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348 567.75 TD
-0.0298 Tw ( ) Tj
-260.25 -8.25 TD /F3 10.8984 Tf
( ) Tj
0 -12.75 TD -0.1593 Tc 0.8795 Tw (Fig 7. A C) Tj
49.5 0 TD -0.2718 Tc 0 Tw (rack) Tj
19.5 0 TD -0.201 Tc 0.9213 Tw ( running mesio) Tj
70.5 0 TD 0.1208 Tc 0 Tw (-) Tj
3.75 0 TD -0.1095 Tc 0.5797 Tw (distally on a upper left first premolar.) Tj
174 0 TD -0.1799 Tc 0.4502 Tw ( This crack on further ) Tj
-317.25 -12 TD -0.0494 Tc -0.0741 Tw (examination turned out to be a class C crack.) Tj
214.5 0 TD 0 Tc -0.0298 Tw ( ) Tj
-214.5 -12.75 TD /F2 10.8984 Tf
( ) Tj
0 -11.25 TD /F1 10.8984 Tf
-0.0617 Tc 2.282 Tw (Differential diagnosis) Tj
111 0 TD /F2 10.8984 Tf
-0.0602 Tc 2.4055 Tw (: The crack will probably be ) Tj
151.5 0 TD -0.1222 Tc 3.0924 Tw (invisible to) Tj
52.5 0 TD -0.0774 Tc 2.5976 Tw ( the naked eye and ) Tj
-315 -13.5 TD -0.0638 Tc 1.5341 Tw (impossible to disclose with staining initially. T) Tj
222 0 TD -0.4345 Tc 0.4048 Tw (he ) Tj
15.75 0 TD /F3 10.8984 Tf
-0.0745 Tc 1.5447 Tw (cracked tooth) Tj
66 0 TD /F2 10.8984 Tf
-0.1436 Tc 1.4639 Tw ( may only exhibit acute ) Tj
-303.75 -11.25 TD -0.1338 Tc 1.2759 Tw (pain on chewing or sharp, brief pain to cold. The restorative history of the tooth, while ) Tj
0 -12 TD -0.1557 Tc 0.626 Tw (diagnostically helpful for ) Tj
117.75 0 TD /F3 10.8984 Tf
0.0031 Tc 0.7172 Tw (cusp fracture) Tj
63 0 TD /F2 10.8984 Tf
-0.1902 Tc 0.8033 Tw (, is not as helpful with cracked ) Tj
148.5 0 TD -0.1696 Tc 0.1399 Tw (tooth. ) Tj
30 0 TD -0.1602 Tc 0.1305 Tw (Restorations ) Tj
-359.25 -12.75 TD -0.1175 Tc 1.0877 Tw (can contribute to ) Tj
85.5 0 TD /F3 10.8984 Tf
0.1207 Tc -0.1504 Tw (cracked ) Tj
43.5 0 TD -0.1976 Tc 0 Tw (tooth) Tj
23.25 0 TD /F2 10.8984 Tf
-0.0298 Tc (,) Tj
2.25 0 TD 0 Tc -0.0298 Tw ( ) Tj
4.5 0 TD -0.0524 Tc 1.2227 Tw (and the crack may be evident across the cavity floor ) Tj
-159 -12 TD -0.1446 Tc 1.2398 Tw (after a ) Tj
36.75 0 TD -0.1233 Tc 2.3435 Tw (restoration is) Tj
63.75 0 TD 0 Tc -0.0298 Tw ( ) Tj
5.25 0 TD -0.2406 Tc 0.2108 Tw (removed. ) Tj
48 0 TD -0.128 Tc 0.0982 Tw (However, ) Tj
49.5 0 TD -0.1388 Tc 2.3591 Tw (unrestored teeth) Tj
79.5 0 TD -0.2177 Tc 2.0093 Tw ( that are free of caries and ) Tj
-282.75 -12.75 TD -0.1052 Tc 3.0754 Tw (teeth with conservative restorations) Tj
0 Tc -0.0298 Tw ( ) Tj
182.25 0 TD -0.033 Tc 3.0032 Tw (frequently experience) Tj
105.75 0 TD -0.0199 Tc 2.2401 Tw ( these cracks. Teeth with ) Tj
-288 -12 TD -0.0825 Tc 0.0527 Tw (class1 restorations crack as freq) Tj
153 0 TD -0.1172 Tc 0.0875 Tw (uently as those with class 2 restorations.) Tj
191.25 0 TD 0 Tc -0.0298 Tw ( ) Tj
-344.25 -12.75 TD ( ) Tj
0 -12 TD -0.1786 Tc 1.1488 Tw (If a crack can be detected, ) Tj
135 0 TD -0.2212 Tc 0.1914 Tw (gently ) Tj
32.25 0 TD -0.1645 Tc 1.218 Tw (test for movement of the segments to differentiate a ) Tj
-167.25 -12 TD /F3 10.8984 Tf
-0.0745 Tc 0.0447 Tw (cracked tooth) Tj
63.75 0 TD /F2 10.8984 Tf
-0.0213 Tc -0.0085 Tw ( from a ) Tj
36.75 0 TD /F3 10.8984 Tf
0.0126 Tc -0.0424 Tw (fractured cusp \(class A) Tj
111 0 TD 0.1208 Tc 0 Tw (\)) Tj
3.75 0 TD /F2 10.8984 Tf
0 Tc -0.0298 Tw ( ) Tj
