August 2016 Shear Mouth constitutes a designation of Shear Mouth” “What and much can you correct in one procedure?” “How A very recent and thorough search of the literature describes the normal molar table angle to be anywhere between 12 and 45 degrees. Forty-five degrees or greater is generally considered by most authors to be classified as Mouth”. Many “Shear publications consider an angle of 15- 25 degrees as being normal with variations from rostral to caudal. It is also stated that this should not be changed during equilibration but few practitioners have a measuring device to attempt this verification. Dr Kunz does have such a device (refer to Matteo Pellachin IGFP presentation) but its Continuation of Shear Mouth accuracy would certainly be called in question in this case, due to the extreme irregularity of this dentition. The best attempt read 35 degrees but As in last month’s case, a painful condition on individual teeth appear to approach 45. In any case, the ipsilateral (same side) causes the horse to the dentition is locked with no lateral excursion and restrict mastication to the opposite arcades, in my experience, reduction should be quite liberal which were fairly normal but resulting in the until excursion is reestablished. very steep molar angle on the affected site and resulting in a total block. The original culprit was the deformed, rotated and abscessed 208 which must have precluded any use of the left side. As the post-surgical photos show, a major reduction of the molar table angle was accomplished in one procedure from a molar – table angle or 45 to 27 degrees. When the pack was changed on the fifth day, it was noted that the patient was already chewing on the left side and at the three month recheck, the chewing pattern was equal on both sides. A similar case
Shear Mouth “What constitutes a designation of Shear Mouth” and “How much can you correct in one procedure?” A very recent and thorough search of the literature describes the normal molar table angle to be anywhere between 12 and 45 degrees. Forty-five degrees or greater is generally considered by most authors to be classified as “Shear Mouth”. Many publications consider an angle of 15- 25 degrees as being normal with variations from rostral to caudal. It is also stated that this should not be changed during equilibration but few practitioners have a measuring device to attempt this verification. Dr Kunz does have such a device (refer to Matteo Pellachin IGFP presentation) but its accuracy would certainly be called in question in this case, due to the extreme irregularity of this dentition. The best attempt read 35 degrees but individual teeth appear to approach 45. In any case, the dentition is locked with no lateral excursion and in my experience, reduction should be quite liberal until excursion is reestablished. August 2016 Continuation of Shear Mouth As in last month’s case, a painful condition on the ipsilateral (same side) causes the horse to restrict mastication to the opposite arcades, which were fairly normal but resulting in the very steep molar angle on the affected site and resulting in a total block. The original culprit was the deformed, rotated and abscessed 208 which must have precluded any use of the left side. As the post-surgical photos show, a major reduction of the molar table angle was accomplished in one procedure – from a molar table angle or 45 to 27 degrees. When the pack was changed on the fifth day, it was noted that the patient was already chewing on the left side and at the three month recheck, the chewing pattern was equal on both sides. A similar case
Cases+Jan+16-Dec+16.docx