title: Comparative evaluation of the effect of chlorhexidine and Aloe barbadensis Miller (Aloe vera) on dentin stabilization using shear bond testing.
abstract: BACKGROUND
  The main objective of adhesive dentistry is to create an effective, durable union between the tooth structure and restorative material. However, degradation of adhesive dentine interface remains largely responsible for the relatively short lifetime of tooth colored resin restoration.
  
  
  OBJECTIVE
  The aim of the study is to compare the dentin collagen stabilization property of Chlorhexidine (CHX) and Aloe barbadensis Miller using shear bond strength testing.
  
  
  METHODS
  Occlusal reduction was done in sixty extracted human mandibular molars to expose the mid coronal dentin and divided into three groups n = 20. Following the surface pretreatment (Group 1 = control, Group 2 = CHX, Group 3 = Aloevera), dentine bonding agent and composite resin were applied and cured. The specimens were then subjected to shear bond strength testing.
  
  
  RESULTS
  From the results analyzed, it was noted that there was statistically significant difference between the groups Control and CHX and Control and A. barbadensis Miller (P < 0.05), specifically the values of Control < CHX and Control < A. barbadensis Miller (P < 0.05). However, there was no statistically significant difference between CHX and A. barbadensis Miller (P > 0.05). Hence, the following result for the shear bond strengths to dentin was obtained: Control < CHX ≈ A. barbadensis Miller.
  
  
  CONCLUSIONS
  CHX and A. barbadensis Miller, as pretreatment agents of acid demineralized dentin collagen, has no adverse effect on the immediate shear bond strength of a two-step etch and rinse adhesive to dentin.
authors.affiliation: Department of Conservative Dentistry and Endodontics, Kothiwal Dental College Research Centre and Hospital, Moradabad, Uttar Pradesh, India.
authors.forename: Dakshita Joy
authors.initials: DJ
authors.lastname: Sinha
authors.affiliation: Department of Conservative Dentistry and Endodontics, Kothiwal Dental College Research Centre and Hospital, Moradabad, Uttar Pradesh, India.
authors.forename: Natasha
authors.initials: N
authors.lastname: Jaiswal
authors.affiliation: Department of Conservative Dentistry and Endodontics, Kothiwal Dental College Research Centre and Hospital, Moradabad, Uttar Pradesh, India.
authors.forename: Agrima
authors.initials: A
authors.lastname: Vasudeva
authors.affiliation: Department of Conservative Dentistry and Endodontics, Kothiwal Dental College Research Centre and Hospital, Moradabad, Uttar Pradesh, India.
authors.forename: Paridhi
authors.initials: P
authors.lastname: Garg
authors.affiliation: Department of Conservative Dentistry and Endodontics, Kothiwal Dental College Research Centre and Hospital, Moradabad, Uttar Pradesh, India.
authors.forename: Shashi Prabha
authors.initials: SP
authors.lastname: Tyagi
authors.affiliation: Department of Conservative Dentistry and Endodontics, Kothiwal Dental College Research Centre and Hospital, Moradabad, Uttar Pradesh, India.
authors.forename: Priyanka
authors.initials: P
authors.lastname: Chandra
keywords: Collagen cross-linking agents; matrix metalloproteinases; shear bond testing