Orthodontics and Orthodontology Commons^™

Antibacterial And Antibiofilm Efficacy Of Pineapple Hump (Ananas Comosus) On Porphyromonas Gingivalis In Vitro, Abdul Gani Soulissa, Billy Lombardo, Armelia Sari Widyarman

Journal of Dentistry Indonesia

Background: Periodontal disease is one of the most prevalent oral health problems in Indonesia that affects supporting tissues of the teeth. Porphyromonas gingivalis plays an important role in the pathogenesis of periodontal disease. Alternative therapy with natural plant extracts, including pineapple (Ananas comosus) hump extract may inhibit the growth of bacteria that cause periodontal disease. Objective: To determine the effect of pineapple hump extract on bacterial growth and adhesion of Porphyromonas gingivalis biofilms. Method: The bacterial inhibition test was performed by the agar well diffusion method, and biofilm density measurements were made using the biofilm assay method. Results: Pineapple hump …

Effects Of Different Finishing Procedures On Surface Roughness Of Hybrid Cad/Cam Materials, Ender Akan, Ozlem Colgecen, Ibrahim Talha Meşe, Bora Bağiş

Journal of Dentistry Indonesia

Hybrid ceramics combine the beneficial properties of resin with the advantage of glass ceramics. However, there are limited study about on roughness properties of hybrid materials. Objective: To investigate of the effects of surface finishing methods on roughness of dental restorations made from hybrid CAD/CAM blocks. Methods: A total of 60 samples were produced (n=20) for three main material groups, two different hybrid ceramic (LAVA Ultimate and VITA Enamic) and a conventional glass ceramic (IPS e.max CAD). Each material group was divided into two subgroups (n=10). Ten samples were polished and 10 were glazed according to related manufacturer instructions. Surface …

The Effect Of Parabiotic Reuterin On The Expression Of Genes Involved In Candida Albicans Biofilm Formation: An Ex Vivo Study, Anastasya Muna Riad, Armelia Sari Widyarman

Journal of Dentistry Indonesia

Candida albicans has a number of properties, including resistance to various antimicrobial agents, which allow it to survive in the root canals. Lactobacillus reuteri plays a role in maintaining oral health through interactions with the oral microbiome. L. reuteri has potential as a preventive and therapeutic agent against inflammatory diseases. Objective: The aim of this study was to investigate the effect of irrigation with a reuterin-containing solution on BCR1, ACE2, EFG1, and TEC1 gene expression in C. albicans root canal biofilms. Methods: L. reuteri was cultured in MRS broth and incubated anaerobically for 24 hours at 37°C. C. albicans was …

The Effect Of Orthodontic Treatment With Extraction On The Upper Airway Dimensions And Three-Dimensional Morphology: A Retrospective Study Using Cone-Beam Computed Tomography Technique, Ehsan Mostaghni

Theses & Dissertations

The purpose of this study was to evaluate the effect of orthodontic treatment with and without extractions of teeth on the upper airway dimension and morphology. Records of 40 consecutively treated patients who received orthodontic treatment with or without dental extractions were evaluated. Pre-and post-treatment volumes, minimum cross-sectional areas, and linear dimensions of oropharyngeal airways were quantified using InVivo Dental 6.0 (Anatomage, San Jose, CA). Additionally, pre and post CBCT images of the upper airways were superimposed on each other using voxel-based registration and fixed coordinate system using 3D Slicer 4.1.1 (www.Slicer.org) and ITK-SNAP (http://www.itksnap.org). While the …

Alignment Of Cervical Vertebrae And Reliability Of Cephalometric Measurements, Ece Agirgol

Theses & Dissertations

Cervical vertebrae are in close relationship with dentofacial structures due to their anatomical position. In previous studies, the inclination of cervical vertebrae was measured by mostly Nasion-Sella line as the reference plane to evaluate the relationship with dentofacial structures.

