TOPIC: IMPRESSIONS IN FIXED PARTIAL DENTURE

🎯 KEY POINTS:

🔸Electrosurgical procedure for impression making is contraindicated in patients with pacemakers.

🔸Epinephrine should be avoided in patients suffering from hypertension or cardiovascular disease, as it increases the heart rate and blood pressure.

🔸Rubber dam should not be used when impression is made with polyvinyl siloxane, as it inhibits the polymerization of the impression material.

🔸Svedopter is usually used in mandibular arch when the patient is seated in nearly upright position.

🔸Automix polyvinyl siloxane is loaded onto the tray and seated on the segment of the arch.

🔸Dento-infusor with 20% of ferric sulphate chemical is commonly used to control the haemorrhage during cervical margin preparation.

🔸Electrosurgery is also called surgical diathermy.

🔸Rotary curettage method is also called gingettage.