Eligibility criteria
endo-perio, pulpitis, bone loss, loss of papillary height, tooth
PULPITIS, PATHOLOGY, BONE LOSS
The eligibility criteria of the enrolled participants were set as followsInclusion criteria of teeth were Cl I and Cl II loss of papillary height according to Nordland and Tarnow classification in maxillary anterior teeth and vital upper anterior teeth with no signs or symptoms of irreversible pulpitis eliminate the chance of development of any endo-perio lesion that may act as a cofounder in this trial. Exclusion criteria of teeth were Cl III loss of papillary height according to Nordland and Tarnow classification in maxillary teeth in esthetic zone, Cl I,II,III loss of papillary height according to Nordland and Tarnow classification in mandibular teeth in esthetic zone, periapical pathosis or signs of pulpal pathology, multiple spacing, presence of orthodontic appliances or devices, presence of diastemas, non-vital tooth, periodontal affection associated with horizontal bone loss or tooth indicated for extraction.