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بسم الله الرحمن الرحيم Dr. Kadhim Jawad
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TRAUMA FROM OCCLUSION & SPLINTING
Dr. Kadhim Jawad
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The physiological adaptive capacity of the periodonteum to occlusal force
Dr. Kadhim Jawad
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Response of PD tissue to increased occlusal force
Injury Repair Adaptive or remodeling of the periodonteum Dr. Kadhim Jawad
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increased vascularization. Thickening of the P.d.L.
Remodeling is an effort to create a structural relation ship in which the force is no longer injurious to the tissue & this include: increased vascularization. Thickening of the P.d.L. Angular defect in bone with no pocket formation. mobile teeth. Dr. Kadhim Jawad
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Trauma from occlusion (TFO) Or occlusal trauma(OT)
An injury to the periodonteum produced by occlusion . Dr. Kadhim Jawad
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is an occlusion that produces injury to the periodonteum.
Traumatic occlusion (TO) is an occlusion that produces injury to the periodonteum. Dr. Kadhim Jawad
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Other than its effect on the Periodontal tissues
Excessive occlusal force may result in 1.Functional defects in the muscle of mastication. 2.Painful spasm of the muscles of mastication. 3.Injury to the T.M.J. 4.Tooth wear. Dr. Kadhim Jawad
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Acute occlusal trauma Dr. Kadhim Jawad
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Acute occlusal trauma clinically results in
Tooth pain. Increased tenderness to percussion. Increased tooth mobility. Dr. Kadhim Jawad
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If the cause of such trauma is eliminated healing will take place & if not then
Periodontal injury may be worse & change into necrosis with or without abscess formation. Cementum wear. The condition may become chronic. Dr. Kadhim Jawad
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Chronic occlusal trauma
It is more common ,it occurs due to gradual change in occlusion, caused by Tooth wear Drifting Extrusion of teeth Habits Dr. Kadhim Jawad
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Primary & Secondary O.T Dr. Kadhim Jawad
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Abnormal occlusal force effect on normal periodonteum
Primary O.T. or TFO Abnormal occlusal force effect on normal periodonteum Dr. Kadhim Jawad
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Abnormal or normal occlusal force effect on abnormal periodonteum
secondary O.T. or TFO Abnormal or normal occlusal force effect on abnormal periodonteum Dr. Kadhim Jawad
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The effect of OT on periodontal disease initiation and progression
Dr. Kadhim Jawad
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No effect on Gingiva ( blood supply)
Not cause gingivitis Enhance bone resorption in periodontitis Causes infra bony pocket Delay healing after treatment
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Clinical & Radiograghic sings of O.T. alone CLINICALLY
Tooth pain Tooth tenderness Tooth mobility Dr. Kadhim Jawad
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Radiographically Increase the width of P.d.L. space .
Vertical bone defect. Radiolucent and radio opaque areas in the bone. Root resorption. Dr. Kadhim Jawad
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Pathologic tooth migration
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Periodontal splinting
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current methods of stabilization
The Re-enforced resin splint for posterior teeth (it is used temporarly). Acid-etch resin splint for anterior teeth. The resin –bounded metal splint (Maryland prosthesis). Dr. Kadhim Jawad
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Important note Always remember that splinted teeth need a special instruction on oral hygiene measures to keep the marginal gingival free from irritating material (plaque and calculus) it is achieved by using The interdental brush The super floss especially in the posterior regions Dr. Kadhim Jawad
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Thank You Dr. Kadhim Jawad
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