title: Utility of trephine drills in implant dentistry.
abstract: BACKGROUND
  The aim of this technical note was to compare the primary stability and less bone drilling with the help of conventional and trephine drills.
  
  
  METHODS
  40 patients were divided into two groups (I & II) of 20 each and group I patients treated with conventional drills and group II with trephine drills. The patients who were reported to dental clinic and research centre between Jan 2011 to june 2011 and who required their teeth replacement with the help of dental implants were included in the study and patients with diabetes, Arthritis and smokers were excluded from the study.
  
  
  CONCLUSIONS
  Trephine drills provide better primary stability and good long term results.
authors.affiliation: Department of Trauma and Emergency Medicine, AIIMS, Bhopal, M.P India.
authors.forename: Anshul
authors.initials: A
authors.lastname: Rai
authors.affiliation: Department of Prosthodontics, Peoples Dental College, Bhopal, M.P India.
authors.forename: Surendra
authors.initials: S
authors.lastname: Agrawal
authors.affiliation: Datarkar Institute of Oral and Maxillofacial Surgery, Pratap Nagar, Nagpur, M.H India.
authors.forename: Abhay
authors.initials: A
authors.lastname: Datarkar
keywords: Bone preservation; Primary stability; Trephine drills