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A Comparative Evaluation of Condylar Guidance Value from Radiograph with Interocclusal Records made During Jaw Relation and Try-in: A Pilot Study

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The Journal of Indian Prosthodontic Society

Abstract

The purpose of this study was to evaluate the reliability of programming the articulator using the radiographs and the interocclusal records made during Jaw relation (Arrow point tracing) and Try-in stage. The study comprised of 15 edentulous subjects with well formed maxillary and mandibular ridges, with no signs and symptoms of temporomandibular joint disorders and neuromuscular disorders. Digital Orthopantomograph was taken for all the subjects. The condylar guidance angles were traced on Orthopantomograph for right and left sides and the values were recorded. The protrusive interocclusal records were made at jaw relation stage and at try-in stage using bite registration paste (Bitrex- vinyl polysiloxane) for all subjects. These interocclusal records were used to programme the Semi-adjustable articulator (Hanau Wide Vue) and the condylar guidance values on the right and left sides were recorded. The condylar guidance values so obtained were compared with the values obtained by Orthopantomograph. The condylar guidance values obtained by the various procedures were subjected to statistical analysis. The results showed statistically significant difference between the condylar guidance values obtained from Orthopantomograph (Radiograph) and the condylar guidance values obtained at the stage of jaw relation and also between Orthopantomograph and condylar guidance values obtained at the stage of Try-in. Condylar guidance values obtained from the Radiographs were higher than those obtained at the stage of Jaw relation and at the stage of Try-in. However, we notice that the mean condylar guidance values obtained at the stage of Try-in were nearer to the mean condylar guidance values obtained on the Radiographs.

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Authors and Affiliations

  1. Department of Prosthodontics, V. S. Dental College and Hospital, Bangalore, India

    Shilpa Shetty, C. L. Satish Babu, Deepti Tambake, G. P. Surendra Kumar & Abhishek T. Setpal

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  1. Shilpa Shetty
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  2. C. L. Satish Babu
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  3. Deepti Tambake
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  4. G. P. Surendra Kumar
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  5. Abhishek T. Setpal
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Correspondence to Deepti Tambake.

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Shetty, S., Satish Babu, C.L., Tambake, D. et al. A Comparative Evaluation of Condylar Guidance Value from Radiograph with Interocclusal Records made During Jaw Relation and Try-in: A Pilot Study. J Indian Prosthodont Soc 13, 321–326 (2013). https://doi.org/10.1007/s13191-013-0284-4

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  • DOI: https://doi.org/10.1007/s13191-013-0284-4

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