The aim of this study is to observe the correlation between cervical vertebrae inclination and lateral cephalometric measurements. 124 lateral cephalograms taken in Natural Head Position of subjects over 18 years of age were traced with Dolphin Imaging Software 11.95 Premium. Cervical vertebrae inclination was measured by using the lines passing from landmarks on second, third and forth cervical vertebrae. Correlation …

Validation Of The Flexcell®Fx-5000 Tension System To Evaluate The Expression Of Cementum Protein-1 In Human Periodontal Ligament Cells While Under Cyclical Orthodontic Tensile Force, Allison Nicholls

Electronic Thesis and Dissertation Repository

The pressure-tension theory of orthodontic tooth movement (OTM) states that there are differences in microenvironment between the tension and compressions side within the periodontal ligament, leading to differential gene expression within those zones. Cementum protein 1 (CEMP-1) is a human-specific protein localized to the root of a tooth and may play a role in OTM. The first objective was to develop a protocol to apply tensile force to human PDL cells similar to that within the tension zone during OTM. For this, the FlexCell®FX-5000 Tension system was used and fluorescent microscopy was used to confirm validity of the protocol. The …

A Comparison Of Traditional Orthodontic Polishing Systems With Composite Polishing Systems Following Orthodontic Debonding, Elizabeth A. Melvin, Qingzhao Yu, Xiaoming Xu, Camille G. Laird, Paul C. Armbruster, Richard W. Ballard

School of Public Health Faculty Publications

Introduction: At the completion of treatment, the orthodontic practitioner's goal is to effectively remove all traces of adhesive and return enamel to its initial state. With the advent of new polishing systems being released each year, there may be one product that is superior to others. Aim: The purpose of this study is to determine the efficacy of new polishing systems (in the last 5–10 years) used in general dentistry on enamel surface roughness following debond utilizing profilometery and scanning electron microscopy and compare them to established orthodontic polishing systems results. Methods: Fifty-two mandibular incisors were randomly assigned to one …

Noninvasive Orthodontic Treatment For Class Ii Division 2 Adult Patient With 100% Deep Bite By Continuous Wire Mechanism, Yu-Hui Huang, Chun-Liang Kuo, I-Hua Liu, Chun-Hsiu Yang, Chung-Li Wang

Taiwanese Journal of Orthodontics

A characteristic of Class II Division 2 malocclusion is severe deep overbite and lingual inclination of the incisors. Deep overbite can be corrected by intrusion of anterior teeth, extrusion of posterior teeth, or a combination of both. Intrusion of the incisors should be the preferred treatment in nongrowing patients with anterior deep bites.

The patient is a 21-year-old female who had a skeletal Class II, hypodivergent facial pattern, Class II division 2 malocclusion, crowding dentition and traumatic 100% deep overbite. We extracted the two upper first premolars to relieve crowding, and the mandibular crowding was resolved by aligning the lower …

Treatment Of A Class Ii Hyperdivergent Case With Progressive Condylar Resorption, In-Ru Lin, Meng-Yen Chen, Tung-Yiu Wong, Chen-Jung Chang

Taiwanese Journal of Orthodontics

Condylar resorption can be challenging to orthodontist when encountered during treatment. The clinical characteristics and cephalometric findings of a patient who experienced postoperative skeletal relapse caused by progressive condylar resorption (CR) are presented in this case report. The predisposing factors and treatment protocols of condylar resorption are also discussed. A 17-year-old female patient came to our hospital with chief complaint of no contact of anterior teeth. Cephalometric analysis shows that she is a patient with skeletal Class II hyper-divergent pattern caused by mandibular retrognathism. Flattened left condylar head was found on panoramic film suggesting possible condylar erosion in the past. …

Asymmetric Orthodontic Space Closure Of Unilateral Congenitally Missing Second Premolars, Weerayuth Vejwarakul, Yu-Chih Wang, Yuh-Jia Hsieh

Taiwanese Journal of Orthodontics

This case report presents successful orthodontic management of unilateral retained deciduous second molars and congenitally missing second premolars using an additional anchorage in conjunction with the segmented arch approach. A 21-year-old female patient presented as skeletal Class I malocclusion, mild crowding, straight facial profile, and orthodivergent facial pattern. The treatment plan was established to extract deciduous teeth and close the extraction space by molar protraction. A Nance appliance and lingual holding arch were used as an additional anchorage to maintain the facial profile and dental midline, with pure molar protraction performed using a segmented arch and sliding mechanics. After 1 …

