البرنامج العلمي

PRECONFERENCE CRASH COURSES

THURSDAY 21 FEBRUARY 2019-JEDDAH

TOPIC

SPEAKER

Critical Thinking for Orthodontic Management of the Orthognathic Surgery Patient

COURSE DESCRIPTION:

Successful orthognathic surgical outcomes are very much dependent on appropriate pre- and post-surgical orthodontic care. In the absence of effective orthodontic strategies and biomechanics, the very best efforts of an oral/maxillofacial surgeon to attain a planned outcome can be undermined. In his presentation, Dr. Tremont will share how critical thinking is required for choosing treatment objectives to achieve goals encompassing facial and smile aesthetics, function, the periodontium and stability. Orthodontic techniques for accomplishing these specific objectives will be illustrated.

LEARNING OBJECTIVES:

● How specific treatment objectives for the position of teeth and jaws impact general goals of facial and smile aesthetics, function, the periodontium, and stability.

● What is the “Universal Law” of how teeth fit together.

● How to critically choose optimal versus compromise objectives.

● What clinical orthodontic techniques are effective for pre- and post-surgical management of the dentition.

Dr. Timothy Tremont

Skeletal Anchorage and Surgery First

Theme: Skeletal Anchorage and Surgery First Session

1- Session  1 (Dr. Sugawara): Skeletal Anchorage System (Part 1)

2-  Session 2  (Dr. Sugawara): Skeletal Anchorage System (Part 2)

3-  Session 3 (Dr. Sugawara): Surgery First

4-  Session 4 (Dr. Ojima) : Surgery First and Aligners.

Dr. Junji Sugawara Dr. Kinji Ojima

Program is subject to changes

 

CONFERENCE SCIENTIFIC SCHEDULE

FRIDAY 22 FEBRUARY 2019-JEDDAH

TOPIC

SPEAKER

Introduction

Chairman of the Conference

Growth potential and stability of early Class III treatment

This presentation will address the stability of early Class III treatment.  The age factor, growth pattern, excessive mandibular and asymmetric mandibular growth that affects the stability of treatment will be discussed.  Long-term treatment records will be presented to illustrate the importance of growth after early orthopedic treatment.

Learning Objectives

Attendees of this lecture will be able to:

  • Identify the factors that affect the stability of early Class III treatment
  • Determine the type of Class III malocclusion that will warrant early treatment
  • Determine if retention is necessary for early Class III treatment

Prof. Peter Ngan

Skeletal anchorage for correction of Cl II and open bites

Dr. Domingo Martín

Acceleration of Orthodontic Tooth Movement: Piezocision Vs Micro-osteoperforation

ABSTRACT:   Various attempts have been made to shorten time necessary for orthodontic treatment. The use of medications, mechanical and physical stimulations, and surgical interventions have attracted considerable scientific interest. Over the years, several surgical techniques have been developed to reduce the overall treatment time. The aim of this prospective clinical study was to compare the effects of two minimally invasive procedures; the first one being piezocision, and the second was micro-osteoperforations, on the rate of orthodontic tooth movement during maxillary canine retraction. The sample consisted of 12 patients exhibiting malocclusion requiring therapeutic extraction of the maxillary premolars, with subsequent retraction of the maxillary canine. One side of the maxillary arch was randomly assigned to receive piezocision, and on the opposite side micro-osteoperforations were performed. Canine retraction was started on both sides 6 months after the extraction of premolars and immediately after the surgical procedures; by using closing coil NiTi spring that applied force of 150 g. Miniscrews were used as anchorage device in both sides. The patients were evaluated every 3 weeks for total follow-up period of 6 weeks. The obtained results showed that the amount of canine distalization on the piezocision side after 3 weeks was1.22±0.15 mm, after 6 weeks of retraction the canine moved distally 2.21±0.3 mm. On the other hand, on micro-osteoperforations side, and after 3 weeks the canine moved distally 0.81±0.24 mm and moved 1.6±0.34 after 6 weeks. The rate of canine retraction was statistically significantly higher on the piezocision side compared to the MOPs side. No significant amounts of anchorage loss or canine rotation were observed in this study.

