Evaluation of the buccal vestibule-palatal diffusion of 4% articaine hydrochloride in impacted maxillary third molar extractions.

Aims: The aim of this study was to evaluate the vestibular-palatal diffusion of 4% Articaine with epinephrine 1:100,000 and 1:200,000, in impacted maxillary third molar extractions, without palatal injection.

Materials And Method: Two hundred teeth were selected from patients age 15 to 46. Patients were divided into 4 groups: 1A, were anesthetized with 4% articaine 1:100,000 and the surgery was initiated 5 minutes following anesthesia.

Odontogenic Keratocyst of mandible.

The Odontogenic Keratocyst is a developmental odontogenic cyst and deserves special attention because of its peculiar histopathologic features and biologic behavior. It is believed that the Odontogenic Keratocyst arises from the proliferation of remnants of dental lamina. It is usually asymptomatic, and solitary lesion, however, it may be associated with Nevoid Basal Cell Carcinoma Syndrome.