An efficient method towards the synthesis of quinoline fused tricyclic compounds involving an intramolecular 1,3-dipolar nitrile oxide cycloaddition reaction utilizing Baylis-Hillman derivatives in good yields has been described for the first time. A highly functionalized tricyclic framework was created by forming two rings and two adjacent stereocentres through the formation of two N-C bonds, ...

The term Riga-Fede disease has been used to describe chronic traumatic ulceration that occurs on the ventral surface of the tongue by natal and neonatal teeth in infants. It is important to diagnose the lesion and treat it by eliminating the source of trauma. In this case report, the neonatal tooth was extracted and after 2 weeks the lesion was resolved and the baby was feeding well.In addition...

instantly, and the peritoneum being ruptured, a large portion of the small intestine, about two feet long, protruded. She was brought to me almost insensible at 5 p. m. of tliat dav, when, with careful manipulation, I replaced the protruded gut, which was cedematous and distended with gas, but not much discolored. The wound, which was circular, rather constricted, and measured about an inch in ...

The cervical facet joints of 20 cadavers were studied systematically with MR, CT, cryomicrotomy, and histologic sections to determine the anatomic changes that occur with age. Uniform layers of cartilage and subarticular cortical bone characterize the cervical facet joints in cadavers under 20 years of age. Most adult cervical facet joints have only a discolored or microscopically thin layer of...

intraosseous movement of an unerupted tooth across the midline of the jaw is known as dental transmigration. this infrequent event is mostly found in the mandibular canines. there are four new cases of mandibular canine transmigration presented here. the literature on this anomalous phenomenon is also reviewed.

introduction multiple dentigerous cysts are rare and mostly associated with syndromes. case presentation the present case report is unique, as the dentigerous cysts enclosed the lateral incisor, canine, first and second premolars of the mandible and were accompanied by a complex odontoma, instead of first mandibular molar. conclusions multiple unilateral nosyndromic dentigerous cysts with compl...

this report presents a rare case of bi-rooted primary maxillary canines. a 6-year-old girl presented at the department of pediatric dentistry, faculty of dentistry, mashhad university of medical sciences, iran, with the chief complaint of pain in the lower right quadrant of her dentition. radiographic examination revealed bifurcation of primary maxillary canine roots. this report discusses the ...