 

Dr. Aiman Elhadi

Contemporary non-surgical management of the vertical dimensions

Prof. Ono Takashi

The use of corticotomies for the correction of transverse discrepancies

Dr. Domingo Martín

"If Pinnochio was an orthodontic salesman ?"

Dr. Nikhilesh Vaid 

Validation of Three-dimensional and Two-dimensional Airway Imaging for Screening for Sleep Apnea in Pediatric Patients

Introduction: The prevalence of sleep apnea in children ranges from 1.2% to 5.7% and is increasing with the increase in childhood obesity. Polysomnography (PSG) is considered the gold standard in the diagnosis of obstructive sleep apnea (OSA). Timely diagnosis and management of pediatric OSA is critical to prevent progressive associated comorbidities and radiographic airway analysis is a screening tool that can assist in this diagnosis. The aims in this study were: (1) to evaluate and compare between two-dimensional (2D) and three-dimensional (3D) radiographic airway analyses as they relate to the pre-test probability for OSA in pediatric patients, and (2) to develop OSA predictive cut-off values for measurements showing promising results. Materials and Methods: A consecutive series of pediatric patients referred for a PSG had cone beam computed tomography (CBCT) scans taken. The sample was divided into two age groups: age group 1 (7 to 11 years) and age group 2 (12 to 17 years). 3D and 2D measurements were correlated with the apnea-hypopnea index (AHI). Additionally, the receiver operating characteristic (ROC) curve analysis was used for all measurements using moderate (AHI ≥ 5) and severe (AHI ≥ 10) OSA definitions. Based on the results of the correlations and the ROC analysis, sensitivity and specificity were calculated for measurements that were deemed promising in order to propose cut-off values to predict OSA. Results: The total sample included 99 CBCT scans. 3D variables that showed statistical significance included the nasopharyngeal volume (NPV) and the oropharyngeal minimum cross-sectional area (OCSA). In age group 1 (N=59), the severe OSA predictive cut-off value was 1600mm3 for NPV and 70mm2 for OCSA. In age group 2 (N=40), severe OSA predictive cut-off values were 2700mm3 and 75mm2 for NPV and OCSA respectively. 2D variables that showed statistical significance included the retropalatal airway space (RPA), the adenoid – nasopharynx (A/N) ratio, and the posterior nasal spine (PNS) to points ad1 and ad2. Cut-off values were proposed for these 2D variables similar to 3D variables Conclusions: Both 2D and 3D radiographic airway analyses had variables that significantly correlated with AHI. Contrary to findings in adults, the NPV might be of great importance when screening for OSA in children. Additionally, we proposed predictive cut-off values for these 2D and 3D measurements that can assist clinicians in the screening process for OSA in children.

Dr. Ahmed Masoud

Critical Thinking to determine and manage arch   form in the orthognathic surgery patient

COURSE DESCRIPTION:

Successful orthognathic surgical outcomes are very much dependent on appropriate pre- and post-surgical orthodontic care. In the absence of effective orthodontic strategies and biomechanics, the very best efforts of an oral/maxillofacial surgeon to attain a planned outcome can be undermined. In his presentation, Dr. Tremont will share how critical thinking is required for choosing treatment objectives to achieve goals encompassing facial and smile aesthetics, function, the periodontium and stability. Orthodontic techniques for accomplishing these specific objectives will be illustrated.

LEARNING OBJECTIVES:

How specific treatment objectives for the position of teeth and jaws impact general goals of facial and smile aesthetics, function, the periodontium, and stability. What is the “Universal Law” of how teeth fit together. How to critically choose optimal versus compromise objectives. What clinical orthodontic techniques are effective for pre- and post-surgical management of the dentition.

