Abstract
BackgroundThe objective of this study was to use CBCT to look into the root canal morphology of maxillary premolars in a Saudi Arabian subpopulation and associate the results to existing canal morphology classifications.MethodsThe sample size for this analysis was 500 right and left untreated maxillary first and second premolars with fully formed roots from 250 Saudi residents (125 male and 125 female). The following observations were made using CBCT on the teeth related: (1) The number and morphology of roots; (2) The canal morphology for each root according to Vertucci's classification. The frequency and similarities between the right and left sides, as well as between females and males, were studied. The Chi-square test was used to assess the results.ResultsOf the 500 maxillary first premolars studied, 199 teeth had one root (39.8%), whilst 293 (58.6%) were two-rooted. Three-rooted maxillary first premolars were found in 8 (1.6%). For maxillary second premolars, 416 premolars had one root (83.2%), whilst 79 (15.8%) had two roots and the rest 5 (1.0%) were three roots. There were significant differences of number of root were found between groups (p > 0.05). For maxillary first premolar, Type IV was the most frequent, accounting for 57.8% of the sample (n = 289), followed by type II (32.8%, n = 164). For maxillary second premolar, Type I was mainly occurrence 302 (60.4%), followed by Type II (16.4%, n = 82).ConclusionsThe majority of maxillary first premolars had two roots and two root canals, while one root and one root canal was the most common anatomical configuration for maxillary second premolars. Additional canal forms do occur on occasion, and clinicians should pay close attention to them.
Highlights
The objective of this research was to use cone-beam computed tomography (CBCT) to look into the root canal morphology of maxillary premolars in a Saudi Arabian subpopulation and associate the results to existing canal morphology classifications
CBCT was used in this research to examine the root structure and root canal morphologies of maxillary premolars in a Saudi subpopulation
Because of its capability to test and measure root canal anatomy in three dimensions, CBCT is said to be a better method for noticing root canal morphology than conventional periapical radiography [37, 38]
Summary
The objective of this study was to use CBCT to look into the root canal morphology of maxillary premo‐ lars in a Saudi Arabian subpopulation and associate the results to existing canal morphology classifications. The science of root canal care is founded on the anatomy of the base tooth. Root apex is not the only field of endodontic research, but the concept of Failure to consider differences in root and canal morphologies is the most common cause of failed root canal care. Previous research has found that different populations have different patterns in the number and shape of roots and canals [2,3,4,5,6], which tend to be hereditarily determined [7,8,9] and are significant for locating population ethnic backgrounds. It is critical to be aware with the differences in tooth morphology and distinguishing structures among different ethnic groups, as this information can help with canal position and negotiation, as well as their subsequent management [10]. Root canals offer a number of configurations from tooth to tooth in different as well as the same individual during their course [14]
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