Phenotypes of painful TMD in discordant monozygotic twins according to a cognitive-behavioral-emotional model: a case-control study.

ABSTRACT:

Objectives

This case-control study aimed to investigate variables based on a cognitive-behavioral-emotional model related to the development of painful temporomandibular disorders (TMD) in a sample of monozygotic twins discordant for the condition.

Materials and methods

This case-control study investigated 20 monozygotic twins (10 pairs discordant for painful TMD), aged between 18 and 55. Participants were recruited through a comprehensive strategy following ethical approval, with inclusion criteria disseminated via social media, websites, local radio, messaging apps, and physical posters in public and healthcare spaces in Ribeirão Preto.The diagnosis of painful TMD was determined according to the Diagnostic Criteria for Temporomandibular Disorders - Brazilian Portuguese (DC

SUBMITTER: Magri LV 

PROVIDER: S-EPMC12005551 | biostudies-literature | 2025

REPOSITORIES: biostudies-literature