Objective: Its aim was threefold: (i) to determine the prevalence of caries in a group of patients attending to dental school, (ii) to determine the prevalence and severity of periodontal disease and (iii) to establish a relationship between the condition of patient’s oral health education and their oral status. Method: This present study was carried out at Conservative Department School of Dentistry faculty of Medical Sciences/ University of Sulaimani and consisted of 1000 adult patient 468 male and 532 females. The patients filled in a questionnaire and underwent a clinical and radiographic examination. The data was examined using the WHO’s criteria for dental caries as well as the routine clinical examination of periodontium. A treatment plan is a carefully sequenced series of services designed to eliminate or control etiologic factor. A patient attending for treatment of a restorative nature may present for a variety of reasons. The success is built upon careful history taking coupled with a logical progression to diagnosis of the problem that has been presented. Result: Among 1000 cases (831) patients exhibiting gingivitis while periodontitis present (144) among them and amount of plague and calculus detected was (801), existing filling (988 teeth) among 1000 patients while number of the missing teeth (616) and decayed teeth was 999 cases observed among all patients. Conclusion: In conclusion it can be said that the prevalence of dental caries was high, as was that of periodontal disease. However the severity of the periodontal disease was low and only a few patients required complex treatment.
