WMIA congress

Dr. Korrodi Ritto (Portugal) 
About micro implants:  what you know, what you probably don't know, what you never heard. 

Different approaches to skeletal anchorage with prosthetic implants, onplants, palatal implants, retromoloar implants, micro implants and mini-anchor plates have been widely published. The need for skeletal anchorage has incrementally increased with the larger numbers of adult and endentulous patients in our profession.  Today, micro implants are routinely used in orthodontics for many different purposes. New research and development in many dental arenas may increase the future usage of micro implant technology. Additionally, there are new discoveries not yet published in dental and orthodontic journals and I will discuss many of these options today. 
 

Dr. Peter Buschang (USA)
Using miniscrew implants to control vertical growth and orthopedically correct mandibular deficient, hyperdivergent patients.

Due to their extensive problem list and abnormal growth patterns, hyperdivergent, retrognathic, patients are among the most difficult to treat. Current orthodontic treatment approaches, while correcting the occlusal problems, do not adequately address the patients’ skeletal and soft-tissue treatment objectives.  Today’s lecture provides the theoretic background necessary to understand how these problems develop. Clinical evidence supporting a new treatment approach will be presented. The results of ongoing and recently completed case-control clinical studies will show that miniscrew implants provide a compliance-free approach for intruding the teeth and rotating the mandible forward, advancing the chin, and improving the facial profile. 

Dr. Heon Jae Cho (USA)
Using micro implants to treat challenging maloclusions.  

It is well known that micro implants can be used to provide stationary anchorage during orthodontic treatment in cases such as Bi-Maxillary protrusion and Class II extraction Because micro implants serve as an extra-dental anchorage source, it is expected to result in minimal side effects to other parts of the dentition. Therefore, it is now possible for a clinician to propose a less compromised treatment plan in mechanically challenging malocclusions.  Micro implants provide especially useful anchorage in the treatment of more challenging malocclusions. These malocclusions would require either surgery or multiple prosthetic restorations if micro implants were not available.  In this presentation, I will share my experience of using micro implant anchorage in the treatment of challenging malocclusions. 
 

Dr. Michael Chafee (USA)
Controlling vertical dimension in high angle patients utilizing skeletal anchorage. 

This clinically oriented presentation will demonstrate the potential power that microscrew implants can have in controlling the vertical dimension in high-angle growing and non-growing patients, treated non-extraction patients, and patients requiring premolar extraction. Predictable anterior open bite closure using segmental mechanics in order to protect the vertical position of the upper incisor will also be presented, as well as several other practical skeletal anchorage treatment modalities that require relatively simple mechanics. 
  

Dr. Hyo-Sang Park (Korea)
Minor tooth movement with micro implants. 

There have been many studies elucidating the role and efficacy of traditional dental implants in orthodontic anchorage.  However, due to their bulkiness, dental implants could not be placed into the dental arch, but only in the retromolar or mid-palatal areas. These space limitations narrowed the implants’ available applications. The minimal anatomic limitations, small size for placement between roots, low cost, easy placement, and ease of removal, make micro implants a very practical option. By expanding the number of placement locations, the clinical application of micro implants can be expanded to not only specific indication, but to all daily treatments.  The potential for using micro implants in pre-prosthetic treatment is beyond expectation. In conventional pre-prosthetic orthodontic treatment, clinicians needed to connect as many teeth as possible to minimize adverse side effects on the reactive unit. This was an inconvenience to both orthodontists and patients.  However, with micro implants, all these side effects can be prevented. Therefore, micro implants can provide less bonding, almost no adverse movement on the reactive unit, and also provide greater accuracy of tooth movement. I will present cases studies showing the advantages of micro implants in pre-prosthetic treatment, in addition to treatment mechanics for molar intrusion, molar uprighting, molar protraction, forced eruption and management of the impacted canines.  
 

Dr. Bilal Koleilat (Lebanon)
Defying Newton's Third Law.  

For almost a century, orthodontists around the globe struggled with Newton’s Third Law…for every action,  there is an equal and opposite reaction. In order to achieve optimal tooth movement, an endless number of intraoral and extraoral appliances were invented to eliminate or minimize unwanted side effects.  However, total control over tooth movement did not materialize until the concept of skeletal anchorage was implemented through the use of small titanium alloy screws that can be placed virtually anywhere in the dental arch. The goal of this presentation is to illustrate through various clinical cases how the use of micro implants expanded the limits of tooth movement, facilitated the treatment of certain malocclusions previously considered non-manageable orthodontically, and defined new rules for the concept of modern anchorage. I will demonstrate the reasons why micro implants are considered lifesavers to every Orthodontist. 
 

HANDS-ON TRAINING:  Installing micro implants.
  
Training instructors from Korea include: 
Dr. Hee-Moon Kyung  •  Dr. Seong-Min Bae  •  Dr. Jae-Hyun Sung