Orthodontic Correction Of Insufficient Posterior Overjet With Microimplant-Assisted Rapid Palatal Expansion, Po-Yi Chen, Tai-Ting Lai, Kai-Wen Yu, Huey-Yuan Wang, Shih-Ying Lin

Taiwanese Journal of Orthodontics

Transverse maxillary deficiency is often characterized by insufficient posterior overjet or posterior cross bite and anterior crowding. However, arch expansion in adult patients has been considered to be problematic owing to its possible periodontal side effects, such as gingival recession and bone dehiscence. On the other hand, nonsurgical maxillary expansion of the palatal bone in young adults has been demonstrated to correct transverse maxillary deficiency. This report describes the case of an 18-year-old patient with mild transverse maxillary deficiency accompanied by crowding who underwent microimplant-assisted rapid palatal expansion (MARPE). Using microimplant-assisted rapid palatal expansion allowed relief of crowding and correction …

Comparing Outcomes And Stability After Single- And Two-Piece Lefort I Osteotomies In Patients With Cleft Lip And Palate, Chanin Jittithaworn, Chun-Shin Chang, Chiung Shing Huang, Cheng-Hui Lin, Ellen Wen-Ching Ko

Taiwanese Journal of Orthodontics

Purpose: LeFort I osteotomy is used to correct and improve the maxillary hypoplasia in secondary cleft deformities. However, surgical complex and challenge would be the risk factor of postsurgical instability. This study compared surgical and postsurgical changes in maxillary and mandibular movements and stability in patients with cleft lip and palate (CLP) who underwent single- or two-piece LeFort I osteotomies.

Materials and Methods: Forty-five patients with CLP were included, of whom 30 and 15 received single- and two-piece LeFort I osteotomies, respectively. Cone-beam computed tomography was administered at three time points (T0: presurgery; T1: <1-month postsurgery; and T2: ≥1-year postsurgery) to evaluate surgical (T1–T0) and postsurgical (T2–T1) changes in maxillary and mandibular movement and stability. The overall movement, arch width, and relapse rate were measured and compared between the groups. Potential factors influencing skeletal stability were surgical change, segmental maxilla, cleft types, age, sex, and prior alveolar bone graft placement were analyzed.

Results: There revealed a significant difference …

Is The Anb Norm In Tao Board Examination Appropriate? Meta-Analysis Of Taiwanese Cephalometric Norms, Ya-Lan Chan, Johnson Hsin-Chung Cheng, Pei-Hsuan Chen, Daniel De-Shing Chen

Taiwanese Journal of Orthodontics

Purpose: According to clinical experience, the ANB angle (A point, nasion, B point) norm value of Taiwan Association of Orthodontists (TAO) board examination seems to be larger than the Taiwanese population. Therefore, this study aimed to integrate studies of Taiwanese cephalometric norms by a meta-analysis.

Patients and Methods: Studies were searched from electronic database of PubMed, National Digital Library of Theses and Dissertations in Taiwan, and physical libraries. Ten measurement values were collected. According to age and gender, all samples were divided into three groups. A meta-analysis of the mean and standard deviation values in all groups was performed.

Results: …

Assessment Of Association Between Pain And Root Resorption During Canine Retraction: An Exploratory Study, Hend S. Elsayed

Future Dental Journal

Background: Pain and root resorption are common adverse events reported in the orthodontic literature. Both are side effects of the sterile inflammatory tissue reaction related to the application of orthodontic force. Aim: The aim of this exploratory study was to assess the association between pain and root resorption during canine retraction. Materials and Methods: Twenty-four patients indicated for first premolar extraction and canine retraction were recruited. All patients were treated with 0.022” X 0.028” Roth prescription brackets. After leveling and alignment, canines were retracted over 0.017” X 0.025” stainless steel arch wires. Canines were retracted with elastomeric chains applying 150g …

Efficacy Of Psychological Interventions In The Reduction Of Orthodontic Pain At Its Peak Of Intensity In Patients Undergoing Fixed Orthodontic Treatment: A Systematic Review And Meta-Analysis, Mahmoud Mando Dr., Sameh Talaat Dr.

