نتایج جستجو برای: immature incisor
تعداد نتایج: 36676 فیلتر نتایج به سال:
Molar-incisor malformation (MIM) or molar root-incisor (MRIM) is a dental anomaly that affects teeth and maxillary central incisors. Even though, the etiology not exactly known, it has been reported several factors such as staphylococcal infection in neonatal period, neurological diseases meningitis hydrocephalus, ongoing medications, infectious premature delivery were effective. In this case r...
To evaluate the torque expression of right permanent maxillary central incisor with varying bracket positions and to compare same tooth different crown-root angulations. Finite Element Models Maxillary Central Incisor were used for simulation various angles. Three FEM models a angles (170˚,175˚,180˚, 165°) constructed heights subjected 30° labial root resultant expressions evaluated. The model ...
Dental trauma is a challenge for dental integrity and can lead to pulp necrosis. The clinical case reports the diagnosis of a maxillary right central incisor traumatized and its multidisciplinary treatment. Calcium hydroxide material was used to perform the processing apexification. An apical surgery was carried out to remove the apical periodontitis and to return the aesthetics to the patient;...
Implant restorations have become a primary treatment option for the replacement of congenitally missing lateral incisors. The central incisor and canine often erupt in less than optimal positions adjacent to the edentulous lateral incisor space, and therefore preprosthetic orthodontic treatment is frequently required. Derotation of the central incisor and canine, space closure and correction of...
A ten year old boy came with a chief complaint of unerupted permanent maxillary right central incisor. Deciduous right central and lateral incisors were retained. Radiographic examination revealed an inverted and dilacerated mesiodens with the root bent over the incisal surface of the right central incisor preventing its eruption. An occlusal radiograph and radiographs using shift cone techniqu...
Failure of eruption of primary teeth can be considered rare, especially in maxillary anterior teeth. The problem can be either mechanical obstruction of eruption or a failure of the eruption mechanism. This case report presents failure of eruption of the maxillary right deciduous central incisor in a 4-year-old girl. The unerupted primary tooth was removed surgically. The histological finding r...
Permanent mandibular central incisor is rarely affected by tooth shape anomalies of crown and root. Co-occurrence of multiple anomalies in a permanent mandibular central incisor is extremely rare. This paper reports an unusual concurrent combination of multiple dental anomalies affecting both the crown and root of a permanent mandibular left central incisor - talon cusp, dens invaginatus, short...
The present case report describes the interdisciplinary management of a patient with increased overbite and overjet, Angle’s Class Ⅰ malocclusion, bilateral agenesis mandibular central incisors microdontia upper lateral incisors. 18-year-old female had convex profile, maxillary dentoalveolar protrusion mild spacing in anterior region. Therefore, treatment consisted fixed appliance therapy, foll...
the anatomic anomalies detection is important for an attentive clinician. asuccessful treatment of an endodontically involved tooth should make itfunctional and aesthetically acceptable for the patient. the following articlepresented a case of gemination and the endodontic, prosthetic and periodontaltreatments which were done to keep a complicated tooth in aesthetic zone
o bjectives: caries and dental trauma are common reasons for primary anterior teeth restorations in children. this non-control clinical trial was designed to eva- luate crown restorations reinforced with a sectioned file post for the restoration of severely damaged primary maxillary incisors. materials and methods: thirty-eight primary maxillary incisors of 12 children (3-5 years old) with earl...
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