Investigating paranasal sinuses developmental disorders and septum deviation angle effects on olfactory fossa depth using cone-beam computed tomography.

Background: The ethmoid roof separates the ethmoid cells from the anterior cranial fossa. From the medial side, the roof of the ethmoid is connected to the lateral lamella of the ethmoid plate, which is the thinnest bone at the base of the skull and is most vulnerable to damage during endoscopic surgeries. The purpose of this study is to investigate the height of the lateral lamella in patients with hypoplasia/aplasia of the paranasal sinuses and deviation of the nasal septum using reconstructed multiplanar images by cone-beam computed tomography (CBCT).

Bone dimensions relationship with gingival phenotype in smokers and nonsmokers using cone-beam computed tomography.

Background: This study aimed to assess the relationship of maxillary alveolar bone thickness (BT) and height (BH) with gingival phenotype (GP) in smokers and nonsmokers using cone-beam computed tomography (CBCT).

Methods: This cross-sectional study was conducted on 60 participants. The participants underwent periodontal examination, and their GP was determined by placing a periodontal probe in the gingival sulcus at the midline and observing the transparency.

Assessing Olfactory Fossa Depth and Its Relationship with the Variations in Adjacent Anatomical Structures by Using Cone Beam Computed Tomography (CBCT).

Unlabelled: This study aimed to investigate the olfactory fossa anatomy (Keros types) and its relationship with changes in adjacent anatomical structures using cone-beam computed tomography (CBCT). In this descriptive-analytical study, the paranasal CBCT of 120 healthy adults over 18 years of age were evaluated. The olfactory fossa depth on both sides and the degree of asymmetry on both sides were reported.

Prevalence and characteristics of ponticulus posticus and its association with cervicogenic headache and migraine: A lateral cephalometric study.

Background: Ponticulus posticus (PP) (arcuate foramen) is an abnormal bony bridge in the posterior arch of the atlas, which could possibly cause certain complications such as headache. Our goal was to assess the prevalence and size of PP on lateral cephalometric radiographs and its relationships with cervicogenic headache and migraine.

Materials And Methods: This cross-sectional study was a descriptive-analytical type and was performed in Isfahan Azad Dental University.

Effect of image compression of direct digital lateral cephalograms on the identification of cephalometric points.

Background: With increase of digital imaging, the need for storage space and transmission speed also increases. Compressed images need less storage space and decrease the transmission time. However, compression could compromise image quality.