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1.
J Oral Biol Craniofac Res ; 12(5): 505-511, 2022.
Article in English | MEDLINE | ID: mdl-35783918

ABSTRACT

Introduction: The purpose of this retrospective study was to determine the visibility, location and other morphometric features of lingual foramina on CBCT along with its age wise and gender wise correlation. Material and methods: A total of 250 patients were included in the study. Cross-sectional CBCT images of the mandible in the midline were used to locate and define each detected lingual foramen and canal. Descriptive statistics including tables and graphs were used. Genderwise and Age wise correlations were analyzed using Chi-square tests. Results: The number, direction, length, diameter, distance from alveolar crest and inferior borders of mandible were evaluated. Genderwise Lingual foramen was most frequently located in the mandibular midline, above genial tubercle (81.7%). Agewise it was found to be significant (p = 0.019). Genderwise length of canal was found to be significant (p = 0.022). Genderwise diameter of canal at midpoint was found to be very highly significant (p < 0.001) and at innermost point was found to significant. (p = 0.037) Genderwise and Agewise distance between orifice of canal and alveolar crest was found to be very highly significant. (p < 0.001) Genderwise and Agewise distance between innermost point of canal and alveolar crest was found to be highly significant (p = 0.001) and very highly significant (p < 0.001) respectively. Conclusion: Clinicians may consider CBCT for procedures with a risk of hemorrhagic and neurosensory complications such as dental implant placement in the anterior mandible.

2.
Ann Maxillofac Surg ; 11(1): 108-114, 2021.
Article in English | MEDLINE | ID: mdl-34522664

ABSTRACT

INTRODUCTION: Oral rehabilitation in maxillary anterior region has increased concerns in the dental fraternity to have detailed morphological examination in treatment planning. The nasopalatine canal (NPC) along with its contents plays an important role in determining the prognosis of implants and their associated surgeries. The present study was performed to evaluate morphometric anatomic variations of the NPC using focused small field of view on cone-beam computed tomography (CBCT). MATERIALS AND METHODS: The study included 250 participants. CBCT examination was conducted using standard exposure and patient positioning protocols. Sagittal, coronal, and axial sections were reviewed to determine NPC morphology and dimensions. RESULTS: Single, round, incisive foramen with mean mesiodistal diameter of 3.23 (±1.00) mm, and mean anteroposterior dimension of 3.03 (±0.96) mm was found. Single Stenson's foramen along with funnel shaped, slanted NPC with mean angulation of 81.97 (±42.19), and mean length of 12.67 (±2.69) mm was found. Mean mesiodistal diameter at nasal fossa of NPC was 3.27 (±1.75) mm, at mid-level was 2.23 (±1.02) mm, at palate was 3.46 (±1.12) mm. At least one additional foramen was found. DISCUSSION: Anatomy of the NPC is highly variable. Age-wise and gender-wise correlations revealed statistically significant results for different parameters. The present study highlighted significance of NPC along with its variations. Therefore, a methodical three-dimensional presurgical assessment is mandatory before any surgical intervention in this region.

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