Oral health is an important component of general health and oral cavity acts as a mirror to the health of individuals and communities. Inadequate focus on primary prevention of oral diseases, poses a sizeable challenge for numerous countries, especially low and middle income countries.

Mobile phone technology is relatively new and its successes in chronic disease is well documented but there is little evidence available in its use for improving oral health and dietary habits of children.

This will be a Pilot Randomized Control Trial (RCT) . It will be conducted in public and private sector schools of Quetta city, Pakistan. Study will comprise of intervention and a control arm. Duration of intervention is 6 months.

In the intervention group, study participants will be the parents. School teachers will send oral health education and reminder messages on frequent intervals to educate children's parents on oral hygiene and reinforce their behaviors to improve their child oral health.

The primary school children in the control group will not receive any intervention

Oral health is a vital part of general health and oral cavity is considered as a mirror to the health of individuals and communities. Poor oral health has a great impact on general health and several oral conditions are found to be associated with heart and lung diseases, diabetes, low-birth-weight and premature births. Oral conditions also affect the quality of life through affecting speech, eating, education, facial appearance, confidence and social interaction.

Schools settings are important to reach children. School going age is considered as a receptive and influential phase in an individual's life during which lifelong health related behaviors, attitudes and beliefs are developed. Parents have great role in improving their children's oral health. They can influence their children oral health and behaviors and can provide a supportive environment to their children at home in terms of oral hygiene and diet and prevention of risk factors for oral diseases.

Mobile phone text messaging is a powerful tool for changing behaviors as these are common, available, low-cost, and quick.(30) Text messaging can be utilized in reducing the global burden of diseases by promoting healthy behaviors and supporting disease prevention

The main objective of this study is to assess the use of mobile phone (health) messages to Parents of public and private sector primary school children to improve their oral hygiene status

This study will be a Pilot Randomized Control Trial (RCT), comprising of two arms Intervention and Control arm.

In the intervention groups study participants will be the school teachers, parents and primary school children. School teachers will be provided messages (designed by Dental Public Health Professionals or adopted from other sources) through the researcher himself. The teachers will then form groups to send oral health education and reminder messages on frequent intervals to educate children's parents on oral hygiene and reinforce their behaviors to improve their child oral health. Parents will receive mobile phone messages about oral hygiene and healthy dieting of their children by the teachers. The message format will be text and images, depending upon the education/ literacy level of the parents. Parents will be reminded and information reinforced, at frequent intervals for a period of six months. School Children will be evaluated on their oral hygiene through gingival bleeding and plaque scores at the start of intervention, after three months and at the end of intervention i.e six months.

The primary school children in the control group will not receive any intervention via their parents or teachers (in-active controls) but will be observed on selected outcome measures for baseline data, then at 3 months and at six month interval to compare for differences (if any) with intervention group.

The total duration of this study is two years (2017 to 2018) including the intervention which will be of six months duration.

After six months of start of intervention; both the intervention group and the control group will be assessed and evaluated on the primary outcome i.e. Oral hygiene measured through "Oral Hygiene Index" which is a standardized index for assessing oral hygiene and recommended by World health Organization.

Inclusion Criteria:

• School children enrolled in primary schools (public and private) in Quetta city.
• Primary School children who are permanent residents of Quetta

Exclusion Criteria:

• Primary School children whose parents/caregivers do not own a mobile phone
• Primary School children having orthodontic or any other mouth appliance for example Braces etc.
• Primary School children who have been diagnosed for a systemic illness e.g. Blood disorders or, Diabetes
• Primary School children who are absent during the time of data collection