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ORIGINAL ARTICLE
Year : 2021  |  Volume : 11  |  Issue : 1  |  Page : 30-35

Three-dimensional linear and volumetric assessment of the maxillary sinus following posterior teeth extraction with implications for dental implant: A split mouth cross-sectional cone-beam computed tomographic study


1 Ceramco Dental Care, King Edward Memorial Hospital, Mumbai, Maharashtra, India
2 Department of Oral and Maxillofacial Radiology, Mahatma Gandhi Vidyamandir Dental College, Nashik, Maharashtra, India
3 Department of Dental Surgery, King Edward Memorial Hospital, Mumbai, Maharashtra, India
4 Department of Oral and Maxillofacial Radiology, SMBT Dental College, Sangamner, Maharashtra, India
5 Department of Oral and Maxillofacial Prosthodontics, SMBT Dental College, Sangamner, Maharashtra, India

Correspondence Address:
Dr. Ninad Milind Padhye
Ceramco Dental Care, Lokhandwala Complex, Andheri West, Mumbai - 400 056, Maharashtra
India
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/jdi.jdi_18_20

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Purpose: Maxillary sinus pneumatization is usually noted after posterior teeth extraction. The pneumatization occurs at the expense of the alveolar bone and may compromise the residual ridge dimensions for further procedures. This article aimed to assess three dimensionally the linear and volumetric changes of the maxillary sinus following posterior teeth extraction using a split mouth study design. Materials and Methods: Fifty cone-beam computed tomography (CBCT) scans with unilateral missing molar(s) or premolar(s) were assessed. Linear craniocaudal measurement from the orbital floor to the maxillary alveolar ridge was noted, and the sinus volume was measured using 3Diagnosys software (v3.1, 3Diemme, Cantu, Italy) and compared between the test and control side. Statistical analysis was performed using a paired Student's t-test. Results: Linear dimensions of the maxillary sinus increased from 33.12 (±3.99) mm on the control side to 33.34 (±3.95) mm on the test side (P = 0.0005). An increase in the volume from 13.78 (±2.55) ml to 13.99 (±2.61) ml was observed in the control and test side, respectively (P = 0.0002). Conclusion: A significant increase in sinus dimension and volume is seen after posterior teeth extraction. This may hinder further implant-supported rehabilitative procedures in this region.


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