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ORIGINAL RESEARCH
Year : 2021  |  Volume : 13  |  Issue : 5  |  Page : 456-461

Influence of short implant thread pitch and depth to primary stability on D4 bone density: A laboratory study


Department of Prosthodontics, Faculty of Dentistry, Universitas Padjadjaran, Bandung, Indonesia

Correspondence Address:
Mr. Evander Reinaldo
Department of Prosthodontics, Faculty of Dentistry, Universitas Padjadjaran, Jalan Sekeloa Selatan 1, Bandung, West Java.
Indonesia
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/JIOH.JIOH_82_21

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Aim: To determine the influence of short dental implant thread pitch and depth to primary stability on D4 bone density. Materials and Methods: Two short implants from BT Safe and Superline with different thread pitches and depths were used in this laboratory study and were divided into two groups. Artificial polyurethane (PU) bone block 0.32 g/cm3 was prepared, and each implant was inserted following manufacturer’s instruction. A Smartpeg was attached to each implant and transducer probe Osstell pointed stable to small magnet on the top of Smartpeg until beeping and the screen gave the implant stability quotient (ISQ) result. This procedure was repeated 20 times for every implant with four different 90o orientations or from buccal, lingual, mesial, and distal directions. The average ISQ value was calculated for statistical analysis. Data distributed normally and independent group t-test were performed to determine which group of short dental implants had better primary stability on D4 bone density. Results: Superline implant with shorter thread pitch and deeper thread depth has a final ISQ mean value of 65.9±0.76. BT Safe implant with longer pitch and shallow thread depth have a final ISQ mean value of 63.3±0.95. Conclusion: Shorter pitch and deeper thread depth have better primary stability of short dental implant on D4 bone density.


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