Background: the aim of this study was to evaluate the prevalence of retained primary teeth (RPT) and the most favorable treatment option from the patient point of view. Method: The study sample consist of 508 orthodontic patients, 367 females and 141 males with aged range from (7-35) years old, all patients where clinically examined and panoramic radiographs were recorded for them. Result and Conclusion: No significant differences were found in total prevalence of RPT between males and females, while a significant difference was found in relation between types of treatment of retained primary teeth with age. The total prevalence of RPT was 3.7% among orthodontic patients examined in this study. The most frequently RPT was the primary second molar. RPT found more frequently in the maxilla, the majority of the patient has one RPT but the female patients has a higher incidence of two or more RPT than males, the most favorable treatment option of RPT without a permanent successor is extraction and closing the space. How to Cite this Article Pubmed Style Hashim RS, Mohammed DR, Refaat MM. of Retained Primary Teeth without Permanent Successors among Orthodontic Patients in Basrah City/ Iraq. SRP. 2020; 11(10): 94-99. doi:10.31838/srp.2020.10.16 Web Style Hashim RS, Mohammed DR, Refaat MM. of Retained Primary Teeth without Permanent Successors among Orthodontic Patients in Basrah City/ Iraq. http://www.sysrevpharm.org/?mno=9690 [Access: March 29, 2021]. doi:10.31838/srp.2020.10.16 AMA (American Medical Association) Style Hashim RS, Mohammed DR, Refaat MM. of Retained Primary Teeth without Permanent Successors among Orthodontic Patients in Basrah City/ Iraq. SRP. 2020; 11(10): 94-99. doi:10.31838/srp.2020.10.16 Vancouver/ICMJE Style Hashim RS, Mohammed DR, Refaat MM. of Retained Primary Teeth without Permanent Successors among Orthodontic Patients in Basrah City/ Iraq. SRP. (2020), [cited March 29, 2021]; 11(10): 94-99. doi:10.31838/srp.2020.10.16 Harvard Style Hashim, R. S., Mohammed, . D. R. & Refaat, . M. M. (2020) of Retained Primary Teeth without Permanent Successors among Orthodontic Patients in Basrah City/ Iraq. SRP, 11 (10), 94-99. doi:10.31838/srp.2020.10.16 Turabian Style Hashim, Rawaa Saadoon, Dana R. Mohammed, and Majed Mohamed Refaat. 2020. of Retained Primary Teeth without Permanent Successors among Orthodontic Patients in Basrah City/ Reviews in Pharmacy, 11 (10), 94-99. doi:10.31838/srp.2020.10.16 Chicago Style Hashim, Rawaa Saadoon, Dana R. Mohammed, and Majed Mohamed Refaat. Prevalence of Retained Primary Teeth without Permanent Successors among Orthodontic Patients in Basrah City/ Iraq. Systematic Reviews in Pharmacy 11 (2020), 94-99. doi:10.31838/srp.2020.10.16 MLA (The Modern Language Association) Style Hashim, Rawaa Saadoon, Dana R. Mohammed, and Majed Mohamed Refaat. Prevalence of Retained Primary Teeth without Permanent Successors among Orthodontic Patients in Basrah City/ Iraq. Systematic Reviews in Pharmacy 11.10 (2020), 94-99. Print. doi:10.31838/srp.2020.10.16 APA (American Psychological Association) Style Hashim, R. S., Mohammed, . D. R. & Refaat, . M. M. (2020) of Retained Primary Teeth without Permanent Successors among Orthodontic Patients in Basrah City/ Reviews in Pharmacy, 11 (10), 94-99. doi:10.31838/srp.2020.10.16