Hexa helix: modified quad helix appliance to correct anterior and posterior crossbites in mixed dentition.

Among the commonly encountered dental irregularities which constitute developing malocclusion is the crossbite. During primary and mixed dentition phase, the crossbite is seen very often and if left untreated during these phases then a simple problem may be transformed into a more complex problem. Different techniques have been used to correct anterior and posterior crossbites in mixed dentition.

Ectopic eruption - A review and case report.

Ectopic eruption is a disturbance in which the tooth does not follow its usual course. The purpose of this manuscript is to provide a brief review regarding the incidence, etiology, classification and different management techniques used for correcting ectopically erupting permanent first molar. The following manuscript further presents a case report for correction of ectopically erupting mandibular left permanent f irst molar by using a simple and effective appliance by the author.