American orthodontics Maurice Berman Prize 2005.
This paper describes the orthodontic treatment of two cases, which were awarded the 2005 Maurice Berman Prize.
Biomedical subjects
Publications and source records attributed to T M Hodge.
This paper describes the orthodontic treatment of two cases, which were awarded the 2005 Maurice Berman Prize.
Four methods of in-treatment replacement of missing incisors are described.
OBJECTIVE: To determine the accuracy of direct or indirect bracket placement. DESIGN: A prospective, randomized comparison of 2 different methods of bracket placement. SETTING: Queens Hospital, Burton upon Trent, UK between February and May 2001. MATERIALS AND METHOD: Twenty-six consecutive patients requiring upper and lower MBT trade mark pre-adjusted Edgewise appliances had their labial segments bonded directly or indirectly according to a split mouth system of allocation. Before and after bond-up all brackets were photographed and measured from tracings to determine positional differences from the ideal. RESULTS: Using ANOVA (General Linear Model), vertical errors were found to be greater than those in the horizontal plane, which in turn were greater than angular errors (p<0.05). Errors were greater in the maxillary arch than in the mandibular arch. There was no significant difference between the mean errors produced by the two methods of bracket placement. CONCLUSIONS: Mean bracket placement errors were similar with both techniques.
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There has been a resurgence of interest in the indirect bonding technique for orthodontics. The procedure is not often used in the UK and the reasons for this, as well as the renewal of interest, are explored. A costing exercise suggests that the cost-effectiveness of the technique may be improved by the described Burton technique and, in the light of current manpower considerations, the implications for its use in the future are also discussed.