ENDODONTIC FILES MANUAL
ENDODONTIC FILES SERIES

1(a), the poor performance of root canal files can cause several problems, such as apical inflammation, incorrect preparation, and instrument separation. However, from the clinical use, the performance of root canal files does not meet the requirements of required mechanical preparation. The quality of mechanical preparation directly affects the success rate of root canal therapy. Therefore, to solve the current problem of low success rate, improvement of root canal file performance is a key aspect.Īs an important tool in the mechanical preparation step, the quality of mechanical preparation is directly influenced by the performance of root canal files, which should create a regular and smooth tapered structure to avoid significant deviation from the original shape and orientation of the canal.

ENDODONTIC FILES MANUAL

Secondly, the current imbalance in the doctor–patient ratio in dentistry requires reliance on the clinician's manual operation combined with extensive clinical experience, so it is difficult to improve preparatory technology in a short period. The solution to the first two problems will face great difficulties: for one, the root canal of a tooth is complex and variable, with a multidimensional curvature, as well as many finer branches, which are inherent factors and cannot be changed artificially. The structural complexity of root canals, unskillful preparation technique, and insufficient performance of root canal files are all factors that contribute to the low success rate of root canal therapy in practice. However, the success rate of endodontic treatment is lower than the theoretical success rate, as shown in the surveys of the past decades. Theoretically, the success rate of root canal therapy is between 83% and 97.1%. The aim is to prevent the occurrence of periapical disease or to promote the healing of periapical disease that has already occurred. The process of root canal therapy, i.e., mechanical preparation and chemical flushing to remove most of the infected material from the root canal, followed by root canal filling and crown sealing. Root canal therapy, also known as endodontic treatment, is a procedure in dentistry to treat necrotic pulp and root infections. Currently, the most effective treatment for endodontic and periapical diseases is root canal therapy. The cause of the disease is an invasion of bacteria into the pulp through periodontal or defective areas of teeth, causing infection, or through physical channels, causing pain, bleeding, or even necrosis of the pulp. Although it is very promising, the material of the files remains understudied, and further work is required to make material science a pervasive technology in root canal therapy, and contribute to endodontic and periapical diseases by assisting in the subsequent development of root canal files.Įndodontic and periapical diseases are the more common pathologies in dentistry. There is no perfect technology for all material/geometric design/additional functions, capable alone of fulfilling all the specificity and necessities of every patient. Finally, we identified promising research directions in advancing the methods for the improved performance of root canal files. The features and limitations of each method of root canal files were further discussed.

ENDODONTIC FILES SERIES

To understand this state of the art of different improved methods of root canal files, we conducted a literature analysis and a series of comparisons between different methods. In particular, three categories of improved methods were examined and compared, including material-based methods, geometry-based methods, and those based on additional functions. We provided a thorough review of advances in the field of root canal files.

Directly affects the quality of the root canal therapy. The performance of the root canal files, such as materials. The patent map classified the latest phase of the root canal files based on the analysis of the number of patents. Published work from 2010 to 2022 was collected and analyzed the relevant papers were chosen for inclusion in this review. Online databases (the Derwent Innovations Index) were consulted on this topic. The main improved methods of files and the most common technologies were further addressed, underlining their advantages and main limitations. The goal of this review is to present a detailed and comprehensive description of the published work from the past decade regarding methods of improved material, geometric design, and additional functions in root canal files.

Endodontic files