occlusal examination and occlusal trauma index

1. Check the occlusion
Occlusal examination of patients include: (1) the middle jaw, between the middle jaw, jaw type, the upper and lower dental midline, overlying coverage and other jaw. (2) crowded teeth, twist, shift, partial occlusion disorders. (3) early contact and occlusal interference. Including protrusion posterior and lateral contact with non-working side contacts. (4) The doctor will forefinger on the patient buccal maxillary teeth, so that patients do occlusal movements, tremor teeth, also known as functional tooth mobility.
2. Occlusal trauma to testify
Common to testify include: persistent occlusion discomfort, loose teeth, shift, when the teeth bite tremor and X ray film wedge gap widened periodontal ligament and bone hard board blurred or disappeared. In general, no single unique performance occlusal trauma. dental instruments Currently many scholars believe that the continued increase in tooth mobility and occlusal tooth tremor when checking out a relatively reliable and common result.
Periodontal occlusal trauma index (trauma from occlusion index, TOI): Functional increased tooth mobility + gap widened periodontal ligament.
Periodontal adaptation index (adaptability index, AI): tooth surface wear + bone hard board has widened.
TOI positively correlated with the extent of periodontal destruction, AI negatively correlated with the extent of periodontal destruction.