scholarly works
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Item Evaluation and Treatment of Failed Amalgam Restorations at Ibadan, Nigeria(2013) Ajayi, D.M.; Abiodun-Solanke,I.M.F; Arigbede, A.O.OBJECTIVE: Failure of tooth restoration is a major clinical problem of interest to patients, dentists and employers of labour. This study was designed to find out the average life span of amalgam as well as causes and management of failed amalgam restorations at the dental center, University College Hospital, Ibadan. The distribution of new caries in patients with this condition was also investigated. MATERIALS AND METHODS: This was an interventional study conducted among consenting patients who presented with failed amalgam restoration in our conservative clinic over a threo-yonr period. Oral examination was conducted to detect primary caries and causes of failure of the restoration. Bitewing radiograph was taken where necessary. The following data were recorded: socio-demographic variables of the patients and their complaints; life span of the failed restorations and the treatment given. Summary statistics was generated. RESULTS: One hundred and forty three patients (54 males, 89 females) presented with 198 defective restorations, Sixty five (45.5%) of thpse had 118 new carious lesions which were majorly occlusal cavities (66.9%). Fractured restoration was the commonest cause of failure. Management was variable, but replacement with amalgam was the commonest treatment. The average life span of restoration was 8.3years. CONCLUSION: The average life span of amalgam restoration was 8.3years and the major cause of failure was amalgam fracture. Replacement with amalgam was the commonest treatment. WAJM 2013; 32(4): 248-253.Item Perceived Health Effects of Dental Amalgam among Dentists in Selected South Western State of Nigeria(2015) Ajayi,D.M.,; Iwaola, M.O.; Abiodun-Solanke, I.F.Objective: To investigate the level of use of amalgam and perceived health effects of the material among selected dentists from southwestern state in Nigeria. Material & Methods: A descriptive study involving all consenting registered practicing dentists in both public and private health institution in 3 out of 6 southwestern states. Using a structured questionnaire, the information obtained included the socio-demographic characteristics of the respondents, frequency of use of amalgam, dentist's knowlfedge of the signs and symptoms of amalgam toxicity and perceived health effects of amalgam. The questions on amalgam toxicity were made up of 16 responses, with the score of one (1) given to a correctly answered question while zero was given to wrongly answered Results: The availability of amalgam was the most frequently (50.4%) mentioned reason for using the material, followed by the financial capability of the patient (24.4%) and the frequency of use was still much higher in tertiary hospitals. Majority (82.3%) agreed to the safety of amalgam, while 17(12.5%) perceived that amalgam was not safe out of which only two (11.8%) agreed to an outright ban of the material. Majority (88.9%) were aware of the controversy concerning the use of amalgam with undergraduate education being the commonest source of awareness as seen in 63.5%, followed by information from journals /textbooks (52.6%), colleagues (18.5%) , continuing dental education 17.8% and conferences 12.6% indicating more than one source of information in some people Conclusion: Dental amalgam is still perceived to be a safe restorative material in Nigeria. , ____'_____________________________________________________________________