Abstract
OBJECTIVE: To identify and compare the variations in the root and canal
morphology of maxillary first and second premolars in the local population.
METHODS: Maxillary premolars (n=210) were collected from local
population from six hospitals and clinics of two cities i.e. Peshawar and Kohat,
Pakistan. The demographics collected from the patients included linguistic
ethnicity and gender. External morphological parameters; length, root form,
mesial surface depression, were observed by the naked eye. These were then
observed under stereomicroscope to identify the internal root morphology
including canal form, lateral canals, and canal isthmi.
RESULTS: Common root form of first premolars was two rooted (70 %) while
second premolars were single rooted (81%). Mesial surface depression was
more common in first premolars (76%) than second premolars (36%)
p<0.001. In first premolars common canal configuration was Type IV (62%) and
type II (9.5%) while in second premolars type I (20%), II (35%), IV (11.4%) and
type VI (24.8%) configuration were commonly found. Lateral canals and canal
isthmi were a lesser common finding in both types of teeth.
CONCLUSION: Canal configuration of first premolars was most commonly
type IV while that of second premolar was type I, II, VI and IV in our population.
This indicates that second premolar has more diversity in canal configuration.
Aisha Sadaf, Zilli Huma, Sumaira Javed, Aasim Masood. (2019) MAXILLARY PREMOLAR TEETH: ROOT AND CANAL STEREOSCOPY, KHYBER MEDICAL UNIVERSITY JOURNAL, Volume 11, Issue 4.
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