Demineralization of teeth in mouth-breathing patients undergoing maxillary expansion.

Unlabelled: Mouth breathing may cause deformities on the dental arch and be a risk factor for caries and periodontal disease; fixed orthodontic appliances compound the problem.

Aim: to evaluate mineralization of tooth enamel and the oral cariogenic microbiota of mouth breathers that are using maxillary expanders.

Material And Method: a prospective study of 20 mouth-breathing patients with maxillary atresia, aged from 09 to 13 years.

Laser therapy in the treatment of dentine hypersensitivity.

Cervical dentine hypersensitivity is the most frequent complaint among reported odontalgias. Thus, this study evaluated the effectiveness of two types of lasers (660 nm wavelength red, and 830 nm wavelength infrared) as dentine desensitizers, as well as both the immediate and late therapeutic effects in individuals 25 to 45 years of age. A total of 40 teeth with cervical exposure were treated in 4 sessions.