08 August 2012
An immediate denture is a complete or removable partial denture that is constructed prior to the extraction of teeth which it will replace and is inserted immediately following the removal of natural teeth.
Classification of immediate denture
Conventional immediate denture
Delayed immediate denture
Transitional immediate denture
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08 August 2012 0
A malocclusion is a misalignment of teeth and incorrect relation between the teeth of the two dental arches. The term defined by Edward angel, the “Father of modern orthodontics.
Etiology of malocclusion
Graber’s classification
General factors
1. Heredity
2. Congenital
3. Environment
a) Prenatal (trauma,...
A fixed or removable orthodontic appliance for preserving the space created by the premature loss of one or more teeth. It can be unilateral or bilateral.
Space maintainers are appliance made of metal or plastic that is custom fit to your child’s mouth.
Primary teeth can be lost early for several reasons.
Accident or...
Mouth breathing refers to state of inhaling and exhaling through the mouth. Most normal people indulge in mouth breathing when they are under physical exertion such as during strenuous exercise or sports activity.
Classification of mouth breathers
Mouth breathers can be classified into 3 types:
Obstructive
Habitual
Anatomic
Obstructive:...
Tongue thrust (also called reverse swallow or immature swallow) is the common name of orofacial muscular imbalance a human behavioral pattern in which the tongue protrudes through the anterior incisiors during swallowing, speech and white the tongue is at rest.
CAUSES: According to Fletcher
Genetic factors- Hypertonic orbicularis...
It usually involves placing the thumb into the mouth and rhythmically repeating sucking contact for prolong duration. The presence of the habit is considered normal till the age of 3-4 years. Persistence of the habit beyond this age can lead to various malocclusions.
Causes:-
Freudian theory:
This theory was proposed by sigmond...
Pulpectomy the complete removal of a pulp from the pulp chamber and root canal. The pulpectomy procedure is also called partial root canal. Pulpectomy refers to a common endodontic procedure in which the dental pulp and root canal are completely removed. This procedure is done on primary teeth.
INDICATION
Inflammation extending beyond...
Pulpotomy as the complete removal of the coronal portion of the dental pulp followed by a placement of a suitable dressing or medicament that will promote healing and preserve vitality of the tooth.
The pulpotomy procedure involves removing the coronal pulp tissue that has undergone inflammation or degenerative changes and leaving...
Pit and fissure sealants are marketed in variety of formats; they can be filled, unfilled, tinted, clear or opaque. They may be polymerized in variety of ways.
The first generation of fissure sealants is ultraviolet light cure, the second generation is chemically cured (autopolymerised) and third generation is visible light cure. The...
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Baby bottle tooth decay also known as early childhood caries is a syndrome characterized by severe decay in the teeth of infants or young children. Baby bottle tooth caries is very common bacterial infection.
Causes and risk factors of baby bottle tooth decay:
This condition occurs when the baby’s teeth are exposed frequently and...
07 August 2012
Gold alloys contain gold, copper and other metals that results in a strong effective filling, crown or bridge.
Gold alloys are primarily used for inlays, onlays, crowns and fixed bridges.
There are two form of gold fillings, cast gold fillings(gold inlay and onlay) made with 14 or 18 kt gold and gold foil made with pure 24 kt gold.
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TYPES:
1.GOLD...
07 August 2012 0
Glass ionomer cement (GIC) is a dental restorative material used in dentistry for filling teeth and luting cements. These materials are based on silicate glass powder and polyalkenoic acid.
TYPES:
Glass ionomer are classified into five types.
1. Conventional glass ionomer cements.
2. Resin modified glass ionomer...
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Dental composite resins are types of synthetic resins which are used in dentistry as restorative material or adhesives.
Composite resins are most commonly composed of BISGMA (Bisphenol Glycidyl Methacrylate).
Now UDMA (urethane dimethacrylate) and TEGDMA (Triethylene glycol dimethacrylate) are also being used.
Fillers used are quartz,...
Dental amalgam is the most commonly used dental restorative material used for dental fillings.
Fillings made with amalgam are also known as silver fillings.
Amalgam consists of combination of metals, these include silver, mercury, tin, copper and small amounts of zinc, iridium or palladium with development of tooth colored materials...
DEFINITION:“The periodontal pocket defined as a pathological deepened gingival sulcus.” There is also a loss of bone and disorganization of periodontal ligament.
Pocketing is the end result of inflammation and infection that causes the loss of tissue attachment to the teeth, one common consequence of periodontal disease.
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GINGIVAL...
Abscesses of the periodontium are localized acute bacterial infections classified primarily based on location.
Types
There are four types of abscesses associated with the periodontal tissues:-
1. Gingival abscesses
2. Periodontal abscesses
3. Pericoronal abscesses
4. Combined periodontal/endodontic...
Definition: periodontitis is the most common type of periodontal disease and results from extention of the inflammatory process initiated in the gingival to supporting periodontal tissues.
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Etiology of periodontitis
dental plaque
Material Alba
Dental calculus
Microorganisms
food debris
poor oral hygiene
dental stains
Iatrogenic...
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