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Vet Dentistry

What adverse effect does tetracycline have on developing dental structures? Discoloration
What adverse effect does fluorosis have on developing teeth? Hypocalcification-->weaker tooth
What is the most common sequela of tooth formation seen from inflammation, trauma, infection, systemic dz, and endocrine activity Hypocalcification
What are characteristics of hypocalcification? softer, discolored, chalky, pitted enamel surface
What are characteristics of enamel hypoplasia? Thin or reduced enamel layer on an area of a tooth either from reduced production or pressure on an enamel bud during development
How long does tooth eruption last? for the life of the patient unless ankylosed, impacted, cystic, or lost
What is the PRE-ERUPTIVE phase of tooth development? The dental germ must move as it develops to keep position in the developing jaws
What is the PRE-FUNCTIONAL phase of tooth eruption? Once the crown has formed and root formation begins
What is the FUNCTIONAL phase of tooth eruption? Initiates when a tooth comes into occlusion and ends when that tooth is ankylosed or lost or after the patient dies
What are 3 factors that influence the exfoliation of primary teeth? genetics, hormones, nutrition
What position are permanent teeth deflected to as they erupt if there is delay in exfoliation of primary teeth? What are the 2 exceptions to this? Lingual except Maxillary canines: mesial and maxillary carnassial: buccal
What imbalances can cause generalized retarded eruption? hypothyroidism, cretinism, hypogonadism, mongolism, hypopituitarism
What factors are generally involved with single tooth retarded eruption local factors
What is total anodontia? What is generally the cause? total absence of teeth due to failure in development Hereditary, may be associated with ectodermal dysplasia
What is a PRIMORDIAL cyst? Where the tooth germ develops but undergoes cystic degeneration prior to the apposition of enamel or dentin
What is a DENTIGEROUS cyst? the enamel organ undergoes cystic transformation at the stage of enamel and dentin apposition. Typically surrounds the crown of an incompletely formed or erupted tooth
What is an ODONTOMA? a mass of irregularly mixed mineralized tissues of enamel, dentin, and cementum
What is one factor that can result in shortened teeth? traumatic injury to the root areal resulting in ankylosis prior to full eruption
What is another factor that can result in a shortened tooth? traumatic impaction (i.e. base narrow mand. canines that make traumatic contact with the roof of the mouth
What is the ideal time frame for interceptive orthodontics of deciduous malocclusions? 4-8 weeks of age, 12 weeks max
What is WRY MOUTH? When one of the four jaw quadrants is grossly out of proportion to the others, causing a facial deviation from midline
What is the rule of dental succession? No successional and deciduous precursor teeth should be erupted simultaneously or in competition for the same dental arcade space at any time
What potential complications of deciduous tooth extraction must you warn the client of? Changes/damage to permanent teeth: enamel pitting or major structural defects
What is a primary palatal cleft? Failure to close at the junction of the incisal area with one or both of the maxillary processes
What is a secondary palatal cleft? Failure to close at midline behind the incisal area involving the hard and/or soft palate
What is BIRD TONGUE? Microglossia. Generally the first recognized manifestation of developmental abnormality that also affects the neural, musculoskeletal, and ocular tissues.
When is conventional orthodontic therapy ok to apply in young animals? when the teeth are fully erupted and the roots are well on their way to maturity
What are potential complications of premature orthodontic therapy? Reduced root structure due to either premature closure of the apex or resorption of root structure
What is the preferred endodontic therapy for an immature (open apex) vital tooth with pulp exposure? Vital pulpotomy
What is APEXOGENESIS? When endodontic therapy performed on a vital tooth w/open apex allows normal maturation and closure of the apex by maintaining vitality of the pulp
What is APEXIFICATION? When an immature permanent tooth with open apex loses vitality, placement of CaOH after cleaning the root canal stimulates apex closure
What are the goals of apexogenesis and apexification? to attain sufficient apical closure that will be firm enought to maintain an effective seal for eventual traditional root canal to allow sufficient root structure development to support crown function
What is the recommended tx for a horizontal root fracture in an immature permanent tooth? Fracture reduction and stablization (77% success in children)
What is the term for normal embryologic development of enamel? amelogenesis
How do primary palatal clefts develop? JVD Spring 2011 failure of fusion of the maxillary processes at the midline
How do secondary palatal clefts develop? JVD Spring 2011 when one or both of the maxillary processes fail to fuse with the nasal septum
What factors can cause palatal defects? JVD Spring 2011 metabolic disorders, antibiotics, corticosteroids, vit A, heredity
Created by: lamarron