Revascularization of Young Immature Permenant Teeth Using Different Types of Intra Canal Medication

Digital count of e.faecalis

Microbiological evaluation The number of E. faecalis will be digitally counted.

Time frame: After One week of mediation application

Clinical evaluation success will be assessed using following criteria of success according to scoring system Absence of : - Pain, - Soft tissue swelling - soft tissue inflammation - Sinus tract - tenderness to percussion - tooth mobility

Clincal success will be assessed using following criteria of success according to clinical scoring system Absence of : * Pain, * Soft tissue swelling * soft tissue inflammation * Sinus tract * tenderness to percussion * tooth mobility. Clinical score Clinical symptom Definition 1. asymptomatic Pathology: absent Normal functioning Mobility (physiological) ≤1mm 2. Slight discomfort, short-lived Pathology: questionable Percussion sensitivity Gingival inflammation (due to poor oral hygiene) Mobility (physiological) \> 1mm, but \<2mm 3. Minor discomfort, short-lived Pathology: initial changes present Gingival swelling (not due to poor oral hygiene) Mobility \> 2mm, but \< 3 mm 4. Major discomfort, long-lived extract immediately Pathology: late changes present Spontaneous pain Gingival swelling (not due to poor oral hygiene) Periodontal pocket formation(exudate) Sinus tract present Mobility ≥ 3mm Premature tooth loss, due to pathology

Time frame: After one week of mediation application