![]() ![]() Within the limits of this study, the distribution of various calculus types was similar on different parts of the root surface however, calculus was found more frequently on the coronal thirds than on the more apical regions. It is classified according to its relation to the gingival margin as supragingival and subgingival calculus (Table 10.1). In general, it was observed that most of the deposits were of the thin, smooth veneer type on all root surfaces. The coronal thirds of the root surfaces were found to have significantly more calculus deposits than the middle thirds (P <. ![]() Regardless of the morphologic type, calculus deposits were observed at around 30% of proximal root surfaces. The distribution of different morphologic types of subgingival calculus on each division of the mesial and distal proximal root surfaces was evaluated with a magnifier. Introduction The calcified form of dental plaque, otherwise referred to as dental calculus, is not only considered to be ubiquitous across the fossil record, but contains a myriad of genetic, proteomic, metabolomic, and microfossil information related to both the host and the microorganisms therein. Correlation was observed between rate of dental calculus formation and whole saliva flow rate in the Renal Group after a hemodialysis session (r 0.44, p < 0.05). This may occur due to various reasons, including calculus accumulation, dislodged calculus during debridement pushed into the soft tissues, or a foreign body impaction like dental floss or a piece of toothpick. Subgingival calculus present was classified as: 1 = crusty, spiny, or nodular 2 = ledge or ring 3 = thin, smooth veneers 4 = finger- or fernlike 5 = individual calculus islands/spots or 6 = supramarginal upon submarginal deposits. Most periodontal abscesses originate due to the blockage or obstruction of a periodontal pocket. Dental calculus is primarily composed of inorganic components (70 to 90). The proximal root surfaces below the gingival margin were divided into three parts in an apicocoronal direction, and each of these portions was further divided into three parts in a buccolingual direction. Dental calculus is classified by its location on a tooth surface as related. L43.83 Oral manifestations of lichen planus, plaque type. The mean pocket depths and periodontal attachment levels of the extracted teeth were 5.93 +/- 1.51 mm and 7.82 +/- 1.75 mm, respectively. Dental calculus can be defined as a complex mineralised plaque biofilm which is sequentially generated and entraps microbial, dietary, host and ancient debris during spontaneous calcification. 3Application of the International Classification of Diseases to Dentistry and Stomatology. Ninety extracted teeth from 29 chronic periodontitis patients were collected. ![]() To evaluate the distribution of morphologic types of subgingival calculus at different parts of the proximal root surface. ![]()
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