Non-carious loss of dental hard tissues is a complex and multifactorial phenomenon that has seen a notable increase in prevalence in recent years. The causes can be categorized into chemical factors leading to erosion and mechanical factors causing attrition and abrasion. Precisely identifying individual etiological factors is crucial for implementing preventive and therapeutic measures. The rapid pace of changes in contemporary lifestyles and evolving dental trends necessitates a revision and update of our understanding of this issue. The lack of reliable and consistent assessment criteria, combined with the high subjectivity of traditional techniques, has led to insufficient control over the intensifying phenomenon.The dynamic development of the dental industry offers modern solutions, such as intraoral scanners, which are now commonly used by various specialists. This article addresses the most critical aspects of correctly diagnosing tooth wear, from its etiology to diagnostics, with a particular emphasis on orthodontic treatment and modern therapeutic methods, as well as technological innovations that cannot be overlooked today. Dentists are continually expanding their competencies and adopting innovations, making it essential to update therapeutic guidelines.