Future Dental Journal

Objectives: To investigate the efficacy of psychological interventions in the reduction of orthodontic pain at its peak of intensity.

Data sources: A search strategy was implemented using both manual hand search and electronic databases, including Cochrane Central Register of Controlled Trials (CENTRAL), PubMed, ScienceDirect, Scopus and EBSCO.

Resources selection Randomized controlled trials involve 1) patients undergoing fixed orthodontic treatment 2) minimum age of 10 years old, 3) receiving a psychological intervention to control resulted pain and discomfort, 4) medically fit and 5) no previous orthodontic treatment, were included in the systematic review. All articles were checked against the inclusion and …

Meet The Journal’S Editorial Review Board Members, Nancy Pearl Solomon

International Journal of Orofacial Myology and Myofunctional Therapy

I am honored to take on the role as Editor-in-Chief (EIC) of the International Journal of Orofacial Myology and Myofunctional Therapy (IJOM). To prepare for my role as EIC, I set two major goals to address today’s quickly evolving publication standards and the expansion and growth of the discipline of orofacial myofunctional disorders. The first was to establish an on-line submission and review process and an on-line archive for all past articles. The second critical goal was to recruit and enlist an international group of highly respected scientists and doctoral-level practitioners who represent diverse topics related to orofacial myofunctional disorders …

Development Of A Concept For A Mobile Application To Support Orofacial Myofunctional Therapy, Christina Osen, Nicola Litke, Michel Wensing, Aline Weis

International Journal of Orofacial Myology and Myofunctional Therapy

Purpose: This study aimed to develop a concept for a mobile health application, an app-based exercise tool, to support the treatment of orofacial myofunctional disorders by speech-language therapists (SLTs).

Method: A sequential mixed research design combining qualitative research and user-centered software development was applied. Qualitative interviews and focus groups were conducted with eight SLTs, one patient and three relatives to gather ideas for an app to support orofacial myofunctional therapy. On the basis of the findings, a paper-based prototype was developed, which was then evaluated by seven end users, to refine the concept of the app.

Results: Qualitative data on …

Orofacial Myofunctional Assessments In Adults With Malocclusion: A Scoping Review, Samantha C. Washington, Jayanti Ray

International Journal of Orofacial Myology and Myofunctional Therapy

Background: Breathing, chewing, swallowing, sleep, and speech disorders are known to be associated with malocclusions. Assessment protocols using non-instrumental evaluation of orofacial myofunctional disorders (OMD) in adults with malocclusions are almost nonexistent. Purpose: This scoping review aimed to determine the existence of scientific evidence demonstrating the areas of non-instrumental assessment of OMD in adults with malocclusion. Another purpose was to identify the protocols for assessing the nature of orofacial myofunctional assessments in adults with malocclusion. Methods: An electronic search was performed in the databases: MEDLINE, EBSCOhost, PsycINFO, CINAHL, Cochrane Library, Health & Medical Collection, Medline, Nursing and Allied Health Database, …

Review Of New Trends In Myofunctional Therapy: Occlusion, Muscles And Posture, By Saccomanno And Paskay (2020), Jayanti Ray

International Journal of Orofacial Myology and Myofunctional Therapy

The field of myofunctional therapy (MT) is complex, as it covers theoretical and practical information on many topics to effectively assess and treat orofacial myofunctional disorders, also known as myofunctional disorders, including tongue thrust, tongue posture, tongue-tie, orthodontic concepts, oral habits, and more. This review summarizes the strengths and usefulness of the book New Trends in Myofunctional Therapy: Occlusion, Muscles and Posture (Saccomanno & Paskay, 2020). The review informs the audience about various important features of the book, chapter materials, and the overall usefulness of the content for professionals working in MT. Providing cutting-edge information, the book draws substantive support …

Perceptions Of Tongue-Bulb Comfort And Stability With And Without Anti-Slip Patches During Assessments Of Tongue Strength And Endurance, Heidi A. Vanravenhorst-Bell, Lucy M. Cook

International Journal of Orofacial Myology and Myofunctional Therapy

Purpose: The Iowa Oral Performance Instrument (IOPI) is commonly used to measure tongue strength and endurance. The tongue, however, is reported to periodically move from its intended placement on the IOPI bulb during measurement. This study sought to determine one’s perception of tongue-to-bulb slippage with and without two anti-slip patches (Patch1 – flexible fabric, Patch2 – hypoallergenic micropore fabric) and whether measures of tongue strength and endurance differed across the three IOPI bulb conditions.