Dr. Timothy Tremont

"Smile Lines - The powder and puff protocol in contemporary orthodontic finishing "

Dr. Nikhilesh Vaid

Facial disharmony in the adolescent & young adult

Prof. Eman Alkofide

Limitations in the maxillary tooth movement: an update of CBCT findings

Prof. Ono Takashi

Program is subject to changes

SATURDAY 23 FEBRUARY 2019-JEDDAH

DAY 2

TOPIC

SPEAKER

Evaluation of the effectiveness of miniplates versus mini-screw anchorage in conjunction with the Forsus Fatigue Resistant Device: A Randomized Controlled Trial

Abstract: Aim: To detect the 3 dimensional skeletal, dental and soft tissue effects of the miniplates and mini-implants anchored Forsus Fatigue Resistant Device (FFRD). Methods: A sample of 62 skeletal Class II growing females with deficient mandibles were randomly allocated into 4 groups; 15 subjects received miniplates with FFRD (FMP group), 15 received FFRD & mini-screws (FMI group), 16 subjects received FFRD (F group) & 16 untreated controls. CBCT images were taken before appliance insertion &after removal. Results and Conclusions: overjet correction occurred in all cases. Significant mandibular lengthening and a slight headgear effect were found in the FMP group. Maxillary dento-alveolar retrusion was most evident in the FMI group. Unfavorable lower incisors proclination &intrusion, which were mostly expressed in the conventional FFRD group, were effectively reduced with the mini implants and eliminated with the miniplates.

Dr. Sherif Elkordy

A Comparison of the Effects of Overbite Reduction on Smile Esthetics.

The purpose of this study was to compare the effects of 2 common methods of overbite reduction on smile esthetics. A prospective clinical trial was designed and pre-treatment and post overbite reduction records of 32 patients treated by either a maxillary incisor intrusion arch (18 patients) or a flat anterior bite plane (14 patients) were compared for changes in lip to tooth show and smile arc. Both groups of patients experienced a reduction in overbite and maxillary incisor display, and maxillary and mandibular incisor proclination during treatment. The center of resistance of the maxillary incisor and the incisal edge were intruded in patients treated with an intrusion arch (p<0.05). Both groups experienced flattening of the smile arc.

Dr. Ahmed Hamdan 

Notes, Tips, and Tricks in Clinical Orthodontic Practice.

What we need to do in our daily Orthodontic practice is to combine the theory knowledge with the clinical procedures in the purpose of reaching our aims with the most efficient Treatment using convenient methods and simplified techniques . Keeping in mind some Notes of basic principles and guidelines is very important to avoid an inaccurate diagnosis and inappropriate therapy , also flowing Tips of innovated methods and using a smart and Tricks is very helpful to overcome the Treatment difficulties and improve our clinical skills.

Dr.  Jihad Albaroudi

Successfully Integrating Today’s Technology into Clinical Orthodontic Practice

The introduction and constant evolution of digital technology make it a challenge to integrate into clinical practice. The added advantages to treatment and practice management make investing in this new technology worthwhile. Dr. Alvetro and her team started their digital journey over 5 years ago and are considered early adopters of today’s technology. In this presentation she will share her experience to insure the success of orthodontic practitioners, shorten their learning curve and increase their efficiency. Objectives: Demonstrate how intra oral scanning can enhance the patient experience and treatment outcome Compare and contrast different 3D print technologies and their use in clinical orthodontic practice Share the benefits and procedures associated with digitally directed bonding Explain the work flow associated with the creation of an inhouse aligner system.

Dr. Lisa Alvetro

Orthodontic, Orthopedic and Orthognathic Approach with SAS

Dr. Junji Sugawara

Clear Aligner Treatment Accelerated by Photobiomodulation

Dr. Kinji Ojima

Orthodontic treatment of borderline class III malocclusion.

Class III malocclusion is characterized by a variable combination of dental and sagittal discrepancies from protrusive mandible, retrusive maxilla, protrusive lower dentition and retrusive upper dentition. Its diagnosis, prognosis, and treatment have always been a challenge for the orthodontists. The variability of clinical forms, the aesthetic impact of these malocclusions and the lack of clinical experience due to their low frequency in our country, make the treatment plan decision more difficult. Two procedures can be considered for non-growing patients: - a combined approach of orthodontics and orthognathic surgery consisting in normalization of skeletal sagittal relationships; - an orthodontic treatment based on dentoalveolar compensations creating a sort of “camouflage” of the skeletal discrepancy. The strategy to camouflage a Class III malocclusion usually involves proclination of the maxillary incisors and retroclination of the mandibular incisors to improve the dental occlusion, it might not correct the underlying skeletal problem or facial profile. The decision is based on clinical examination, cephalometric analysis, and mostly on clinical good sense, and on patient preferences. Some severe cases can be identified as ideal candidates for a surgical treatment whereas some others can be handled with orthodontics alone, with a reasonable expectation of an acceptable result. However, the problem remains for the borderline patients. Theses ones are characterized by moderate skeletal discrepancy that makes the clinician hesitate between the two procedures. My presentation is about borderline patients for whom I decided to choose the orthodontic camouflage option, using self-ligating brackets.

