Temporary Restoration with Glass Ionomer (Equia Forte® - GC Corporation, Tokyo, Japan) for 30 days + Restoration in Composite Resin (Filtek® Resin Z350 XT - 3M Corporate Headquarters, St. Paul, USA).

Restoration with Composite Resin (Filtek® Resin Z350 XT - 3M Corporate Headquarters, St. Paul, United States).

Composite Resin Restoration (Filtek® Resin Z350 XT - 3M Corporate Headquarters, St. Paul, USA) + Application of Diode Laser.

For all groups, first the patients will be submitted to the anesthetic technique indicated with Lidocaine + Epinephrine 1: 100,000 (New DFL, Rio de Janeiro, Brazil), followed by absolute isolation with rubber sheet and metal clamp; then prophylaxis of the selected tooth will be performed with Robson's brush and pumice stone and water, surface washing and drying with cotton balls, removal of carious tissue or affected enamel without dentin support with sharp curettes or low-speed spherical drills. Subsequently, each group will follow the treatment protocols suggested by the manufacturer of restorative materials.

The main purpose will be the longevity of the desserts in elaborate compounds, according to the three protocols.

Images should be analyzed and scanned. Radiographic examination and digital radiography. After 6, 12 and 24 months.

After 1 week of treatment, 1, 12 and 24 months, the caregiver will be asked to respond about the satisfaction regarding the care (treatment and returns) received. He should classify his satisfaction using the VAS scale with indexes from 0 to 10, with 0 being the worst treatment evaluation and 10 being the best.

In order to assess the discomfort reported by the children in relation to the type of treatment received, the same timekeeping operator will apply the Wong-Baker Facial Scale to the patient, which is composed of six figures with equidistant faces. that the first one is very smiling and the expressions are changing, until the last one is very sad.

To assess the impact of MIH on children's quality of life, the Child Perceptions Questionnaire 8-10 (CPQ8-10), specially developed for children aged 8-10 years and validated in the Portuguese language. This scale was assessed through questions and answers to a children's quality of life.

For the assessment of anxiety in the study children, the Children's Fear Survey Schedule-Dental Subscale will be used

Information obtained through a socioeconomic questionnaire and questions related to the individual characteristics of the child, such as, for example, fluoride exposure variables, oral hygiene practices and eating habits.