Space Holders: When, Why, and How to Use Them

Description Additional Information Why, when, and above all… how? Understand the biological, diagnostic, and technical principles of space maintenance following premature loss of primary teeth, and master the clinical placement of space maintainers. Understand the importance of space maintenance in occlusal guidance and the prevention of malocclusions. Know the causes of early tooth loss and their consequences. Identify decision-making factors and perform clinical and radiographic analysis. Select the appropriate type of space maintainer (fixed: band, crown, lingual arch, Nance arch, distal shoe; removable) Master the fabrication and clinical adjustment of space maintainers From theory to fabrication—fabrication of a band-loop and crown-loop space maintainer on a model, adjustment, simulation of clinical cementation, and hands-on practice with the EZ Space Maintainer. Pediatric Dentist, ULB Pediatric Dentistry Doctor of Dental Science — ULB Director of the Pediatric Dentistry Certificate Program — ULB Associate Professor (Tours, France; FMD-USJ, Lebanon) Pediatric Dentistry & Prevention Doctor of Dental Surgery — FMD-USJ CES A: Dental Materials Technology — Paris VII, France CES B: Pediatric Dentistry and Prevention — Paris VII, France Visiting Professor — McGill University, Canada Introduction to the Topic and Objectives Importance of space maintenance in occlusal guidance, arch harmony, and the prevention of malocclusions Definition of interception and prevention Etiologies of early tooth loss: caries, trauma, dental anomalies Local, locoregional, and systemic consequences of premature tooth loss Decision-making factors: age, root development, motivation, general health Clinical and radiographic analysis Presentation of retainer types: fixed (band, crown, lingual arch, Nance arch, distal shoe) and removable Selection of the retainer type based on the case Fabrication of a band-loop retainer and a crown-loop retainer on a model Adjustment and verification of the extension arm Simulation of clinical cementation Hands-on: EZ Space Maintainer Bilateral retainers: selection of orthodontic bands for the lab to prepare the lingual arch Presentation of removable retainers: advantages, limitations, hygiene, and patient cooperation Interactive discussion on follow-up and maintenance, summary Member: €450 Non-member: €550 February 6, 2027 9:00 AM – 5:30 PM (function(){ var root = document.getElementById('dz-course-2027'); if(!root) return; var reduced = window.matchMedia('(prefers-reduced-motion: reduce)').matches; // Scroll reveal var targets = root.querySelectorAll('.dz-reveal'); if('IntersectionObserver' in window && !reduced){ var io = new IntersectionObserver(function(entries){ entries.forEach(function(e){ if(e.isIntersecting){ e.target.classList.add('is-visible'); io.unobserve(e.target); } }); }, {threshold:0.15}); targets.forEach(function(t){ io.observe(t); }); } else { targets.forEach(function(t){ t.classList.add('is-visible'); }); } // Light parallax on hero var heroImg = root.querySelector('.dz-hero-img'); var hero = root.querySelector('.dz-hero'); if (heroImg && hero && !reduced) { var updateParallax = function() { var r = hero.getBoundingClientRect(); if (r.bottom > 0 && r.top < window.innerHeight) { var offset = Math.max(-70, Math.min(70, r.top * 0.15)); // more pronounced movement, allowed by the vertical buffer of the 2000x2000 square covers heroImg.style.transform = 'translateY(' + offset + 'px)'; } }; updateParallax(); // Correct position upon loading, without waiting for a scroll event window.addEventListener('scroll', updateParallax, {passive:true}); } // Accordion window.dzToggleProg = function(headEl){ var item = headEl.closest('.dz-prog-item'); var body = item.querySelector('.dz-prog-body'); var isOpen = item.classList.contains('is-open'); // close siblings root.querySelectorAll('.dz-prog-item.is-open').forEach(function(el){ if(el !== item){ el.classList.remove('is-open'); el.querySelector('.dz-prog-body').style.maxHeight = null; } }); if(isOpen){ item.classList.remove('is-open'); body.style.maxHeight = null; } else { item.classList.add('is-open'); body.style.maxHeight = body.scrollHeight + 'px'; } }; // initialize open state root.querySelectorAll('.dz-prog-item.is-open .dz-prog-body').forEach(function(b){ b.style.maxHeight = b.scrollHeight + 'px'; }); })(); 5 Prof. Daou Maha, Dr. Vanhée Tania, Brussels

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