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Mandibular first premolar apical morphology: A stereomicroscopic study.

A new interesting article has been published in Aust Endod J. 2018 Nov 6. doi: 10.1111/aej.12313. [Epub ahead of print] and titled:

Mandibular first premolar apical morphology: A stereomicroscopic study.

Authors of this article are:

Awawdeh L, Abu Fadaleh M, Al-Qudah A.

A summary of the article is shown below:

The aim of this study was to investigate the size, shape and position of the physiological foramen and the relationship between the age and gender to the location and size of the apical foramen of mandibular first premolars. One hundred and one extracted human mandibular first premolar teeth were examined; age and gender of the patients were recorded. Apices of teeth were examined stereomicroscopically for number, size and shape of apical foramina; frequency and deviation of accessory foramina from the apex and the relation with age and gender. Sixty-four of the premolars had one foramen and 23% had two. The distances from the foramina openings to the apices ranged from 0.07 to 2.18 mm. In younger range irregular shape was dominant (41%), whilst in older range, round shape was dominant (45%). The shape of the apical foramen changed with age and the distance from the foramen to the anatomical apex increased with age.

Check out the article’s website on Pubmed for more information:



This article is a good source of information and a good way to become familiar with topics such as:

age;apical morphology;foramen width;mandibular first premolar

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