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At least 361 records · Page 20Linked to original sources
PubMed1976

Localization of objects in the anterior areas with a single Panorex radiograph.

Impacted objects in the anterior dental region can be localized in a labial-palatal direction with a single Panorex film. Clark's rule is applied to the two views of the anterior area obtained. The technique is verified by means of a dry skull with lead markers in known positions, and two clinical cases are reported.

Adult↗
PubMed1976

Abnormal tooth tissue in human odontodysplasia.

The affected teeth in this case of odontodysplasia exhibited abnormal hypoplastic enamel, abnormal dentin containing extensive interglobular regions and completely lacking a peritubular matrix, and an abnormal irregular tissue consisting of highly calcified and partially fused granules located within the dentin of the tooth tips. Electron micrographs of the irregular tissue showed that the granules consisted of crystallites densely and radically packed in a noncollagenous amorphous matrix. Granules were surrounded by a slightly calcified, irregularly arranged, collagenous matrix. The irregular tissue formed in the pulp of the tooth tip befofe and independently of the dentin. It was at least partially formed by pulpal calcification. Abnormal dentin matrix was formed by odontoblasts which were less differentiated than normal. Odontodysplastic teeth showed abnormal differentiation of odontoblasts and ameloblasts resulting in defective enamel and dentin and, in extreme cases, in extensive pulpal calcification.

Child↗
PubMed1986

Conservative management of an impacted incisor.

There are several techniques available to the practitioner for the treatment of impacted, fully developed teeth. These techniques often involve surgical and/or orthodontic manipulation of the affected tooth. A more conservative approach was used in the case presented here, involving a boy who was 12 years 5 months old. An odontoma was surgically removed and the impacted tooth was allowed to erupt without the aid of external forces.

Child↗
PubMed2005

Dental team management for a patient with cleidocranial dysostosis.

Cleidocranial dysostosis is a rare autosomal condition that affects ossification. The dental abnormalities associated with it present a remarkable challenge in orthodontic treatment planning. Early diagnosis is extremely important to give the patient the best treatment options. Patients with cleidocranial dysostosis require a team approach with good communication and cooperation from the patient. Timing of the intervention is critical, and many surgeries might be required. The patient in this report was treated with a team effort that involved several dental specialties to achieve an optimal result.

Child↗
PubMed2006

Nonsurgical treatment of a patient with a Class III malocclusion.

A patient with a bilateral Class III molar relationship came to the Department of Orthodontics clinic at Case Western Reserve University. Our first choice for treatment was a combination of orthodontic therapy and orthognathic surgery. The patient, however, opted for a nonsurgical approach that took 34 months and involved the extraction of 4 first premolars and a remaining deciduous tooth, and Class III vertical elastics. Although orthodontic treatment was considered to be a second-line alternative, the results suggest that, for some surgical patients, orthodontic treatment alone might be a better choice because of the favorable cost/benefit ratio.

Adolescent↗
PubMedDate not supplied

The dental pathology of northern elephant seals (Mirounga angustirostris).

Skulls (n=104) of northern elephant seals from California were examined macroscopically. The animals varied in age but the numbers of each sex were roughly equal. The majority (86%) of teeth were available for examination. The mandibular first premolars were the most common teeth to be congenitally absent, with 2.3% missing. Supernumerary teeth (usually a supplemental mandibular molar) were associated with only 1.4% of normal teeth (or empty alveolar sockets). At least one persistent deciduous tooth was present in 38% of skulls, 70% of which were juvenile skulls. The majority (95.8%) of premolars had the type 2a tooth form, with only 3.8% and 0.5% of type 2b and 2c, respectively. Forty-six skulls, of which 43 were from adults, showed signs of attrition. Tooth fractures were uncommon, affecting only 33 teeth (1.2%). One skull showed an "incremental line" suggestive of enamel hypoplasia. Periodontal hard tissue lesions were seen in 44.3% of all teeth present (46.0% of skulls). Six cases of periapical disease with bone loss were observed.

Animal Diseases↗
PubMed1992

Beliefs about prematurely erupted teeth in rural Yoruba communities, Nigeria.

A descriptive study was carried out in two villages: Badeku and Olodo, near the city of Ibadan, between May and November 1990. The objective of the study was to investigate the knowledge, beliefs and attitudes of respondents to premature eruption of deciduous teeth in babies. Of the 622 people interviewed, a large proportion (30.5%) believed that the first deciduous tooth should erupt between the age of 5-7 months; the next commonly mentioned time of tooth eruption was 7-9 months of age; and 50.3% of the respondents claimed to have seen a case of prematurely erupted primary teeth. There was a statistically significant association between age and also between educational status of respondents and having seen premature eruption of teeth (P < 0.01). The majority of the people (53.7%) felt that the condition was an indication of an evil child. Only 22.1% of those interviewed thought it could be just an individual variation. On the recommended remedy or management of the condition, as many as 26 (4.1%) said they would get rid of the child. A high percentage felt that sacrifices should be offered to appease the gods. It is suggested that a transcultural approach be adopted in managing cases in which the parents feel particularly anxious and uncomfortable about prematurely erupted teeth in order to cater for the social well-being of the child and family. It is also recommended that appropriate health education be directed at the society as a whole concerning this condition.

Adult↗
PubMed1988

Use of oral and topical agents for acne in pregnancy.

Dermatologists frequently are consulted by a pregnant patient or a woman of childbearing age who desires acne therapy. Because there are no published studies in which women took acne medications throughout pregnancy, information about safety must be obtained indirectly from studies in which the agents were taken for another indication during some portion of pregnancy. Oral tetracycline is associated with maternal liver toxicity and deciduous tooth staining in the infant, and tetracycline occasionally has been associated with other congenital anomalies. Maternal isotretinoin ingestion is associated with major craniofacial and cardiac deformities, as well as other congenital anomalies. Erythromycin, however, appears to be safe. Topical acne medications never have been implicated as a cause of fetal deformities in human beings. Dermatologists should be aware of potential toxic and teratogenic effects of acne medicines before prescribing them to women of childbearing age. Prompt reporting of adverse effects is encouraged.

Abnormalities, Drug-Induced↗
PubMed1986

Oral surgery. Basic techniques.

Some of the clinical problems most frequently seen in veterinary dentistry and their surgical solutions are discussed. Extraction of teeth, surgical repositioning of teeth, tooth transplant, oral abscesses of tooth origin, impaction of teeth, repair of maxillary canine oronasal fistula, and simple techniques for oral wiring are among the issues considered.

Animals↗