Must know Facts about Local Anesthetics / LA

This table lists some unique properties of local anesthetic agents.

Properties	Local Anesthetic
Natural local anesthetic agent	Cocaine
Local anesthetic agent with intrinsic vasoconstriction property	Cocaine
LA which is most dilating of all	Procaine

List of Medical Syndromes and their Important Features

1. Developmental Disturbances

Syndrome	Important Features
Parry Romberg's Syndrome	Facial Hemiatrophy
Vander Woude's Syndrome	Pits of lower lip and cleft of palate
Ascher's Syndrome	Acquired double lip + Blepharochalasis + Non toxic thyroid enlargement
Oro Facial Digital Syndrome	Cleft tongue nd clefting of mandibular alveolar process
Median Cleft Face Syndrome	Hypertelorism + Median cleft of premaxilla, palate + Cranium bifidum occultum
Meischer's Syndrome	Cheilitis granulomatosa

Setting time of Dental Materials : Alginate setting time, GIC, ZOE, Impression plaster and Zinc Phosphate Setting Time

The Setting time of some of the dental materials is listed in the table below.

Material	Setting time
Fast setting alginates	1-2 minutes
Normal setting alginates	2.5 - 4 minutes
Alginate (Optimal)	3-4 minutes
Impression plaster	4 minutes

MCQs on Tooth Extraction (Exodontia) and Impactions

# All of the following statements about inhaled tooth fragment are true except:
A. It usually enters in the right bronchus
B. It may cause lung abscess
C. It may cause bronchiectasis
D. It will be coughed out spontaneously, no treatment is necessary

# Rotatory movement is used for the extraction of the :
A. Mandibular canine
B. Maxillary central incisor
C. Maxillary lateral incisor
D. All of the above