Background: In today’s world of digital dentistry, dental photography plays an important role as multilevel significance and represents the synonym of contemporary dentistry. Thus, we aimed at evaluating the acquaintance of practice, opportunity and morals of dental photography in everyday practice among undergraduate dental students. Design and Methods: The current research was an observational cross-sectional study. Total 233 students participated; each was given questionnaire consisted of three parts covering the following aspects: questions 1 to 3 on the practice of dental photography, questions 4 to 7 on morals in dental photography and question 8 to 11 on opportunities of dental photography. The answers were tabulated and statistically analysed and association with the factors were tested for significance using Chi-square tests, and P<0.05 was considered statistically significant.Results: The total response rate was 86%. Among the 201 respondents, 100 were males and 101 females; 96% male students were taking photographs and 93% females were taking photographs, on regular basis. Phone cameras (41.3%) were the most commonly used device followed by DSLR cameras. Surveyed students mentioned patient education (53.2%) as most needed requirement for taking photographs, followed by treatment planning (49.8%) and monitoring of the treatment outcome (34.3%). Ninety-one percent of students feel that there is an opportunity for advancement in dental photography techniques. Conclusions: The participants aware of dental photography, but they require detail insight on proper capturing of photographs and morals, with regards to confidentiality of the patient and patient consent.
Objectives: To compare satisfaction levels of patients wearing maxillary completes denture fabricated by closed mouth and an open mouth impression techniques. Methods: This Comparative clinical study was conducted at the Department of Prosthodontics, Armed Forces Institute of Dentistry (AFID), Rawalpindi. Eighty-four edentulous patients were included in this study; the patients were randomly allocated into two groups. Group A patients were provided with dentures fabricated by closed mouth impression technique and Group B patients were provided with dentures fabricated by open mouth impression technique. The patient’s satisfaction level was assessed after six weeks of denture insertion with a questionnaire attached as Annex-A. Results: Out of 42 patients in group A, 12 were highly satisfied, 28 moderately satisfied and 2 poorly satisfied. In group B patients, 9 were highly satisfied, 25 moderately satisfied and 8 poorly satisfied. Retention was highest (81.0%) in patients of group A compared to group B (19%). Moderately satisfied patients were more significantly (p=0.04) more (69.0% in group A and 71.4% in group B) comfortable compared to highly satisfied (26.2% in group A and 19.0% in group B) and poorly satisfied (4.8% in group A and 19.5% in group B) in both groups. There was no statistically significant difference among patients in both groups when their satisfaction with their ability to chew with dentures was compared. Regarding satisfaction with speech ability more patients were moderately satisfied (28.6% in group A) compared to the number of patients (21.4%) in group B. Overall, 70.2% of moderately satisfied category showed significantly higher frequency of patients followed by 17.9% patients each lying in highly satisfied and poorly satisfied patients, categories. Clinical implication: Final impression in complete denture (CD) fabrication is very crucial step that can affect overall prognosis of CD treatment and therefore, patient satisfaction with CDs. A simplified closed mouth impression approach to complete denture treatment, omitting the border molding and definitive impression appointment, has been suggested as an alternative to the conventional open mouth approach. Conclusion: Dentures fabricated by closed mouth impression technique are more stable and functionally better compared to those constructed by open mouth impression technique. Keywords: Final impression technique, complete dentures, Retention, Comfort, Speech ability, Patient Satisfaction
Background: Many new extended-pour irreversible hydrocolloid impression materials have been marketed with claims that they demonstrate enhanced surface details accuracy and dimensional stability for up to 120 hours of storage. However, no data in the literature about the effect of storage time on surface details and dimensional stability of extended-pour impression materials upon disinfection. In this study we aimed to evaluate the effect of two chemical disinfection methods and three storage times on dimensional stability and surface details reproduction of 2 extended-pour alginates in comparison with a conventional one.Methods: A total of 243 alginate impressions were recorded from a custom metal die using Tropicalgin (conventional), Hydrogum5 and Chroma print (extended-pour) alginates. Impressions were categorized into 9 groups according to disinfection method (non-disinfected, sprayed or immersed) and storage time (0, 72, 120 hours). After storage in sealed plastic bag with a damp cotton roll, all impressions were poured with type IV dental stone. The stone models were then examined for surface details and dimensions using a magnifier (×10) and digital caliper to assess whether a 25 µm-line on the metal die was completely reproduced over the full 25 mm length and its dimensions compared to the original die. Data were analyzed using one-way (ANOVA) and Tuckey’s post-hoc test, and KrusKal Wallis test and Mann-Whitney's test.Results: With immediate pouring all alginates showed accurate surface details regardless of the disinfection condition, except for immersed Tropicalgin (P<0.05). The extended storage affected surface details of all materials. After 72h, only non-disinfected extended-pour alginates showed dimensional stability. However, after 120h of storage all materials regained dimensional stability except sprayed Tropicalgin.ConclusionsExtended-pour alginates hardly proved to be more advantageous than traditional alginate in terms of surface details accuracy. Disinfection methods had some adverse effects on surface details and dimensional accuracy of both extended-pour and conventional alginate. Extended-pour alginate proved dimensional stability after 120h. It is recommended to immediately pour all alginates whether conventional or extended-pour. Further studies are needed to evaluate impression materials directly to control the confounding variable like gypsum expansion and storage environment in terms of humidity and temperature.
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