PMC8758972_01
Initial presentation showing central occlusion.
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Intraoral examination revealed highly abraded tooth surfaces entering the dentin area and a flattened smile line ( Figures 1 and 2).
Initial presentation showing abraded teeth surfaces.
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Intraoral examination revealed highly abraded tooth surfaces entering the dentin area and a flattened smile line ( Figures 1 and 2).
Intermaxillary relation for splint creation (3Shape).
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In this case, the following parameters of the lower jaw position were set: vestibular thickness of the splint at 1 mm; occlusal opening at 2.7 mm; and protrusion at 1 mm ( Figure 3).
Frontal palatal extension of the splint (3Shape).
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This extension also contributed to its stable position ( Figures 4 and 5).
Balanced occlusion by the software 3Shape Splint studio.
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This extension also contributed to its stable position ( Figures 4 and 5).
Silicon test for splint adaptation.
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Occlusal splint in the patient's mouth.
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First occlusal registration (T-Scan Novus).
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The strength of the contacts is determined in color by the help of a scale; weak contacts are colored in blue and strong contacts in red ( Figure 8).
Intermediate occlusal registration (T-Scan Novus).
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After removing the strong contacts, a new record was made ( Figure 9).
Final occlusal registration (T-Scan Novus).
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The values of OT and DT were normal (0.27 s and 0.4 s, respectively) ( Figure 10).
Occlusal registration with thin foil and articulation paper.
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The frontal area was marked with contacts with the articulation paper and foil, which weren't registered by the T-Scan Novus System ( Figure 11).
TMJ in open and closed position.
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Four positions of the joint were made: in open and closed position, with the splint, and with the splint and a 1.5 mm spacer ( Figures 12 and 13).
TMJ condition with the splint, and with the splint and spacer 1.5 mm.
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Four positions of the joint were made: in open and closed position, with the splint, and with the splint and a 1.5 mm spacer ( Figures 12 and 13).