![]() ![]() The tray has a 3 to 4 mm gap between the inner and outer sides of the arch and alveolar bone to accommodate the impression material. Place the tray in the patient's mouth and check the fit of the tray. Instruct the patient to practice the edge-finishing action required to take the impression.Ī suitable dentition impression tray is selected according to the shape, length, width and height of the patient's dentition. Let the patient relax, don't be nervous, and keep the body and head in a stable position during the impression. The patient's body and head position should be kept stable and comfortable during the impression process.īefore taking the impression, the surgeon should make necessary communication with the patient to inform the patient about the operation of the impression and the possible discomfort. According to the posture or sitting posture of the operator when taking the impression, the height of the treatment chair is adjusted, so that the dentition elevation plane is slightly higher than the elbow of the operator, so that the operator can operate. The surgeon can stand or sit in the right front or right rear of the patient while taking the impression. By adjusting the angle of inclination of the chair backrest and the headrest, the patient prepares the upper or lower jaw of the impression to be parallel to the horizontal plane. The patient sits against the chair and the head rests on the headrest. First, preparation before taking the impression
0 Comments
Leave a Reply. |
AuthorWrite something about yourself. No need to be fancy, just an overview. ArchivesCategories |