Age is one of the basic variables, which assume a significant function in each part of life. Individual recognizable proof is a significant part of forensic medicine and dentistry. Age, sexual orientation, race, etc is utilized for distinguishing proof of an individual. Sequential age, as recorded by enrollment of birth date, is alluded all through a person's life. Age is a significant factor in clinical practice; examination and courtroom. Significant dental pieces of information once disregarded are progressively used to unravel the wrongdoing. Age is assessed based on ordered age and bone age, dental age, mental age, and others. Dental age is viewed as imperative as tooth advancement shows less changeability than other formative highlights and furthermore low fluctuation corresponding to sequential age. Thus, dental age is viewed as essential in building up the age of a person. Diverse morphological phases of mineralization relate with the distinctive formative stages. This paper audits different parts old enough assessment like morphological, biochemical, and radiographical strategies and its extension and constraint.