Dr. Yasmin Yacoubi

Modern Approach for the Treatment of Skeletal and Dental Class III Malocclusion.

Abstract: Treatment of Class III is always complicated by the amount of malocclusion, either skeletal, dental or combination of both. There are many methods to be used to resolve the problem, example; Face mask with or without rapid palatal expander, functional appliances, orthodontic camouflage or surgical correction for the skeletal problem. A case report of a complex Skeletal and dental Class III, treated in two phases. Phase 1: modern approach (new design RPE plus reverse pull headgear) and phase

2: Maxillary and mandibular comprehensive pre-adjusted fixed appliance therapy. Treatment results were greatly improved as shown by the PAR and the IOTN indices. The patient and her family were satisfied.

Dr. Adeil Mageet 

The Mystery Of Impacted Teeth: A Poutporri Of Orthodontic PEARLS

With time comes change, and with change comes progress. Unquestionably, the achievements in our specialty have made our professional endeavors such a wonderful experiene. Yes, THE MYSTERY OF IMPACTED TEETH has a lot to do with my passion for orthodontics and academics. This program is a blend of old and new techniques that we expect to share with the objective to trigger a reflection on what we do and teach day in day out. The Potpourri of Orthodontic Clinic Pearls includes dilacerations, impactions and ankylosis. We hope to be able to stir even more the passion within each one and revisit ideas and concepts we execute as clinicians.

Dr. Eustaquio Araujo

Invisalign: Should it be in your treatment arsenal?

Abstract: Since it’s inception in 1997, Invisalign has gone through significant improvements that has rendered it a great aesthetic alternative to fixed appliances. However, to this day, there are Orthodontists in our region that are not taking advantage of Invisalign. During my presentation, I will demonstrate several finished cases where I personally had no option but to use Invisalign and furthermore explain why this tool must be in every Orthodontist’s treatment arsenal.

Dr. Mubarak Alsaeed 

Treatment of anterior open-bite: The orthodontic limits

ABSTRACT: Anterior open-bite is an anomaly in the vertical dimension characterized by a deficiency or absence of the incisal covering. It develops because of the interaction of several hereditary and functional factors (dysfunctional swallowing, parafunctions and oral tics ...). Treatment of anterior open-bite is primarily functional, orthodontic and in severe cases orthosurgical. In this presentation, we will focus on orthodontic treatments by mentioning the limits of this treatment by fixed appliances through showing clinical cases treated in the orthodontic department of the faculty of dentistry of Monastir-Tunisia.

Dr.  Samir Tobji

Effect Of piezoelectric sutural osteotomies on accelerated bone born sutural expansion

ABSTARCT Objective: The present study investigated the effect of piezoelectric sutural ostectomies on accelerated bone-borne sutural expansion. Materials and Methods: Sixteen male New Zealand white rabbits (20 to 24 weeks old) were randomly divided into 4 experimental groups (n = 4): group 1, conventional rapid sutural expansion; group 2, accelerated sutural expansion; group 3, accelerated sutural expansion with continuous ostectomy; and group 4, accelerated sutural expansion with discontinuous ostectomy. All sutural ostectomies were performed using a piezoelectric instrument (Woodpecker DTE, DS-II, Guangxi, China) before expander application with the rabbits under anesthesia. Modified hyrax expanders were placed across the midsagittal sutures of the rabbits and secured with miniscrew implants located bilaterally in the frontal bone. The hyrax expanders were activated 0.5mm/day for 12 days (group 1) or with a 2.5-mminitial expansion, followed by 0.5mm/day for 7 days (groups 2 to 4). After 6 weeks of retention, the bone volume fraction, sutural separation, and new bone formation were evaluated using micro-computed tomography and histomorphometry. Statistical analysis was performed using Kruskal-Wallis and MannWhitney U tests and Spearman’s rho correlation (P < .05). Results: Ranking of the median sutural separation was as follows: group 1, 3.05 mm; group 2, 3.97 mm; group 4, 4.78 mm; and group 3, 5.66 mm. The least and most bone formation were observed in groups 1 (63.63%) and 3 (75.93%), respectively. Spearman’s correlation showed a strong, positive, and significant correlation (r = 0.932; P < .01) between the new sutural bone formation and amount of sutural separation. Conclusions: Piezoelectric sutural ostectomies increased the rate of sutural separation and promoted new sutural bone formation/osteogenesis. Continuous ostectomy gave better results than discontinuous ostectomy.

