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MORPHOMETRIC ANALYSIS OF TOPOGRAPHIC VARIABILITY OF THE LEFT AND RIGHT MANDIBULAR CANALS IN CASE OF LOSS OF THE
Anatolii P Oshurko1, Ihor Yu Oliinyk1, Nataliia B Kuzniak1
1BUKOVINIAN STATE MEDICAL UNIVERSITY, CHERNIVTSI, UKRAINE.
Wiadomosci Lekarskie (Warsaw, Poland : 1960)
|May 6, 2022
Summary
Tooth loss causes bone atrophy, altering the position of the mandibular canals (MC). This study analyzed 136 scans to understand topographic variability in the mandible due to masticatory tooth loss.
Area of Science:
- Oral and Maxillofacial Surgery
- Dental Anatomy
- Radiographic Imaging
Background:
- Tooth loss leads to alveolar bone atrophy.
- Atrophy significantly impacts mandibular bone structure and morphology.
- Understanding mandibular canal topography is crucial for dental procedures.
Purpose of the Study:
- To investigate the topographic variability of the left and right mandibular canals.
- To assess changes in mandibular canal position due to bone atrophy from masticatory tooth loss.
Main Methods:
- Morphometric analysis of 136 digital scans (68 per side).
- Utilized Vatech PaX-i 3D Green radiography and Ez3D-I software.
- Measured mandibular canal positions relative to teeth 3.7, 3.6, 4.6, and 4.7.
Main Results:
- Alveolar bone exhibits significant atrophy and distance changes from the ridge.
- Mandibular canal position (topography) varies with bone loss.
- Mandibular base ridge shows consistent values despite canal variability.
Conclusions:
- Dental defects reduce biophysical stimulus on bone, causing atrophy.
- Bone volume loss and trabecular restructuring alter mandibular canal topography.
- Left and right mandibular canal positions are synchronously affected by tooth loss.
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