An In Vitro Study of Condylar Displacement Caused by Interocclusal Records: Influence of Recording Material, Storage Time, and Recording Technique

Journal of Prosthodontics : Official Journal of the American College of Prosthodontists
Muhamad GhazalM Kern

Abstract

To evaluate the condylar displacement after mounting working casts using different interocclusal recording materials and to analyze the influence of the storage time and the recording technique on the displacement caused by the interocclusal record. Eight interocclusal records were made in each of the following groups: G1: Aluwax (aluminum wax), G2: Beauty Pink wax (hydrocarbon wax compound), G3: Futar D Fast, G4: Futar Scan (G3, G4: vinylpolysiloxane), G5: Ramitec (polyether), G6: LuxaBite (composite resin based on bis-acryl), G7: LuxaBite corrected with Aluwax. A condylar-positioning indicator measured the condylar displacement in the three planes after storage of the records for two periods of 1 and 48 hours. Two-way ANOVA was used to determine the influences of recording materials and each of the following factors: (1) region (record and non-record side), (2) storage time, and (3) recording technique. The statistical significance level was set at p < 0.05. The vertical displacement caused by the interocclusal records in the record side after storage time of 1 hour ranged between 0.29 mm (Aluwax) and 0.14 mm (Futar Scan). The lateral displacement ranged between 0.13 mm (Aluwax) and 0.02 mm (Ramitec) while the anteroposterior...Continue Reading

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Citations

Mar 31, 2021·Journal of Prosthodontics : Official Journal of the American College of Prosthodontists·Mathew T KattadiyilStephen D Campbell

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