Waheed Murad Dahri, Aamir Mehmood Butt, Bilal Ahmed.
Relationship of Intercondylar Distance with Intercanine Distance in Dental Students.
J Pak Dent Assoc Jan ;21(3):141-4.

OBJECTIVE To see the relationship between intercondylar distance and themaxillary &mandibular intercanine distances in dental students. One hundred fully dentateBDS studentswith age ranging from21 to 25 years, free fromfacial and dental deformities were examined. Upper and lower arch impressionswere taken using stock trays. Dental cast were made using type IV dental stone. Vernier Caliper was used to measure the linear distances on the cast. Intercondylar distancewasmeasured using arbitrary face bow (Hanau-H2) at rest position. Forkwas attached to the teeth with silicone impression material. Hing axis marks were made 13 mm anterior to the upper border on the tragus canthus lines on both sides of the face .The mark was confirmed by placing the middle fingers of both hands over the marks & students were advised to open & close the jaw by 20mm, the tactile sensation of rotating condyle confirmed the hinge axis location.Every distancewasmeasured three times to ensure the accuracy andmean taken. RESULTS: The highest correlation was found between Maxillary Intercondylar Distance and Maxillary Intercanine Distance (r = 0·72, P=<0·0001) andMandibular Intercanine Distance (r = 0.309, p = 0.002). The mean intercondylar and maxillary intercanine distance was 1:4.41, while ratio between the mean intercondylar and mandibular intercanine distancewas 1: 6.42. CONCLUSION The observed relationship between the intercondylar and inter-canine distances could prove a useful guide for selection of teeth in edentulous patients.

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