PURPOSE The location of the gingival zenith in a medial-lateral position relative to the vertical tooth axis of the maxillary anterior teeth remains to be clearly defined. In addition, the apex of the free gingival margin of the lateral incisor teeth relative to the gingival zeniths of the adjacent proximal teeth remains undetermined. Therefore, this investigation evaluated two clinical paramet...

The fracture resistance of all-ceramic restorations is one of the major concerns in clinical applications of these materials. Finite element analysis is usually applied in the studies of this area without considering changes in contacts with the antagonists teeth during the occlusal movements. A 3D model of a incisor was created: intact teeth, unrestored teeth; the same teeth restored with full...

introduction an in vitro study was performed to determine the number and the type of root canals of mandibular incisor teeth in an iranian population. methods and materials sixty eight mandibular incisor teeth were immersed in india ink decalcified and cleared. results it was found that 55.9% of the teeth had two canals that in 51.5% of them the canals merged into one canal before exiting the t...

BACKGROUND Molar incisor hypomineralisation is defined as the hypomineralisation of systemic origin of one to four permanent first molars, and frequently associated with affected incisors. Till date, there is no data available on molar incisor hypomineralisation in any parts of Nepal. OBJECTIVE To determine the prevalence and characteristics of Molar incisor hypomineralisation in 7 to 12 year...

BACKGROUND The prophylactic removal of asymptomatic impacted wisdom teeth is defined as the (surgical) removal of wisdom teeth in the absence of local disease. Impacted wisdom teeth may be associated with pathological changes, such as inflammation of the gums around the tooth, root resorption, gum and alveolar bone disease, damage to the adjacent teeth and the development of cysts and tumours. ...

The maxillary lateral incisor is the second most common congenitally absent tooth. There are several treatment options for replacing the missing maxillary lateral incisor, including canine substitution, tooth-supported restoration, or single-tooth implant. Dental implants are an appropriate treatment option for replacing missing maxillary lateral incisor teeth in adolescents when their dental a...

A longitudinal complicated crown-root fracture of an unerupted permanent incisor following trauma to primary teeth is reported. The development of the affected permanent tooth was not disturbed during a follow-up period of six years. Traumatic injuries to primary teeth can be transmitted to the permanent dentition because of the close relationship between the apices of primary teeth and the dev...

BACKGROUND AND AIM: Trauma is a common problem among blindness and visually impaired children. The purpose of the current study was the assessment of the prevalence of traumatic dental injuries and the enamel defects resulted from these injuries among 6-12 years old blind children in comparison to the sighted children in Kerman. METHODS: In this cross-sectional study, sample size was considered...

AIM The aim was to evaluate the relationship of age, sex and lip length to the amount of exposure of maxillary incisors and canine teeth. MATERIALS AND METHODS Two-hundred subjects were enrolled in the study. All subjects were grouped according to the lip length and age. The exposure of maxillary central incisor and canines was measured with flexible millimeter ruler. Teeth exposure beyond th...