Microleakage - The Main Culprit In Bracket Bond Failure?,
2019
The University of Medicine and Pharmacy, Cluj Napoca, Romania
Microleakage - The Main Culprit In Bracket Bond Failure?, Ioana Roxana Bordea, Adina Sîrbu, Ondine Lucaciu, Aranka Ilea, Radu Septimiu Câmpian, Doina Adina Todea, Teodora Gabriela Alexescu, Maria Aluaș, Corina Budin, Andreea Simona Pop
Journal of Mind and Medical Sciences
Microleakage is the most common cause of bracket debonding. Moreover, different thermal expansion coefficients between the enamel, the adhesive, and the bracket bases will cause repeated expansion and contraction, adding more stress to the bonding strength. Debonding represents the failure of the adhesion between the brackets and the tooth enamel. The debonding of brackets from the enamel surface is the result of several factors, such as acid-etching and drying, adhesive application, and the time and type of photo activation. The under polymerization process of composite photo activation may lead to early bracket debonding. Objective. The aim of this research …
Early Class Iii Treatment Decision-Making,
2019
West Virginia University School of Dentistry
Early Class Iii Treatment Decision-Making, Peter Ngan, David Musich
Faculty & Staff Scholarship
Clinicians make decisions for their patients everyday. Ryan Hamilton, in his course guidebook, How You Decide: The Science of Human Decision Making, summarized the current research on the 4 R's of decision-making that matter: reference points, reasons, resources, and replacement. The authors will apply this principle in the decision- making necessary for the growing Class III patients. First, the decision on whether to treat or not to treat Class III patients in the mixed dentition rely on a thorough diagnosis and objectives for early treatment. For example, elimination of a functional shift of the mandible may be a good …
Combined Multi-Segmental Surgical-Orthodontic Treatment In Skeletal Class Iii With Facial Asymmetry And Gummy Smile: Two-Year Stability,
2019
Department of Orthodontics, Chang Gung Memorial Hospital, Linkou Branch, Taiwan; Graduate Institute of Dental and Craniofacial Science, Chang Gung University, Taoyuan, Taiwan
Combined Multi-Segmental Surgical-Orthodontic Treatment In Skeletal Class Iii With Facial Asymmetry And Gummy Smile: Two-Year Stability, Rouh-Hwai Wang, Hui-Ling Chen
Taiwanese Journal of Orthodontics
This is a case of skeletal class III malocclusion with facial asymmetry, gummy smile, and maxillary canting, treated with bimaxillary surgery and orthodontic treatment. The two-jaw surgery was performed including a 3-pieces LeFort I segmental osteotomy, anterior segment impaction with clockwise rotation, and bilateral sagittal split osteotomies with genioplasty. Through the 2-year-4-month treatment procedure, the skeletal and occlusal relationship turned to be normal with esthetically pleasing smile and profile. Furthermore, in the two-year follow-up, we found the treatment results were quite stable no matter in skeletal or dental aspects.
The Effects Of Low Intensity Light Emitted Diode On Human Periodontal Ligament Cell And Mouse Cementoblast Cell Line,
2019
Orthodontic Department, Chung Shan Medical University Hospital, Taichung, Taiwan; College of Oral Medicine, Chung Shan Medical University, Taichung, Taiwan
The Effects Of Low Intensity Light Emitted Diode On Human Periodontal Ligament Cell And Mouse Cementoblast Cell Line, Yu-Ting Wu, Yun-Ting Huang, Chun-Yu Chen, Chien-Wei Chao, Chia Tze Kao
Taiwanese Journal of Orthodontics
Objectives: The prevention of external root resorption caused by orthodontic tooth movement was endeavored by many researches. The photobiomodulation with low level dose light emitted diode (LED) is reported. The purpose of this study was to investigate the LED effects on the OCCM-30 and PDL cells proliferation. Materials and Methods: The cementoblast cell line (OCCM-30) and periodontal ligament (PDL) cells were cultured in the FX-5000 Compression System with the 0.255 kPA compression model for one hour; the experimental groups were treated with 860 nm low LED for 20 and 60 minutes. The control group did not receive the LED treatment. …
Diagnosis And Management Of Impacted Maxillary Canines,
2019
Orthodontic Department, Chung Shan Medical University Hospital, Taichung, Taiwan; College of Oral Medicine, Chung Shan Medical University, Taichung, Taiwan
Diagnosis And Management Of Impacted Maxillary Canines, Yu-Cheng Hsu, Chia-Tze Kao, Chih-Chen Chou, Wen-Ken Tai, Po-Yu Yang
Taiwanese Journal of Orthodontics
Maxillary canines play an important role in facial esthetics, since the canine eminence can support the alar and the upper lip. Impacted maxillary canines is a common problem which requires multidisciplinary diagnosis and treatment in dental clinic. The aim of this review is to integrate the studies that include clinical diagnosis and guidelines for management of canine impaction.
