MANDIBULAR TRAY BORDER MOULDING.pptx
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The document describes how to properly mold a mandibular impression tray to capture different areas of the mandible and surrounding structures. It outlines techniques for passively and actively recording specific flanges and areas, including the labial flange, buccal flange, distobuccal area including masseteric notches, anterior lingual flange, middle portion of lingual flange, and distolingual flange. The goal is to accurately capture these areas by having the patient perform various movements like smiling, puckering, tongue protrusion, and lip wiping.
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This document discusses anatomical landmarks that are important for making impressions for complete dentures. It describes landmarks in the maxilla like the hard palate, rugae, maxillary tuberosity, incisive papilla, and fovea palatine which provide support or need relief. Limiting structures like the labial and buccal frenums are also outlined. For the mandible, supporting areas include the buccal shelf and residual ridge while the mylohyoid ridge and mental foramen require relief. The principles of impression making and objectives of obtaining retention, stability and support are reviewed. Techniques for primary impressions using compound or alginate are demonstrated.
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This document discusses orientation jaw relations and the use of a facebow to record maxillomandibular relations. It begins by defining maxillomandibular relations and records. It then classifies maxillomandibular relations into orientation, vertical, and horizontal relations. The main focus is on orientation relations, which establish the relationship of the maxilla to the cranium. A facebow is used to record the center of condylar rotation and an anterior reference point to establish a plane and transfer the maxillary orientation to an articulator. The document describes the parts and use of an arbitrary and kinematic facebow, including recording the orientation relation and transferring it to mount the maxillary cast. It concludes with the indications and
PHONETICS.pptx
This document discusses phonetics and speech production as it relates to prosthodontic considerations. It covers topics such as the classification of speech sounds, methods of speech analysis, and how to position teeth during denture fabrication to facilitate proper speech. The production of specific sounds like 's' and 'f' are examined in detail. The document emphasizes that the dentist should understand speech mechanics to avoid creating speech difficulties when providing dental treatments like complete dentures.
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This randomized controlled clinical trial evaluated the clinical, mechanical, and biological behavior of posterior 3-unit fixed partial dentures (FPDs) placed using either the biologically oriented preparation technique (BOPT) or a horizontal chamfer finishing line. Forty participants received a 3-unit zirconia FPD, with 20 in the BOPT group and 20 in the control group. Follow-ups at 1, 3, and 5 years found the BOPT group had lower plaque and gingival indices, smaller increases in pocket depth, and 100% marginal stability, while both groups had similar complication rates of around 15-20%. The study concluded posterior FPDs prepared with BOPT had good clinical responses over 5 years.
Contemporary all on 4.pdf
This document discusses the "All-on-4" concept for dental implant treatment. It begins by describing the original concept of placing 4 implants - 2 anterior straight implants and 2 posterior tilted implants - to support a full-arch fixed dental prosthesis. It then discusses how the concept has evolved over time, including variations such as placing zygomatic implants or using bone reduction techniques to allow for implant placement. The document emphasizes that strategic placement of implants coupled with rigid prosthetic design can provide adequate support for a full-arch prosthesis using only 4 implants.
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- 1. MANDIBULAR TRAY BORDER MOULDING LABIAL FLANGE BUCCAL FLANGE DISTOBUCCAL AREA INCLUDING MASSETERIC NOTCHES ANTERIOR LINGUAL FLANGE MIDDLE PORTION OF LINGUAL FLANGE DISTOLINGUAL FLANGE
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