2021年9月12日 · Unusual trifurcation on a maxillary premolar. Three views of a maxillary right first premolar with a normal-looking crown but with three roots: two buccal and one lingual root …

Molariform second premolar is a rare dental anomaly where the second premolar resembles a molar in size and shape. This condition is often linked to macrodontia, a rare enlargement of …

To evaluate the mean dimensions and morphologic characteristics of mandibular premolars that had mesiodistally elongated and faciolingually squeezed tooth shape deviations (MnP-TSD) …

2006年9月1日 · An extreme variation, called here MnP tooth-shape deviation (MnP-TSD), is characterized by a squeezed faciolingual (FL) dimension and an enlarged mesiodistal (MD) …

2015年1月12日 · The dens evaginatus is a developmental anomaly that manifests clinically as an extra cusp appearing on the occlusal surface of premolar teeth between the buccal and lingual …

2013年7月24日 · Tooth agenesis is the most common human dental anomaly.1 The human mandibular second premolar (MnP2) is highly variable developmentally and has been proven …

1976年3月1日 · Further examples are reported of an anomaly of the mandibular second premolar which may best be described by the term ‘molarization’. The aetiology of the condition is …

Gemination, specifically, is identified as a tooth shape anomaly wherein a single tooth germ attempts to divide through invagination, resulting in a large tooth with a bifid crown, typically …

Results: The results indicated a 9.5° decrease in the distal angle and a 13.2° increase in the premolar-molar angle for the unerupted MnP2 in the agenesis sample. This was a highly …

2017年10月12日 · Including the anomaly in the root and canal coding system provides more detailed information on the morphological characteristics of a given tooth, thus allowing proper …