Accuracy Of Different Sequencing In Bimaxillary Orthognathic Surgery: A Systematic Review And Meta-Analysis,
2019
Graduate Institute of Dental and Craniofacial Science, Chang Gung University, Taoyuan, Taiwan
Accuracy Of Different Sequencing In Bimaxillary Orthognathic Surgery: A Systematic Review And Meta-Analysis, Thatchawee Borikanphanitphaisan, Ellen Wen-Ching Ko
Taiwanese Journal of Orthodontics
Introduction: Compared to the classic maxilla-first sequence in bimaxillary orthognathic surgery, inverted mandible-sequence has been encouraged for potentially higher accuracy. However, evidence regarding this topic is lacking. Methods: A systematic review of the literature on different sequencing of bimaxillary surgery was conducted, gathering from following databases: Cochrane, Pubmed, Scopus, Medline (Ovid), Web of Science, ScienceDirect. Articles mentioning “sequencing”, “mandible-first”, “orthognathic surgery” of at least case-report level of evidence were included without restriction. Relevant articles were included for quality assessment and extracted data for indications of mandible-first sequence from all studies. Meta-analysis of surgical accuracy at upper central incisors in horizontal …
Use The Lip Bumper Appliance To Control The Lower Lip Biting Habit,
2019
Orthodontic Department, Chung Shan Medical University Hospital, Taichung, Taiwan; College of Oral Medicine, Chung Shan Medical University, Taichung, Taiwan
Use The Lip Bumper Appliance To Control The Lower Lip Biting Habit, Chun-Yu Chen, Chia-Tze Kao, Yu-Tin Wu, Chih-Chen Chou, Jui-Hsien Yang
Taiwanese Journal of Orthodontics
This is a 9 years old boy in mixed dentition stage, with Angle Class I malocclusion, anterior teeth crowding and proclined upper incisors. He was diagnosed with lower lip biting habit. The treatment plan was delivered with two stages treatment, stage 1 was to correct the lip biting habit by using the lip bumper. After four-month observation and lip training, the habit was corrected and the irregularity of lower dentition was decreased. Continued with stage 2 treatment, patient had upper and lower 2x4 fixed appliances to align and level the anterior teeth. The result showed the previous proclined upper incisors …
Orthodontic Correction Of Bimaxillary Protrusion With Mini-Screws In Class Ii Hyperdivergent Patient,
2019
Department of Orthodontics, Taipei Mackay Memorial Hospital
Orthodontic Correction Of Bimaxillary Protrusion With Mini-Screws In Class Ii Hyperdivergent Patient, Shih-Ying Lin, Kai-Wen Yu, Tai-Ting Lai, Chung-Ji Liu, Li-Fang Hsu
Taiwanese Journal of Orthodontics
To achieve a harmonious profile with pleasant smile arc in Class II hyperdivergent adult cases has been a clinical challenge. Adequate retraction and intrusion of maxillary dentition as well as vertical control are the key factors to improve the smiling appearance and the facial profile. A 19-year-old female initially presented with lip protrusion, convex profile, retrusive chin, and a Class II malocclusion. The cephalometric analysis showed a Class II skeletal pattern (ANB = 9°) with high mandibular plane angle (SN-MP = 38°). The treatment plan included extraction of four first premolars for anterior teeth retraction as well as installation of …
A Comparison Of Two Tad Techniques (Miniscrews Versus Miniplates) For Treating Class Iii Malocclusion And The Associated Skeletal And Dental Effects,
2019
Children´s Hospital, Oakland, USA.