Dr. Akram Alyessary

Program is subject to changes

SUNDAY 24 FEBRUARY 2019-JEDDAH

DAY 3

TOPIC

SPEAKER

Non-Surgical approach for Class III malocclusion

Orthodontic management of the Class III malocclusion has been a constant challenge to the orthodontic profession and remains a controversial issue among clinicians and researchers. The controversy is real and questions are still to be answered: How much can orthodontics really do? To treat orthodontically or refer to surgery? How to approach it non-surgically? The literature provides enough support that appropriate interventions, at the adequate time, accompanied by a family growth study may very well minimize the Class III to acceptable and stable results without a surgical intervention. When the decision to proceed without a surgical intervention is taken many extraction patterns are commonly employed to help with the camouflaging of the Class III. This lecture will focus on Class III early intervention as well as non-extraction and extraction treatments analyzing pros and cons related to this clinical management of the Class III.

Dr. Eustaquio Araujo

Facial Asymmetry: What are the Limits?

Facial asymmetry can be caused by various factors, and according to its etiology, severity may vary, and therefore treatment can be orthodontic only, or evolve to a surgical treatment. Investigators have tried to classify, characterize and measure asymmetry, but subjective aspects of its perception render the assessment more difficult. The relationship between facial attractiveness and slight facial asymmetries seems relevant for clinicians dealing with dental-facial problems. Nonetheless, the point where facial asymmetry becomes more clearly noticeable is not well defined, proving to be difficult to tell when an asymmetry really starts to become socially apparent. The purpose of this presentation is to describe how facial assymmetry can be currently treated, and to discuss the current knowledge on perception of facial asymmetry and how this should be approached in daily practice. Learning Objectives 1. Understand the psychological importance of facial symmetry. 2. Recognize different modalities of treatments for facial asymmetries according to its etiology. 3. Discuss patients perception of minor facial asymmetry and its impact on daily practice.

Dr. Flavia Artese

Sleep Apnea in the Orthodontic Office

This presentation will show how the orthodontist can help identify and manage OSA in pediatric and adult patients, from using oral appliances, to surgical movement of the jaws, and newest hypoglossal stimulation methods. Breathing difficulties are closely related to the etiology of the malocclusion, and managing the airway not only insures a more stable result, but also provides additional benefits to the orthodontic patient. Dr. Palomo will show recent guidelines and protocols on what the orthodontist needs to do when encountering a patient with sleep disturbances.

Dr. Juan Martin Palomo

Treatment of Class II Malocclusion with Contemporary Fixed Functional Appliances

Lecture Description:  This presentation will address the indications and timing for orthopedic treatment of Class II malocclusions. The age factor, growth pattern, and the severity of the malocclusion affect the treatment outcome when using a fixed functional appliance. Long-term treatment records will be presented to illustrate the stability after early orthopedic treatment.

Learning Objectives; After this lecture, the attendees of this lecture will be able to: Recognize the importance of indications and timing for Class II orthopedic treatment Determine how the age factor, growth pattern and the severity of the malocclusion can affect the treatment outcome when using a fixed functional appliance Identify the factors that affect the stability of early Class II orthopedic treatment

Prof. Peter Ngan 

Predictable Class II Correction and its Positive Effect on Facial Esthetics

he correction of a Class II malocclusion involves treatment decisions for the both the maxilla and the mandible. In this presentation, Dr. Alvetro will explain treatment decisions and demonstrate a predictable method to achieve optimal clinical results when treating Class II malocclusions. This effective and reliable system will focus on incisor position and control as well as stability.

