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Difference between revisions of "Transverse Hinge Axis"
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{{ArtBy| | autore = Gianni Frisardi | autore2 = Flavio Frisardi }} | {{ArtBy| | autore = Gianni Frisardi | autore2 = Flavio Frisardi }} | ||
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The RDC excluded kinematic replicators from TMD diagnostics due to their low clinical validity. However, this chapter argues that these tools retain value in understanding mandibular kinematics, particularly in capturing the rototranslational dynamics around <math>_tHA</math>. The discussion introduces the paraocclusal clutch, which avoids vertical interferences, contrasting it with the occlusal clutch, which can lead to occlusal recording errors. Simulations demonstrate how tHA mislocalization impacts dental occlusion, particularly when inclined dental cusps exacerbate occlusal discrepancies. | The RDC excluded kinematic replicators from TMD diagnostics due to their low clinical validity. However, this chapter argues that these tools retain value in understanding mandibular kinematics, particularly in capturing the rototranslational dynamics around <math>_tHA</math>. The discussion introduces the paraocclusal clutch, which avoids vertical interferences, contrasting it with the occlusal clutch, which can lead to occlusal recording errors. Simulations demonstrate how tHA mislocalization impacts dental occlusion, particularly when inclined dental cusps exacerbate occlusal discrepancies. | ||
'''Key Findings from Simulations''' | '''Key Findings from Simulations:''' Impact of Mislocalized tHA: | ||
Impact of Mislocalized tHA: | |||
With flat dental cusps and a mandibular opening of 0 mm, cuspal errors are negligible. | With flat dental cusps and a mandibular opening of 0 mm, cuspal errors are negligible. | ||
With a 3 mm mandibular opening, errors range from 0 mm (exact localization) to 1 mm (mislocalization of 10 mm). | With a 3 mm mandibular opening, errors range from 0 mm (exact localization) to 1 mm (mislocalization of 10 mm). | ||
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Significance of Rototranslational Dynamics: | Significance of Rototranslational Dynamics: | ||
Misrepresentations of mandibular dynamics result in occlusal discrepancies that compromise masticatory efficiency and patient comfort. | Misrepresentations of mandibular dynamics result in occlusal discrepancies that compromise masticatory efficiency and patient comfort. | ||
The RDC's decision to exclude kinematic tools like the Sirognathograph is challenged by evidence showing their importance in capturing mandibular dynamics. Accurate determination of <math>_tHA</math> is essential for precise occlusal alignments, particularly in prosthetic rehabilitation. The simulations demonstrate that neglecting angular dynamics leads to significant errors, affecting both diagnostic accuracy and treatment outcomes. | '''Conclusions:''' The RDC's decision to exclude kinematic tools like the Sirognathograph is challenged by evidence showing their importance in capturing mandibular dynamics. Accurate determination of <math>_tHA</math> is essential for precise occlusal alignments, particularly in prosthetic rehabilitation. The simulations demonstrate that neglecting angular dynamics leads to significant errors, affecting both diagnostic accuracy and treatment outcomes. | ||
This chapter underscores the need for advanced kinematic tools to enhance clinical practice. By integrating these tools, clinicians can ensure more accurate diagnostics and superior prosthetic treatments, minimizing the risk of occlusal errors and improving patient outcomes. The discussion sets the stage for exploring other critical axes, such as the vertical (<math>_aHA</math>) and sagittal (<math>_cHA</math>), in subsequent chapters. | This chapter underscores the need for advanced kinematic tools to enhance clinical practice. By integrating these tools, clinicians can ensure more accurate diagnostics and superior prosthetic treatments, minimizing the risk of occlusal errors and improving patient outcomes. The discussion sets the stage for exploring other critical axes, such as the vertical (<math>_aHA</math>) and sagittal (<math>_cHA</math>), in subsequent chapters. | ||
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