46862/interdental.v20i3.9656.

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Introduction: Patients of growing age with dentoskeletal class II malocclusion are often found in the clinic, to avoid further severity it is recommended to use functional appliance in cases involving skeletal. Review: Functional appliances have been widely used since activators were introduced by Andersen, but the use of activators has many disadvantages such as the shape that blends between the maxilla and mandible making it difficult for patients to open their mouths, speak and eat, then the large shape makes patients uncomfortable and causes facial changes. Clark developed the twin block t
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Ulusoy Mutluol, Esra, and Mehmet Akın. "Investigation Of The Effects Of Twin-Block Appliances On Demineralization Of Lower First Premolar." Meandros Medical And Dental Journal 25, no. 1 (2024): 28–35. http://dx.doi.org/10.69601/meandrosmdj.1508216.

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Objective: The purpose of this study is to evaluate possible mineral losses in mandibular first premolars after the use of twin-block appliance, by enamel microhardness measurement method. Materials and Methods: Twenty patients (12 females, 8 males; mean age=12.21±1.12) indicated as fixed orthodontic treatment with mandibular first premolar extraction after functional treatment with twin-block were included in the study. The twin-block appliance was used continuously (excluding meals) for 12 months. The appliance used in this research, which is a split-mouth study, was designed to cover the fi
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Bhosale, Trupti Balasaheb, and Vabitha Shetty. "Salivary Biomarker Levels in Children with Sleep Problems Before and After Twin Block Therapy." Indian Journal of Dental Research 34, no. 4 (2023): 391–95. http://dx.doi.org/10.4103/ijdr.ijdr_88_23.

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Background: Disturbances in sleep have a wide-ranging effect on a child’s life profoundly impacting the standard of living. The aim of this study was to investigate levels of Salivary Tumor Necrosis Factor-Alpha (TNF-α) and Malondialdehyde (MDA) in a group of children with class II malocclusion and sleep problems before and after twin block appliance therapy. Materials and Methods: Eleven children aged 8–12 years with skeletal class II malocclusion and at least one sleep disorder participated in the study. All children were subjected to a recording of their sleep history and a clinical and rad
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Dogra, Binny, Amit Handa, Nareen Chakravarthy, Aditi Subhashchandraji Sarda, Apurva Chavan, and Komal Nalawade. "Different realms of twin block- A review article." IP Indian Journal of Orthodontics and Dentofacial Research 7, no. 4 (2022): 291–300. http://dx.doi.org/10.18231/j.ijodr.2021.048.

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Malocclusions need to intercepted at an early developing stage to prevent severe disturbing outcomes. In all reported cases, Class II is one of the most common malocclusions that is seen which requires treatment using functional appliances as it presents with considerable difficulty in later stages. Twin block has the advantage of versatility of appliance designs and they meet a wide range of requirements for correction of various types of malocclusions for patients. The aim of this study is to include all modifications that could be incorporated in the appliance design to be customized to ind
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Meng, Xue, Hao Chen, Weixian Liu, and Lijun Fang. "Twin Block Appliance for Postoperative Treatment of Intracapsular Condylar Fracture in a Child: A Case Report." Journal of Clinical Question 2, no. 3 (2025): e76. https://doi.org/10.69854/jcq.2025.0019.

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Background: Pediatric intracapsular condylar fractures are common and often challenging to manage, particularly when accompanied by displacement and tooth loss. Case Presentation: An 8-year-old girl presented with different types of fractures on both sides, along with tooth loss. A Twin Block functional appliance was employed following surgical treatment. After treatment and 10 months of follow-up, the bilateral condyles and articular fossae had healed well, the mouth opening exhibited a normal pattern, and lateral movement of the mandible was good. Conclusion: The Twin Block appliance appears
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Mukherjee, Kasturi, Prakash Banerjee, Vikrant Omprakash Shetty, Poulomi Roy, Shyamal Bar, and Shweta Sunil Bakre. "Class II Malocclusion Treatment Using Combined Twin Block and Fixed Orthodontic Appliances: A Case Series." Journal of Pharmacy and Bioallied Sciences 17, Suppl 1 (2025): S1046—S1049. https://doi.org/10.4103/jpbs.jpbs_401_25.

