Background: Premature loss of primary teeth due to caries, trauma, or any other cause ultimately leads to undesirable movement of primary and/or permanent teeth resulting in arch length deficiency. Such a loss can produce or increase the severity of malocclusions with rotations, ectopic eruption, crowding, excessive overjet and overbite, unfavorable molar relationships, and crossbite. Pediatric dentist as a part of managing developing occlusion prefers the use of space maintainers to eliminate or decrease the severity of such malocclusions. Fixed space maintainers are usually indicated to maintain space created by unilateral/bilateral premature loss of primary teeth in either of the arches. Of the various fixed space maintainers, band and loop type is most frequently used. Even though it has high success rate and good patient compliance, there are disadvantages in its construction and longevity. Aim: In the present case series, we highlight ill effects of conventional band and loop space maintainers with appliance acting as plaque retentive causing gingival enlargement, mucosal overgrowth on the loop, band displacement causing blanching of gingiva, loop impingement on the mucosa causing ulceration, pain, and cement disintegration around the band. Conclusion: In the era of bondontics and with the advent of newer materials such as fiber-reinforced composite resin system (FRCR), now, it is the time to revolutionize the conventional band and loop space maintainers to overcome the disadvantages. Clinical Significance: FRCR as space maintainers are esthetic which is need of the hour in the present century, easy to clean, does not impinge on the soft tissue and with no laboratory procedure involved. Keywords:Conventional band and loop space maintainer, Fiber-reinforced composite resin system, Fixed space maintainer, Malocclusion, space maintenance Correspondence
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