Incidence of White Spot Lesions and Lower Incisor Proclination Among Patients Wearing Twin-Block Appliances With and Without Incisal Capping A Randomized Controlled Trial

INTERVENTION: Intervention1: Twin block appliance designs: Twin block with incisal capping and twin block without incisal capping Intervention2: Twin Block Designs: Twin Block With and Without Incisal Capping Control Intervention1: Two Twin Block Designs: Twin Block With Incisal Capping and Twin Block Without Incisal Capping CONDITION: Health Condition 1: Z768‐ Persons encountering health services in other specified circumstances PRIMARY OUTCOME: Incidence of white spot lesions and mandibular incisor proclinationTimepoint: 4 weeks SECONDARY OUTCOME: Timing of white of spot lesionsTimepoint: 4 weeks once INCLUSION CRITERIA: CVMI stage 3 and 4 Skeletal Class II due to mandibular retrusion Increased overjet equal to or more than 6 mm Indicated for Twin Block therapy as part of standard care Permanent mandibular incisors fully erupted, with no existing incisal edge caries or Demineralization Good baseline oral hygienr and no active untreated caries