A Comparison Of Two Tad Techniques (Miniscrews Versus Miniplates) For Treating Class Iii Malocclusion And The Associated Skeletal And Dental Effects, James Chen, Jesus I. Patino, Jenny Zwei-Chieng Chang, Chung-Chenjane Jane Yao, Ib Leth Nielsen
Taiwanese Journal of Orthodontics
The aim of this study was to compare two different techniques for distalizing the mandibular dentition in patients with Class III malocclusion using either miniscrews or miniplates. We evaluated the skeletal and dento-alveolar changes associated with each method. The study also aimed at identifying cephalometric characteristics in the subjects associated with the most predictable, successful outcome of treatment. Patients and Methods: Our sample consisted of 20 adult subjects (10 females and 10 males) that met the inclusion criteria. We examined pre and post treatment headfilms and analyzed the dental and skeletal changes using a computer program that provided the data …
Unusual Skeletal Growth Of An Adult Patient With Acromegaly: A 12 Year Follow-Up After Orthognathic Surgery,
2019
Section of Orthodontics, Department of Stomatology, Taipei Veterans General Hospital, Taipei, Taiwan; Department of Stomatology, National Yang-Ming University Hospital, Yilan, Taiwan
Unusual Skeletal Growth Of An Adult Patient With Acromegaly: A 12 Year Follow-Up After Orthognathic Surgery, Szu-Ching Lee, Shou-Hsin Kuang, Yu-Shu Yen, Shen-Chieh Lina, Tzu-Ying Wu
Taiwanese Journal of Orthodontics
Acromegaly is an uncommon endocrinological disorder, which is rarely seen in patients presenting for orthodontic treatment. Herein, we report a patient who underwent orthognathic surgery and was diagnosed with acromegaly during the retention phase. During disease progression and treatment, gradual changes in the mandible and facial soft tissue were detected. General information and management of acromegaly are reviewed, and the role of orthodontists in the treatment of patients with acromegaly is discussed.
Management Of A Patient With Euryprosopic Face And Upper Central Diastema,
2019
Dr. Su´s Teamwork Orthodontic Center, Taipei, Taiwan
Management Of A Patient With Euryprosopic Face And Upper Central Diastema, Chung-Teng Chang, Yi-Min Liu, Yuen-Yung Tsang, Huei-Mei Tsai
Taiwanese Journal of Orthodontics
An adult female has upper central diastema complicated with a complete deep bite and spacing in lower dentition. The broad face and ovoid shaped dental arch form require special attention as an intrinsic transverse dimensional skeletal malocclusion. The treatment modality therefore should be totally different from other deep bite cases with crowding or tapered dental arch. The space retention after active treatment is of prime important. Root divergence of upper incisors and bodily protraction movement of lower posterior teeth were the main concerns during treatment. Fixed lingual retainer and long term follow up are essential for stable outcome.
Validating The 3d And 2d Mandibular Plane To The Frankfort Plane For Craniofacial Measurement,
2019
Department of Craniofacial Orthodontic, Chang Gung Memorial Hospital, Linkou, Taiwan; Graduate institute of Craniofacial and Dental Science, Chang Gung University, Taoyuan, Taiwan
Validating The 3d And 2d Mandibular Plane To The Frankfort Plane For Craniofacial Measurement, Jason Jyun-Chen Kuo, Ellen Wen-Ching Ko
Taiwanese Journal of Orthodontics
Purpose: This study evaluated whether the three-dimensional (3D) plane-to-plane mandibular plane angle measurement method could be applied in clinical analysis in a manner similar to the application of conventional two-dimensional (2D) cephalometric measurement, regardless of whether patients had symmetrical planes. Patients and methods: This retrospective study selected 30 patients who had undergone both lateral cephalometric radiography and cone beam computed tomography (CBCT). The 2D measurement was manually traced from the lateral cephalometric radiographs for the Frankfort horizontal plane line and mandibular plane line (2D FMA). The 3D reconstructions for each patient in the CBCT were evaluated using 3D software and …
Class Ii Deep Bite Malocclusion Corrected By Two-Stage Approach,
2019
Division of Orthodontics and Dentofacial Orthopedics, Department of Dentistry, National Taiwan University Hospital, Taipei, Taiwan.
