Amalgam phase down: baseline data preceding implementation in Nigeria.

Objective: The Minimata Convention on mercury includes amalgam phase-down and eventual phase-out from dentistry. To aid its subsequent evaluation it is important to have baseline data of amalgam use in a locality prior to implementing a phase-down.

Methodology: Records of patients spanning 5 years from January 2011 to January 2016 were analysed to determine and the compare frequency of amalgam usage with other dental materials for carious teeth restorations in a Nigerian university teaching hospital.

Frequency and distribution of teeth treated by single- and multiple- visit root canal treatment in a Nigerian population by differently skilled operators.

Background: Single visit root canal treatment (RCT) is being advocated around the world. This study profiles RCT in a Nigerian population and compares pattern of single versus multiple visit RCT to tooth type and skill level of the doctors.

Method: A retrospective study was carried out on RCT performed in one year by fresh graduates and postgraduate dentists.

Utilization of teeth replacement service among the elderly attending teaching hospitals in lagos, Nigeria.

Background: Tooth replacement service is generally available in our environment. However, its utilization by the elderly has not been extensively studied.

Aim: To determine the utilization of tooth replacement services among the elderly.

Evaluation of linear dimensional stability of various combinations of dental stone and plaster.

Background: It has been observed that due to the cheaper cost of dental plaster compared to dental stone, casts on which most of the dental prostheses and appliances were being fabricated in various laboratories were often mixtures of dental stone and dental plaster in order to reduce production cost.

Objective: To evaluate the dimensional stability of various combinations of Dental Stone and Dental Plaster mixtures used to make dental casts.

Methods: Alginate impressions of a master model of truncated metal cones were made and casts were produced by pouring with various combinations of dental stone and dental plaster mixtures.

Fixed bridge prostheses management of epileptic patients.

Background: Epileptic patients in the course of seizures may suffer damage to or loss of teeth and other oral tissues. Moreover, they are at great risk during their seizures from aspiration of foreign bodies such as removable dental prosthesis or fragments of prosthesis. It is therefore, necessary to provide them a tooth replacement option that would be safe and not constitute a source of danger in the course of seizures.