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<p>Why static bite records are not enough for complex dental cases</p>
</h1><div class="uk-panel uk-text-lead uk-margin uk-width-2xlarge uk-margin-auto uk-text-center"><p>Static bite records capture a single mandibular position, recorded at a precise moment in time. This approach works well in many straightforward situations.</p>
<p>However, complex dental cases behave very differently. They are dynamic by nature, and this is where the limitations of static records become evident.</p>
<p>A static record tells us where the mandible is at one moment. It does not tell us how it moves nor how it functions during daily activities such as chewing or speaking.</p></div>
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<div style="text-align: center;">THE LIMITATIONS OF STATIC RECORDS</div>
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<div class="uk-panel uk-text-lead uk-margin uk-width-2xlarge uk-margin-auto uk-text-center"><p>The patient presented with an esthetic concern associated with generalized dental wear.<br />At first glance, the static bite record appeared acceptable, with contacts that seemed stable and coherent.</p>
<p>But as it often happens in more complex cases, the static record only described a position. It did not reflect the patient’s functional reality.</p>
<p>Static bite records can be sufficient in relatively simple clinical situations, such as:</p>
<ul>
<li>single restorations</li>
<li>cases with limited occlusal impact</li>
</ul>
<p>The situation changes significantly when the treatment involves greater complexity, including:</p>
<ul>
<li>multiple teeth</li>
<li>changes in vertical dimension</li>
<li>muscular adaptation</li>
<li>neuromuscular coordination</li>
</ul>
<p>These parameters cannot be properly assessed from a single static position.</p></div>
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<div style="text-align: center;">WHY STATIC BITE RECORDS FAIL IN COMPLEX CASES</div>
</h1><div class="uk-panel uk-text-lead uk-margin uk-width-2xlarge uk-margin-auto uk-text-center"><p>Static intraoral scans and digital occlusal visualizations may suggest a plausible occlusion during the design phase.<br />However, they do not capture key functional elements, such as:</p>
<ul>
<li>opening and closing paths</li>
<li>lateral and protrusive movements</li>
<li>chewing patterns</li>
<li>movements related to speech</li>
</ul>
<p>A static bite record captures a moment. Function, on the other hand, unfolds over time.</p>
<p>In complex cases, this missing information often creates a false sense of security during treatment planning.</p></div>
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<p>Clinical consequences of missing dynamic data</p>
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</h1><div class="uk-panel uk-text-lead uk-margin uk-width-2xlarge uk-margin-auto uk-text-center"><p>In daily practice, occlusal problems in complex cases rarely appear during the digital design phase. They tend to emerge after delivery, once the patient starts using the restorations in real-life conditions.</p>
<p>Common consequences include:</p>
<ul>
<li>extensive occlusal adjustments at delivery</li>
<li>patient discomfort</li>
<li>functional instability over time</li>
<li>prosthetic remakes</li>
</ul>
<p>In other words, many occlusal issues are not design problems, they are functional problems.</p></div>
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<p>From static position to functional movement</p>
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</h1><div class="uk-panel uk-text-lead uk-margin uk-width-2xlarge uk-margin-auto uk-text-center"><p>Improving predictability in complex dental cases requires a shift in perspective.<br />Rather than focusing solely on static positions, clinicians need to incorporate functional movement into their diagnostic and planning process.</p>
<p>This approach makes it possible to evaluate function before treatment delivery, instead of correcting occlusal issues afterward.</p></div>
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<p>The role of MODJAW in complex cases</p>
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</h1><div class="uk-panel uk-text-lead uk-margin uk-width-2xlarge uk-margin-auto uk-text-center"><p>MODJAW is a jaw motion capture system designed to record real-time mandibular movement and integrate functional data into digital dentistry workflows.</p>
<p>In this case, dynamic motion analysis revealed findings that could not have been anticipated from static records alone.</p></div>
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<p style="text-align: left;"><strong>MIP evaluation</strong><br />During the opening–closing movement, the patient did not return to the MIP captured by the intra-oral scan.<br />This phenomenon is relatively common: a <em>second occlusion</em> can often be observed in patients who were scanned in a static position but function differently in daily life.</p></div>
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<iframe src="https://www.youtube.com/embed/YwPNh-6yFAc?disablekb=1" allowfullscreen loading="lazy" class="uk-responsive-width el-image" style="aspect-ratio: 533 / 300" width="533" height="300" referrerpolicy="strict-origin-when-cross-origin"></iframe>
</div><div class="uk-panel uk-text-lead uk-margin"><p style="text-align: center;"><em data-start="2185" data-end="2243">Notice the lack of return to MIP during opening/closing.</em></p></div>
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<p style="text-align: left;"><strong>Excessive motion</strong></p>
<p style="text-align: left;">During protrusive movement, mandibular motion extended well beyond what static records suggested. This motion reveals functional guidance patterns that could not be anticipated from static data alone.</p>
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</div><div class="uk-panel uk-text-lead uk-margin"><p style="text-align: center;">Notice the e<em data-start="2271" data-end="2337">xcessive guidance during protrusive movement</em></p></div>
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<div class="uk-panel uk-text-lead uk-margin uk-width-xlarge uk-margin-auto uk-text-justify"><p style="text-align: left;"><strong>Vertical Dimension evaluation</strong></p>
<p>The patient’s esthetic project (SmileCloud, Smile Creator, Smilefy, etc.), was imported and combined with dynamic motion data.<br />This allowed the practitioner and the laboratory to virtually test and adjust the treatment outcome without the patient being in the chair.</p>
<p>It was also possible to evaluate whether the vertical dimension should be maintained or modified. If required, adjustments could be performed virtually, in just a few clicks, based on the patient’smovements, without the need for a second scan.</p>
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<p>Digital transfer to the dental laboratory</p>
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</h1><div class="uk-panel uk-text-lead uk-margin uk-width-2xlarge uk-margin-auto uk-text-center"><p>Both static and dynamic patient data were transferred digitally to the dental laboratory.</p>
<p>The dental technician was able to:</p>
<ul>
<li>open the files directly in CAD/CAM software</li>
<li>design restorations based on real mandibular movement</li>
<li>identify potential interferences at an early stage</li>
</ul>
<p>This workflow allowed virtual adjustments to be made in advance and helped reduce chairside occlusal corrections after delivery.</p></div>
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<p>What motion adds compared to IOS scans alone</p>
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</h1><div class="uk-panel uk-text-lead uk-margin-remove-top uk-width-2xlarge uk-margin-auto uk-text-justify" id="page#0"><p>Compared to static intraoral scans, motion data provides several practical advantages:</p>
<ul>
<li><strong>Patient communication</strong><br />Visualizing function helps patients better understand treatment decisions.</li>
<li><strong>Clinical decision-making</strong><br />Vertical dimension can be evaluated using the patient’s natural movement, without rescanning.</li>
<li><strong>Risk reduction</strong><br />Functional interferences can be identified earlier in the workflow.</li>
<li><strong>Lab communication</strong><br />Motion-based parameters support more predictable occlusal design and posterior morphology.</li>
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<p>Key Takeaway</p>
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</h1><div class="uk-panel uk-text-lead uk-margin-remove-top uk-width-2xlarge uk-margin-auto uk-text-justify" id="page#1"><p>Static bite records capture a position.<br />Complex dental cases require an understanding of movement.</p>
<p>The more complex the case, the more function matters.</p></div>
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