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Biomedical subjects

G Garattini

Publications and source records attributed to G Garattini.

32 records · Page 2Linked to original sources

[Infection control in orthodontics: infective agents and modality of transmission. 1].

Adequate attention to prevention of cross-contamination in dental operatory is largely ignored by orthodontists. This occurs for two principal reasons. The first one is that orthodontic patients, usually children, are erroneously considered a low-risk population. The second one is that orthodontic procedures are usually considered nontissue invasive and not able to produce contamination of staff, patients or instruments. Nevertheless, since 1972, we know that we can find HBsAg in saliva too and moreover we cannot exclude to see blood in the mouth of our patients during orthodontic procedures. Furthermore the high volume of patients that orthodontists see every day and the possibility to treat orthodontically adult patients, take the risk of cross-contamination in orthodontic at the same level of other dental practices. The aim of the Authors is to sensitize orthodontists to the risk of cross-contamination giving the latest data of prevalence of hepatitis, tuberculosis and AIDS in adolescent population.

Acquired Immunodeficiency Syndrome↗

[Agenesis of the upper lateral incisor: orthodontic therapy and replacement].

In this paper the Authors outline an uneven prevalence of superior lateral incisors agenesis. The treatment of this situation can be accomplished by various methods. It is possible to obtain the complete closure of dental spaces or maintain the physiological space. The Authors present four cases of young patients in which they decided to maintain orthodontically the space and to put them adhesive bridges.

Adolescent↗

[Ultrasonography assessment of ossification foci of the wrist and pubertal growth spurt].

High-resolution ultrasound (US) of the hand and wrist was compared with radiography in 26 young patients (mean age: 11.4 years) to be submitted to orthodontic therapy. US scans were targeted on the ossification centers critical for the growth spurt, namely the pisiform and adductor sesamoid bones of the metacarpophalangeal joint of the thumb and the cartilage of the distal phalanx of the third finger. All images were retrospectively reviewed on a double-blind basis by two independent observers who gave a conspicuity score to each structure of interest. All the scores were submitted to statistical analysis with the Wilcoxon test. US images clearly demonstrated the initial appearance of the ossification centers of the pisiform and sesamoid bones. These structures appeared as hyperechoic spots causing marked acoustic shadowing. The persistence of the phalangeal cartilage was depicted as a thin rim interrupting the hyperechoic cortical profile of the bone. US results were statistically equivalent to radiographic findings in the pisiform [p (op1) = .3105; p (op2) = .8886] and sesamoid bones of the thumb [p (op1) = .1386; p (op2) = .354]. A statistically significant difference between the two techniques was found in the third finger cartilage (p (op1) = .0277; p (op2) = .0759) because its profile was poorly depicted on some US images. To conclude, wrist US is proposed as a simple and valuable radiation-free support examination for the follow-up of skeletal maturation in adolescents to be submitted to orthodontic therapy.

Adolescent↗