Dentistry Flashcards
Brachyodont teeth
Found in humans, carnivores, and pigs.
Some characteristics are as follows:
Small, distinct crown
Well-developed roots
Singular apices
No continuous eruption (growth)
Hypsodont teeth
Found in horses, rodents, and lagomorphs.
Some characteristics are as follows:
Large crown beneath the gingival margin
Roots characterized by continued growth and eruption
Hypsodont teeth
Divided into two categories:
High crowned teeth, enamel above gum line
Radicular (cheek teeth of horses)
Aradicular (rabbits and rodents)
radicular teeth
The apices remain open for much of adult life, with later termination of continued growth. Occlusive wear is set off by eruption.
(Rodents and lagamorphs)
Aradicular
Also called elodent dentition
The teeth erupt continuously, which is offset by dental abrasion from chewing a high-fiber diet.
Types of teeth for dogs and cats
Incisors
Canines
Premolars
Molars
Incisors
The most rostral, for gnawing and grooming.
Canines
Distal to incisors and are long, for prehending (grabbing) and holding.
Premolars
Are also known as cheek teeth and are for shearing and grinding.
Molars
Like premolars, are known as cheek teeth and are for shearing and grinding.
Triadan System
A consistent means to number teeth across species.
100 series
Maxillary right quadrant teeth
200 series.
Maxillary left quadrant teeth
300 series.
Mandibular left quadrant teeth
400 series.
Mandibular right quadrant teeth
Malocclusion
Incorrect tooth and jaw alignment.
Can lead to discomfort due to tooth impact on soft tissue.
scissors bite
normal occlusion
extraoral exam
Structures of the head, neck, eyes, and ears are examined visually, palpated, and any abnormal odors are noted.
Intraoral Examination
Evaluation of the oral cavity soft tissue structures and teeth, including supporting structures (in other words, the periodontium).
The color and integrity of mucosal structures and gingiva are assessed. Also assessed are the hard and soft palates of the oral cavity.
Normal hard palate has
should have 8 to 10 rugae.
Incisive papilla
A normal, raised, round structure, appears at the midline of the hard palate.
Lateral to this structure is a small bilateral communication with the incisive duct and the vomeronasal organ.
vomeronasal organ
The vomeronasal organ is also known as the olfactory organ, or the Jacobson’s organ. It is an olfactory sense organ that is found in most animals. It is positioned at the base of the nasal cavity, within the roof of the mouth, and is separated into two parts by the nasal septum
shepherd’s hook
The most commonly used dental explorer in veterinary medicin
Dental radiography can asses for:
Root absorption
Caries
Root abscesses
Periodontal bone loss
Retained root tips
Unerupted teeth
Osteomyelitis
Neoplastic conditions
Fracture of teeth and jaw
Presence of foreign bodies
Temporomandibular joint disease
Caries
is damage to a tooth’s surface, or enamel
Osteomyelitis
Inflammation or swelling that occurs in the bone.
Three techniques are used for dental radiology:
Paralleling technique
Bisecting angle technique
Occlusal technique
Paralleling technique
Requires placing the sensor parallel to the tooth’s long axis. It’s used only for mandibular teeth caudal to the symphysis.
(1 of 3 dental radiology techniques)
Bisecting angle technique
projects the x-ray beam at a right angle to an imaginary line that bisects the angle formed by the tooth’s long axis and the plane of the sensor or film.(1 of 3 dental radiology techniques)
Occlusal technique
places the sensor on the occlusal plane and directs the beam perpendicular to the sensor. (one of three techniques)