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DENTAL IMPRESSION SYRINGE
What is impression syringe?
For fast and exact application of light bodied impression materials. Tip can be angled and cut to provide larger orifice.
Features:
Curved Tip: works well to get into small spaces, can reach places where your floss and toothbrush can’t reach
Measurements Scale: Transparent body with measurement scale, you can see the capacity of liquid inside, precise control the dose of the liquid.
Sealed Package: The Syringe is made of polypropylene plastic, safe and harmless, and packaged sealed.
Wide Usage: Wash teeth after oral surgery, handy tool for irrigating cuts and abrasions when you are traveling, also great for glue filling when doing craft work, or feeding medicine for your pets.
APPLICATION:
The accuracy and suitability of the cervical margin in total crown restoration are the keys to success. For the anterior crown restoration, to meet the requirements of aesthetic appearance, it is designed as the subgingival edge. For the teeth with a deep subgingival edge and requiring full crown restoration, it is more difficult to obtain the impression. To obtain an accurate cervical margin of teeth with a subgingival edge, In clinical practice, a small amount of alginate impression material is sometimes used to smear it around the prepared tooth to get the impression, or a special AGAR impression material syringe is used to inject AGAR impression material and alginate impression material is added to the cervical margin of the tooth to get the impression.
The qualified rate of alginate impression material injected with an ordinary syringe and AGAR impression material injected with a special syringe was more than 80%, while the qualified rate of alginate impression material directly coated around teeth was only about 40%.
Methods: Full crown design for the lower edge of the gum, using a syringe injection of alginate impression material to get inside the lower edge of the gum impression, should be used with this method of syringe needlepoint 7, tip obtuse, before use to avoid scratches when using gums, tooth preparation, and gum line row gum after modulation alginate impression material, impression materials should be thinner than usual at this time, the flow performance is better, After the preparation, a small amount of impression material was put into the syringe syringe syringe, and the impression material in the syringe was quickly injected into the gingival groove at the edge of the crown of the prepared tooth. Then, the tray containing alginate impression material was put into the oral cavity to take the impression. After the impression was taken, plaster was poured to complete the working model.
Design for the lower edge of the gum full crown restoration, such as transparent when you pick up the impression from the bad, will lead to neck edge fuzzy model, which might affect the exact location on the edge of the restoration, this certainly will cause for different degrees of damage gums, eventually leading to inflammatory reaction and gums, such a complete restoration edge location may be too long, too thick or too short, too long easy compression damage gums, Too short will lead to secondary caries, and too thick edges will form suspensions and lead to gingivitis. With the extension of time, the damage of the suspensory process to the periodontal tissue is gradually aggravated. To obtain a good edge and meet the aesthetic requirements of the prosthesis, it is necessary to have an accurate and clear impression, which requires that the cervical margin must be in place when obtaining the mold.
Health is supported by alveolar bone, teeth, and periodontal membrane and the gingival tissue at the top of a whole, from the back of alveolar crest to gum edge of attached gingiva, attached epithelium and free gingiva, including free gum for the gum between the teeth and shallow groove, there exists a small amount of elastic fibrous tissue free gingiva, the role is to make the gums to keep a certain position, and prevent it’s elongated, when the external force, A healthy free gingival margin can be pushed a small distance away from the tooth, allowing for integrity and clarity of the shoulder during impression taking.
Application impression syringe of alginate impression material taking the impression, impression materials can be fully put into deeper directly under the gum around the edge of the prepared tooth, avoids using alginate impression material directly take the model cannot go deep into the deep impression material edges of the lower edge of the gum to get the impression of too short, too short and make the restoration margins and occurrence crack of the tooth edge, but also directly with alginate impression plaster model, When the impression paste reaches the deep subgingival edge, there is almost no gingival force, which makes the shoulder hair of the prepared tooth and the gingival boundary indistinct, thus leading to the inaccurate edge of the restoration. The edge line can be displayed by injecting alginate impression material into the edge of the prepared tooth with a syringe.
Impression syringe alginate impression material to take the impression is easy to operate, save time, using this technology can also be used to use a special syringe injection AGAR impression material to take the exact degree.