Hamed, S., Shaaban, A., El-Dibany, R. (2020). THE EFFECT OF DEEP THREADS ON THE STABILITY OF DENTAL IMPLANTS IN POSTERIOR MAXILLA. test, 45(2), 67-73. doi: 10.21608/adjalexu.2020.88440
Sara Hamed; Ahmed M. Shaaban; Riham M. El-Dibany. "THE EFFECT OF DEEP THREADS ON THE STABILITY OF DENTAL IMPLANTS IN POSTERIOR MAXILLA". test, 45, 2, 2020, 67-73. doi: 10.21608/adjalexu.2020.88440
Hamed, S., Shaaban, A., El-Dibany, R. (2020). 'THE EFFECT OF DEEP THREADS ON THE STABILITY OF DENTAL IMPLANTS IN POSTERIOR MAXILLA', test, 45(2), pp. 67-73. doi: 10.21608/adjalexu.2020.88440
Hamed, S., Shaaban, A., El-Dibany, R. THE EFFECT OF DEEP THREADS ON THE STABILITY OF DENTAL IMPLANTS IN POSTERIOR MAXILLA. test, 2020; 45(2): 67-73. doi: 10.21608/adjalexu.2020.88440

THE EFFECT OF DEEP THREADS ON THE STABILITY OF DENTAL IMPLANTS IN POSTERIOR MAXILLA

Alexandria Dental Journal
Article 11, Volume 45, Issue 2, August 2020, Pages 67-73    PDF (259.18 K)
Document Type: Original Article
DOI: 10.21608/adjalexu.2020.88440
Authors
Sara Hamed* 1; Ahmed M. Shaaban2; Riham M. El-Dibany2
1Resident Oral and Maxillofacial at Surgery Department, Faculty of Dentistry, Alexandria University, Alexandria, Egypt.
2Professor of Oral and Maxillofacial Surgery, Faculty of Dentistry, Alexandria University, Alexandria, Egypt.
Abstract
Introduction: Stability of dental implant is a prerequisite for obtaining successful osseointegration especially in regions with cancellous bone as the posterior maxilla. Implant macrodesign affects the implant stability especially thread design. Dental implant with deep threads favours a better engagement with the cancellous bone and this results in high primary stability.
Objectives: The aim of this study was to evaluate clinically and radiographically the effect of implant thread depth on primary stability in low density bone.
Materials and Methods: A clinical study was performed on a total of ten patients with missing maxillary premolars and molars. The sample was selected conveniently to fulfill a list of inclusion and exclusion criteria. All implants were followed up 6 months. Clinically, each patient was evaluated for pain, tenderness or discomfort, presence of swelling or infection and mobility of the implant. Implant stability and assessment of osseointegration progress was conducted using the resonance frequency analysis technique (Osstell) immediately after implant placement, after four months and after 6 months.
Results: There was statistically significant increase in stability at 6th month postoperatively when compared with immediately measures (p=0.011).
Conclusions: The use of a newly developed implant with a specific macrodesign of knife threads geometry in posterior region of maxilla, showed high primary stability.
Keywords
Dental implants; posterior maxilla; knife threads; stability
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