_1763201657 20251115101417000 Editor editor.jddt@gmail.com Universal Journal of Pharmaceutical Research Universal Journal of Pharmaceutical Research Univ J Pharm Res 2456-8058 2831-5235 11 15 2025 Mohammed Ahmed Qasem Ahmed Yaser Ahmed Salem Alrubaidi Yahya Abdullah Ahmed Alhadi Tagreed Ahmed Al-Kabsi Hassan Abdulwahab Al-Shamahy Background and aim: Because they provide a dependable way to replace lost teeth and restore both function and appearance, dental implants have completely transformed the profession of restorative dentistry. These artificial tooth roots, which are usually composed of titanium, are placed into the mandible to support crowns, bridges, or dentures. The study's objective was to assess the main stability of a short, deep-threaded dental implant in the posterior maxilla during the early healing phase. It focused on the correlation between the values of the implant stability quotient (ISQ) and insertion torque (IT). Methodology: A prospective clinical study was conducted on 20 patients requiring posterior maxillary implants. Short implants (Ø4 × 7 mm) were placed using the Megagen Any Ridge system. Primary stability was assessed by measuring IT at insertion and ISQ via resonance frequency analysis (RFA) at baseline and weekly for four weeks. Variables such as bone density, age, gender, and implant site distribution were also recorded. Results: Implants with moderate IT (26–35 Ncm) maintained stable ISQ values (50–65), suggesting optimal primary stability. Low IT (15–25 Ncm) implants showed gradual improvement in ISQ (from 45 to 64), whereas resulted high IT (36–45 Ncm in gradually decrease in ISQ (from 65-52). Bone density was predominantly D3 (50%) and D4 (40 %). No significant correlation was found between IT and ISQ over time (Spearman’s rho: 0.20–0.55, p> 0.05). Conclusion: Short, deep-threaded implants placed with moderate insertion torque provide optimal primary stability in the posterior maxilla. Excessive torque increases the risk of loose the stability. Regular ISQ monitoring is recommended during the healing phase to guide clinical decision-making.                   Peer Review History: Received 4 August 2025;   Reviewed 11 September 2025; Accepted 18 October; Available online 15 November 2025 Academic Editor: Prof. Dr. Gorkem Dulger, Duzce University, Turkey, gorkemdulger@yandex.com Reviewers: Dr. Kingsley C Anukam, University of Benin, Nigeria, kanukam@gmail.com Dr. Liliya Logoyda, Horbachevsky Ternopil State Medical University, Ukraine, logojda@tdmu.edu.ua 11 15 2025 http://creativecommons.org/licenses/by-nc/4.0 10.22270/ujpr.v10i5.1423 https://ujpronline.com/index.php/journal/article/view/1423 https://ujpronline.com/index.php/journal/article/download/1423/1989 https://ujpronline.com/index.php/journal/article/download/1423/1989 https://ujpronline.com/index.php/journal/article/download/1423/2002 https://ujpronline.com/index.php/journal/article/download/1423/2017