A teeth. e. The lingual frenulum did not

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Last updated: April 20, 2019

Atotal of 1500 schoolchildren were examined for the presence of ankyloglossia.The age group selected was 6 to 14 years.

An informed consent was obtained fromall the subjects/parents/teachers, who participated in this study. Children suffering from any disabilities or systemicdiseases were excluded from the study. Oral examination wasdone by a single examiner with the help of mouth mirror and periodontal probeunder natural light. The criteria which was used to categorize subjects ashaving a tongue-tie included the following (Kotlow, 1999): a.

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       Thetip of the tongue could not be protruded outside the mouth without clefting.b.      Thetip of the tongue could not sweep the upper and lower lips easily, withoutstraining.c.

       Adiastema was seen between the mandibular central incisors which were created bythe lingual frenulum.d.      Whenthe tongue was retruded, it blanched the tissue lingual to the anterior teeth.e.       The lingual frenulum did not allow a normalswallowing pattern.Thetongue-tie, if present was then graded according to the classification given byKotlow (Kotlow, 1999). The anatomical measurements were used to classify thetongue-tie which was carried out at the maximum opening of the mouth with thetip of the tongue touching the palatal papilla. According to Kotlow, the term”free-tongue” is defined as the length of tongue from the insertion of thelingual frenulum into the base of the tongue to the tip of the tongue.

Freetongue length was measured with the use of divider and scale in millimeter and thengraded into Grades 1 to 5 according to Kotlow’s classification (Kotlow, 1999): a.       Clinicallyacceptable, normal range of free tongue: greater than 16 mmb.      ClassI: Mild ankyloglossia: 12 to 16 mm c.       ClassII: Moderate ankyloglossia: 8 to 11 mm d.

      ClassIII: Severe ankyloglossia: 3 to 7 mm e.       ClassIV: Complete ankyloglossia: less than 3 mm 

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