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ABSTRACT The effect of the Twin Block functional orthodontic appliances is mostly dento-alveolar with small skeletal effect. There are certain clinical indications where functional appliances can be used successfully in class II malocclusion, e.g., in a growing patient. The use of these appliances is greatly dependent on the patient’s compliance, and they simplify the fixed appliance phase. The use of functional jaw orthopedics, at the correct time during growth, can ultimately result in achieving a broad beautiful smile, an excellent functional occlusion, a full face with a beautiful jaw line
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Stratford, Nora M., and Jennifer A. Scott. "Stabilization of Functional Treatment: The Waveney Goal Post Appliance." British Journal of Orthodontics 15, no. 2 (1988): 123–25. http://dx.doi.org/10.1179/bjo.15.2.123.

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The Waveney Goal Post Appliance was designed to stabilize the second supportive phase of Clark's Twin Block therapy (1982). It is to be worn full time and is simple to construct, and well tolerated. It can be used to stabilize the dentition following most forms of functional treatment.
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Jha, Kanistika, Manoj Adhikari, and Pratikshya Panthee. "Skeletal, Dental and Soft Tissue Effects of Twin Block Appliance in Different Facial Divergence Cases." Journal of College of Medical Sciences-Nepal 19, no. 4 (2023): 473–81. http://dx.doi.org/10.3126/jcmsn.v19i4.56337.

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IntroductionClass II malocclusions refer to a discrepancy in the sagittal plane associated with either backward or upward rotation of the jaw. A backwardly positioned mandible is usually managed using a Twin block appliance which contains a bite plane to direct the occlusal forces in a more favorable direction. Our aim was to evaluate skeletal, dental, and soft tissue changes using twin-block appliance therapy in different facial divergence patients. MethodsA cephalometric study was conducted among two groups with 15 patients in each group. Group 1 have a Frankfort Mandibular plane Angle (FMA)
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Saikoski, Luciano Zilio, Rodrigo Hermont Cançado, Fabrício Pinelli Valarelli, and Karina Maria Salvatore de Freitas. "Dentoskeletal effects of Class II malocclusion treatment with the Twin Block appliance in a Brazilian sample: A prospective study." Dental Press Journal of Orthodontics 19, no. 1 (2014): 36–45. http://dx.doi.org/10.1590/2176-9451.19.1.036-045.oar.

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OBJECTIVE: The aim of this study was to assess the dentoskeletal effects of Class II malocclusion treatment performed with the Twin Block appliance. METHODS: The experimental group comprised 20 individuals with initial mean age of 11.76 years and was treated for a period of 1.13 years. The control group comprised 25 individuals with initial mean age of 11.39 years and a follow-up period of 1.07 years. Lateral cephalograms were taken at treatment onset and completion to assess treatment outcomes. Intergroup comparison was performed by means of the chi-square and independent t tests. RESULTS: Th
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Wei, Dr Tingting, and Dr Jiaojiao Xue. "Fixed vs Removable Twin-block Treatment in Skeletal Class II Malocclusion." International Dental Journal 73 (September 2023): S23. http://dx.doi.org/10.1016/j.identj.2023.07.252.

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Seto Pramudita and Rasmi Rikmasari. "Treatment of mild obstructive sleep apnea using twin block oral appliance." Journal of Dentomaxillofacial Science 8, no. 3 (2023): 200–203. http://dx.doi.org/10.15562/jdmfs.v8i3.1405.

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Objective: Obstructive sleep apnea (OSA) is a condition where obstruction of upper airways appears periodically while patient asleep that can be complete (apnea) or partially (hypopnea). This condition is most common on male population with obese body. A prosthodontist can try to help by providing oral appliances (OA) for patient to use while they were asleep. OA were designed to thrust mandible forward and downward so that minimalize the chance for obstruction of upper airways to occur. Case Report: A forty years old patient was complaining about his bad sleep quality. He stated that he often
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Parvathy, Ram Mohan, Sandeep Shetty, and Parveen Katheesa. "Evaluation of changes seen in TMJ after mandibular advancement in treatment of Class II malocclusions, with functional appliances, a CBCT study." Biomedicine 41, no. 2 (2021): 236–42. http://dx.doi.org/10.51248/.v41i2.789.

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Introduction and Aim: Various functional appliances are developed to remodel the glenoid fossa and, thereby change the position of the mandible and correct Class II malocclusion. Many diagnostic aids have already been used to evaluate the changes ,but Cone Beam computed tomography (CBCT), three -dimensional diagnostic tool is rarely used .So this study was conducted with an aim is to evaluate the changes seen in the temporomandibular joint (TMJ) after mandibular advancement in class II malocclusions with functional appliance therapy, using CBCT, and also to assess and compare the efficacy of T
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