Method: 40 healthy adults were randomly assigned to perform tongue strength and endurance procedures by elevating either the anterior (n = 22) or posterior ( …

Early Orthodontists, Their Challenges, And Their Significant Impact On Orofacial Myology, Charlotte A. Boshart

International Journal of Orofacial Myology and Myofunctional Therapy

“Knowing your history can give you the tools to shape your future.” Gloria Feldt’s insightful quote inspires us to delve into the past and learn from those who came before us. This article chronicles the journey of several individuals who shaped the field of orthodontics and influenced the formation of the specialty of orofacial myology. The early years of orthodontics were challenging. In addition to the struggle to elevate the focus of orthodontics beyond mechanics, there was the challenge to convince academia to deem it worthy of post-graduate study. Dr. Edward H. Angle left his indelible mark on orthodontics and …

Iaom President's Greeting 2021: 50th Anniversary Celebration, Amanda Moore Chastain

International Journal of Orofacial Myology and Myofunctional Therapy

The 50^th Anniversary Address delivered by the President of the International Association of Orofacial Myology at the Annual IAOM Convention held online October 22-24, 2021.

Proceedings Of The 50th Annual Iaom Convention

International Journal of Orofacial Myology and Myofunctional Therapy

The International Association of Orofacial Myology (IAOM) held its 50^th Anniversary Convention virtually in 2021. The Proceedings of the Convention contain abstracts and summaries of the presentations. Topics include: history of orofacial myology, mastication, palatal expansion, temporomandibular disorder, clinical research methods, tethered oral tissues, frenuloplasty, case report, nasal breathing rehabilitation, sleep disordered breathing, parasomnias, evolution and comparative zoology, reticent children, orofacial myofunctional therapy.

The Influence Of Cbct-Derived 3d-Printed Models On Endodontic Microsurgical Treatment Planning And Confidence Of The Operator, Shreyas Oza, Johnah C. Galicia

Orthodontics and Endodontics Theses

Aims Use of 3D printed models in Endodontics has been gaining popularity since the technology to create them became more affordable. Currently, there are no studies that evaluate the influence of 3D models on endodontic surgical treatment planning and on operator confidence. Therefore, aims of this study were to: (i) Determine whether the availability of a 3D printed analogue can influence treatment-planning and operator confidence; and, (ii) Assess which factors of operator confidence are influenced, if any.

Materials and Methods Endodontists were asked to analyze a pre-selected CBCT scan of an endodontic surgical case and to answer a questionnaire that …

Segmental Maxillomandibular Rotational Advancement (Smmra) In The Treatment Of Adult Patients With Severe Obstructive Sleep Apnea, Hsien-Ching Hung, Ya-Ying Teng, Yuh-Jia Hsieh, Yi-Chin Wang, Yu-Chih Wang

Taiwanese Journal of Orthodontics

Obstructive sleep apnea (OSA) occurs as an increased collapsibility of the upper airway during sleep, which threatens health and quality of life. Asian men with greater severity of OSA presents less obese and are connected with craniofacial abnormalities. Although the traditional maxillomandibular advancement (MMA) had the comparable effectiveness to the continuous positive airway pressure therapy, the midfacial esthetics might be compromised in Asian individuals. The modified MMA procedure was proposed to balance the esthetic demands and improvement of OSA symptoms. The case report showed a 25-year-old man presented with a diagnosis of severe OSA. The pretreatment Apnea Hypopnea Index (AHI) …

Protraction Of Maxillary Single Side Teeth For Substitution Of Missing Canine And 1st Molar, Wan-Jung Tsai, Szu-Ching Lee, Tzu-Ying Wu

Taiwanese Journal of Orthodontics

This case report presents a 24-year-old female with Class III skeletal pattern, anterior cross-bite, retroclined upper incisors with missing teeth (23, 26, 46). Upper dental midline was shifted to left for 3.5 mm due to early missing of tooth 23. Maxillary sinus pneumatization was noted at both sides.

