1. INTRODUCTIONAs the number of patients who prefer to avoid the unaesthetic appearance of conventional orthodontic appliances continues to grow, so does the popularity of lingual fixed appliances.[1]With more examples of successful treatment being seen, dental practitioners will be more apt to refer patients to orthodontists proficient in this technique. However, patients wearing lingual appliances experience more pain, speech difficulties, and problems maintaining adequate oral hygiene[2], which may cause them to lose their patience in the technique. Moreover, lingual orthodontic treatment is a field that not all orthodontists can excel at. As a result, iatrogenic treatment outcomes are sometimes observed.Iatrogenic is described as a situation that leads to reversible or irreversible damage to patients who undergo any type of treatment. Iatrogenic usually occurs due to inaccurate growth prediction, incorrect choice of orthodontic appliances, technical failure by the dentist, poor patient cooperation, or lack of control of space and anchorage.[3] This is recognized in orthodontic publications mainly in terms of failures in patient compliance that result in poor treatment, no improvement, or damage. For this case, the patient has been wearing lingual brackets for 1,5 years with minimal improvement. We need to find an alternative solution that maintains a similar focus on aesthetics.Clear aligner in-house is an alternative approach to lingual orthodontics in cases where patients have high aesthetic demands. Indeed, the most obvious advantage of in-house aligner (IHA) is that it provides a more comfortable feeling than lingual orthodontics and does not cause tongue damage and tooth decay due to difficulty in oral hygiene. Moreover, there was no difference in the treatment duration with in-house aligners and fixed appliances.[4]This case report presents an approach using IHA to close space, correct midlines and canine relationships after treatment with lingual bracket therapy with minimal improvement in 1,5 years. The reasons for discontinuing lingual brackets treatment in this case include the poor quality of the previous lingual fixed appliance therapy, difficulty maintaining oral hygiene and discomfort, which led to the patient’s exhaustion with the treatment.