Objectives: Provide clinical cases demonstrating a predictable method of Class II correction Demonstrate the effect of incisor position on treatment outcomes and facial esthetics Learn key factors to decide the extent that maxillary distalization and mandibular advancement are to be used to achieve optimal results

Dr. Lisa Alvetro

Out of the box biomechanics guiding impacted and transposed teeth

Abstract:  It is the duty of every orthodontist to provide effective and efficient treatment to all patients in terms of facial esthetics and occlusal function. To realise these goals, simple mechanics can be used to correct the pathway of Impacted and Transposed teeth. Maxillary canines play an important role in creating good facial and smile esthetics, since they are positioned at the corners of the dental arch, forming the canine eminence. Besides, they support the dentition, contributing to disarticulation during lateral movements in certain persons. Canines are the second most frequently displaced and impacted teeth in the dentition, showing a prevalence of 1 to 4%. Around 85% of these misplacements are palatal, and they can occur even in patients with adequate arch length. The simple mechanics to manage these problems will be discussed. “Out of the box” thinking became the norm to treat certain situations that were not easily correctable previously. This presentation will highlight the use of simplified but efficient biomechanics to solve these problems.

Dr. Khalid Abu Alazm

Growth potential and stability of early Class III treatment

Lecture Description: This presentation will address the stability of early Class III treatment. The age factor, growth pattern, excessive mandibular and asymmetric mandibular growth that affects the stability of treatment will be discussed. Long-term treatment records will be presented to illustrate the importance of growth after early orthopedic treatment.

Learning Objectives: Attendees of this lecture will be able to: Identify the factors that affect the stability of early Class III treatment Determine the type of Class III malocclusion that will warrant early treatment Determine if retention is necessary for early Class III treatment

Prof. Peter Ngan

Criteria for Stability in Open Bite Treatment

Anterior open bite is considered one of the malocclusions of most difficult treatment, especially regarding stability. The literature presents many researches on this subject, but with controversial information. There are disagreements on the definition of open bite, its etiology and types of treatment. Possibly, the lack of consensus on the etiology of the anterior open bite may have led to different types of treatment and can be the explanation for the high level of relapse of this malocclusion. The purpose of this presentation is to review the concepts of anterior open bite focusing on etiology, treatment methods and their stability and present criteria for the diagnosis and treatment of this malocclusion, based in its etiology, with examples of treated cases, stable for over 10 years.

Learning Objectives: 1. Attendees of this lecture will be able to identify the etiological factors for anterior open bite. 2. Attendees of this lecture will be able to compare the frequency open bite relapse according to different treatment modalities. 3. Attendees of this lecture will be able to analyze different tongue positions at rest and its implication on open bite treatment stability.

Dr. Flavia Artese

Periodontal- Orthodontic Inter-relationship; A multidisciplinary treatment approach

Prof. Ali Alghamdi

Modern Methods in Ortho-Perio Multidisciplinary Treatment

This presentation will show sophisticated situations where periodontics enhance and optimize orthodontic outcomes. Cases and literature review focus on periodontally accelerated orthodontics, regeneration, and esthetic surgery for dento-facial harmony.

Dr. Leena Palomo

Program is subject to changes

POSTCONFERENCE CRASH COURSES

SATURDAY 23 FEBRUARY 2019-JEDDAH

TOPIC

SPEAKER

Orthodontic Mini-Implants: Advanced Concepts for Great Results

Synopsis: In this detailed lecture Dr. Baumgaertel will present advanced concepts for successful mini-implant use that are based on the most current evidence and years of clinical experience.During the first part of this course you will learn Dr. Baumgaertel Target Sites which are the sites he uses exclusively to achieve some of the highest success rates in the industry. Subsequently you will learn the evidence based secrets to mini-implant loading that will provide an additional edge and increase your success rates further.The second part of this course will teach you the advanced biomechanical concepts that perfectly complement the Target Sites You will learn everything you need to know about direct and indirect anchorage, including Dr. Baumgaertels well known' Strut and Tie Concept' that was recently published in the AJODO.

Course objectives:

- Identify and use Target Sites successfully

- Properly load mini-implants

- Advantages/disadvantages/indications of different biomechanics

Dr. Sabastian Baumgaertel 

Program is subject to changes

 

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