Class Ii Deep Bite Malocclusion Corrected By Two-Stage Approach, Meng-Yun Tsai, Wei-Ting Tseng, Li-Fang Hsu, Kelvin Wen-Chung Chang, Jenny Zwei-Chieng Chang, Eddie Hsiang-Hua Lai
Taiwanese Journal of Orthodontics
In Class II deep-bite malocclusions with growth potential, we could combine orthodontic treatment with orthopedic methods to achieve stable occlusion. The case was a 12-year-old male presented with Class II malocclusion, deep-bite, and low mandibular plane angle. In the stage I treatment, headgear was used to restrict the growth of maxilla. Bilateral Class III molar relationship was gained. After re-evaluation, stage II treatment was started from full mouth banding and bonding, with emphasis on leveling lower curve of Spee and intruding lower anterior teeth by placing reverse curve of Spee in the archwire and intrusive arch to solve the deep …
Long-Term Observation Of Orthodontic Management And Facial Growth On A Patient With Familial Cleidocranial Dysplasia,
2019
Graduate institute of Dental and Craniofacial Science, Chang Gung University; Department of Craniofacial Orthodontics, Chang Gung Memorial Hospital, Taoyuan.
Long-Term Observation Of Orthodontic Management And Facial Growth On A Patient With Familial Cleidocranial Dysplasia, Chung-Yi Ho, Ellen Wen-Ching Ko, Cheng-Hui Lin
Taiwanese Journal of Orthodontics
The orthodontic management of patients with cleidocranial dysplasia (CCD) is challenging, which takes a long treatment duration and observation to follow the progress. The completion of treatment is usually not finished until growth completion. This case describes the long-term stage treatment of a 22-year-old female presented with familial CCD. The first stage orthodontic treatment was separated into two phases including surgical exposure of the anterior and posterior teeth, respectively. Extraction of the delayed exfoliated deciduous incisors and supernumerary teeth to clear the eruption path of the submerged permanent anterior teeth was started at her age of 8. The impacted anterior …
Correction Of Skeletal Class Iii Malocclusion With Four Missing Premolars By Surgery-First Approach,
2019
Dr. Su’s Teamwork Orthodontic Center, Taipei, Taiwan
Correction Of Skeletal Class Iii Malocclusion With Four Missing Premolars By Surgery-First Approach, Yi-Bo Huang, Chia-Yi Pan, Yu-Ling Cheng, Shih-Wei Pan
Taiwanese Journal of Orthodontics
A 21-year-old female with severe concave profile and prominent chin came for surgical-orthodontic consultation. The patient had missing of four premolars which became intricate with extremely lingual inclined incisors and over-developed mandible. The surgery first approach (SFA) was adopted to correct the skeletal factors at the early stage. The pre-adjusted orthodontic bracket system was applied to normalize the torque of the teeth afterward. The capacities of anterior root-torquing auxiliary wire (ART) and multiple-loop edgewise archwire (MEAW) will be discussed, accordingly. The progress records showed remarkable improvement of profile and occlusion. The change of upper incisor show was also discussed. The …
Impact On The Pharyngeal Airway Space After Maxillomandibular Advancement Procedure For Obstructive Sleep Apnea Patients, Ghaddy Alsaty
Graduate Theses, Dissertations, and Problem Reports (ETD)
Background and Objectives: Obstructive sleep apnea (OSA) is a sleep-related breathing disorder, characterized by disrupted snoring and repetitive upper airway obstructions. Continuous positive airway pressure (CPAP) is considered the therapeutic mainstay for OSA patients. However, CPAP therapy has compliance limitations. An alternative treatment options is maxillomandibular advancement (MMA) surgical procedure. Genial tubercle advancement (GTA) is often performed concomitant with MMA for esthetic purposes. Cone-beam computed tomography (CBCT) provides the ability to visualize the upper airway and perform three-dimensional (3D) reconstructions. The purpose of this study is to evaluate the impact of MMA procedure with or without GTA on oropharyngeal …
