Tag: thoracic imaging

The image displays an extracted premolar exhibiting advanced carious lesions that have significantly compromised the tooth structure. This severe form of dental decay demonstrates the progressive nature of caries, which begins with demineralization of enamel and can ultimately lead to extensive destruction of dentinal tissue and potential pulpal involvement.

This image depicts the bottom teeth of a seven-year-old child showing the natural progression from primary (deciduous) teeth to permanent dentition. The photograph clearly illustrates three distinct stages occurring simultaneously: primary teeth still in position, a vacant space where a primary tooth has been naturally exfoliated, and an emerging permanent tooth.

The Universal Numbering System, also known as the American System, is a standardized method for identifying and referring to teeth in dental practice across the United States. This system assigns numbers 1-32 to each adult tooth, starting from the upper right third molar (wisdom tooth) and continuing clockwise around the dental arches. Unlike the FDI World Dental Federation notation used in most other countries, the Universal Numbering System provides a straightforward sequential approach that helps dental professionals communicate effectively about specific teeth during examinations, procedures, and patient records.

The photograph reveals extensive dental pathology characterized by multiple missing teeth in both the maxillary (upper) and mandibular (lower) arches, with remaining teeth showing clear signs of mobility, displacement, and potential decay.