| Autor: |
Mohammad Ayed Al Qahtani, Mohammed Alrefaie, Abdulaziz Altamimi, Ibrahim Aljowyed, Majed Ayed Al Qahtani, Abdulaziz AlQahtani, Syed Rashid Habib |
| Jazyk: |
angličtina |
| Rok vydání: |
2019 |
| Předmět: |
|
| Zdroj: |
Saudi Dental Journal, Vol 31, Iss 4, Pp 451-456 (2019) |
| Druh dokumentu: |
article |
| ISSN: |
1013-9052 |
| DOI: |
10.1016/j.sdentj.2019.04.005 |
| Popis: |
Objective: The aim of this study was to investigate the influence of pre-preparation technique (finger smearing and saliva ejection) of alginate impressions on the quality and accuracy of dental casts. Materials and methods: Twenty mandibular impressions from 20 patients (10 males, 10 females) with an age range of 20–40 years were recorded using stock trays. A standard impression and pre-preparation technique for alginate were employed. This included removal of saliva with saliva ejector, smearing of alginate on occlusal surfaces of posterior teeth and smoothing of the material in the tray (Group-1: Test) and no drying and smearing or smoothing of the material prior to impression (Group-2: Control). Standardized disinfection, storage, pouring and removal from die stone techniques were used for all samples. Surface defects (nodules/blebs) on the occlusal surface of casts as examined with digital microscope, were classified according to their sizes and surface area into; Type-A (500 1000) in micrometers (μm). Data was tabulated and analyzed by SPSS using Anova and Tukey’s test. Results: Defects were significantly higher (p |
| Databáze: |
Directory of Open Access Journals |
| Externí odkaz: |
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