Archive for April, 2012

Final Impressions for Complete Dentures

Final Impressions for Complete Dentures For final impressions for Complete Dentures required materials are : Impression Materials Irreversible hydrocolloid – hydrophilic, but viscous; stock tray distorts vestibular tissues Zinc oxide and eugenol – fast set, rigid (undercuts difficult), poor taste Polysulfides – poor taste, poor dimensional stability, poor elastic recovery Silicones – addition reaction – […]

April 21, 2012 | 0 Comments More

Beading and Boxing

Beading and Boxing Beading and Boxing is the procedure which is used to maintain the adequate sulcus depth in the final model. Beading is done to preserve the  width and height of the sulcus in a cast. Beading – 2-3 mm width strip of boxing wax if not available modeling wax is used. Boxing is […]

April 21, 2012 | 0 Comments More

Border Molding

Border Molding Border Molding means shaping borders of impression tray  Functional or manual manipulation of tissues  Duplicates contour & size of vestibule Performed with Thermoplastic modeling compound Waxes Impression materials Tray Wax Spacer Remains in place during border molding procedures Custom Tray Comfortable 2-3 mm from vestibule Dry periphery of tray (Compound will not stick […]

April 20, 2012 | 1 Comment More

Frontal Bone

Frontal Bone The frontal bone is a single bone that forms the anterior of the cranial vault, the roof of the eye sockets, and a small portion of the nasal cavity. A temporal line can be found on both lateral surfaces of the frontal bone. The line begins in the region of the eye socket […]

April 19, 2012 | 0 Comments More

Cranial and Facial Bones of Primary Interest in Prosthetic Dentistry

Cranial and Facial Bones of Primary Interest in Prosthetic Dentistry Artificial replacements for missing natural teeth (dental prostheses) must be made to fit jaw contours and work in harmony with muscle activity. Therefore, we will discuss only those facial bones which give shape to soft tissues within the mouth, serve as anchorage sites for muscles […]

April 19, 2012 | 0 Comments More

Bones of the skull – Bony Anatomy of the Head

Bones of the skull – Bony Anatomy of the Head The skull is that portion of the human skeleton which makes up the bony frame work of the head. For descriptive purposes, the skull is divided into an upper, dome-shaped, cranial portion; and a lower or facial portion composed of the eye sockets, nasal cavities, […]

April 18, 2012 | 0 Comments More

Oral anatomy terminology – Part 1

Oral anatomy terminology – Part 1 Bony Elevations Tubercle, Eminence, or Tuberosity. All of these words describe rather small, somewhat circular areas that are raised above the general level of the surrounding bone. An elevation of bone that falls in this category was specifically labeled as an eminence, a tuberosity, or a tubercle by the […]

April 18, 2012 | 0 Comments More

Diagnostic aids for pulpal pathology

Diagnostic aids for pulpal pathology Diagnostic aids for pulpal pathology can be divided in to 2 sections: Subjective symptoms – most common being pain Objective symptoms Visual and tectile inspection- Color Contour Consistency Thermal tests Heat tests- isolation of the tooth use of : warm air hot water hot burnisher hot gutta-percha stick cold tests […]

April 17, 2012 | 0 Comments More

Classification of pulpal pathology

Classification of pulpal pathology Engel’s classification of pulpal pathology 1.Inflammatory changes: A. Hyperactive pulpalgia -Hypersensitivity -Hyperemia B. acute pulpagia -Incipient -Moderate -Advanced C. chronic pulpagia D. hyperplastic pulpitis E. pulp necrosis 2. retrogressive changes A. atrophic pulposis B. calcific pulposis   Grossman’s clinical classification Pulpitis Reversible -Symptomatic(acute) -Asymptomatic (chronic) Irreversible pulpitis -Acute -Chronic 2. Pulp […]

April 17, 2012 | 0 Comments More

Chronic Pulpalgia : Diagnosis and Treatment

Chronic Pulpalgia : Diagnosis and Treatment Chronic pulpalgia is completely irreversible.Patients complains about discomfort for weeks or even years, suppressing the pain with analgesics. Chronic pulpalgia often refers to other teeth or the opposing arch. Pain may be precipitated by biting down on an open cavity. Cold has little effect, but heat may increase the […]

April 17, 2012 | 0 Comments More
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