Purpose: This in vitro study evaluated the cytotoxicity of resin cements with L929 fibroblasts. Materials and Methods: The resin cements, Super-Bond C&B, RelyX ARC, Clearfil Esthetic, specimens were prepared and extracted. The L929 cells were plated (25,000 cells/mL) and maintained. The medium was replaced with the resin extracts. Twelve specimens were used for each group. Cell viability was evaluated by 3-[4,5-dimethyl-thiazol-2-yl]-2,5-diphenyl-tetrazolium bromide (MTT) tests. The data were analyzed by one-way analysis of variance and Tukey honest significant difference tests. Results: Clearfil Esthetic had significantly higher decreasing effect on cell survival and growth (55.64 ± 8.26%), from the other resin cements and the control (P < 001). There are no differences between the survival rates of Super-Bond C&B (72.75 ± 12.33%) and RelyX ARC (62.63 ± 10.98%) (P > 05); however, each of them was cytotoxic when they compared with the control (P < 001). Conclusion: Differential toxic effects of resin-based cement on the pulp cells should be considered during the selection.

Aim: Gingival deflection techniques can be classified as mechanical, mechanochemical, surgical, or any combination. Comparative evaluations of gingival retraction systems are done rarely mainly because there is no consensus on the evaluation criteria. Therefore, this study aimed to evaluate the efficacy of three different gingival retraction systems, i.e., Magic Foam Cord, expasyl paste, and aluminium chloride-impregnated retraction cord. Materials and Methods: Following impressions, obtained casts were measured for gingival sulcus opening width under optical microscope (with imaging system software). The presence of bleeding after removal of material, ease of procedure, and patient's comfort were also evaluated. The data collected were tabulated and subjected to statistical analysis. Results and Conclusion: Evaluation of the clinical efficacy is relatively difficult because of the lack of appropriate measuring tool. In addition, choice of appropriate gingival retraction system is still a dilemma for the operator. Moreover, a particular clinical situation may indicate the specific technique.

Background: Removable partial denture (RPD) is a versatile, cost-effective, and reversible treatment method for replacing missing teeth in partially edentulous patients. It serves the purpose of improving patients' appearance, speech, mastication, confidence, and physchological well-being. Aims: Determining the patterns and reasons for demand of RPDs, including their relation to the socio-economic status among patients attending a teaching hospital dental center. Settings and Design: A retrospective study. Materials and Methods: Records of partial denture patients who attended the prosthetic dental clinic of the University College Hospital, Ibadan between January 2006 and December 2010 were retrieved. Information obtained included demographic data, occupation, and type of partial edentulous arch based on Kennedy classification. Statistical Analysis Used: Data were analyzed using SPSS version 20. Level of significance was set at P ≤ 0.05. Frequency and means were used for continuous variables, while Chi-square was used for categorical variables. Results: Nine hundred and sixty-three patients in the age range of 7-99 years and a mean of 45.1 ± 18.9 years were given RPDs during the period; 37% of the patients were young adults (21-40 years), 51.7% were male, and 31.9% were civil servants. Aesthetics was the main reason (60.2%) for seeking RPD and was statistically significant in relation to age group (P = 0.00). Majority [525 (54.5%)] demanded for maxillary RPD. There was increase in demand for both upper and lower dentures among the older age groups (P = 0.00). Majority (56.9%) of the dentures demanded were for Kennedy class III edentulous arches. Conclusions: Kennedy class III dentures were the highest in demand than any other class both in the maxilla and mandible, and the main reason for RPDs was aesthetics.

Ocular prosthesis is artificial replacement of the eye, while orbital prosthesis is replacement of entire content of the orbit. Replacement of the missing eye is not only important but also has to be immediate, as the psychological trauma associated with it is overcome better. This case presents a unique way of replacing the missing eye, where-in a combination of prefabricated eye and impression for customizing eye prosthesis was adopted.

This case report describes the combined use of fixed partial denture prosthesis (FPD) and removable partial denture (RPD) prosthesis for a patient with partially edentulous arches and few remaining teeth. The RPD was designed such that it would take advantage of benefits from milled palatal surfaces of the FPD to enhance stability and retention of the RPD and allow maitainance of oral hygiene.