Our treatment goal was to correct upper dental midline and anterior crossbite. On the other hand, the patient requested to close all of the extraction space and solve the problem of poor prognostic tooth 36. Therefore, we extracted tooth 14 for crowding relief and midline correction. Interdental screw was used to protract …

Surgical Alteration Of Occlusal Plane Angulation Followed By Orthodontic Application Of Tads And Yin-Yang Arch Wire In Hypodivergent Prognathic Malocclusion, Chih-Hsun Hou, Yi-Min Liu, Chia-Yi Pan, Huei-Mei Tsai

Taiwanese Journal of Orthodontics

Surgical clockwise pitch rotation of the maxillo-mandibular complex could change the occlusal plane angulation and thereby open the bite. This procedure also increases the mandibular plane angle by forcing the lower face to turn backward and downward; it is the key to correct both skeletal and dental Class III malocclusions.

This case report presents a skeletal deformaty which primarily resulted from excessive transverse growth and reduced vertical growth in the midface and upper dentition. The counterclockwise growth rotation and excessive forward growth mandible aggravated the sagittal jaw bone discrepancy. The dental effect included canted maxillary occlusal plane and severe attrition …

Indication And Timing Of Mucogingival Soft Tissue Augmentation Associated With Orthodontic Treatment, Shun-Jen Yu, Yi-Hao Lee, Aaron Yu-Jen Wu

Taiwanese Journal of Orthodontics

Gingiva recession is defined as an apical shift of the gingival margin caused by different conditions/pathologies. It is associated with clinical attachment loss. Several studies showed prevalence of gingiva recession in orthodontic patients. Some predisposing factors should be taken carefully considering the effect of the treatment modality. No consensus agreement was identified about the timing of the soft tissue augmentation intervention for orthodontic patients with the risk of gingival recession. However, several critical factors can guide the decision making to obtain the most preferred treatment option.

This article reviews the factors regarding the correlation of gingival margin alteration and orthodontic …

Perception Of And Attitudes On Malocclusion: A Literature Review, Gannaran Narangerel, Hsin-Chung Cheng, Bolormaa Sainbayar, Ganjargal Ganburged

Taiwanese Journal of Orthodontics

Purpose: This study aimed to review published evidence on the perception of and attitude on malocclusion and to examine existing assessment tools and influencing factors.

Methods: PubMed, Cochrane Library, and Scopus databases, as well as electronic archives of the European Journal of Orthodontics, American Journal of Orthodontics and Dentofacial Orthopedics, and Angle Orthodontist, were searched to collect articles that compared perception differences between dental professionals and laypeople. Articles that investigated perceptions of dental professionals were excluded.

Results: The literature search identified 94 articles. A total of 31 suitable studies from 1970 to 2019 were finally considered in the review. …

Could Cephalometric Landmarks Serve As Boundaries Of Maxillary Molar Distalization? A Comparison Between Two- And Three-Dimensional Assessments, Jhong-An Ye, Chi-Yu Tsai, Yi-Hao Lee, Yu-Jen Chang, Shiu-Shiung Lin, Jui-Pin Lai, Te-Ju Wu

Taiwanese Journal of Orthodontics

Purpose: This study aimed at measuring the differences between the two-dimensional (2D) and three-dimensional (3D) radiographic boundaries for molar distalization, and their correlations for the amount of maxillary molar distalization.

Patients and Methods: A total of 250 consecutive adult patients were retrospectively reviewed. All the enrolled patients possessed Angle Class III malocclusion with moderate maxillary crowding and suitable for camouflage treatment. The spatial differences between the 2D and 3D radiographic boundaries were compared and measured. The correlation among the range of the distalization boundary and studied clinical variables were assessed by Pearson correlation and the linear regression to determine the …