3 0 TD -0.2952 Tc 0.2654 Tw (or split) Tj
30.75 0 TD /F3 10.8984 Tf
-0.0176 Tc -0.0121 Tw ( tooth \(class) Tj
58.5 0 TD 0 Tc -0.0298 Tw ( ) Tj
3 0 TD -0.3687 Tc 0 Tw (D) Tj
7.5 0 TD 0.1208 Tc (\)) Tj
3.75 0 TD /F2 10.8984 Tf
-0.0298 Tc (. ) Tj
6 0 TD -0.0387 Tc 0.0089 Tw (A fractured cusp ) Tj
81 0 TD 0.0306 Tc -0.0604 Tw (or ) Tj
-408.75 -12 TD -0.1061 Tc 0.8263 Tw (a sp) Tj
21 0 TD -0.1696 Tc 0.5148 Tw (lit tooth ) Tj
38.25 0 TD -0.1124 Tc 0.0826 Tw (may ) Tj
24 0 TD -0.1137 Tc 0.8339 Tw (break off unde) Tj
69 0 TD -0.0141 Tc 0.4843 Tw (r slight pressure ) Tj
82.5 0 TD -0.1075 Tc 0.8277 Tw (while the segments ) Tj
96.75 0 TD -0.1554 Tc 0.6257 Tw (of a cracked ) Tj
63 0 TD -0.1976 Tc 0 Tw (tooth) Tj
24 0 TD 0 Tc -0.0298 Tw ( ) Tj
-418.5 -12.75 TD -0.0756 Tc -0.2042 Tw (\(Class B or C\)) Tj
67.5 0 TD -0.0318 Tc 0.002 Tw ( will) Tj
17.25 0 TD -0.1606 Tc -0.1192 Tw ( remain in ) Tj
49.5 0 TD -0.0962 Tc 0.0664 Tw (place. ) Tj
31.5 0 TD 0 Tc -0.0298 Tw ( ) Tj
-165.75 -12 TD -0.0923 Tc 0.7292 Tw (Position of the crack may also help differentiate a ) Tj
243 0 TD /F3 10.8984 Tf
-0.0745 Tc 0.7947 Tw (cracked tooth) Tj
65.25 0 TD /F2 10.8984 Tf
-0.1713 Tc 0.3915 Tw ( from a ) Tj
38.25 0 TD /F3 10.8984 Tf
-0.0594 Tc 0.7797 Tw (fractured cusp) Tj
69 0 TD /F2 10.8984 Tf
-0.0298 Tc 0 Tw (. ) Tj
-415.5 -12.75 TD 0.0911 Tc (T) Tj
6.75 0 TD -0.0513 Tc 0.5215 Tw (ooth crack occurs more toward the cen) Tj
189 0 TD 0.0185 Tc 0.4517 Tw (tre of the occlusal surface as comp) Tj
170.25 0 TD -0.1495 Tc 0.8697 Tw (ared to) Tj
33.75 0 TD -0.0496 Tc 0.7698 Tw ( the ) Tj
-399.75 -12 TD /F3 10.8984 Tf
0.0031 Tc 2.2172 Tw (cusp fracture) Tj
64.5 0 TD -0.1868 Tc 2.532 Tw ( which is more peripheral in position) Tj
180.75 0 TD /F2 10.8984 Tf
-0.1172 Tc 2.2303 Tw (. More centered cracks tend to go ) Tj
-245.25 -12.75 TD -0.1545 Tc 0.1247 Tw (deeper ) Tj
36 0 TD -0.1506 Tc 0.1208 Tw (toward the) Tj
48.75 0 TD -0.1179 Tc 0.2757 Tw ( apex before completely ) Tj
116.25 0 TD 0.0115 Tc 0 Tw (separating) Tj
50.25 0 TD -0.0495 Tc -0.1303 Tw ( the tooth into two segments.) Tj
137.25 0 TD 0 Tc -0.0298 Tw ( ) Tj
-388.5 -11.25 TD -0.042 Tc 1.2395 Tw (If the crack has progressed to involve the pulp or periodontal ) Tj
306.75 0 TD 0 Tc 0 Tw (tissue,) Tj
31.5 0 TD -0.0667 Tc 1.162 Tw ( the pati) Tj
40.5 0 TD -0.081 Tc 0.8012 Tw (ent may ) Tj
-378.75 -12.75 TD -0.282 Tc 0.2522 Tw (have ) Tj
26.25 0 TD -0.1931 Tc 0.9133 Tw (thermal sensitivity that) Tj
105.75 0 TD 0 Tc -0.0298 Tw ( ) Tj
3.75 0 TD -0.117 Tc 0.8372 Tw (lingers after) Tj
56.25 0 TD -0.1366 Tc 0.5569 Tw ( removal of the stimulus or slight to very severe ) Tj
-192 -12 TD -0.1448 Tc 6.5317 Tw (spontaneous pain consistent with irreversible pulpitis, pulp necrosis, or apical) Tj
0 Tc -0.7798 Tw ( ) Tj
0 -12.75 TD -0.1142 Tc 0.0011 Tw (periodontitis. There may even be pulp necrosis with periradicular pathosis) Tj
347.25 0 TD -0.0298 Tc 0 Tw (.) Tj
3 0 TD 0 Tc -0.0298 Tw ( ) Tj
-350.25 -12 TD ( ) Tj
0 -11.25 TD /F1 10.8984 Tf
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58.5 0 TD -0.1159 Tc 0 Tw (planning:) Tj
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