Effect Of Shear Bond Strength With Novel Apc™ Flash-Free Brackets And Different Bonding Protocol: An In Vitro Study,
2019
West Virginia University
Effect Of Shear Bond Strength With Novel Apc™ Flash-Free Brackets And Different Bonding Protocol: An In Vitro Study, Carl Bernstein
Graduate Theses, Dissertations, and Problem Reports (ETD)
Background and Objectives: In today’s time, there is an increasingly crowded field of competition vying over a small subset of the population. Now, more than ever it is imperative to compete with efficiency and esthetics. Each step for orthodontic bonding procedures increases the chance for error to occur. However, orthodontic bracket, etchant, sealant, and adhesive material has the ability to improve bond strength and final outcome for the patient and provider. The aim of this study was to determine effective bonding protocols for Advanced Clarity APC™ Flash-Free Brackets and to determine if adhesive remains on enamel or orthodontic bracket after …
Type Of Tooth Movement During En Masse Retraction Of The Maxillary Anterior Teeth Using Labial Versus Lingual Biocreative Therapy In Adults: A Randomized Clinical Trial,
2019
The British University in Egypt
Type Of Tooth Movement During En Masse Retraction Of The Maxillary Anterior Teeth Using Labial Versus Lingual Biocreative Therapy In Adults: A Randomized Clinical Trial, Islam Tarek, Mayse Sadek, Noha Sabet
Dentistry
No abstract provided.
Orthodontic Correction Of Transposed Maxillary Canine And First Premolar In Mixed Dentition,
2019
Teamwork Orthodontic Center, Taipei, Taiwan
Orthodontic Correction Of Transposed Maxillary Canine And First Premolar In Mixed Dentition, Lan-Tien Lin, Yi-Min Liu, Yuen-Yung Tsang
Taiwanese Journal of Orthodontics
Transposition is rare and occurred commonly on maxillary canine and premolar. To extract or not to extract, to correct or not to correct the dental transposition teeth, it’s a tough decision. A 12-year-old boy was referred for orthodontic correction because of bad alignment at upper dentition. His dental age was in late mixed dentition. Both upper deciduous canines were still retained. Left canine was buccally blocked-out, and first premolar was in palatal crossbite with the lower premolars. Panoramic film showed impacted upper right canine and transposed left canine and first premolar. The treatment duration took 3.5 years. The upper left …
To Do Or Not To Do? Slow Orthodontic Extrusion For Implant Site Development In Esthetic Zone At The Anterior Maxilla,
2019
Department of Periodontology, School of Dentistry, College of Medicine, National Taiwan University, Taipei, Taiwan; Departments of Orthodontics, School of Dentistry, College of Medicine, National Taiwan University, Taipei, Taiwan; Divisions of Periodontics and Orthodontics and Dento-facial Orthopedics, Department of Dentistry, National Taiwan University Hospital, Taipei, Taiwan
To Do Or Not To Do? Slow Orthodontic Extrusion For Implant Site Development In Esthetic Zone At The Anterior Maxilla, Hui-Chen Tsai, Chung-Chen Jane Yao, Cheing-Meei Liu
Taiwanese Journal of Orthodontics
Slow orthodontic extrusion (SOE) for implant site development, was introduced in 1991. It has been more than 20 years since this treatment was applied in our clinical practice. In this paper, we investigate surgeon's expectation of SOE for special requirements of immediate implantation by a clinical case. We also review case reports/case series searched from PubMed and inspect the power of evidence of these reports from the integration of data collection, and try to define the value of SOE. If the SOE cannot eliminate at least one surgical procedure, we need to consider the necessity of SOE before implant surgery.
