Anatomical preconditions for the palatal sinus floor augmentation—A three-dimensional feasibility study

Anatomical preconditions for the palatal sinus floor augmentation—A three-dimensional feasibility study

Abstract Objective The aim of this study was to evaluate the anatomical feasibility of palatal sinus floor augmentation. Material and methods In 100 men and 100 women, both sinuses were analyzed using computed tomography. The patients were divided into four anatomical groups according to the remaini...

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Bibliographic Details
Published in:Journal of cranio-maxillo-facial surgery Vol. 43; no. 7; pp. 1303 - 1308
Main Authors: Wagner, F, Dvorak, G, Pillerstorff, R, Traxler, H, Nemec, S, Pietschmann, P, Seemann, R
Format: Journal Article
Language:English
Published: Scotland Elsevier Ltd 01-09-2015
Subjects:
Aged
Alveolar bone atrophy
Alveolar Ridge Augmentation - methods
Bone Regeneration
Cross-Sectional Studies
Dental Implants
Dentistry
Feasibility Studies
Female
Humans
Male
Maxillary sinus
Preprosthetic oral surgical procedure
Retrospective Studies
Sinus floor augmentation
Sinus Floor Augmentation - methods
Surgery
Alveolar bone atrophy
Sinus floor augmentation
Preprosthetic oral surgical procedure
Dental implants
Bone regeneration
Maxillary sinus
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Summary:Abstract Objective The aim of this study was to evaluate the anatomical feasibility of palatal sinus floor augmentation. Material and methods In 100 men and 100 women, both sinuses were analyzed using computed tomography. The patients were divided into four anatomical groups according to the remaining alveolar bone height: group 1 (0 ≤ × < 4), group 2 (4 ≤ × < 8), group 3 (8 ≤ × < 12), and group 4 (≥12). Results The 400 maxillary sinuses consisted of 23.5% (n = 94) group 1, 42.75% (n = 171) group 2, 23.5% (n = 98) group 3, and 9.25% (n = 37) group 4 sinuses. Optimal anatomical preconditions for palatal sinus floor augmentations (i.e., ≥5 mm height and <5 mm thickness of the window lid) were found in 93.6% of group 1 sinuses, 73.7% of group 2 sinuses, 23.5% of group 3 sinuses, and 5.4% of group 4 sinuses. Conclusion The palatal approach is feasible in 93.6% of patients with remnant alveolar height of up to 4 mm. Limitations are alveolar heights of ≤5 mm as well as great palatal thickness and thus limited dimensions for a possible palatal window.
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ISSN:1010-5182
1878-4119
DOI:10.1016/j.jcms.2015.06.004